Regulation No 44 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of restraining devices for child occupants of power driven vehicles ( child restraint systems )
Date: 2005-12-16
Institutions: United Nations Economic Commission for Europe
Subjects: Ecosoc, approval, child, motor vehicle, safety device, technical regulations, vehicle parts

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Regulation No 44 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform
provisions concerning the approval of restraining devices for child occupants of power driven vehicles
(‘child restraint systems’)

1.

1.1.

SCOPE

This Regulation applies to child restraint systems which are suitable for installation in power-
driven vehicles having three or more wheels, and which are not intended for use with folding
(tip-up) or with side-facing seats.

2.

DEFINITIONS

For the purpose of this Regulation:

2.1.

Child restraint system (restraint) means an arrangement of components which may comprise the
combination of straps or flexible components with a securing buckle, adjusting devices,
attachments and in some cases a supplementary device as a carry-cot,
infant carrier, a
supplementary chair and/or an impact shield, capable of being anchored to a power-driven
vehicle. It is so designed as to diminish the risk of injury to the wearer, in the event of a collision
or of abrupt deceleration of the vehicle, by limiting the mobility of the wearer’s body.

2.1.1.

Child restraints fall into five ‘mass groups’:

2.1.1.1.

group 0 for children of a mass less than 10 kg;

2.1.1.2.

group 0+ for children of a mass less than 13 kg;

2.1.1.3.

group I for children of mass from 9 kg to 18 kg;

2.1.1.4.

group II for children of mass from 15 kg to 25 kg;

2.1.1.5.

group III for children of mass from 22 kg to 36 kg.

2.1.2.

Child restraints fall into four ‘categories’:

2.1.2.1.

2.1.2.2.

a ‘universal’ category for use as specified in paragraphs 6.1.1 and 6.1.3.1 on most vehicle seat
positions, and in particular those which have been assessed according to Annex 13 — Appen-
dix 2 of the Consolidated Resolution on the Construction of Vehicles (R.E.3) as being compat-
ible with such a category of child restraint;

a ‘restricted’ category for use as specified in paragraphs 6.1.1 and 6.1.3.1 in designated seat posi-
tions for particular vehicle types as indicated by either the child restraint manufacturer or the
vehicle manufacturer:

2.1.2.3.

a ‘semi-universal’ category for use as specified in paragraphs 6.1.1 and 6.1.3.2;

2.1.2.4.

a ‘specific vehicle’ category for use either;

2.1.2.4.1.

on specific vehicle types, in accordance with paragraphs 6.1.2 and 6.1.3.3; or

2.1.2.4.2.

as a ‘built in’ child restraint.

2.1.3.

Child restraint systems may be of two classes:

an integral class comprising a combination of straps or flexible components with a securing
buckle, adjusting device, attachments, and in some cases a supplementary chair and/or impact
shield, capable of being anchored by means of its own integral strap or straps;

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a non-integral class that may comprise a partial restraint, which, when used in conjunction with
an adult belt, which passes around the body of the child or restrains the device in which the
child is placed, forms a complete child restraint system;

2.1.3.1.

‘partial restraint’ means a device, such as a booster cushion, which, when used in conjunction
with an adult seat belt, which passes around the body of the child or restrains the device in
which the child is placed, forms a complete child restraint system;

2.1.3.2.

‘booster cushion’ means a firm cushion, which can be used with an adult seat belt;

2.1.3.3.

2.2.

2.3.

2.4.

2.4.1.

‘guide strap’ means a strap which constrains the shoulder strap of the adult seat belt in a posi-
tion to suit the child and where the effective position at which the shoulder strap changes direc-
tion can be adjusted by means of a device which can be moved up and down the strap to locate
the wearer’s shoulder, and then locked into that position. This guide strap is not meant to carry
a significant part of the dynamic load.

‘Child-safety chair’ means a child restraint incorporating a chair in which the child is held.

‘Belt’ means a child restraint comprising a combination of straps with a securing buckle, adjust-
ing devices and attachments;

‘Chair’ means a structure which is a constituent part of the child restraint and is intended to
accommodate a child in a seated position;

‘carry cot’ means a restraint system intended to accommodate and restrain the child in a supine
or prone position with the child’s spine perpendicular to the median longitudinal plane of the
vehicle. It is so designed as to distribute the restraining forces over the child’s head and body
excluding its limbs in the event of a collision;

2.4.2.

‘carry cot restraint’ means a device used to restrain a carrycot to the structure of the vehicle;

2.4.3.

2.5.

2.6.

2.7.

‘infant carrier’ means a restraint system intended to accommodate the child in a rearward-facing
semi-recumbent position. It is so designed as to distribute the restraining forces over the child’s
head and body excluding its limbs in the event of the frontal collision.

‘Chair support’ means that part of a child restraint by which the chair can be raised.

‘Child support’ means that part of a child restraint by which the child can be raised within the
child restraint.

‘Impact shield’ means a device secured in front of the child and designed to distribute the restrain-
ing forces over the greater part of the height of the child’s body in the event of a frontal impact.

2.8.

‘Strap’ means a flexible component designed to transmit forces;

2.8.1.

‘lap strap’ means a strap which, either in the form of a complete belt or in the form of a com-
ponent of such a belt, passes across the front of, and restrains, the child’s pelvic region;

2.8.2.

‘shoulder restraint’ means that part of a belt which restrains the child’s upper torso;

2.8.3.

‘crotch strap’ means a strap (or divided straps, where two or more pieces of webbing make it)
attached to the child restraint and the lap strap and is so positioned as to pass between the
child’s thighs; it is designed to prevent the child sliding under the lap belt in normal use and
prevent the lap belt moving up off the pelvis in an impact.

2.8.4.

‘child-restraining strap’ means a strap which is a constituent part of the belt and restrains only the
body of the child;

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2.8.5.

2.8.6.

2.8.7.

2.9.

2.9.1.

2.9.2.

2.10.

2.10.1.

2.10.2.

2.11.

2.12.

2.13.

2.13.1.

2.13.2.

‘child-restraint attachment strap’ means a strap which attaches the child restraint to the structure
of the vehicle and may be a part of the vehicle-seat retaining device;

‘harness belt’ means a belt assembly comprising a lap belt, shoulder restraints and, where fitted,
a crotch strap;

‘Y-shaped belt’ means a belt where the combination of straps is formed by a strap to be guided
between the child’s legs and a strap for each shoulder.

‘Buckle’ means a quick release device which enables the child to be held by the restraint or the
restraint by the structure of the car and can be quickly opened. The buckle may incorporate the
adjusting device;

‘enclosed buckle release button’, a buckle release button such that it must not be possible to release
the buckle using a sphere having a diameter of 40 mm;

‘non-enclosed buckle release button’, a buckle release button such that it must be possible to release
the buckle using a sphere having a diameter of 40 mm.

‘Adjusting device’ means a device enabling the restraint or its attachments to be adjusted to the
physique of the wearer, the configuration of the vehicle, or both. The adjusting device may either
be part of the buckle or be a retractor or any other part of the safety belt;

‘quick adjuster’ means an adjusting device which can be operated by one hand in one smooth
movement.

‘adjuster mounted directly on child restraint’ means an adjuster for the integral harness which is
directly mounted on the child restraint, as opposed to being directly supported by the webbing
that it is designed to adjust.

‘Attachments’ means parts of the child restraint, including securing components, which enable
the child restraint to be firmly secured to the vehicle structure either directly or through the
vehicle seat.

‘Energy absorber’ means a device which is designed to dissipate energy independently of or jointly
with the strap and forms part of a child restraint.

‘Retractor’ means a device designed to accommodate a part or the whole of the strap of a child
restraint. The term covers the following devices:

‘an automatically-locking retractor’, a retractor which allows extraction of the desired length of a
strap and, when the buckle is fastened, automatically adjusts the strap to the wearer’s physique,
further extraction of the strap without voluntary intervention by the wearer being prevented;

‘an emergency-locking retractor’, a retractor which does not restrict the belt wearer’s freedom of
movement in normal driving conditions. Such a device has length-adjusting devices which
automatically adjust the strap to the wearer’s physique, and a locking mechanism actuated in an
emergency by:

2.13.2.1.

deceleration of the vehicle, extraction of the strap from the retractor, or any other automatic
means (single sensitivity); or

2.13.2.2.

a combination of any of these means (multiple sensitivity).

2.14.

‘Restraint anchorages’ means these parts of the vehicle structure or seat structure to which the
child-restraint attachments are secured;

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2.14.1.

‘additional anchorage’ means a part of the vehicle structure or of the vehicle seat structure, or any
other part of the vehicle, to which a child restraint is intended to be secured and which is addi-
tional to the anchorages approved under Regulation No 14.

2.15.

‘Forward-facing’ means facing in the normal direction of travel of the vehicle.

2.16.

‘Rearward-facing’ means facing in the direction opposite to the normal direction of travel of the
vehicle.

2.17.

‘Inclined position’ means a special position of the chair which allows the child to recline.

2.18.

‘Lying down/supine/prone position’ means a position where at least the child’s head and body
excluding its limbs are on a horizontal surface when at rest in the restraint.

2.19.

‘Child-restraint type’ means child restraints which do not differ in such essential respects as:

2.19.1.

the category, and the mass group(s) for which and the position and orientation (as defined in
paragraphs 2.15 and 2.16) in which the restraint is intended to be used;

2.19.2.

the geometry of the child restraint;

2.19.3.

the dimensions, mass, material and colour of:

the seat;

the padding;

and

the impact shield;

2.19.4.

the material, weave, dimensions and colour of the straps;

2.19.5.

the rigid components (buckle, attachments, etc.).

2.20.

2.20.1.

2.20.2.

2.20.3.

‘Vehicle seat’ means a structure, which may or may not be integral with the vehicle structure,
complete with trim and intended to seat one adult person. In this respect:

‘group of vehicle seats’ means either a bench seat or a plurality of seats which are separate but side
by side (i.e. so fixed that the front anchorages of one seat are in line with the front or rear
anchorages of another seat or on a line passing between those anchorages), each seat accom-
modating one or more seated adult persons;

‘vehicle bench seat’ means a structure complete with trim and intended to seat more than one adult
person;

‘vehicle front seats’ means the group of seats situated foremost in the passenger compartment, i.e.
having no other seat directly in front of them;

2.20.4.

‘vehicle rear seats’ are fixed, forward-facing seats situated behind another group of vehicle seats.

2.21.

‘Adjustment system’ means the complete device by which the vehicle seat or its parts can be
adjusted to suit the physique of the seat’s adult occupant; this device may, in particular, permit:

2.21.1.

longitudinal displacement, and/or

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2.21.2.

vertical displacement, and/or

2.21.3.

angular displacement.

2.22.

‘Vehicle seat anchorage’ means the system, including the affected parts of the vehicle structure, by
which the adult seat as a whole is secured to the vehicle structure.

2.23.

‘Seat type’ means a category of adult seats which do not differ in such essential respects as:

2.23.1.

the shape, dimensions and materials of the seat structure,

2.23.2.

the types and dimensions of the seat-back adjustment and locking systems, and

2.23.3.

the type and dimensions of the adult safety-belt anchorage on the seat, of the seat anchorage,
and of the affected parts of the vehicle structure.

2.24.

2.25.

2.26.

2.26.1.

2.26.2.

2.27.

3.

3.1.

‘Displacement system’ means a device enabling the adult seat or one of its parts to be displaced
angularly or longitudinally, without a fixed intermediate position, to facilitate the entry and exit
of passengers and the loading and unloading of objects.

‘Locking system’ means a device ensuring that the adult seat and its parts are maintained in the
position of use.

‘Lock-off device’ is a device which locks and prevents movement of one section of the webbing
of an adult safety-belt relative to another section of the webbing of the same belt. The term covers
the following classes:

‘Class A device’, a device that prevents the child pulling webbing from the retractor through to
the lap part of the belt, when the adult belt is used to restrain the child directly. When supplied
with group I restraints, the device allows compliance with paragraph 6.2.9.

‘Class B device’, a device that allows the retention of an applied tension in the lap part of an adult
safety-belt, when the adult belt is used to restrain the child restraint. The device is intended to
prevent webbing slipping from the retractor through the device, which would release the ten-
sion and place the restraint in a non-optimal position.

‘Special Needs Restraint’ is a child restraint system designed for children who have special needs
as a result of either a physical or mental handicap; this device may in particular permit addi-
tional restraining devices for any part of the child, but it must contain as a minimum a primary
means of restraint which complies with the requirements of this Regulation.

APPLICATION FOR APPROVAL

The application for approval of a type of child restraint shall be submitted by the holder of the
trade mark or by his duly accredited representative.

3.2.

The application for approval, relating to each type of child restraint, shall be accompanied by:

3.2.1.

a technical description of the child restraint, specifying the straps and other materials used,
and accompanied by drawings of the parts making up the child restraint and in the case of
retractors, installation instructions for these retractors and their sensing devices, declaration on
toxicity (paragraph 6.1.5) and flammability (paragraph 6.1.6), the drawings must show the
position intended for the approval number and additional symbol(s) in relation to the circle of
the approval mark. The description shall mention the colour of the model submitted for
approval;

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3.2.2.

four samples of the child restraint;

3.2.3.

a 10-metre length of each category of strap used in the child restraint; and

3.2.4.

additional samples shall be supplied at the request of the technical service responsible for con-
ducting the test;

3.2.5.

instructions and details of packaging in accordance with paragraph 14 below;

3.2.6.

in case of carry-cots, if the carry-cot restraint may be used in combination with a number of
types of carry-cots, the restraint manufacturer shall supply a list of the latter.

3.3.

3.4.

4.

4.1.

4.2.

4.3.

4.4.

4.5.

Where an approved adult safety belt is used to secure the child restraint, the application must
stipulate the category of adult safety belt to be used, e.g. static lap belts.

The competent authority shall verify the existence of satisfactory arrangements for ensuring
effective control of conformity of production before type-approval is granted.

MARKINGS

The samples of child restraint submitted for approval in conformity with the provisions of para-
graphs 3.2.2 and 3.2.3 above shall be clearly and indelibly marked with the manufacturer’s
name, initials or trade mark.

One of the parts made of plastics of the child restraint device (such as shell, impact shield,
booster cushion, etc.), except the belt(s) or harness, shall be marked clearly (and indelibly) with
the year of production.

If the restraint is to be used in combination with an adult safety belt the correct routing of
the webbing shall be clearly indicated by means of a drawing permanently attached to the
restraint. If the restraint is held in place by the adult safety-belt, the routes of the webbing shall
be clearly marked on the product by colour coding. The colours for the safetybelt route to be
used when the device is installed forward facing shall be red and when installed rear-facing shall
be blue. The same colours shall also be used on the labels on the device that illustrate the
methods of use.

The separate routes of the lap and shoulder sections of the safety-belt shall each be distinguished
on the product by colour coding and/or words.

The marking defined in this paragraph shall be visible with the restraint in the vehicle. For
group 0 restraints, this marking shall also be visible with the child in the restraint.

Rearward facing child restraints shall have a permanently attached label, visible in the installed
‘EXTREME HAZARD — Do not use in passenger seats
position, with the warning:
equipped with airbags’; this label shall be provided in the language of the country where the
device is sold.

In addition, in the immediate area where the child’s head rests within the child restraint and on
the visible surface of the child restraint system, rearward-facing restraints shall have the follow-
ing label permanently attached (the text information shown is a minimum).

This label shall be provided in the language(s) of the country where the device is sold.

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Label minimum size: 60 × 120 mm

4.6.

In the case of child restraints that can be used forward and rear-facing, include the words:

4.7.

4.8.

5.

5.1.

5.2.

5.3.

‘Important — do not use forward facing before the child’s weight exceeds (Refer to instructions)’

In the case of child restraints with alternative belt routes, the alternative load bearing contact
points between the child restraint and the adult safety-belt must be permanently marked. This
marking shall indicate that it is the alternative belt route, and shall conform with the above cod-
ing requirements for forward and rearward facing seats.

If the child restraint offers alternative load bearing contact points, the marking required in para-
graph 4.3 shall
include an indication that the alternative belt route is described in the
instructions.

APPROVAL

Each sample submitted in conformity with paragraphs 3.2.2 and 3.2.3 above shall meet the
specifications set forth in paragraphs 6 to 8 of this Regulation in every respect before approval
can be granted.

An approval number shall be assigned to each type approved. Its first two digits (at present 03
corresponding to the 03 series of amendments which entered into force on 12 September 1995)
shall indicate the series of amendments incorporating the most recent major technical amend-
ments made to the Regulation at the time of issue of the approval. The same Contracting Party
shall not assign the same number to another type of child restraint covered by this Regulation.

Notice of approval or of extension or refusal of approval of a child restraint pursuant to this
Regulation shall be communicated to the Parties to the Agreement which apply this Regulation
by means of a form conforming to the model in Annex 1 to this Regulation.

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5.4.

In addition to the marks prescribed in paragraph 4 above, the following particulars shall be
affixed in a suitable space to every child restraint conforming to a type approved under this
Regulation:

5.4.1.

an international approval mark consisting of:

5.4.1.1.

a circle surrounding the letter ‘E’ followed by the distinguishing number of the country which
has granted approval (1);

5.4.1.2.

an approval number;

5.4.2.

the following additional symbols:

5.4.2.1.

the word(s) ‘universal’, ‘restricted’, ‘semi-universal’ or ‘vehicle specific’ depending on the cat-
egory of restraint.

5.4.2.2.

the mass range for which the child restraint has been designed, namely, 0-10 kg; 0-13 kg;
9-18 kg; 15-25 kg; 22-36 kg; 0-18 kg; 9-25 kg; 15-36 kg; 0-25 kg; 9-36 kg; 0-36 kg.

5.4.2.3.

the symbol ‘Y’, in the case of a device containing a crotch strap, in conformity with the require-
ments of supplement 3 to the 02 series of amendments to the Regulation;

5.4.2.4.

the symbol ‘S’ in the case of a ‘Special Needs Restraint’.

5.5.

5.6.

5.7.

Annex 2 to this Regulation gives an example of the arrangement of the approval mark.

The particulars referred to in paragraph 5.4 above shall be clearly legible and be indelible, and
may be affixed either by means of a label or by direct marking. The label or marking shall be
resistant to wear.

The labels referred to in paragraph 5.6 above may be issued either by the authority which has
granted the approval or, subject to that authority’s authorization, by the manufacturer.

6.

GENERAL SPECIFICATIONS

6.1.

Positioning and securing on the vehicle

6.1.1.

The use of child restraints in the ‘universal’, ‘semi-universal’ and ‘restricted’ categories is permitted
in the front and rear seat positions if the restraints are fitted in conformity with the manufac-
turer’s instructions.

(1) 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungry, 8 for the
Czech Republic, 9 for Spain, 10 for Yugoslavia, 11 for the United Kingdom, 12 for Austria, 13 for Luxembourg, 14 for
Switzerland, 15 (vacant), 16 for Norway, 17 for Finland, 18 for Denmark, 19 for Romania, 20 for Poland, 21 for Por-
tugal, 22 for the Russian Federation, 23 for Greece, 24 for Ireland, 25 for Croatia, 26 for Slovenia, 27 for Slovakia, 28 for
Belarus, 29 for Estonia, 30 (vacant), 31 for Bosnia and Herzegovina, 32 for Latvia, 33 (vacant), 34 for Bulgaria,
35 (vacant), 36 for Lithuania, 37 for Turkey, 38 (vacant), 39 for Azerbaijan, 40 for The former Yugoslav Republic of
Macedonia, 41 (vacant), 42 for the European Community (Approvals are granted by its Member States using their respec-
tive ECE symbol) 43 for Japan, 44 (vacant), 45 for Australia, 46 for Ukraine, 47 for South Africa and 48 for New Zealand.
Subsequent numbers shall be assigned to other countries in the chronological order in which they ratify or accede to the
Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Equipment and Parts
which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals
Granted on the Basis of these Prescriptions, and the numbers thus assigned shall be communicated by the Secretary-
General of the United Nations to the Contracting Parties to the Agreement.

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6.1.2.

The use of child restraints in the ‘specific vehicle’ category is permitted in all seat positions and
also in the luggage area if the restraints are fitted in conformity with the manufacturer’s instruc-
tions. In the case of a rear-facing restraint, the design must ensure that support for the child’s
head is provided whenever the restraint is ready to use. This is to be determined as a line per-
pendicular to the seat back through the eye line, the point of intersection shall be at least 40 mm
below the start of radius of such a head support.

6.1.3.

According to the category which it belongs to, the child restraint shall be secured to the vehicle
structure or to the seat structure;

6.1.3.1.

for the ‘universal’ and ‘restricted’ categories, only by means of an adult safety-belt (with or with-
out a retractor) meeting the requirements of Regulation No 16 (or equivalent) fitted to anchor-
ages meeting the requirements of Regulation No 14 (or equivalent).

6.1.3.2.

for the ‘semi-universal’ category: by means of the lower anchorages prescribed in Regulation
No 14 and additional anchorages meeting the recommendation of Annex 11 to this Regulation;

6.1.3.3.

for the ‘specific vehicle’ category: by means of the anchorages designed by the manufacturer of
the vehicle or the manufacturer of the child restraint;

6.1.3.4.

In the case of child restraining straps or child restraint attachment strap utilizing belt anchor-
ages to which are already fitted an adult belt or belts, the technical service shall check that:

The effective adult anchorage position is as approved under Regulation No 14 or equivalent;

Effective operation of both devices is not hindered by the other;

The buckles of the adult and additional system must not be interchangeable.

In the case of child restraining devices utilizing bars, or extra devices attached to the anchor-
ages approved under Regulation No 14, which move the effective anchorage position outside
the field of Regulation No 14, the following points shall apply:

Such devices will only be approved as semi-universal or specific vehicle devices;

The technical service shall apply the requirements of Annex 11 to this Regulation to the
bar and the fastenings;

The bar will be included in the dynamic test, with the loading being applied to the mid-
position and the bar and its greatest extension, if adjustable;

The effective position and operation of any adult anchorage by which the bar is fixed shall
not be impaired.

6.1.4.

6.1.5.

A booster cushion must be restrained by either an adult belt, using the test as specified in para-
graph 8.1.4, or by separate means.

The child restraint manufacturer has to declare in written form that the toxicity of materials used
in the manufacture of restraint systems and accessible to the restrained child is in conformity
with the relevant parts of CEN Safety of Toys, part 3 (June 1982). Tests confirming the validity
of the declaration may be carried out at the discretion of the test authority. This paragraph does
not apply to restraint devices of groups II and III.

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6.1.6.

6.1.7.

6.1.8.

The child restraint manufacturer has to declare in written form that the flammability of mate-
rials used to manufacture the restraint system is in conformity with the relevant paragraphs of
the ECE Consolidated Resolution on the Construction of Vehicles (R.E.3)
(document
TRANS/WP.29/78/Rev.1, paragraph 1.42). Tests confirming the validity of the declaration may
be carried out at the discretion of the test authority.

In the case of rearward-facing child restraints supported by the vehicle dashboard, for the pur-
pose of approval to this Regulation the dashboard is assumed to be sufficiently rigid.

In the case of child restraints of the ‘universal’ category, the main load-bearing contact point
between the child restraint and the adult safety-belt shall not be less than 150 mm from the
Cr axis when measured with the child restraint on the dynamic test bench. This shall apply to
all adjustment configurations. Additional alternative belt routes are allowed. Where an alterna-
tive belt route exists, the manufacturer must make specific reference to the alternative route in
the user instructions, as required in paragraph 14. When tested, using such alternative belt
route(s), the restraint shall comply with all the requirements of the Regulation with the excep-
tion of this paragraph.

6.1.9.

The maximum length of adult belt which may be used to secure a ‘universal’ category child
restraint on the dynamic test bench is defined in Annex 13 to this Regulation.

To check compliance with this requirement, the child restraint shall be secured onto the test
bench using the appropriate standard seat belt described in Annex 13. The dummy shall not be
installed unless the design of the restraint is such that the installation of a dummy would
increase the amount of belt used. With the child restraint in the installed position there shall be
no tension in the belt apart from that exerted by the standard retractor, where fitted. Where the
retractor belt is used, this condition shall be met with at least 150 mm of belt remaining on the
spool.

6.1.10.

Child restraints of groups 0 and 0+ shall not be used forward facing.

6.2.

Configuration

6.2.1.

The configuration of the restraint shall be such that

6.2.1.1.

6.2.1.2.

the restraint gives the required protection in any intended position of the restraint system; for
‘Special Needs Restraints’ the primary means of restraint shall give the required protection in
any intended position of the restraint system without the use of the additional restraining
devices which may be present.

the child is easily and quickly installed and removed; in the case of a child restraint system in
which the child is restrained by means of a harness belt or a Y-shaped belt without a retractor
each shoulder restraint and lap strap shall be capable of movement relative to each other dur-
ing the procedure prescribed in paragraph 7.2.1.4.

In these cases the belt assembly of the child restraint system may be designed with two or more
connecting parts. For ‘Special Needs Restraints’ it is recognized that the additional restraining
devices will restrict the speed by which a child can be installed and removed. However, the addi-
tional devices shall be designed to release quickly so far as possible.

6.2.1.3.

If it is possible to change the inclination of the restraint, this change in inclination shall not
require manual readjustment of the straps. A deliberate hand-action is required in order
to change the inclination of the restraint.

6.2.1.4.

the groups 0, 0+ and I restraint systems shall keep the child so positioned as to give the required
protection even when the child is asleep;

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6.2.1.5.

to prevent submarining, either by impact or through restlessness, a crotch strap shall be required
on all forwardfacing group I restraints incorporating an integral harness belt system. With the
crotch strap attached, and in its longest position if adjustable, it shall not be possible to adjust
the lap strap to lie above the pelvis in either the 9 kg or the 15 kg dummy.

6.2.2.

6.2.3.

6.2.4.

For groups I, II and III, all restraint devices utilizing a ‘lap strap’ must positively guide the ‘lap
strap’ to ensure that the loads transmitted by the ‘lap strap’ are transmitted through the pelvis.

All straps of the restraint shall be so placed that they cannot cause discomfort to the wearer in
normal use or assume a dangerous configuration. The distance between the shoulder-straps in
the vicinity of the neck should be at least the width of the neck of the appropriate manikin.

The assembly shall not subject weak parts of the child’s body (abdomen, crotch, etc.) to excessive
stresses. The design shall be such that compression loads shall not be imposed on the crown of
the child’s head in the event of a collision.

6.2.4.1.

Y-shaped belts may only be used in rearward facing child restraint systems.

6.2.5.

The child restraint shall be so designed and installed as:

6.2.5.1.

6.2.5.2.

6.2.5.3.

6.2.5.4.

6.2.6.

to minimise the danger of injury to the child or to other occupants of the vehicle through sharp
edges or protrusions (as defined in Regulation No 21, for example);

not to exhibit sharp edges or protrusions liable to cause damage to vehicle-seat covers or to
occupant’s clothing;

not to subject weak parts of the child’s body (abdomen, crotch, etc.) to supplementary inertial
forces it sets up;

to ensure that its rigid parts do not, at points where they are in contact with straps, exhibit sharp
edges capable of abrading the straps.

Any part made separable to enable components to be fixed and detached shall be so designed
as to avoid any risk of incorrect assembly and use so far as possible. ‘Special Needs Restraints’
may have additional restraining devices; these shall be designed to avoid any risk of incorrect
assembly and that their means of release and mode of operation is immediately obvious to a
rescuer in an emergency.

6.2.7.

Where the child restraint intended for group I, group II and groups I and II combined includes
a chair back, the internal height of the latter, determined in accordance with the diagram in
Annex 12, shall be not less than 500 mm.

6.2.8.

Only automatically-locking retractors or emergency-locking retractors may be used.

6.2.9.

6.2.10.

For devices intended for use in Group I it must not be possible for the child to easily slacken
that part of the system that restrains the pelvis after the child has been installed; any device that
is designed to obtain this must be permanently attached to the child restraint system.

A child restraint may be designed for use in more than one mass group and/or by more than
one child, provided that it is able to satisfy the requirements laid down for each of the groups
concerned. A child restraint in the ‘universal’ category must meet the requirements of that cat-
egory for all mass groups for which it has been approved.

6.2.11.

Child restraints with retractor

In the case of a child restraint incorporating a retractor, the retractor shall have met the require-
ments of paragraph 7.2.3 below.

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6.2.12.

6.2.13.

6.2.14.

7.

7.1.

In case of booster cushions, the ease with which the straps and tongue of an adult belt pass
through the fixture points must be examined. This goes particularly for booster cushions which
are designed for the front seats of cars, which may have long semi-rigid stalks. The fixed buckle
should not be allowed to pass through the fixture points of booster seats, or to permit a lie of
belt completely different from that of the test-trolley.

If the child restraint is designed for more than one child, each restraint system shall be fully inde-
pendent with regard to load transfer and adjustments.

The child restraints incorporating inflatable elements shall be so designed that the conditions
of use (pressure, temperature, humidity) have no influence on their ability to comply with the
requirements of this Regulation.

PARTICULAR SPECIFICATIONS

Provisions applicable to the assembled restraint

7.1.1.

Resistance to corrosion

7.1.1.1.

7.1.1.2.

A complete child restraint, or the parts thereof that are liable to corrosion, shall be subject to
the corrosion test specified in paragraph 8.1.1 below.

After the corrosion test as prescribed in paragraphs 8.1.1.1 and 8.1.1.2, no signs of deteriora-
tion likely to impair the proper functioning of the child restraint, and no significant corrosion,
shall be visible to the unaided eye of a qualified observer.

7.1.2.

Energy absorption

7.1.2.1.

For all devices with backrests there shall be internal surfaces, defined in Annex 18 to this Regu-
lation, comprising material with a peak acceleration of less than 60 g when measured in accor-
dance with Annex 17 to this Regulation. This requirement applies also to areas of impact shields
which are in the head strike area.

7.1.3.

Overturning

7.1.3.1.

The child restraint shall be tested as prescribed in paragraph 8.1.2; the manikin shall not fall
out of the device and, when the test seat is in the upside down position the manikin’s head shall
not move more than 300 mm from its original position in a vertical direction relative to the
test seat.

7.1.4.

Dynamic test

7.1.4.1.

General

The child restraint shall be subjected to a dynamic test in conformity with paragraph 8.1.3
below.

7.1.4.1.1.

Child restraints of the ‘universal’, ‘restricted’ and ‘semi-universal’ categories shall be tested on the
test trolley by means of the test seat prescribed in paragraph 6, and in conformity with
paragraph 8.1.3.1.

7.1.4.1.2.

Child restraints of the ‘specific vehicle’ category shall be tested with each vehicle model for which
the child restraint is intended. The technical service responsible for conducting the test may
reduce the number of vehicle models tested if they do not differ greatly in the aspects listed in
paragraph 7.1.4.1.2.3. The child restraint may be tested in one of the following ways:

7.1.4.1.2.1. On a complete vehicle, as prescribed in paragraph 8.1.3.3;

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7.1.4.1.2.2.

in a vehicle body shell on the test trolley, as prescribed in paragraph 8.1.3.2; or,

7.1.4.1.2.3.

in sufficient parts of the vehicle bodyshell to be representative of the vehicle structure
and impact surfaces. If the child restraint is intended for use in the rear seat, these shall include
the back of the front seat, the rear seat, the floor pan, the B and C pillars and the roof. If the
child restraint is intended for use in the front seat, the parts shall include the dashboard, the A
pillars, the windscreen, any levers or knobs installed in the floor or on a console, the front seat,
the floor pan and the roof. Furthermore, if the child restraint is intended for use in combination
with the adult safety belt, the parts shall include the appropriate adult belt(s). The technical ser-
vice responsible for conducting the test may permit items to be excluded if they are found to be
superfluous. Testing shall be as prescribed in paragraph 8.1.3.2.

7.1.4.1.3.

The dynamic test shall be preformed on child restraints which have not previously been under
load.

7.1.4.1.4.

During the dynamic tests, no part of the child restraint actually helping to keep the child in posi-
tion shall break, and no buckles or locking system or displacement system shall release.

7.1.4.1.5.

In the case of ‘non-integral type’ the seat belt used shall be the standard belt and its anchorage
brackets prescribed in Annex 13 to this Regulation. This does not apply to ‘specific vehicle’
approvals where the actual belt of the vehicle shall be used.

7.1.4.1.6.

If a ‘specific vehicle’ child restraint system is installed in the area behind the rearmost forward
the luggage area), one test with the largest
facing adult seat positions (for example,
dummy/dummies on a complete vehicle as prescribed in paragraph 8.1.3.3.3 shall be per-
formed. The other tests, including the conformity of production, may be done as prescribed in
paragraph 8.1.3.2, if the manufacturer so wishes.

7.1.4.1.7.

In the case of a ‘Special Needs Restraint’ every dynamic test specified by this Regulation for each
mass group shall be performed twice: first, using the primary means of restraint and second,
with all restraining devices in use. In these tests, special attention shall be given to the require-
ments in paragraphs 6.2.3 and 6.2.4.

7.1.4.1.8.

During the dynamic tests, the standard safety-belt used to install the child restraint shall not
become disengaged from any guide or locking device utilised for the test conducted.

7.1.4.2.

Chest acceleration (1)

7.1.4.2.1.

The resultant chest acceleration shall not exceed 55 g except during periods whose sum does
not exceed 3 ms.

7.1.4.2.2.

The vertical component of the acceleration from the abdomen towards the head shall not exceed
30 g except during periods whose sum does not exceed 3 ms.

7.1.4.3.

Abdominal penetration (2)

7.1.4.3.1.

During the verification described in Annex 8, Appendix 1, paragraph 5.3, there shall be no vis-
ible signs of penetration of the modelling clay of the abdomen caused by any part of the
restraining device.

(1) Chest acceleration limits do not apply when using the ‘new born’ manikin as it is not instrumented.
(2) The new-born manikin is not fitted with any abdominal insert. Therefore only a subjective analysis can be used as a guide

to abdominal penetration.

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7.1.4.4.

Manikin displacement

7.1.4.4.1.

Child restraints of the ‘universal’, ‘restricted’ and ‘semi-universal’ categories:

7.1.4.4.1.1.

Forward facing child restraints: the head of the manikin shall not pass beyond the planes BA
and DA as defined in Figure 1 below.

Figure 1: Arrangement for testing a forward-facing device

7.1.4.4.1.2.

Rear-facing child restraints:

7.1.4.4.1.2.1. Child restraints supported by dashboard: the head of the manikin shall not pass beyond the

planes AD and DCr, as defined in Figure 2 below.

Figure 2: Arrangement for testing a rearward-facing device

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7.1.4.4.1.2.2. Child restraints in group 0 not supported by the dashboard, and carrycots: the head of the mani-

kin shall not pass the planes AB, AD and DE as shown in Figure 3 below.

Figure 3: Arrangement for testing child restraint devices group 0, not supported by the dashboard

7.1.4.4.1.2.3. Child restraints other than group 0 not supported by the dashboard:

The head of the manikin shall not pass the planes FD, FG and DE, as shown in Figure 4 below.

In the case there is a contact of such a child restraint with the 100 mm diameter bar and all
performance criteria are met, there shall be one further dynamic test (front impact) with the
heaviest dummy intended for such child restraint and without the 100 mm diameter bar; the
requirements for this test are that all criteria other than forward displacement shall be met.

Figure 4: Arrangement for testing rearward-facing devices, except group 0, not supported by the dashboard

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7.1.4.4.2.

Child restraints of the ‘specific vehicle’ category: when tested in a complete vehicle or a vehicle
body shell, the head shall not come into contact with any part of the vehicle. However, if there
is contact, the speed of impact of the head shall be less than 24 km/h and the part contacted
shall meet the requirements of the energy absorption test laid down in Regulation No 21,
Annex 4. In tests with complete vehicles it shall be possible to remove the manikins from the
child restraint without the use of tools after the test.

7.1.5.

Resistance to temperature

7.1.5.1.

7.1.5.2.

Buckle assemblies, retractors, adjusters and lock-off devices that are liable to be affected by tem-
perature, shall be subject to the temperature test specified in paragraph 8.2.8 below.

After the temperature test as prescribed in paragraph 8.2.8.1, no signs of deterioration likely
to impair the proper functioning of the child restraint, shall be visible to the unaided eye of a
qualified observer.

7.2.

Provisions applicable to individual components of the restraint

7.2.1.

Buckle

7.2.1.1.

7.2.1.2.

The buckle shall be so designed as to preclude any possibility of incorrect manipulation. This
means, inter alia, that it must not be possible for the buckle to be left in a partially closed posi-
tion; it must not be possible to exchange the buckle parts inadvertently when the buckle is being
locked; the buckle must only lock when all parts are engaged. Wherever the buckle is in contact
with the child, it shall not be narrower than the minimum width of strap as specified in para-
graph 7.2.4.1.1 below. This paragraph is not applicable to belt assemblies already approved
according to ECE Regulation No 16 or any equivalent standard in force. In the case of a ‘Special
Needs Restraint’ only the buckle on the primary means of restraint need comply with the
requirements of paragraphs 7.2.1.1 to 7.2.1.9 inclusive.

The buckle, even when not under tension, shall remain closed whatever its position. It shall be
easy to operate and to grasp. It shall be possible to open it by pressure on a button or on a simi-
lar device. The surface to which this pressure must be applied must have in the position of actual
unlocking: for enclosed devices, an area of not less than 4,5 cm2 with a width of not less than
15 mm; for non-enclosed devices, an area of 2,5 cm2 and a width of not less than 10 mm. The
width shall be the smaller of the two dimensions forming the prescribed area and shall be mea-
sured rectangular to the direction of movement of the release button.

7.2.1.3.

The buckle release area shall be coloured red. No other part of the buckle shall be of this colour.

7.2.1.4.

It shall be possible to release the child from the restraint by a single operation on a single buckle.
For groups 0 and 0+ it is allowed to remove the child together with devices such as infant
carrier/carry-cot/carry-cot restraints if the child restraint system can be released by operation of
a maximum of two buckles.

7.2.1.4.1.

A clip connection between the shoulder straps of a harness belt is deemed not to comply with
the single operation requirement given in paragraph 7.2.1.4 above.

7.2.1.5.

7.2.1.6.

7.2.1.7.

For groups II and III the buckle shall be so placed that the child occupant can reach it. In addi-
tion it shall for all groups be so placed that its purpose and mode of operation are immediately
obvious to a rescuer in an emergency.

Opening of the buckle shall enable the child to be removed independently of the ‘chair’, ‘chair
support’ or ‘impact shield’, if fitted, and if the device includes a crotch strap the crotch strap shall
be released by operation of the same buckle.

The buckle shall be capable of withstanding the temperature test operation requirements given
in paragraph 8.2.8.1 and repeated operation, and shall, before the dynamic test prescribed in
paragraph 8.1.3 undergo a test comprising 5 000 ± 5 opening and closing cycles under normal
conditions for use.

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7.2.1.8.

The buckle shall be subjected to the following tests of opening:

7.2.1.8.1.

Test under load

7.2.1.8.1.1. A child restraint having already undergone the dynamic test prescribed in paragraph 8.1.3

below shall be used for this test.

7.2.1.8.1.2.

The force required to open the buckle in the test prescribed in paragraph 8.2.1.1 below shall
not exceed 80 N.

7.2.1.8.2.

No-load test

7.2.1.8.2.1. A buckle which has not previously been subjected to a load shall be used for this test. The force
needed to open the buckle when it is not under load shall be in the range of 40-80 N in the
tests prescribed in paragraph 8.2.1.2 below.

7.2.1.9.

Strength

7.2.1.9.1.

During the test in accordance with paragraph 8.2.1.3.2 no part of the buckle or the adjacent
straps or adjusters shall break or be detached.

7.2.1.9.2.

A harness buckle of mass groups 0 and 0+ shall withstand 4 000 N.

7.2.1.9.3.

A harness buckle of mass group I and higher shall withstand 10 000 N.

7.2.1.9.4.

The competent authority may dispense with the buckle strength test if information already avail-
able renders the test superfluous.

7.2.2.

Adjusting device

7.2.2.1.

7.2.2.2.

The range of adjustment shall be sufficient to permit correct adjustment of the child restraint
throughout the weight group for which the device is intended and to permit satisfactory instal-
lation in all specified vehicle models.

All adjusting devices shall be of the ‘quick adjuster’ type, except that adjusting devices used only
for the initial installation of the restraint in the vehicle may be of other than the ‘quick adjuster’
type.

7.2.2.3.

Devices of the ‘quick adjuster’ type shall be easy to reach when the child restraint is correctly
installed and the child or manikin is in position.

7.2.2.4.

7.2.2.5.

A device of the ‘quick adjuster’ type shall be easily adjustable to the child’s physique. In par-
ticular, in a test performed in accordance with paragraph 8.2.2.1, the force required to operate
a manual adjusting device shall not exceed 50 N.

Two samples of the child-restraint adjusting devices shall be tested as prescribed by the
temperature test operation requirements given in paragraph 8.2.8.1 and in paragraph 8.2.3
below.

7.2.2.5.1.

The amount of strap slip shall not exceed 25 mm for one adjusting device or 40 mm for all
adjusting devices.

7.2.2.6.

The device must not break or become detached when tested as prescribed in paragraph 8.2.2.1
below.

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7.2.2.7.

An adjuster mounted directly on the child restraint shall be capable of withstanding repeated
operation and shall, before the dynamic test prescribed in paragraph 8.1.3 undergo a test com-
prising 5 000 ± 5 cycles as specified in paragraph 8.2.7.

7.2.3.

Retractors

7.2.3.1.

Automatically-locking retractors

7.2.3.1.1.

7.2.3.1.2.

7.2.3.1.3.

The strap of a safety-belt equipped with an automatically-locking retractor shall not unwind by
more than 30 mm between locking positions of the retractor. After a rearward movement of
the wearer the belt must either remain in its initial position or return to that position automati-
cally on subsequent forward movement of the wearer.

If the retractor is part of a lap belt, the retracting force of the strap shall be not less than 7 N as
measured in the free length between the manikin and the retractor as prescribed in para-
graph 8.2.4.1 below. If the retractor is part of a chest restraint, the retracting force of the strap
shall be not less than 2 N or more than 7 N as similarly measured. If the strap passes through
a guide or pulley, the retracting force shall be measured in the free length between the manikin
and the guide or pulley. If the assembly incorporates a device, manually or automatically oper-
ated, that prevents the strap from being completely retracted, that device shall not be in opera-
tion when these measurements are effected.

The strap shall be repeatedly withdrawn from the retractor and allowed to retract, in the con-
ditions prescribed in paragraph 8.2.4.2 below, until 5 000 cycles have been completed. The
retractor shall then be subjected to the temperature test operation requirements given in para-
graph 8.2.8.1 and corrosion test described in paragraph 8.1.1 and the dust-resistance test
described in paragraph 8.2.4.5. It shall then satisfactorily complete a further 5 000 cycles of
withdrawal and retraction. After the above tests the retractor shall continue to operate correctly
and to meet the requirements of paragraphs 7.2.3.1.1 and 7.2.3.1.2 above.

7.2.3.2.

Emergency-locking retractors

7.2.3.2.1.

An emergency-locking retractor shall when tested as prescribed in paragraph 8.2.4.3 satisfy the
conditions below:

7.2.3.2.1.1.

It shall be locked when the deceleration of the vehicle reaches 0,45 g.

7.2.3.2.1.2.

It shall not lock for strap accelerations of less than 0,8 g as measured in the axis of strap
extraction.

7.2.3.2.1.3.

It shall not lock when its sensing device is tilted by not more than 12° in any direction from the
installation position specified by its manufacturer.

7.2.3.2.1.4.

It shall lock when its sensing device is tilted by more than 27° in any direction from the instal-
lation position specified by its manufacturer.

7.2.3.2.2.

Where the operation of a retractor depends on an external signal or power source, the design
shall ensure that the retractor locks automatically upon failure or interruption of that signal or
power source.

7.2.3.2.3.

A multiple-sensitivity emergency-locking retractor shall meet the requirements set out above.
In addition, if one of the sensitivity factors relates to strap extraction, locking must have
occurred at a strap acceleration of 1,5 g as measured in the axis of strap extraction.

7.2.3.2.4.

In the tests referred to in paragraphs 7.2.3.2.1.1 and 7.2.3.2.3 above, the amount of strap
extraction occurring before the retractor locks shall not exceed 50 mm, starting at the length of
unwinding specified in paragraph 8.2.4.3.1. In the test referred to in paragraph 7.2.3.2.1.2
above, locking shall not occur during the 50 mm of strap extraction starting at the length of
unwinding specified in paragraph 8.2.4.3.1 below.

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7.2.3.2.5.

7.2.3.2.6.

If the retractor is part of a lap belt, the retracting force of the strap shall be not less than 7 N as
measured in the free length between the manikin and the retractor as prescribed in para-
graph 8.2.4.1. If the retractor is part of a chest restraint, the retracting force of the strap shall be
not less than 2 N or more than 7 N as similarly measured. If the strap passes through a guide or
pulley, the retracting force shall be measured in the free length between the manikin and the
guide or pulley. If the assembly incorporates a device, manually or automatically operated, that
prevents the strap from being completely retracted, that device shall not be in operation when
these measurements are effected.

The strap shall be repeatedly withdrawn from the retractor and allowed to retract, in the con-
ditions prescribed in paragraph 8.2.4.2, until 40 000 cycles have been completed. The retrac-
tor shall
then be subjected to the temperature test operation requirements given in
paragraph 8.2.8.1 and corrosion test described in paragraph 8.1.1 and to the dust-resistance test
described in paragraph 8.2.4.5. It shall then satisfactorily complete a further 5 000 cycles of
withdrawal and retraction (making 45 000 in all). After the above tests the retractor shall con-
tinue to operate correctly and to meet the requirements of paragraphs 7.2.3.2.1 to 7.2.3.2.5
above.

7.2.4.

Straps

7.2.4.1.

Width

7.2.4.1.1.

The minimum width at the child-restraint straps which contact the dummy shall be 25 mm for
groups 0, 0+ and I, and 38 mm for groups II and III. These dimensions shall be measured dur-
ing the strap strength test prescribed in paragraph 8.2.5.1, without stopping the machine and
under a load equal to 75 per cent of the breaking load of the strap.

7.2.4.2.

Strength after room conditioning

7.2.4.2.1.

On two sample straps conditioned as prescribed in paragraph 8.2.5.2.1, the breaking load of
the strap shall be determined as prescribed in paragraph 8.2.5.1.2 below.

7.2.4.2.2.

The difference between the breaking loads of the two samples shall not exceed 10 per cent of
the greater of the two breaking loads measured.

7.2.4.3.

Strength after special conditioning

7.2.4.3.1.

On two straps conditioned as prescribed in one of the provisions of paragraph 8.2.5.2 (except
paragraph 8.2.5.2.1), the breaking load of the strap shall be not less than 75 per cent of the
average of the loads determined in the test referred to in paragraph 8.2.5.1 below.

7.2.4.3.2.

In addition, the breaking load shall be not less than 3,6 kN for the restraints of the groups 0, 0+
and I, 5 kN for those of group II, and 7,2 kN for those of group III.

7.2.4.3.3.

The competent authority may dispense with one or more of these tests if the composition of
the material used, or information already available, renders the test or tests superfluous.

7.2.4.3.4.

The abrasion conditioning procedure of type 1 defined in paragraph 8.2.5.2.6 shall only be per-
formed when the microslip test defined in paragraph 8.2.3 below gives a result above 50 per
cent of the limit prescribed in paragraph 7.2.2.5.1 above.

7.2.4.4.

It shall not be possible to pull the complete strap through any adjusters, buckles or anchoring
points.

7.2.5.

Lock-off device

7.2.5.1.

The lock-off device must be permanently attached to the child restraint.

7.2.5.2.

The lock-off device must not impair the durability of the adult belt and undergo temperature
test operation requirements given in paragraph 8.2.8.1.

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7.2.5.3.

The lock-off device must not prevent the rapid release of the child.

7.2.5.4.

Class A devices.

The amount of slip of the webbing shall not exceed 25 mm after the test prescribed in para-
graph 8.2.6.1 below.

7.2.5.5.

Class B devices.

The amount of slip of the webbing shall not exceed 25 mm after the test prescribed in para-
graph 8.2.6.2 below.

8.

DESCRIPTION OF TESTS (1)

8.1.

Tests of the assembled restraint

8.1.1.

Corrosion

8.1.1.1.

8.1.1.2.

The metal items of the child restraint shall be positioned in a test chamber as prescribed in
Annex 4. In the case of a child restraint incorporating a retractor, the strap shall be unwound
to full length less 100 ± 3 mm. Except for short interruptions that may be necessary, for
example, to check and replenish the salt solution, the exposure test shall proceed continuously
for a period of 50 ± 0,5 hours.

On completion of the exposure test the metal items of the child restraint shall be gently washed,
or dipped, in clean running water with a temperature not higher than 38 °C to remove any salt
deposit that may have formed and then allowed to dry at room temperature of 18 to 25 °C
for 24 ± 1 hours before inspection in accordance with paragraph 7.1.1.2 above.

8.1.2.

Overturning

8.1.2.1.

8.1.2.2.

8.1.2.3.

The manikin shall be placed in the restraints installed in accordance with this Regulation and
taking into account the manufacturer’s instructions and with the standard slack as specified in
paragraph 8.1.3.6 below.

The restraint shall be fastened to the test seat or vehicle seat. The whole seat shall be rotated
around a horizontal axis contained in the median longitudinal plane of the seat through an
angle of 360° at a speed of 2-5 degrees/second. For the purposes of this test, devices intended
for use in specific cars may be attached to the test seat described in Annex 6.

This test shall be carried out again rotating in the reverse direction after having replaced, if nec-
essary, the manikin in its initial position. With the rotational axis in the horizontal plane and at
90° to that of the two earlier tests, the procedure shall be repeated in the two directions of
rotation.

8.1.2.4.

These tests shall be carried out using both the smallest and the largest appropriate manikin of
the group or groups for which the restraining device is intended.

(1) Tolerances on dimensions unless otherwise stated, not valid for boundries.

Range of Dimensions (mm)

Less than 6

above 6
to 30

above 30
to 120

above 120
to 315

above 315
to 1 000

Above 1 000

Tolerance (mm)

± 0,5

± 1

± 1,5

± 2

± 3

± 4

Angular tolerances unless otherwise stated: ± 1.

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8.1.3.

Dynamic tests

8.1.3.1.

Tests on the trolley and test seat

8.1.3.1.1.

Forward-facing

8.1.3.1.1.1.

The trolley and test seat used in the dynamic test shall meet the requirements of Annex 6 to
this Regulation, and the dynamic crash test installation procedure is to be in accordance with
Annex 21.

8.1.3.1.1.2.

The trolley shall remain horizontal throughout deceleration.

8.1.3.1.1.3.

The deceleration of the trolley shall be achieved by using the apparatus prescribed in Annex 6
to this Regulation or any other device giving equivalent results. This apparatus shall be capable
of the performance specified in paragraph 8.1.3.4 and Annex 7 of this Regulation.

8.1.3.1.1.4.

The following measurements shall be made:

8.1.3.1.1.4.1. the trolley speed immediately before impact;

8.1.3.1.1.4.2. the stopping distance;

8.1.3.1.1.4.3. the displacement of the manikin’s head in the vertical and horizontal planes for groups I, II
and III and for groups 0 and 0+ the displacement of the manikin without considering its limbs;

8.1.3.1.1.4.4. the chest acceleration in three mutually perpendicular directions except for new-born manikin;

8.1.3.1.1.4.5. any visible signs of penetration of the modelling clay in the abdomen (see paragraph 7.1.4.3.1)

except for new-born manikin.

8.1.3.1.1.5. After impact, the child restraint shall be inspected visually, without opening the buckle, to deter-

mine whether there has been any failure or breakage.

8.1.3.1.2.

Rearward-facing

8.1.3.1.2.1.

The test seat shall be rotated 180° when testing in compliance with the requirements of the rear
impact test.

8.1.3.1.2.2. When testing a rearward-facing child restraint intended for use in the front seating position, the
vehicle facia shall be represented by a rigid bar attached to the trolley in such a way that all the
energy absorption takes place in the child restraint.

8.1.3.1.2.3.

The deceleration conditions shall satisfy the requirements of paragraph 8.1.3.4 below.

8.1.3.1.2.4.

The measurements to be made shall be similar to those listed in paragraphs 8.1.3.1.1.4
to 8.1.3.1.1.4.5 above.

8.1.3.1.2.5. After impact, the child restraint shall be inspected visually without opening the buckle, to deter-

mine whether there has been any failure or breakage.

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8.1.3.2.

Test on trolley and vehicle body shell

8.1.3.2.1.

Forward-facing

8.1.3.2.1.1.

The method used to secure the vehicle during the test shall not be such as to strengthen the
anchorages of the vehicle seats, adult safety belts and any additional anchorages required to
secure the child restraint or to lessen the normal deformation of the structure. No part of the
vehicle shall be present which, by limiting the movement of the manikin, would reduce the load
imposed on the child restraint during the test. The parts of the structure eliminated may be
replaced by parts of equivalent strength, provided they do not hinder the movement of the
manikin.

8.1.3.2.1.2. A securing device shall be regarded as satisfactory if it produces no effect on an area extending
over the whole width of the structure and if the vehicle or structure is blocked or fixed in front
at a distance of not less than 500 mm from the anchorage of the restraint system. At the rear
the structure shall be secured at a sufficient distance behind the anchorages to ensure that all
requirements of paragraph 8.1.3.2.1.1 above are fulfilled.

8.1.3.2.1.3.

The vehicle seat and child restraint shall be fitted and shall be placed in a position chosen by
the technical service conducting approval tests to give the most adverse conditions in respect
of strength, compatible with installing the manikin in the vehicle. The position of the vehicle
seat-back and child restraint shall be stated in the report. The vehicle seat-back, if adjustable for
inclination, shall be locked as specified by the manufacturer or, in the absence of any specifi-
cation, at an actual seat-back angle as near as possible to 25°.

8.1.3.2.1.4. Unless the instructions for fitting and use require otherwise, the front seat shall be placed in the
most forward normally used position for child restraints intended for use in the front seating
position, and in the rearmost normally used position for child restraints intended for use in the
rear seating position.

8.1.3.2.1.5.

The deceleration conditions shall satisfy the requirements of paragraph 8.1.3.4 below. The test
seat will be the seat of the actual vehicle.

8.1.3.2.1.6.

The following measurements shall be made:

8.1.3.2.1.6.1. the trolley speed immediately before impact;

8.1.3.2.1.6.2. the stopping distance;

8.1.3.2.1.6.3. any contact of the manikin’s head with the interior of the vehicle body shell;

8.1.3.2.1.6.4. the chest deceleration in three mutually perpendicular directions, except for new-born manikin;

8.1.3.2.1.6.5. any visible signs of penetration of the modelling clay in the abdomen (see paragraph 7.1.4.3.1),

except for new-born manikin.

8.1.3.2.1.7. After impact, the child restraint shall be inspected visually, without opening the buckle, to deter-

mine whether there has been any failure.

8.1.3.2.2.

Rearward-facing

8.1.3.2.2.1.

For rear impact tests the vehicle body shell shall be rotated 180° on the test trolley.

8.1.3.2.2.2.

Same requirements as for frontal impact.

8.1.3.3.

Test with complete vehicle

8.1.3.3.1.

The deceleration conditions shall satisfy the requirements of paragraph 8.1.3.4 below.

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8.1.3.3.2.

For frontal impact tests the procedure shall be that set out in Annex 9 to this Regulation.

8.1.3.3.3.

For rear impact tests the procedure shall be that set out in Annex 10 to this Regulation.

8.1.3.3.4.

The following measurements shall be made:

8.1.3.3.4.1.

the speed of the vehicle/impactor immediately before impact;

8.1.3.3.4.2.

any contact of the manikin’s head (in the case of group 0 the manikin without considering its
limbs) with the interior of the vehicle;

8.1.3.3.4.3.

the chest acceleration in three mutually perpendicular directions, except for new-born manikin;

8.1.3.3.4.4.

any visible signs of penetration of the modelling clay in the abdomen (see paragraph 7.1.4.3.1),
except for new-born manikin.

8.1.3.3.5.

The front seats, if adjustable for inclination, shall be locked as specified by the manufacturer or,
in the absence of any specification, at an actual seat-back angle as near as possible to 25°.

8.1.3.3.6.

After impact, the child restraint shall be inspected visually, without opening the buckle, to deter-
mine whether there has been any failure or breakage.

8.1.3.4.

The conditions for dynamic test are summarized in the table below.

FRONTAL IMPACT

REAR IMPACT

Test

Restraint

Speed
(km/h)

Test
pulse

Stopping
distance
during test
(mm)

Speed
(km/h)

Test
pulse

Stopping
distance
during test
(mm)

1

650±50

—

—

—

Trolley
with test
seat

Vehicle
body on
trolley

Forward facing front
and rear seats uni-
versal, semi-
universal or
restricted (*)

Rearward facing
front and rear seats
universal, semi-
universal or
restricted (**)

Forward facing (*)

Rearward facing (**)

Whole
Vehicle
barrier test

Forward facing

Rearward facing

50+0
– 2

50+0
– 2

50+0
– 2

50+2
– 2

50+0
– 2

50+0
– 2

1

650±50

30+2
– 0

2

275±25

1 or 3

650±50

—

—

—

1 or 3

650±50

3

3

Not
specified

Not
specified

30+2
– 0

—

30+2
– 0

2 or 4

275±25

—

4

—

Not
specified

(*) During calibration, the stopping distance should be 650 ± 30 mm
(**) During calibration, the stopping distance should be 275 ± 20 mm.

Note: All restraint systems for groups 0 and 0+ shall be tested according to ‘Rearward-facing’ conditions in frontal and

rearwards impact.

Legend:
Test Pulse No 1: As prescribed in Annex 7 — frontal impact.
Test Pulse No 2: As prescribed in Annex 7 — rear impact.
Test Pulse No 3: Deceleration pulse of vehicle subjected to frontal impact.
Test Pulse No 4: Deceleration pulse of vehicle subjected to rear impact.

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8.1.3.5.

Child restraints incorporating the use of additional anchorages

8.1.3.5.1.

In the case of child restraints intended for use as specified in paragraph 2.1.2.3 and incorpo-
rating the use of additional anchorages, the requirement for a frontal impact test, in accordance
with paragraph 8.1.3.4, shall be carried out as follows:

8.1.3.5.2.

For devices with short upper attachment straps, e.g. intended to be attached to the rear parcel
shelf, the upper anchorage configuration on the test trolley shall be as prescribed in Annex 6,
Appendix 3.

8.1.3.5.3.

For devices with long upper attachment straps, e.g. intended for use where there is no rigid par-
cel shelf and where the upper anchorage straps are attached to the vehicle floor, the anchorages
on the test trolley shall be as prescribed in Annex 6, Appendix 3.

8.1.3.5.4.

For devices, intended for use in both configurations, the tests prescribed in paragraphs 8.1.3.5.2
and 8.1.3.5.3 shall be carried out with the exception that, in case of the test carried out in accor-
dance with the requirements of paragraph 8.1.3.5.3 above, only the heavier manikin shall be
used.

8.1.3.5.5.

For rearward-facing devices, the lower anchorage of configuration on the test trolley shall be as
prescribed in Annex 6, Appendix 3.

8.1.3.6.

Test manikins

8.1.3.6.1.

The child restraint and manikins shall be installed in such a way that the requirements of para-
graph 8.1.3.6.3 are met.

8.1.3.6.2.

The child restraint shall be tested using the manikins prescribed in Annex 8 to this Regulation.

8.1.3.6.3.

Installation of the manikin.

8.1.3.6.3.1.

The manikin shall be placed so that the gap is between the rear of the manikin and the restraint.
In the case of carry-cots the manikin is placed in a straight horizontal position as close as pos-
sible to the centre line of the carry-cot.

8.1.3.6.3.2.

Place the child chair on the test seat.

Place the manikin in the child chair.

Place a hinged board or a similar flexible device 2,5 cm thick and 6 cm wide and of length equal
to the shoulder height (sitting, Annex 8) less the hip centre height (sitting, in Annex 8 popliteus
height plus half of thigh height, sitting) relevant to the manikin size being tested between the
manikin and the seat back seatback of the chair. The board should follow as closely as possible
the curvature of the chair and its lower end should be at the height of the manikin’s hip joint.

Adjust the belt in accordance with the manufacturer’s instructions, but to a tension of
250 ± 25 N above the adjuster force, with a deflection angle of the strap at the adjuster of
45 ± 5°, or alternatively, the angle prescribed by the manufacturer.

Complete the installation of the child chair to the test seat in accordance with Annex 21 to this
Regulation.

Remove the flexible device.

This only applies to harness restraints and to restraints where the child is restrained by the adult
three-point belt and where a lock-off device is used and does not apply to child restraining
straps connected directly to a retractor.

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8.1.3.6.3.3.

The longitudinal plane passing through the centre line of the dummy shall be set midway
between the two lower belt anchorages, however note shall also be taken of para-
graph 8.1.3.2.1.3. In case of booster cushions to be tested with the manikin representing a
10-year-old child, the longitudinal plane passing through the centre line of the manikin shall
be positioned 75 ± 5 mm to the left or right with regard to the point midway between the two
lower belt anchorages.

8.1.3.6.3.4.

In the case of devices requiring the use of a standard belt, the shoulder strap may be positioned
on the manikin prior to the dynamic test by the use of a light-weight masking tape of sufficient
width and length. In case of rearward facing devices the head may be held against the backrest
of the restraint system using a light-weight masking tape of sufficient length and width. In the
case of rear-facing restraints, it is permitted to use a light-weight masking tape to connect the
dummy’s head to the 100 mm bar or the back of the restraint during the sled acceleration.

8.1.3.7.

Category of manikin to be used

8.1.3.7.1.

Group 0 device:

test using the ‘new-born’ manikin and a manikin of 9 kg;

8.1.3.7.2.

Group 0+ device:

test using the new-born manikin and a manikin of 11 kg;

8.1.3.7.3.

Group I device:

tests using a manikin of mass 9 kg and 15 kg respectively;

8.1.3.7.4.

Group II device:

tests using a manikin of mass 15 kg and 22 kg respectively;

8.1.3.7.5.

Group III device:

tests using a manikin of mass 22 kg and 32 kg respectively.

8.1.3.7.6.

8.1.3.7.7.

If the child restraint system is suitable for two or more mass groups, the tests shall be carried
out using the lightest and heaviest manikins specified above for all the groups concerned. How-
ever, if the configuration of the device alters considerably from one group to the next, for
instance when the configuration of the harness or the harness length is changed, the laboratory
conducting the tests may, if it deems it advisable, add a test with a manikin of intermediate
weight.

If the child restraint system is designed for two or more children, one test shall be carried out
with the heaviest manikins occupying all seat positions. A second test with the lightest and the
heaviest manikins specified above shall be carried out. The tests shall be conducted using the
test seat as shown in Annex 6, Appendix 3, figure 3. The laboratory conducting the tests may,
if it deems it advisable, add a third test with any combination of manikins or empty seat
positions.

8.1.4.

Restraint of booster cushions

Place a cotton cloth on the seating surface of the test bench. Position the booster cushion on
the test bench, position the lower torso body block as described in Annex 22, figure 1, on the
seating surface, fit and apply the 3-point adult safety-belt and tension as prescribed in Annex 21.
With a piece of 25 mm width webbing or similar tied round the booster, apply a load of
250 ± 5 N in the direction of arrow A, see Annex 22, figure 2, in line with the seating surface
of the test bench.

8.2.

Tests of individual components

8.2.1.

Buckle

8.2.1.1.

Opening test under load

8.2.1.1.1.

A child restraint already having been subjected to the dynamic test specified in paragraph 8.1.3
shall be used for this test.

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8.2.1.1.2.

The child restraint shall be removed from the test trolley or the vehicle without opening the
buckle. A load shall be applied to the buckle by direct traction via the strap tied to it so that all
the straps are subjected to the force of 80/n daN; in this ratio ‘n’ is the number of straps linked
to the buckle when it is in a locked position, its minimum is deemed to be 2, if the buckle is
connected to a rigid part. Account must be taken, when the force if applied, of the angle formed
by the buckle and the rigid part during the dynamic test.

8.2.1.1.3.

A load shall be applied at a speed of 400 ± 20 mm/min to the geometric centre of the buckle-
release button along a fixed axis running parallel to the initial direction of motion of the but-
ton; the geometric centre applies to that part of the surface of the buckle to which the release
pressure is to be applied. The buckle shall be secured against a rigid support during the appli-
cation of the opening force.

8.2.1.1.4.

The buckle opening force shall be applied, using a dynamometer or similar device in the man-
ner and direction of normal use. The contact end shall be a polished metal hemisphere with
radius 2,5 ± 0,1 mm.

8.2.1.1.5.

The buckle opening force shall be measured and any failure noted.

8.2.1.2.

Opening test under zero load

8.2.1.2.1.

A buckle assembly which has not previously been subjected to a load shall be mounted and
positioned under a ‘no load’ condition.

8.2.1.2.2.

The method of measuring the buckle opening force shall be as prescribed in paragraphs 8.2.1.1.3
and 8.2.1.1.4.

8.2.1.2.3.

The buckle opening force shall be measured.

8.2.1.3.

Strength test

8.2.1.3.1.

For the strength test two samples have to be used. All adjusters, except for adjusters mounted
directly on a child restraint are included in the test.

8.2.1.3.2.

Annex 20 shows a typical device for a buckle strength test. The buckle is placed on the upper
round plate (A) within the relief. All adjacent straps have a length of at least 250 mm and are
arranged hanging down from the upper plate respective to their position at the buckle. The free
strap ends are then wound round the lower round plate (B) until they come out at the plate’s
inner opening. All straps have to be vertical between A and B. The round clamping plate (C) is
then lightly clamped against the lower face of (B), still allowing a certain strap movement
between them. With a small force at the tensile machine the straps are tensioned and pulled
between (B) and (C) until all straps are loaded respective to their arrangement. The buckle must
stay free from plate (A) or any parts at (A) during this operation and the test itself. (B) and (C)
are then clamped firmly together and the tensile force is increased at a traverse speed of
100 ± 20 mm/min until the required values are reached.

8.2.2.

Adjusting device

8.2.2.1.

Ease of adjustment

8.2.2.1.1.

When testing a manual adjusting device, the strap shall be drawn steadily through the adjusting
device, having regard for the normal conditions of use, at a rate of 100 ± 20 mm/min and the
maximum force measured to the nearest integer value of N after the first 25 ± 5 mm of strap
movement.

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8.2.2.1.2.

The test shall be carried out in both directions of strap travel through the device, the strap being
subjected to the full travel cycle 10 times prior to the measurement.

8.2.3.

Microslip test (see Annex 5, figure 3)

8.2.3.1.

The components or devices to be subjected to the microslip test shall be kept for a minimum of
24 hours before testing in an atmosphere having a temperature of 20 ± 5 °C and a relative
humidity of 65 ± 5 per cent. The test shall be carried out at a temperature between 15 and 30 °C.

8.2.3.2.

The free end of the strap shall be arranged in the same configuration as when the device is in
use in the vehicle, and shall not be attached to any other part.

8.2.3.3.

8.2.3.4.

8.2.3.5.

The adjusting device shall be placed on a vertical piece of strap one end of which bears a load
of 50 ± 0,5 N (guided in a manner which prevents the load from swinging and the strap from
twisting). The free end of the strap from the adjusting device shall be mounted vertically upwards
or downwards as it is in the vehicle. The other end shall pass over a deflector roller with its hori-
zontal axis parallel to the plane of the section of strap supporting the load, the section passing
over the roller being horizontal.

The device being tested shall be arranged in such a way that its centre, in the highest position to
which it can be raised, is 300 ± 5 mm from a support table, and the load of 50 N shall be
100 ± 5 mm from that support table.

20 ± 2 pre-test cycles shall then be completed and 1 000 ± 5 cycles shall then be completed at
a frequency of 30 ± 10 cycles per minute, the total amplitude being 300 ± 20 mm or as speci-
fied in paragraph 8.2.5.2.6.2. The 50 N load shall be applied only during the time correspond-
ing to a shift of 100 ± 20 mm for each half period. Microslip shall be measured from the
position at the end of the 20 pre-test cycles.

8.2.4.

Retractor

8.2.4.1.

Retracting force

8.2.4.1.1.

The retracting forces shall be measured with the safety belt assembly, fitted to a manikin as for
the dynamic test prescribed in paragraph 8.1.3. The strap tension shall be measured at the point
of contact with (but just clear of) the manikin while the strap is being retracted at the approxi-
mate rate of 0,6 m/min.

8.2.4.2.

Durability of retractor mechanism

8.2.4.2.1.

The strap shall be withdrawn and allowed to retract for the required number of cycles at a rate
of not more than 30 cycles per minute. In the case of emergency-locking retractors, a jolt to
lock the retractor shall be introduced at each fifth cycle. The jolts occur in equal numbers at
each of five different extractions, namely, 90, 80, 75, 70 and 65 per cent of the total length of
the strap on the retractor. However, where the length of the strap exceeds 900 mm the above
percentages shall be related to the final 900 mm of strap which can be withdrawn from the
retractor.

8.2.4.3.

Locking of emergency-locking retractors

8.2.4.3.1.

The retractor shall be tested once for locking, when the strap has been unwound to its full length
less 300 ± 3 mm.

8.2.4.3.2.

In the case of a retractor actuated by strap movement, the extraction shall be in the direction in
which it normally occurs when the retractor is installed in a vehicle.

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8.2.4.3.3.

When retractors are being tested for sensitivity to vehicle accelerations, they shall be tested at
the above extraction length in both directions along two mutually perpendicular axes which are
horizontal if the retractors are to be installed in a vehicle as specified by the child restraint
manufacturer. When this position is not specified, the testing authority shall consult the child
restraint manufacturer. One of these test directions shall be chosen by the technical service con-
ducting the approval tests to give the most adverse conditions with respect to actuation of the
locking mechanism.

8.2.4.3.4.

The design of the apparatus used shall be such that the required acceleration is given at an aver-
age rate of increase of acceleration of at least 25 g/s (*).

8.2.4.3.5.

For testing compliance with the requirements of paragraphs 7.2.3.2.1.3 and 7.2.3.2.1.4 the
retractor shall be mounted on a horizontal table and the table tilted at a speed not exceeding 2E
per second until locking has occurred. The test shall be repeated with tilting in other directions
to ensure that the requirements are fulfilled.

8.2.4.4.

Corrosion test

8.2.4.4.1.

The corrosion test is described in paragraph 8.1.1 above.

8.2.4.5.

Dust resistance test

8.2.4.5.1.

The retractor shall be positioned in a test chamber as described in Annex 3 to this Regulation.
It shall be mounted in an orientation similar to that in which it is mounted in the vehicle. The
test chamber shall contain dust as specified in paragraph 8.2.4.5.2 below. A length of 500 mm
of the strap shall be extracted from the retractor and kept extracted, except that it shall be sub-
jected to 10 complete cycles of retraction and withdrawal within one or two minutes after each
agitation of the dust. For a period of five hours, the dust shall be agitated every 20 minutes for
five seconds by compressed air free of oil and moisture at a gauge pressure of 5,5 ± 0,5 bars
entering through an orifice 1,5 ± 0,1 mm in diameter.

8.2.4.5.2.

The dust used in the test described in paragraph 8.2.4.5.1 shall consist of about 1 kg of dry
quartz. The particle size distribution shall be as follows:

(a) passing 150 μm aperture, 104 μm wire diameter: 99 to 100 per cent;

(b) passing 105 μm aperture, 64 μm wire diameter: 76 to 86 per cent;

(c) passing 75 μm aperture, 52 μm wire diameter: 60 to 70 per cent.

8.2.5.

Static test for straps

8.2.5.1.

Strap strength test

8.2.5.1.1.

Each test shall be carried out on two new samples of strap, conditioned as specified in
paragraph 7.2.4.

8.2.5.1.2.

Each strap shall be gripped between the clamps of a tensile strength-testing machine. The
clamps shall be so designed as to avoid breakage of the strap at or near them. The speed of
traverse shall be 100 ± 20 mm/min. The free length of the specimen between the clamps of the
machine at the start of the test shall be 200 mm ± 40 mm.

8.2.5.1.3.

The tension shall be increased until the strap breaks and the breaking load noted.

8.2.5.1.4.

If the strap slips or breaks at or within 10 mm of either of the clamps, the test shall be invalid
and a new test shall be carried out on another specimen.

(*) g = 9,81 m/s2.

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8.2.5.2.

Samples out from straps, as referred to in paragraph 3.2.3, shall be conditioned as follows:

8.2.5.2.1.

Room conditioning

8.2.5.2.1.1.

The strap shall be kept for 24 ± 1 hours in an atmosphere having a temperature of 23 ± 5° and
a relative humidity of 50 ± 10 per cent. If the test is not carried out immediately after condi-
tioning, the specimen shall be placed in a hermetically closed receptacle until the test begins.
The breaking load shall be determined within five minutes after removal of the strap from the
conditioning atmosphere or from the receptacle.

8.2.5.2.2.

Light conditioning

8.2.5.2.2.1.

The provisions of Recommendation ISO/105-B02(1978), shall apply. The strap shall be exposed
to light for the time necessary to produce fading of Standard Blue Dye No 7 to a contrast equal
to Grade 4 on the grey scale.

8.2.5.2.2.2. After exposure, the strap shall be kept for a minimum of 24 hours in an atmosphere having a
temperature of 23E ± 5 °C and a relative humidity of 50 ± 10 per cent. The breaking load shall
be determined within five minutes after the removal of the strap from the conditioning
installation.

8.2.5.2.3.

Cold conditioning

8.2.5.2.3.1.

The strap shall be kept for a minimum of 24 hours in an atmosphere having a temperature of
23 ± 5 °C and a relative humidity of 50 ± 10 per cent.

8.2.5.2.3.2.

The strap shall then be kept for 90 ± 5 minutes on a plain surface in a low-temperature cham-
ber in which the air temperature is – 30 ± 5 °C. It shall then be folded and the fold shall be
loaded with a weight of 2 ± 0,2 kg previously cooled to – 30 ± 5 °C. When the strap has been
kept under load for 30 ± 5 minutes in the same low-temperature chamber, the weight shall be
removed and the breaking load shall be measured within five minutes after removal of the strap
from the low-temperature chamber.

8.2.5.2.4.

Heat conditioning

8.2.5.2.4.1.

The strap shall be kept for 180 ± 10 minutes in a heating-cabinet atmosphere having a tem-
perature of 60 ± 5 °C and a relative humidity 65 ± 5 per cent.

8.2.5.2.4.2.

The breaking load shall be determined within five minutes after removal of the strap from the
heating cabinet.

8.2.5.2.5.

Exposure to water

8.2.5.2.5.1.

The strap shall be kept fully immersed for 180 ± 10 minutes in distilled water, at a temperature
of 20 ± 5 °C, to which a trace of wetting agent has been added. Any wetting agent suitable for
the fibre being tested may be used.

8.2.5.2.5.2.

The breaking load shall be determined within 10 minutes after removal of the strap from the
water.

8.2.5.2.6.

Abrasion conditioning

8.2.5.2.6.1.

The components or devices to be submitted to the abrasion test shall be kept for a minimum of
24 hours before testing in an atmosphere having a temperature of 23 ± 5 °C and a relative
humidity of 50 ± 10 per cent. The room temperature during the testing shall be between
15° and 30 °C.

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8.2.5.2.6.2.

The table below sets out the general conditions for each test:

Type 1 procedure

Type 2 procedure

Load (N)

10 ± 0,1

5 ± 0,05

Cycles per minute

Cycles (No)

30 ± 10

30 ± 10

1 000 ± 5

5 000 ± 5

Where there is insufficient strap to test over 300 mm of shift, the test may be applied over a
shorter length subject to a minimum of 100 mm.

8.2.5.2.6.3.

Particular test conditions

8.2.5.2.6.3.1. Type 1 procedure: for cases where the strap slides through the quick adjusting device. The 10 N
load shall be vertically and permanently applied on one of the straps. The other strap, set hori-
zontally, shall be attached to a device, giving the webbing a back and forth motion. The adjust-
ing device shall be so placed that the horizontal strap of the webbing remains under tension
(see Annex 5, figure 1).

8.2.5.2.6.3.2. Type 2 procedure: for cases where the strap changes direction in passing through a rigid part.
During this test, the angles of both webbing straps shall be as shown in Annex 5, figure 2.
The 5 N load shall be permanently applied. For cases where the strap changes direction more
than once in passing through a rigid part, the load of 5 N may be increased so as to achieve the
prescribed 300 mm of strap movement through that rigid part.

8.2.6.

Lock-off Devices

8.2.6.1.

Class A Devices

The child restraint and the largest manikin for which the child restraint is intended shall be set
up as shown in Figure 5 below. The webbing used shall be as specified in Annex 13 to this
Regulation. The lock-off shall be fully applied and a mark made on the belt where the belt enters
the lock-off. The force gauges shall be attached to the belt via a D ring, and a force equal to twice
(± 5 per cent) the mass of the heaviest dummy of group I shall be applied for at least one sec-
ond. The lower position shall be used for lock-offs in position A and the upper position for
lock-offs in position B. The force shall be applied for a further 9 times. A further mark shall be
made on the belt where it enters the lock-off and the distance between the two marks shall be
measured. During this test, the retractor must be unlocked.

Figure 5

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8.2.6.2.

Class B Devices

The child restraint shall be firmly secured and webbing, as specified in Annex 13 to this Regu-
lation, shall be passed through the lock-off and frame following the routing described in the
manufacturer’s instructions. The belt shall pass through the testing equipment as described in
Figure 6 below and be attached to a mass of 5,25 ± 0,05 kg. There shall be 650 ± 40 mm of
free webbing between the mass and the point where the webbing leaves the frame. The lock-off
shall be fully applied and a mark made on the belt where it enters the lock-off. The mass shall
be raised and released so that it falls freely over a distance of 25 ± 1 mm. This shall be repeated
100 times ± 2 at a frequency of 60 ± 2 cycles per minute, to simulate the jerking action of a
child restraint in a car. A further mark shall be made on the belt where it enters the lock-off and
the distance between the two marks shall be measured. The lock-off device must cover the full
width of the webbing in the installed condition with 15 kg dummy installed. This test is to be
conducted using the same webbing angles as those formed in normal use. The free end of the
lap belt portion shall be fixed. The test shall be conducted with the child restraint system firmly
attached to the test bench used in the overturning or dynamic test. The loading strap can be
attached to the simulated buckle.

Figure 6: Schematic layout of Class B Lock-off test

8.2.7.

Conditioning test for adjusters mounted directly on a child restraint

Install the largest dummy for which the restraint is intended, as if for the dynamic test, includ-
ing the standard slack as specified in paragraph 8.1.3.6. Mark a reference line on the webbing
where the free end of the webbing enters the adjuster.

Remove the dummy and place the restraint in the conditioning rig shown in Figure 1, Annex 19.

The webbing must be cycled for a total distance of not less than 150 mm through the adjuster.
This movement shall be such that at least 100 mm of webbing on the side of the reference line
towards the free end of the webbing and the remainder of the moving distance (approx. 50 mm)
on the integral harness side of the reference line moves through the adjuster.

If the length of webbing from the reference line to the free end of the webbing is insufficient for
the movement described above, the 150 mm of movement through the adjuster shall be from
the fully extended harness position.

The frequency of cycling shall be 10 ± 1 cycles/minute, with a velocity on ‘B’ of
150 ± 10 mm/sec.

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8.2.8.

Temperature test

8.2.8.1.

The components specified in paragraph 7.1.5.1 shall be exposed to an environment over a water
surface within a closed space, the environment having a temperature of not less than 80 °C, for
a continuous period of not less than 24 hours and then cooled in an environment having a tem-
perature not exceeding 23 °C. The cooling period shall immediately be followed by three con-
secutive 24 hours cycles with each cycle comprising the following consecutive sequences:

(i)

an environment having a temperature of not less than 100 °C shall be maintained for a con-
tinuous period of 6 hours and this environment shall be attained within 80 minutes of
commencement of the cycle; then

(ii) an environment having a temperature of not more than 0 °C shall be maintained for a con-
tinuous period of 6 hours and this environment shall be attained within 90 minutes; then

(iii) an environment having a temperature of not more than 23 °C shall be maintained during

the remainder of the 24 hour cycle.

8.3.

Certification of Test Bench Cushion

8.3.1.

8.3.2.

The test seat cushion shall be certified when new to establish initial values for impact penetra-
tion and peak deceleration, and then after every 50 dynamic tests or at least every month,
whichever is the sooner, or before each test if the test rig is used frequently.

The certification and measuring procedures shall correspond to those specified in the latest ver-
sion of ISO 6487; the measuring equipment shall correspond to the specification of a data chan-
nel with a channel filter class (CFC) 60.

Using the test device defined in Annex 17 to this Regulation, conduct 3 tests, 150 ± 5 mm from
the front edge of the cushion on the centre line and at 150 ± 5 mm in each direction from the
centre line.

Place the device vertically on a flat rigid surface. Lower the impact mass until it contacts the sur-
face and set the penetration marker to the zero position. Place the device vertically above the
test point, raise the mass 500 ± 5 mm and allow it to fall freely to make impact on the seat sur-
face. Record the penetration and the deceleration curve.

8.3.3.

The peak values recorded shall not deviate by more than 15 per cent from the initial values.

8.4.

High-speed films and videos

8.4.1.

8.4.2.

In order to determine the behaviour of the manikin and its displacements, all dynamic tests shall
be filmed with cine film or video at a frequency of at least 400 frames/second.

Suitable calibration markings shall be mounted firmly on the trolley or in the vehicle structure
so that the displacement of the manikin can be determined.

8.5.

Electrical measurements

The measuring procedures shall correspond to those defined in the latest edition of ISO 6487.
The channel frequency classes shall be:

Type of measurement

Belt loads

Head(form) acceleration

Chest Acceleration

Trolley Acceleration

CFC (Hz)

60

1 000

180

60

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The sample rate should be a minimum of eight times the FH.(i.e, in installations with class 1 000
pre-sample filters, this corresponds to a minimum sampling rate of approx. 8 000 samples per
second per channel).

9.

9.1.

9.2.

9.3.

10.

10.1.

TEST REPORT

The test report shall record the results of all tests and measurements and the trolley speeds, the
place occupied by the buckle during the test, if it can be varied, and any failure or breakage.

If provisions relating to anchorages contained in Annex 6, Appendix 3, to this Regulation have
not been respected, the test report shall describe how the child restraint is installed and shall
specify important angles and dimensions.

When the child restraint is tested in a vehicle or vehicle structure, the test report shall specify
the manner of attaching the vehicle structure to the trolley, the position of the child restraint
and vehicle seat and the inclination of the vehicle seat-back.

MODIFICATIONS AND EXTENSION OF APPROVAL OF A TYPE OF CHILD RESTRAINT SYSTEM

Every modification of a child restraint shall be notified to the administrative department which
approved the child restraint. The department may then either:

10.1.1.

consider that the modifications made are unlikely to have an appreciable adverse effect and that
in any case the child restraint still complies with the requirements; or

10.1.2.

require a further test report from the technical service responsible for conducting the tests.

10.2.

10.3.

Confirmation or refusal of approval, specifying the alterations, shall be communicated by the
procedure specified in paragraph 5.3 above to the Parties to the Agreement applying this
Regulation.

The competent authority issuing the extension of approval shall assign a series number for such
an extension and inform thereof the other Parties to the 1958 Agreement applying this Regu-
lation by means of a communication form conforming to the model in Annex 1 to this
Regulation.

11.

CONFORMITY OF PRODUCTION

11.1.

11.2.

11.3.

12.

12.1.

The conformity of production procedures shall comply with those set out in the Agreement,
appendix 2 (E/ECE/324-E/ECE/TRANS/505/Rev.2), with the following requirements:

Any child restraint system approved to this Regulation shall be so manufactured as to conform
to the type approved by meeting the requirements set forth in paragraphs 6 to 8 above.

The minimum requirements for conformity of production control procedures set forth in
Annex 16 to this Regulation shall be complied with.

The authority which has granted type approval may at any time verify the conformity control
methods applied in each production facility. The normal frequency of these verifications shall
be twice a year.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

The approval granted in respect of a child restraint pursuant to this Regulation may be with-
drawn if a child restraint bearing the particulars referred to in paragraph 5.4 fails to pass the
random checks described in paragraph 11 or does not conform to the type approved.

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12.2.

13.

13.1.

If a Party to the Agreement which applies this Regulation withdraws an approval it has previ-
ously granted, it shall forthwith so notify the other Contracting Parties applying this Regulation
by means of a communication form conforming to the model in Annex 1 to this Regulation.

PRODUCTION DEFINITELY DISCONTINUED

If the holder of the approval completely ceases to manufacture a specific type of child restraint
under this Regulation, he shall inform thereof the authority which granted the approval. Upon
receiving the relevant communication, that authority shall inform the other Parties to the Agree-
ment which apply this Regulation by means of a communication form conforming to the model
in Annex 1 to this Regulation.

14.

INSTRUCTIONS

14.1.

Each child restraint shall be accompanied by instructions in the language of the country where
the device is sold with the following content:

14.2.

Instructions on installation shall include the following points:

14.2.1.

For ‘universal’ category child restraints the following label shall be clearly visible at the point of
sale without removing the packing:

Notice

1. This is a ‘Universal’ child restraint. It is approved to Regulation No 44, 03 series of

amendments, for general use in vehicles and it will fit most, but not all, car seats.

2. A correct fit is likely if the vehicle manufacturer has declared in the vehicle hand-
book that the vehicle is capable of accepting a ‘Universal’ child restraint for this age
group.

3. This child restraint has been classified as ‘Universal’ under more stringent conditions

than those which applied to earlier designs which do not carry this notice.

4.

If in doubt, consult either the child restraint manufacturer or the retailer.

14.2.2.

For ‘restricted’ and ‘semi-universal’ category child restraints the following information shall be
clearly visible at the point of sale without removing the packing:

This Child Restraint is classified for ‘(Restricted/Semi-universal)’ use and is suitable for
fixing into the seat positions of the following cars

CAR
(Model)

FRONT

Yes

REAR

Outer

Centre

Yes

No

Seat positions in other cars may also be suitable to accept this child restraint. If in doubt,
consult either the child restraint manufacturer or the retailer.

14.2.3.

For ‘Specific vehicle’ category child restraints information on the applicable vehicle shall be
clearly visible at the point of sale without removing the packing.

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14.2.4.

If the device requires an adult safety-belt, the following wording should also be clearly visible at
the point of sale without removing the packing:

‘Only suitable if the approved vehicles are fitted with lap/3 point/static/with retractor safety-
belts, approved to UN/ECE Regulation No 16 or other equivalent standards.’ (Strike out what
does not apply.)

In the case of carry-cot restraints a list of carry-cots for which the device is suited should be
included.

14.2.5.

The child restraint manufacturer shall provide information on the packing box as to the address
to which the customer can write to obtain further information on fitting the child restraint in
specific cars.

14.2.6.

the method of installation illustrated by photographs and/or very clear drawings;

14.2.7.

the user shall be advised that the rigid items and plastic parts of a child restraint must be so
located and installed that they are not liable, during everyday use of the vehicle, to become
trapped by a movable seat or in a door of the vehicle;

14.2.8.

the user should be advised to use carry-cots perpendicular to the longitudinal axis of the vehicle;

14.2.9.

in the case of rearward facing systems the customer shall be advised not to use them in seating
positions where there is an airbag installed. This information shall be clearly visible at the point
of sale without removing the packaging;

14.2.10.

for ‘Special Needs Restraints’ the following information shall be clearly visible at the point of
sale without removing the packing:

This ‘Special Needs Restraint’ is designed to give extra support to children who have dif-
ficulty in sitting correctly in conventional seats. Always consult your doctor to make sure
that this restraint system is suitable for your child.

14.3.

The instructions for use shall include the following points:

14.3.1.

the weight groups for which the device is intended:

14.3.2.

14.3.3.

when the device is used in combination with an adult safety-belt to be used by means of the
following wording: Only suitable for use in the listed vehicles fitted with lap/3 point/static/with
retractor safety-belts, approved to ECE Regulation No 16 or other equivalent standards. (Strike
out what does not apply.)

the method of use shall be shown by photographs and/or very clear drawings. In the case of
seats that can be used both forward and rear-facing, clear warning must be given to keep the
restraint rear-facing until the child’s mass is greater than a stated limit, or some other dimen-
sional criterion is exceeded.

14.3.4.

the operation of the buckle and adjusting devices shall be explained clearly;

14.3.5.

it shall be recommended that any straps holding the restraint to the vehicle should be tight, that
any straps restraining the child should be adjusted to the child’s body, and that straps should
not be twisted;

14.3.6.

the importance of ensuring that any lap strap is worn low down, so that the pelvis is firmly
engaged, shall be stressed;

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14.3.7.

it shall be recommended that the device should be changed when it has been subject to violent
stresses in an accident;

14.3.8.

instructions for cleaning shall be given;

14.3.9.

a general warning shall be given to the user concerning the danger of making any alterations or
additions to the device without the approval of the competent authority, and a danger of not
following closely the installation instructions provided by the child restraint manufacturer;

14.3.10.

when the chair is not provided with a textile cover, it shall be recommended that the chair
should be kept away from sunlight, otherwise it may be too hot for the child’s skin;

14.3.11.

it shall be recommended that children are not left in their child restraint system unattended;

14.3.12.

it shall be recommended that any luggage or other objects liable to cause injuries in the event
of a collision shall be properly secured.

14.3.13.

It shall be recommended that:

(a) The child restraint must not be used without the cover.

14.3.14.

14.3.15.

14.3.16.

14.3.17.

15.

15.1.

(b) The seat cover should not be replaced with any other than the one recommended by the
manufacturer, because the cover constitutes an integral part of the restraint performance.

There shall be a text or a diagram indicating how a user can identify an unsatisfactory position
of the adult safety-belt buckle relative to the main load bearing contact points on the restraint.
The user shall be advised to contact the child restraint manufacturer if in doubt about this point.

If the child restraint offers an alternative load bearing contact point, its use shall be described
clearly. The user shall be informed about how to judge if use of this alternative route is satis-
factory. The user shall be advised to contact the child restraint manufacturer if in doubt about
this point. The user shall be clearly advised to begin the child restraint installation, in vehicle
seating positions categorised as “Universal” in the vehicle owner’s manual, by using the primary
belt route.

There shall be provisions made so that the instructions can be retained on the child restraint for
its life period or in the vehicle handbook in the case of built-in restraints.

There shall be explicit warning not to use any load bearing contact points other than those
described in the instructions and marked in the child restraint.

NAMES AND ADDRESS OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL
TESTS, AND OF ADMINISTRATIVE DEPARTMENTS

The Parties to the Agreement which apply this Regulation shall communicate to the United
Nations secretariat the names and addresses of the technical services responsible for conduct-
ing approval tests and of the administrative departments which grant approval and to which
forms certifying approval or extension or refusal or withdrawal of approval, issued in other
countries, are to be sent.

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ANNEX 1

COMMUNICATION

(Maximum format: A4 (210 × 297 mm))

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ANNEX 2

ARRANGEMENTS OF APPROVAL MARKS

The child restraint system bearing the above approval mark is a device capable of being fitted in any vehicle and of being
used for the 9 kg-36 kg mass range (Groups I to III); it is approved in the Netherlands (E4) under the number 032439. The
approval number indicates that the approval was granted in accordance with the requirements of the Regulation concerning
the approval of restraining devices for child occupants of power-driven vehicles (‘child restraint system’) as amended by the
03 series of amendments.

The child restraint system bearing the above approval mark is a device not capable of being fitted in every vehicle and of
being used for the 9 kg-25 kg mass range (Groups I and II); it is approved in the Netherlands (E4) under the number 032439.
The approval number indicates that the approval was granted in accordance with the requirements of the Regulation con-
cerning the approval of restraining devices for child occupants of power-driven vehicles (‘child restraint system’) as amended
by the 03 series of amendments. The symbol ‘Y’ indicates that the system contains a crotch strap.

Note: The approval number and additional symbol(s) must be placed close to the circle and either above or below the ‘E’ or
to left or right of it. The digits of the approval number must be on the same side of the ‘E’ and oriented in the same
direction. The additional symbol(s) must be diametrically opposite the approval number. The use of Roman numerals
as approval numbers should be avoided so as to prevent any confusion with other symbols.

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ANNEX 3

ARRANGEMENT OF APPARATUS FOR DUST RESISTANCE TEST

(dimensions in millimetres)

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ANNEX 4

CORROSION TEST

1.

TEST APPARATUS

1.1. The apparatus shall consist of a mist chamber, a salt solution reservoir, a supply of suitably conditioned compressed
air, one or more atomizing nozzles, sample supports, provision for heating the chamber, and necessary means of con-
trol. The size and detailed construction of the apparatus shall be optional, provided that the test conditions are met.

1.2.

It is important to ensure that drops of solution accumulated on the ceiling or cover of the chamber do not fall on test
samples.

1.3. Drops of solution which fall from test samples shall not be returned to the reservoir for respraying.

1.4. The apparatus shall not be constructed of materials that will affect the corrosiveness of the mist.

2.

LOCATION OF TEST SAMPLES IN THE MIST CABINET

2.1. Samples, except retractors, shall be supported or suspended between 15° and 30° from the vertical and preferably par-
allel to the principal direction of horizontal flow of mist through the chamber, based upon the dominant surface being
tested.

2.2. Retractors shall be supported or suspended so that the axes of the reel for storing the strap shall be perpendicular to
the principal direction of horizontal flow of mist through the chamber. The strap opening in the retractor shall also be
facing in this principal direction.

2.3. Each sample shall be so placed as to permit free settling of mist on all samples.

2.4. Each sample shall be so placed as to prevent salt solution from one sample dripping on to any other sample.

3.

SALT SOLUTION

3.1. The salt solution shall be prepared by dissolving 5 ± 1 parts by mass of sodium chloride in 95 parts of distilled water.
The salt shall be sodium chloride substantially free of nickel and copper and containing not more than 0,1 per cent of
sodium iodide and not more than 0,3 per cent of total impurities in the dry state.

3.2. The solution shall be such that, when atomized at 35 °C, the collected solution is in the pH range of 6,5 to 7,2.

4.

COMPRESSED AIR

4.1. The compressed air supply to the nozzle or nozzles for atomizing the salt solution shall be free of oil and dirt, and

maintained at a pressure between 70 kN/m2 and 170 kN/m2.

5.

CONDITIONS IN THE MIST CHAMBER

5.1. The exposure zone of the mist chamber shall be maintained at 35 ± 5 °C. At least two clean mist collectors shall be
placed within the exposure zone, so that no drops of solution from the test samples or any other sources are collected.
The collectors shall be placed near the test samples, one as near as possible to any nozzle and one as far as possible
from all nozzles. The mist shall be such that, for each 80 cm2 of horizontal collecting area, from 1,0 to 2,0 ml of solu-
tion per hour, when measured over an average of at least 16 hours, is collected in each collector.

5.2. The nozzle or nozzles shall be directed or baffled, so that the spray does not impinge directly on the test samples.

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ANNEX 5

ABRASION AND MICROSLIP TEST

Figure 1: Procedure type 1

Example a

Example b

Examples of test arrangements corresponding to the type of adjusting device.

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Figure 2: Procedure type 2

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Figure 3: Microslip test

The load of 50 N on the testing device shall be vertically guided in such a way as to prevent load-swing and twisting of the
strap.

The attaching device shall be fixed to the load of 50 N in the same manner as in the vehicle.

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ANNEX 6

DESCRIPTION OF TROLLEY

1.

TROLLEY

1.1.

For tests on safety belts, the trolley, carrying the seat only, shall have a mass of 400 ± 20 kg. For tests on restraint
systems, the trolley with the attached vehicle structure shall have a mass of 800 kg. However, the total mass of
the trolley and vehicle structure may, if necessary, be increased by increments of 200 kg. In no case shall the total
mass differ from the nominal value by more than ± 40 kg.

2.

CALIBRATION SCREEN

2.1.

A calibration screen shall be attached firmly to the trolley with a movement limit line plainly marked on it to
enable compliance with forward movement criteria to be determined from photographic records.

3.

SEAT

3.1.

The seat shall be constructed as follows:

3.1.1.

A rigid back, fixed, dimensions of which are given in Appendix 1 to this Annex. The lower part and the upper
part is made of a 20 mm diameter tube;

3.1.2.

Rigid seating, dimensions of which are given in Appendix 1 to this Annex. The rear part of the seating is made
from a rigid sheet metal, the upper edge of which is a 20 mm diameter tube. The front part of the seating is also
made of a 20 mm diameter tube;

3.1.3.

For access to the anchor brackets, openings shall be made at the rear of the cushion of the seat, as prescribed in
Appendix 1 to this Annex;

3.1.4.

The width of the seat shall be 800 mm;

3.1.5.

The back and the seating shall be covered with polyurethane foam, the characteristics of which are given in
Table 1. The dimensions of the cushion are given in Appendix 1 to this Annex;

Table 1

Density according to ISO 485 (kg/m3)

Bearing strength according to ISO 2439B (N)

p – 25 %

p – 40 %

Bearing strength factor according to ISO 3386 (kPa)

Elongation at rupture according to ISO 1798 (%)

Breaking strength according to ISO 1798 (kPa)

Compression set according to ISO 1856 (%)

43

125

155

4

180

100

3

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3.1.6.

The polyurethane foam shall be covered with a sun shade cloth, made of poly-acrylate fibre, the characteristics of
which are given in Table 2.

Table 2

Specific mass (g/m2)

Breaking strength according to DIN 53587 on test specimen 50 mm wide:

lengthwise (kg)

breadthwise (kg)

3.1.7.

Covering the seat and the seat back (1)

290

120

80

3.1.7.1.

The seat foam cushion is produced out of a square foam block (800 × 575 ×135 mm) in such a way (see Figure 1
of Appendix 1 to this Annex) that its shape resembles the shape of the aluminium bottom-plate specified in
Figure 2 of Appendix 1 to this Annex.

3.1.7.2.

Six holes are drilled in the bottom-plate in order to fasten it to the trolley with bolts. The holes are drilled along-
side the longest side of the plate, three on each side, their position being dependent on the construction of the
trolley. Six bolts are put through the holes. It is recommended to glue the bolts on the plate with an appropriate
adhesive. Afterwards, the bolts are fastened with nuts.

3.1.7.3.

The cover material (1 250 × 1 200 mm, see Figure 3 of Appendix 1 to this Annex) is cut across the width in such
a way that it is not possible for the material to overlap after covering. There should be a gap of about 100 mm
between the edges of the cover material. Therefore the material has to be cut at about 1 200 mm.

3.1.7.4.

The cover material is marked with two lines which run across the width. They are drawn 375 mm from the cen-
treline of the cover material (see Figure 3 of Appendix 1 to this Annex).

3.1.7.5.

The seat foam cushion is placed upside down on the cover material with the aluminium bottom-plate on top.

3.1.7.6. On both sides the cover material is stretched until the lines drawn on it match the edges of the aluminium bottom-
plate. At each bolt position, small incisions are made and the cover material is pulled over the bolts.

3.1.7.7. At the position of the grooves in the bottom-plate and in the foam, the cover material should be incised.

3.1.7.8.

The cover is glued to the aluminium plate with a flexible glue. The nuts have to be removed before gluing.

3.1.7.9.

The flaps on the side are folded onto the plate and are glued as well.

3.1.7.10. The flaps in the grooves are folded inside and taped with a strong tape.

3.1.7.11. The flexible glue has to dry for at least 12 hours.

3.1.7.12. The seat back cushion is covered in exactly the same way as the seat, only the lines on the cover material

(1 250 × 850 mm) are drawn 320 mm apart from the centreline of the material.

3.1.8.

Line Cr is coincident with the intersection line between the top plane of the seat and the front lane of the seat
back.

3.2.

Test of rearward-facing devices

3.2.1.

A special frame shall be fitted on the trolley in order to support the child restraint as shown in figure 1.

(1) Details of materials used in this process can be obtained from TNO (Research Institute for Road Vehicles), Schoemakerstraat 97, 2628 VK

Delft, The Netherlands.

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3.2.2.

A steel tube shall be attached firmly to the trolley in such a way that a load of 5 000 ± 50 N applied horizontally
to the centre of the tube does not cause a movement greater than 2 mm.

3.2.3.

The dimensions of the tube shall be: 500 × 100 × 90 mm.

Figure 1: Arrangement for testing a rearward-facing device

4.

STOPPING DEVICE

4.1.

The device consists of two identical absorbers mounted in parallel.

4.2.

If necessary, an additional absorber shall be used for each 200 kg increase in nominal mass. Each absorber shall
comprise:

4.2.1.

an outer casing formed from a steel tube;

4.2.2.

a polyurethane energy-absorber tube;

4.2.3.

a polished-steel olive-shaped knob penetrating into the absorber; and

4.2.4.

a shaft and an impact plate.

4.3.

The dimensions of the various parts of this absorber are shown in the diagram reproduced in Appendix 2 to this
Annex.

4.4.

The characteristics of the absorbing material are given in Table 3 and Table 4 of this Annex.

4.5.

The stopping device assembly shall be maintained for at least 12 hours at a temperature between 15° and 25 °C
before being used for the calibration tests described in Annex 7 to this Regulation. The stopping device shall, for
each type of test, meet the performance requirements laid down in Annex 7, appendices 1 and 2. For dynamic
tests of a child restraint, the stopping device assembly shall be maintained for at least 12 hours at the same tem-
perature, to within ± 2 °C, as that of the calibration test. Any other device giving equivalent results can be
accepted.

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Table 3

CHARACTERISTICS OF THE ABSORBING MATERIAL ‘A’

(ASTM Method D 735 unless otherwise stated)

Shore hardness A

Breaking strength

Minimum elongation

Module

at 100 % elongation

at 300 % elongation

95 ± 2 at 20 ± 5 °C temperature

Ro 350 kg/cm2

Ao 400 %
110 kg/cm2

240 kg/cm2

Low temperature brittleness (ASTM Method D736)

5 hours at – 55 °C

Compression set (Method B)

22 hours at 70 °C: 45 %

Density at 25 °C

1,05 to 1,10

Ageing in air (ASTM Method D 573)

70 hours at 100 °C:

— Shore hardness: max. variation ± 3

— Breaking strength: decrease < 10 % of Ro

— Elongation: decrease < 10 % of Ao

— Eight: decrease < 1 %

Immersion in oil (ASTM Method No 1 Oil)

70 hours at 100 °C:

— Shore hardness: max. variation ± 4

— Breaking strength: decrease < 15 % of Ro

— Elongation: decrease < 10 % of Ao

— Volume: swelling < 5 %

Immersion in oil (ASTM Method No 3 Oil)

70 hours at 100 °C:

Immersion in distilled water

1 week at 70 °C

— Breaking strength: decrease < 15 % of Ro

— Elongation: decrease < 15 % of Ao

— Volume: swelling < 20 %

Breaking strength: decrease < 35 % of Ro

Elongation: increase < 20 % of Ao

Table 4

CHARACTERISTICS OF THE ABSORBING MATERIAL ‘B’

(ASTM Method 2000 (1980) unless otherwise stated)

Shore hardness A

Breaking strength

Minimum elongation

Module at

at 100 % elongation

at 300 % elongation

88 ± 2 at 20 ± 5 °C temperature

Ro 300 kg/cm2

Ao 400 %
70 kg/cm2

130 kg/cm2

Low temperature brittleness (ASTM Method D736)

5 hours at – 55 °C

Compression set (Method B)

22 hours at 70 °C: 45 %

Density at 25 °C

1,08 to 1,12

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Ageing in air (ASTM Method D 573 (1981))

70 hours at 100 °C:

Immersion in oil (ASTM Method D 471 (1979) Oil
No 1)

Immersion in oil (ASTM Method D 471 (1979) Oil
No 3):

Immersion in distilled water

1 week at 70 °C

— Shore hardness: max. variation ± 3

— Breaking strength: decrease < 10 % of Ro

— Elongation: decrease < 10 % of Ao

— Eight: decrease < 1 %

70 hours at 100 °C:

— Shore hardness: max. variation ± 4

— Breaking strength: decrease < 15 % of Ro

— Elongation: decrease < 10 % of Ao

— Volume: swelling < 5 %

70 hours at 100 °C:

— Breaking strength: decrease < 15 % of Ro

— Elongation: decrease < 15 % of Ao

— Volume: swelling < 20 %

Breaking strength: decrease < 35 % of Ro

Elongation: increase < 20 % of Ao

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ANNEX 6

Appendix 1

Figure 1: Dimensions of the seat and the seat cushions

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Figure 2: Dimensions of the aluminium bottom plate

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Figure 3: Dimensions of the cover material

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Figure 4: 3-Dimensional view of seat

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Appendix 2

Stopping device

Frontal impact dimensions (in mm)

Figure 1

Figure 1a: Material A

Figure 1b: Material B

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Figure 2: Stopping device olive-shaped knob

Figure 3: Stopping device olive-shaped knob

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Stopping device (assembled)

Rear impact

Figure 4

Stopping device Polyurethane tube

Rear impact

Figure 5

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Appendix 3

ARRANGEMENT AND USE OF ANCHORAGES ON THE TEST TROLLEY

1.

The anchorages shall be positioned as shown in the figure below.

2.

Child restraints in the ‘universal’ and ‘restricted’ categories shall use the following anchorage points:

2.1. For child restraints approved for use with lap belts, points A and B;

2.2. For child restraints approved for use with lap and diagonal belts, points A, B0, and C.

3.

4.

5.

6.

7.

8.

Anchorages A, B and D shall be used for child restraints in the ‘semi-universal’ category having only one additional
upper anchorage.

Anchorages A, B, E and F shall be used for child restraints in the ‘semi-universal’ category having two additional upper
anchorages.

Anchorage points R1, R2, R3, R4 and R5 are the additional anchorage points for rearward-facing child restraint sys-
tems in the ‘semi-universal’ category having one or more additional anchorages (see paragraph 8.1.3.5.3).

Except in the case of point C (which represents the pillar loop position), the points, which correspond to the arrange-
ment of the anchorages show where the ends of the belt are to be connected to the trolley or to the load transducer,
as the case may be. The structure carrying the anchorages shall be rigid. The upper anchorages must not be displaced
by more than 0,2 mm in the longitudinal direction when a load of 980 N is applied to them in that direction. The
trolley shall be so constructed that no permanent deformation shall occur in the parts bearing the anchorages during
the test.

For carry-cots in group 0, the points A1 and/or B1 can be used alternatively, as specified by the manufacturer of the
restraint systems. A1 and B1 are located on a transverse line through R1 at a distance of 350 mm from R1.

For testing of child restraints in the ‘universal’ and ‘restricted’ categories, a standard retractor belt, as specified in
Annex 13, shall be fitted to the test seat.

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Figure 1

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Figure 2

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ANNEX 7

CURVE OF THE TROLLEY’S DECELERATION AS A FUNCTION OF TIME

1. The deceleration curve of the trolley weighted with inert masses to produce a total mass of 455 ± 20 kg in the case of
child restraint tests performed in accordance with paragraph 8.1.3.1 of this Regulation, and of 910 ± 40 kg in the case
of child restraint tests performed in accordance with paragraph 8.1.3.2 of this Regulation, where the nominal mass of
the trolley and vehicle structure is 800 kg, must remain, in the case of frontal impact, within the hatched area shown in
Appendix 1 to this Annex, and, in the case of rear impact, within the hatched area shown in Appendix 2 to this Annex.

2.

If necessary, the nominal mass of the trolley and attached vehicle structure may be increased for each increment of
200 kg by an additional inert mass of 28 kg. In no case shall the total mass of the trolley and the vehicle structure
and inert masses differ from the nominal value for calibration tests by more than ± 40 kg. During calibration of the stop-
ping device, the stopping distance shall be 650 ± 30 mm for frontal impact, and 275 ± 20 mm for rear impact.

3. The calibration and measuring procedures shall correspond to those defined in the international standard ISO 6487
(1980), the measuring equipment shall correspond to the specification of a data channel, with a channel frequency class
(CFC) 60.

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Appendix 1

Curves of the trolley deceleration as a function of time

(curve for calibrating stopping device)

Frontal impact

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Appendix 2

Curves of the trolley deceleration as a function of time

(curve for calibrating stopping device)

Rear impact

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ANNEX 8

DESCRIPTION OF MANIKINS

1.

GENERAL

1.1.

The manikins prescribed in this Regulation are described in Appendices 1 to 3 to this Annex, and in technical
drawings produced by the TNO (Research Institute for Road Vehicles), Schoemakerstraat 97,2628 VK Delft, The
Netherlands.

1.2.

Alternative manikins may be used provided that:

1.2.1. Their equivalence can be demonstrated to the satisfaction of the competent authority, and

1.2.2. Their use is recorded in the test report, and in the communication form described in Annex 1 to this Regulation.

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Appendix 1

DESCRIPTION OF THE 9 MONTHS AND 3, 6 AND 10-YEAR MANIKINS

1.

GENERAL

1.1.

The dimensions and masses of the manikins described below are based on the anthropometry of 50th percentile
children aged 9 months and 3, 6 and 10 years respectively.

1.2.

The manikins consist of a metal and polyester skeleton with cast polyurethane body components.

1.3.

For an exploded view of the manikin, see Figure 9.

2.

CONSTRUCTION

2.1.

Head

2.1.1.

The head is made of polyurethane and reinforced by metal strips. Inside the head it is possible to install measuring
equipment on a polyamide block at the centre of gravity.

2.2.

Vertebrae

2.2.1.

Neck vertebrae

2.2.1.1. The neck is made of 5 rings of polyurethane containing a core of polyamide elements. The Atlas-Axis block is made

of polyamide.

2.2.2.

Lumbar vertebrae

2.2.2.1. The five lumbar vertebrae are made of polyamide.

2.3.

Chest

2.3.1.

The skeleton of the chest consists of a tubular steel frame on which the arm joints are mounted. The spine consists
of a steel cable with four threaded terminals.

2.3.2.

The skeleton is coated with polyurethane. Measuring equipment can be housed in the chest cavity.

2.4.

Limbs

2.4.1.

The arms and legs are also made of polyurethane, reinforced by metal elements in the form of square tubes, strips
and plates. The knees and elbows are provided with adjustable hinge joints. The joints of the upper arm and upper
leg consist of adjustable ball and socket joints.

2.5.

Pelvis

2.5.1.

The pelvis is made of glass reinforced polyester also coated with polyurethane.

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2.5.2.

The shape of the upper side of the pelvis, which is important for determining sensitivity to abdominal loading, is
simulated as far as possible from the shape of a child’s pelvis.

2.5.3.

The hip joints are situated just below the pelvis.

2.6.

Assembly of the manikin

2.6.1.

Neck-chest-pelvis

2.6.1.1. The lumbar vertebrae and the pelvis are threaded on to the steel cable and their tension is adjusted by a nut. The
neck vertebrae are mounted and adjusted in the same way. Since the steel cable must not be free to move through
the chest, it must not be possible to adjust the tension of lumbar vertebrae from the neck or vice-versa.

2.6.2.

Head-neck

2.6.2.1. The head may be mounted and adjusted by means of a bolt and nut through the Atlas-Axis block.

2.6.3.

Torso-limbs

2.6.3.1. The arms and legs may be mounted and adjusted to the torso by means of ball and socket joints.

2.6.3.2. For the arm joints the balls are connected to the torso; in the case of the leg joints, they are connected to the legs.

3.

MAIN CHARACTERISTICS

3.1.

Mass

Table 1

Component

9 months

3 years

6 years

10 years

Mass in kg by age group

Head +

2,20

± 0,10

2,70

± 0,10

3,45

± 0,10

3,60

± 0,10

Torso

Upper

Lower

Upper

Lower

3,40

± 0,10

5,80

± 0,15

8,45

± 0,20

12,30

± 0,30

0,70

± 0,05

1,10

± 0,05

1,85

± 0,10

2,00

± 0,10

0,45

± 0,05

0,70

± 0,05

1,15

± 0,05

1,60

± 0,10

1,40

± 0,05

3,00

± 0,10

4,10

± 0,15

7,50

± 0,15

0,85

± 0,05

1,70

± 0,10

3,00

± 0,10

5,00

± 0,15

Total

9,00

± 0,20

15,00

± 0,30

22,00

± 0,50

32,00

± 0,70

3.2.

Principal dimensions

3.2.1.

The principal dimensions, based on figure 1 of this Annex, are given in table 2.

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Principle dimensions of manikin

Figure 1

Table 2

No

Dimensions

1

2

3

4

5

6

7

8

9

Back of buttocks to front knee

Back of buttocks to popliteus, sitting

Centre of gravity to seat

Chest circumference

Chest depth

Distance between shoulder blades

Head width

Head length

Hip circumference, sitting

10

Hip circumference, standing (not shown)

Dimensions in mm by age group

9 months

3 years

6 years

10 years

195

145

180

440

102

170

125

166

510

470

334

262

190

510

125

215

137

174

590

550

378

312

190

580

135

250

141

175

668

628

456

376

200

660

142

295

141

181

780

740

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No

Dimensions

11

12

13

14

15

16

17

18

19

20

21

Hip depth, sitting

Hip width, sitting

Neck width

Seat to elbow

Shoulder width

Eye height sitting

Height, sitting

Shoulder height, sitting

Sole to popliteus, sitting

Stature (not shown)

Thigh height, sitting

4.

ADJUSTMENT OF JOINTS

4.1.

General

Dimensions in mm by age group

9 months

3 years

6 years

10 years

125

166

60

135

216

350

450

280

125

708

70

147

206

71

153

249

460

560

335

205

980

85

168

229

79

155

295

536

636

403

283

180

255

89

186

345

625

725

483

355

1 166

95

1 376

106

4.1.1.

In order to achieve reproducible results using the manikins, it is essential to specify and adjust the friction in the
various joints, the tension in the neck and lumbar cables, and the stiffness of the abdominal insert.

4.2.

Adjustment of the neck cable

4.2.1.

Place the torso on its back in a horizontal plane.

4.2.2. Mount the complete neck assembly without the head.

4.2.3.

Tighten the tensioner nut on the Atlas-Axis block.

4.2.4.

Place a suitable bar or bolt through the Atlas-Axis block.

4.2.5.

Loosen the tensioner nut until the Atlas-Axis block is lowered by 10 ± 1 mm when a load of 50 N directed down-
wards is applied to the bar or bolt through the Atlas-Axis block (see figure 2).

Figure 2

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4.3.

Atlas-Axis joint

4.3.1.

Place the torso on its back in a horizontal plane.

4.3.2. Mount the complete neck and head assembly.

4.3.3.

Tighten the bolt and adjustment nut through the head and the Atlas-Axis block with the head in a horizontal
position.

4.3.4.

Loosen the adjustment nut until the head starts moving (see figure 3).

Figure 3

4.4.

Hip joint

4.4.1.

Place the pelvis on its front in a horizontal plane.

4.4.2. Mount the upper leg without the lower leg.

4.4.3.

Tighten the adjustment nut with the upper leg in a horizontal position.

4.4.4.

Loosen the adjustment nut until the upper leg starts moving.

4.4.5.

The hip joint should be checked frequently in the initial stages because of ‘running-in’ problems (see figure 4).

Figure 4

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4.5.

Knee joint

4.5.1.

Place the upper leg in a horizontal position.

4.5.2. Mount the lower leg.

4.5.3.

Tighten the adjustment nut of the knee joint with the lower leg in a horizontal position.

4.5.4.

Loosen the adjustment nut until the lower leg starts moving (see figure 5).

Figure 5

4.6.

Shoulder joint

4.6.1.

Place the torso upright.

4.6.2. Mount the upper arm without the lower arm.

4.6.3.

Tighten the adjustment nuts of the shoulder with the upper arm in a horizontal position.

4.6.4.

Loosen the adjustment nuts until the upper arm starts moving (see figure 6).

4.6.5.

The shoulder joints should be checked frequently in the initial stages because of ‘running-in’ problems.

Figure 6

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4.7.

Elbow joint

4.7.1.

Place the upper arm in a vertical position.

4.7.2. Mount the lower arm.

4.7.3.

Tighten the adjustment nut of the elbow with the lower arm in a horizontal position.

4.7.4.

Loosen the adjustment nut until the lower arm starts moving (see figure 7).

Figure 7

4.8.

Lumbar cable

4.8.1.

Assemble the upper torso, lumbar vertebrae, lower torso, abdominal insert, cable and spring.

4.8.2.

Tighten the cable adjustment nut in the lower torso until the spring is compressed to 2/3 of its unloaded length
(see figure 8).

Figure 8

4.9.

Calibration of the abdominal insert

4.9.1.

General

4.9.1.1. The test shall be carried out by means of a suitable tension-producing machine.

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4.9.2.

Place the abdominal insert on a rigid block with the same length and width as the lumbar spinal column. The thick-
ness of this block shall be at least twice the thickness of the lumbar spinal column (see figure 9).

Figure 9

4.9.3.

An initial load of 20 N shall be applied.

4.9.4.

A constant load of 50 N shall be applied.

4.9.5.

The deflection of the abdominal insert after 2 minutes shall be:

for the

9 months dummy

11,5 ± 2,0 mm

3 years dummy

11,5 ± 2,0 mm

6 years dummy

13,0 ± 2,0 mm

10 years dummy

13,0 ± 2,0 mm

5.

INSTRUMENTATION

5.1.

General

5.1.1.

The calibration and measuring procedures shall be based upon the international standards ISO 6487 (1980).

5.2.

Installation of the accelerometer in the chest

The accelerometer shall be mounted in the protected cavity in the chest.

5.3.

Indication of abdominal penetration

5.3.1.

A sample of modelling clay shall be vertically connected to the front of the lumbar vertebrae by means of thin
adhesive tape.

5.3.2.

A deflection of the modelling clay does not necessarily mean that penetration has taken place.

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5.3.3.

The modelling clay samples shall be of the same length and width as the lumbar spinal column; the thickness of
the samples shall be 25 ± 2 mm.

5.3.4.

Only the modelling clay supplied with the manikins shall be used.

5.3.5.

The temperature of the modelling clay during the test shall be 30 ± 5 °C.

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Appendix 2

DESCRIPTION OF THE ‘NEW-BORN’ MANIKIN

The manikin comprises a head, torso, arms and legs as a single unit. The torso, arms and legs are a single moulding of Sor-
bothane covered with a PVC skin and containing a steel spring spine. The head is a polyurethane foam moulding covered by
a PVC skin and is permanently attached to the torso. The manikin is provided with a close fitting stretch cotton/polyester
suit.

The dimensions and mass distribution of the dummy are based on those of a 50th percentile new-born baby and are given
in tables 1 and 2 and in figure 1.

Table 1

Principal dimensions of the ‘new-born’ manikin

Dimension

Rump-Crown

Rump - Sole (with straight leg)

Head width

Head depth

Shoulder width

Chest width

Chest depth

Hip width

C of G from top of head

A

B

C

D

E

F

G

H

I

Head and neck

Torso

Arms

Legs

Table 2

Mass distribution of the ‘new-born’ manikin (1)

Total mass

Calibration of infant manikin

mm

345

250

105

125

150

105

100

105

235

0,7 kg

1,1 kg

0,5 kg

1,1 kg

3,4 kg

1.

SHOULDER STIFFNESS

1.1. Place manikin on its back on a horizontal surface and support torso on one side, to prevent movement (figure 2).

1.2. Apply a load of 150 N, on a 40 mm diameter flat faced plunger, horizontally, in a direction perpendicular to the mani-
kin’s superior-inferior axis. The axis of the plunger should be in the centre of the manikin’s shoulder and adjacent to
point A on the shoulder (see figure 2). The lateral deflection of the plunger from the point of first contact with the arm
should be between 30 mm and 50 mm.

1.3. Repeat on the opposite shoulder — reversing the support.

2.

LEG JOINT STIFFNESS

2.1. Place manikin on its back on a horizontal plane (figure 3) and strap the two lower legs together, bringing the inside of

the knee into contact.

(1) The thickness of the PVC skin should be 1 ± 0,5 mm

The specific gravity should be 0,865 ± 0,1.

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Figure 1

2.2. Apply a vertical load over the knees with a 35 mm × 95 mm flat faced plunger with the centre line of the plunger over

the highest point of the knees.

2.3. Apply sufficient force to the plunger to bend the hips until the face of the plunger is 85 mm above the support plane.
This force should be between 30 N and 70 N. Ensure lower limbs do not contact any surface during the test.

3.

TEMPERATURE

Calibration should be carried out of a temperature between 15 °C and 30 °C.

Figure 2

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Figure 3

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Appendix 3

DESCRIPTION OF THE 18 MONTHS MANIKIN

1.

GENERAL

1.1.

The dimensions and masses of the manikin are based on the anthropometry of 50th percentile child, 18 months
old.

2.

CONSTRUCTION

2.1.

Head

2.1.1.

The head consists of a semi-rigid plastic skull covered with a head skin. The skull has a cavity which allows for the
mounting of (optional) instrumentation.

2.2.

Neck

2.2.1.

The neck consists of three parts:

2.2.2. A solid rubber column,

2.2.3. An adjustable OC joint at the top of the rubber column, allowing rotation under adjustable friction around the

lateral axis.

2.2.4. A non-adjustable spherical joint at the base of the neck.

2.3.

Torso

2.3.1.

The torso consists of a plastic skeleton, covered with a flesh/skin system. The torso has a cavity in front of the skel-
eton and accepts a foam filling to achieve the correct stiffness of the thorax. The torso has a cavity at the back which
allows for the mounting of instrumentation.

2.4.

Abdomen

2.4.1.

The abdomen of the dummy is a one part deformable element which is inserted into the opening between the tho-
rax and the pelvis.

2.5.

Lumbar spine

2.5.1.

The lumbar spine consists of a rubber column which is mounted between the thoracic skeleton and the pelvis. The
stiffness of the lumbar spine is pre-set using a metal cable which runs through the hollow core of the rubber
column.

2.6.

Pelvis

2.6.1.

The pelvis is made of a semi-rigid plastic, and is moulded in the shape of a child’s pelvis. It is covered with a flesh
skin system, simulating the flesh/skin around the pelvis and buttocks.

2.7.

Hip joint

2.7.1.

The hip joints mount to the lower part of the pelvis. The joint allows for rotation around a lateral axis as well as
rotation around an axis at a right angle to the lateral axis using a gimbal joint. Adjustable friction applies to both
axes.

2.8.

Knee joint

2.8.1.

The knee joint allows flexion and extension of the lower leg under adjustable friction.

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2.9.

Shoulder joint

2.9.1.

The shoulder joint mounts to the thoracic skeleton. Click-stops allow the positioning of the arm in two initial
positions.

2.10.

Elbow joint

2.10.1. The elbow joint allows flexion and extension of the lower arm. Click-stops allow the positioning of the lower arm

in two initial positions.

2.11.

Assembly of the manikin

2.11.1. The spine cable is mounted in the lumbar spine.

2.11.2. The lumbar spine is mounted in the skeleton between the pelvis and the thoracic spine.

2.11.3. The abdominal insert is fitted between the thorax and the pelvis.

2.11.4. The neck is mounted on the top of the thorax.

2.11.5. The head is mounted on top of the neck using the interface plate.

2.11.6. The arms and legs are mounted.

3.

MAIN CHARACTERISTICS

3.1.

Mass

Table 1

Mass distribution of the 18 months manikin

Component

Head+neck

Torso

Upper arm

Lower arm

Upper leg

Lower leg

3.2.

Principal dimensions

Mass (kg)

2,73

5,06

0,27

0,25

0,61

0,48

Total mass

11,01

3.2.1.

The principal dimensions, based on figure 1 of this annex (reproduced below), are given in table 2.

Table 2

Dimension

Back of buttocks to front of knee

Back of buttocks to popliteus, sitting

Centre of gravity to seat

Chest circumference

Chest depth

No

1

2

3

4

5

Value (mm)

239

201

193

474

113

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Principal dimensions of manikin

Figure 1: Principal dimensions of the 18 months manikin

Dimension

Value (mm)

Head width

Head length

Hip circumference, standing(not shown)

Hip circumference, standing(not shown)

Hip depth, sitting

Hip width, sitting

Seat to elbow

Shoulder width

Height, sitting

Shoulder height, sitting

Sole to popliteus, sitting

Stature (not shown)

Thigh height, sitting

124

160

510

471

125

174

125

224

495 (*)

305

173

820 (*)

66

No

7

8

9

10

11

12

14

15

17

18

19

20

21

(*) Manikin’s buttocks, back and head resting against a vertical surface.

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4.

ADJUSTMENT OF JOINTS

4.1.

General

4.1.1.

In order to achieve reproducible results using the manikins, it is essential to adjust the friction in various joints, the
tension in the lumbar spine, and the stiffness of the abdominal insert.

All parts must be checked for damage prior to these instructions.

4.2.

Lumbar spine

4.2.1.

The lumbar spine is calibrated before it is mounted in the dummy.

4.2.2. Attach the lower mounting plate of the lumbar spine to a setup such that the frontal side of the lumbar spine is

located at the bottom (figure 2).

Figure 2

4.2.3. Apply a downward force of 250 N to the upper mounting plate. The resulting downward displacement should be

recorded between 1 and 2 seconds after the onset of force application, and should be between 9 and 12 mm.

4.3.

Abdomen

4.3.1. Mount the abdominal insert on a rigid block with the same length and width as the lumbar spine column. The thick-

ness of this block shall be at least twice the thickness of the lumbar spine column (figure 3).

Figure 3

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4.3.2. An initial load of 20 N shall be applied.

4.3.3. A constant load of 50 N shall be applied.

4.3.4.

The deflection of the abdominal insert after two minutes shall be 12 ± 2 mm.

4.4.

Adjustment of the neck

4.4.1. Mount the complete neck, consisting of the rubber column, spherical base joint and OC joint against a vertical sur-

face such that the frontal side is facing downward (figure 4).

Figure 4

4.4.2. Apply a vertically directed force of 100 N on the axis of the OC joint. The position of the OC joint should display

a downward displacement between 22 ± 2 mm

4.5.

OC Joint

4.5.1. Mount the complete neck and head assembly

4.5.2.

Place the torso on its back in a horizontal plane.

4.5.3.

Tighten the bolt and adjustment nut through the head and the OC joint using a torque wrench until the head is
unable to move due to gravity.

4.6.

Hip

4.6.1. Mount the upper leg, without the lower leg, to the pelvis.

4.6.2.

Place the upper leg in a horizontal position.

4.6.3.

Increase friction exerted on the lateral axis until the leg cannot move due to gravity.

4.6.4.

Place the upper leg in a horizontal position, in the direction of the lateral axis.

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4.6.5.

Increase friction at the gimbal joint until the upper leg does not move due to gravity.

4.7.

Knee

4.7.1. Mount the lower leg to the upper leg.

4.7.2.

Place the upper and lower legs in a horizontal position, with the upper leg supported.

4.7.3.

Tighten the adjustment nut at the knee until the lower leg cannot move due to gravity.

4.8.

Shoulders

4.8.1.

Extend the lower arm and place the upper arm in the highest position it will click into.

4.8.2.

The click-stops in the shoulder should be serviced or replaced if the arm does not remain in this position.

4.9.

Elbow

4.9.1.

Place the upper arm in the lowest position it will click into, and the lower arm in the upper click stop position.

4.9.2.

The click-stops in the elbow should be serviced or replaced if the lower arm does not remain in this position.

5.

INSTRUMENTATION

5.1.

General

5.1.1. Although provisions have been made to equip the 18 months manikin with a number of transducers, it is standard

equipped with replacements of equal size and weight.

5.1.2.

The calibration and measuring procedures shall be based upon the international standard ISO 6487:1980.

5.2.

Installation of the accelerometer in the chest

5.2.1.

The accelerometer shall be mounted in the cavity in the chest. This is done from the rear of the dummy.

5.3.

Indication of abdominal penetration

5.3.1.

The occurrence or absence of abdominal penetration must be assessed using high speed photography.

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ANNEX 9

FRONTAL IMPACT TEST AGAINST A BARRIER

1.

INSTALLATIONS, PROCEDURE AND MEASURING INSTRUMENTS

1.1.

Testing ground

The test area shall be large enough to accommodate the run-up track, barrier and technical installations necessary
for the test. The last part of the track, for at least 5 m before the barrier, must be horizontal, flat and smooth.

1.2.

Barrier

The barrier consists of a block of reinforced concrete not less than 3 m wide at the front and not less than 1,5 m
high. The barrier must be of such thickness that it weighs at least 70 tonnes. The front face must be vertical, per-
pendicular to the axis of the run-up track, and covered with plywood boards 20 ± 1 mm thick in good condition.
The barrier shall be either anchored in the ground or placed on the ground with, if necessary, additional arresting
devices to limit its displacement. A barrier with different characteristics, but giving results at least equally conclusive,
may likewise be used.

1.3.

Propulsion of the vehicle

At the moment of impact, the vehicle must no longer be subjected to the action of any additional steering or pro-
pelling device or devices. It must reach the obstacle on a course perpendicular to the collision wall; the maximum
lateral disalignment permitted between the vertical median line of the front of the vehicle and the vertical median
line of the collision wall is ± 30 cm.

1.4.

State of the vehicle

1.4.1. The vehicle under test must either be fitted with all the normal components and equipment included in its unladen
service weight or be in such a condition as to fulfil this requirement in so far as the components and equipment of
concern to the passenger compartment and the distribution of the service weight of the vehicle as a whole are
concerned.

1.4.2.

If the vehicle is driven by external means, the fuel installation must be filled to at least 90 per cent of its capacity,
either with fuel or with a non-inflammable liquid, having a density and a viscosity close to those of the fuel normally
used. All other systems (brake-fluid containers, radiator, etc.) must be empty.

1.4.3.

If the vehicle is driven by its own engine, the fuel tank must be at least 90 per cent full. All other liquid-holding tanks
must be filled to capacity.

1.4.4.

If the manufacturer so requests, the technical service responsible for conducting the tests may allow the same vehicle
as is used for tests prescribed by other Regulations (including tests capable of affecting its structure) to be used also
for the tests prescribed by this Regulation.

1.5.

Impact velocity

The impact velocity must be 50 +0/–2 km/h. However, if the test has been carried out at a higher impact velocity
and the vehicle has satisfied the conditions prescribed, the test is considered satisfactory.

1.6. Measuring instruments

The instrument used to record the speed referred to in paragraph 1.5 above shall be accurate within 1 per cent.

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ANNEX 10

REAR IMPACT TEST PROCEDURE

1.

INSTALLATIONS, PROCEDURES AND MEASURING INSTRUMENTS

1.1.

Testing ground

The test area shall be large enough to accommodate the propulsion system of the impactor and to permit after-
impact displacement of the vehicle impacted and installation of the test equipment. The part in which vehicle
impact and displacement occur shall be horizontal. (The slope shall be less than 3 per cent measured over any
length of one metre.)

1.2.

Impactor

1.2.1.

The impactor shall be of steel and of rigid construction.

1.2.2.

The impacting surface shall be flat and at least 2 500 mm wide and 800 mm high. Its edges shall be rounded to a
radius of curvature of between 40 and 50 mm. It shall be clad with a layer of plywood 20 ± 1 mm thick.

1.2.3.

At the moment of impact the following requirements shall be met:

1.2.3.1.

the impacting surface shall be vertical and perpendicular to the median longitudinal plane of the impacted vehicle;

1.2.3.2.

the direction of movement of the impactor shall be substantially horizontal and parallel to the median longitudi-
nal plane of the impacted vehicle;

1.2.3.3.

the maximum lateral deviation permitted between the median vertical line of the surface of the impactor and the
median longitudinal plane of the impacted vehicle shall be 300 mm. In addition, the impacting surface shall extend
over the entire width of the impacted vehicle;

1.2.3.4.

the ground clearance of the lower edge of the impacting surface shall be 175 ± 25 mm.

1.3.

Propulsion of the impactor

The impactor may either be secured to a carriage (moving barrier) or form part of a pendulum.

1.4.

Special provisions applicable where a moving barrier is used

1.4.1.

If the impactor is secured to a carriage (moving barrier) by a restraining element, the latter must be rigid and be
incapable of being deformed by the impact; the carriage shall, at the moment of impact, be capable of moving freely
and no longer be subject to the action of the propelling device.

1.4.2.

The combined mass of carriage and impactor shall be 1 100 ± 20 kg.

1.5.

Special provisions applicable where a pendulum is used

1.5.1.

The distance between the centre of the impacting surface and the axis of rotation of the pendulum shall be not less
than 5 m.

1.5.2.

The impactor shall be freely suspended by rigid arms, rigidly secured to it. The pendulum so constituted shall be
substantially incapable of being deformed by the impact.

1.5.3.

A stopping device shall be incorporated in the pendulum to prevent any secondary impact by the impactor on the
test vehicle.

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1.5.4.

At the moment of impact, the velocity of the centre of percussion of the pendulum shall be between
30 and 32 km/h.

1.5.5.

The reduced mass ‘mr’ at the centre of percussion of the pendulum is defined as a function of the total mass ‘m’,
of the distance ‘a’ (1) between the centre of percussion and the axis of rotation, and of the distance ‘l’ between the
centre of gravity and the axis of rotation, by the following equation:

mr.m.(l/a)

1.5.6.

The reduced mass ‘mr’ shall be 1 100 ± 20 kg.

1.6.

General provisions relating to the mass and velocity of the impactor

If the test has been conducted at an impact velocity higher than those prescribed in paragraph 1.5.4 and/or with
a mass greater than those prescribed in paragraphs 1.5.3 or 1.5.6, and the vehicle has met the requirements pre-
scribed, the test shall be considered satisfactory.

1.7.

State of the vehicle during the test

The vehicle being tested shall either be fitted with all the normal components and equipment included in its
unladen service weight or be in such condition as to fulfil this requirement in so far as the distribution of the ser-
vice weight of the vehicle as a whole is concerned.

1.8.

The complete vehicle with the child restraint installed in accordance with the fitting instructions shall be placed on
a hard, flat and level surface, with the handbrake off and in neutral gear. More than one child restraint may be tested
in the same impact test.

(1) The distance ‘a’ is equal to the length of the synchronous pendulum under consideration.

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ANNEX 11

ADDITIONAL ANCHORAGES REQUIRED FOR ATTACHING CHILD RESTRAINTS
IN THE SEMI-UNIVERSAL CATEGORY TO MOTOR VEHICLES

1. This annex applies only to the additional anchorages for attaching child restraints in the ‘semi-universal’ category or to
bars or other special items used to secure child restraining devices to the bodywork, whether or not they make use of
the Regulation No 14 anchorages.

2. The anchorages shall be determined by the manufacturer of the child restraint and details shall be submitted for approval

to the technical service conducting the tests.

The technical services may take into account information obtained from the vehicle manufacturer.

3. The manufacturer of the child restraint shall provide the necessary parts for fitting the anchorages and a special plan for

each vehicle showing their exact location.

4. The child restraint manufacturer shall indicate if the anchorages required for attaching the restraint to the car structure
are in accordance with the position and strength requirements of paragraph 3 onwards in the recommendation given to
Governments intending to adopt specific requirements relating to anchorages for child restraints used in passenger
cars (*).

(*) See text of paragraph 1.13 and of annex 10 of

the Consolidated Resolution on the Construction of Vehicles (R.E.3)

(TRANS/WP.29/78/Rev.1).

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ANNEX 12

Chair

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ANNEX 13

STANDARD SAFETY-BELT

1. The safety-belt for the dynamic test and for the maximum length requirement shall be made to one of the two configu-

rations shown in Figure 1. These are a three-point retracting belt and a two-point static belt.

2. The three-point retracting belt has the following rigid parts:

a retractor (R), a pillar loop (P), two anchorage points (A1 and A2, see Figure 2) and a central part (C, see Figure 3). The
retractor shall comply with the requirements of Regulation No. 16 for retraction force. The retractor spool diameter is
33 ± 0,5 mm.

3. The retracting belt shall be fitted to the anchorages on the test seat, described in annex 6, appendices 1 and 4, as follows:

Belt anchorage A1 shall be fitted to trolley anchorage B0 (outboard)

Belt anchorage A2 shall be fitted to trolley anchorage A (inboard)

Belt pillar loop P shall be fitted to trolley anchorage C.

Belt retractor R shall be fitted to trolley anchorage Re.

The value of X in Figure 1 below is 200 ± 5 mm. The value of P-A1 for ‘universal’ and ‘semi-universal’ restraints is
2 220 ± 5 mm, measured parallel to the centreline of the strap with 150 ± 5 mm of strap on the spool of the retractor.
The value of P-A1 for ‘restricted’ child restraints is at least 2 220 ± 5 mm, measured parallel to the strap centreline with
150 ± 5 mm of strap on the spool of the retractor.

4. The strap requirements for the belt are as follows:

Material:

— width:

polyester spinnblack

48 ± 2 mm at 10 000 N

— thickness:

1,0 ± 0,2 mm

— elongation:

8 ± 2 % at 10 000 N

5. The two-point static belt as shown in Figure 1 consists of two standard anchorage plates as shown in Figure 2 and a

strap fulfilling the requirements of paragraph 4 above.

6. The two-point belt anchorage plates shall be fitted to trolley anchorages A and B. The value of Y in Figure 1 is
1 300 ± 5 mm. This is the maximum length requirement for the approval of universal child restraints with two-point
belts (see para. 6.1.9).

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Figure 1: Standard seat belt configurations

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Figure 2: Typical standard anchorage plate.

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Figure 3: Central part of standard belt configuration

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Finish: Chromium plated

Figure 4: Pillar loop

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(Not used — for the text of the former Annex 14, see Annex 8 — Appendix 2)

ANNEX 14

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ANNEX 15

EXPLANATORY NOTES

They are meant as a guide for the technical services performing the tests.

Paragraph 2.10.1.

A quick adjuster can also be a device with a rotation shaft and spring similar to a retractor
with a manual release. The adjuster should be tested to the requirements of para-
graphs 7.2.2.5 and 7.2.3.1.3.

Paragraph 2.19.2.

A semi-universal restraint specified for fitting to the rear seat in both a saloon and an estate
type vehicle in which the whole belt assembly is identical is one ‘type’.

Paragraph 2.19.3.

The significance of changes in the dimensions and/or mass of the seat, padding or impact
shield and the energy-absorbing characteristics or colour of the material are to be consid-
ered when deciding whether a new type has been created.

Paragraphs 2.19.4.
and 2.19.5.

These paragraphs shall not apply to any safety belts separately approved in accordance with
Regulation No 16 which is necessary to anchor the child restraint to the vehicle or to
restrain the child.

Paragraph 6.1.2.

For rearward-facing child restraints the correct position of the top of the restraint relative to
the child dummy head is ensured by installing the largest dummy, for which the device was
specified, in the most reclined configuration, and making sure that a horizontal line at the
eye height passes below the top of the seat.

Paragraph 6.1.8.

The 150 mm requirement also applies to carry cots, except if a special device is used to link
the carry cot and the safety-belt.

Paragraph 6.2.4.

Paragraph 6.2.9.

The limit of acceptable movement of the shoulder belt is that the lower edge of the shoul-
der portion of the standard safety-belt shall not be lower than the dummy’s elbow at the
point of maximum excursion of the dummy.

Common understanding is that it applies also to devices that have such a lock-off even if
they are not required for that group. Thus the test would be applied to a group 2 only
device, but at the prescribed force, i.e. twice the mass of group 1 dummy.

Paragraph 7.1.2.1. and
Annexes 17 and 18

Either energy absorbing material, or the integral material of the child restraint structure can
be tested for compliance with Annexes 17 and 18, where the structure is not homogeneous,
or if there is likely to be varying performance over the child restraint system structure, the
testing organization will determine the worst case for testing compliance. The energy
absorbing material may form the whole or part of the child restraint system cover.

Paragraph 7.1.3.

The overturning test will be conducted using the same installation procedure and param-
eters as those defined for the dynamic test.

Paragraph 7.1.3.1.

Stopping of the rig during the overturning is not allowed.

Paragraph 7.1.4.2.2.

The wording of this paragraph refers to accelerations representing tensile loads in the spine
of the dummy.

Paragraph 7.1.4.3.1.

Visible signs of penetration means penetration of the clay by the abdominal insert (under
pressure from the restraint) but not bending of the clay without compression in a horizon-
tal direction as for instance is brought about by simple bending of the spine. See also inter-
pretation of paragraph 6.2.4.

Paragraph 7.2.1.5.

The first sentence is complied with if the hand of the dummy could reach the buckle.

Paragraph 7.2.2.1.

This shall be used to ensure that separately approved guide-straps shall be easily attached

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Paragraph 7.2.4.1.1.

Paragraph 7.2.4.4.

Paragraph 8.1.2.2.

Two straps are required. Measure the breaking load of the first strap. Measure the width of
the second strap at 75 per cent of this load.

Items which may be disassembled or unthreaded and where incorrect reassembly is prob-
able for an untrained user and could result in a dangerous configuration shall not be allowed.

‘Fastened to the seat’ means the test seat as prescribed in Annex 6. ‘Specific devices may’
means that a ‘specific’ restraint would normally be tested for overturning when installed in
the test seat, but that testing in the vehicle seat was allowed.

Paragraph 8.2.2.1.1.

‘Having regard to normal conditions of use’ means that this test should be performed with
the restraint mounted on the test or vehicle seat but without the dummy.

The dummy shall be used only to position the adjusting device. In the first instance the
straps should be adjusted in accordance with paragraphs 8.1.3.6.3.2 or 8.1.3.6.3.3 (which-
ever is appropriate). The test should then be conducted after removal of the dummy.

Paragraph 8.2.5.2.6.

This paragraph shall not apply to guide straps which are approved separately under this
Regulation.

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ANNEX 16

CONTROL OF CONFORMITY OF PRODUCTION

1.

TESTS

Child restraint systems shall be required to demonstrate compliance with the requirements on which the following
tests are based:

1.1.

Verification of the locking threshold and durability of emergency locking retractors

According to the provisions of paragraph 8.2.4.3 in the most unfavourable direction as appropriate after having
undergone the durability testing detailed in paragraphs 8.2.4.2, 8.2.4.4 and 8.2.4.5 as a requirement of
paragraph 7.2.3.2.6.

1.2.

Verification of the durability of automatically locking retractors

According to the provisions of paragraph 8.2.4.2 supplemented by the tests in paragraphs 8.2.4.4 and 8.2.4.5 as
a requirement of paragraph 7.2.3.1.3.

1.3.

Test for strength of straps after conditioning

According to the procedure described in paragraph 7.2.4.2 after conditioning according to the requirements of
paragraphs 8.2.5.2.1 to 8.2.5.2.5.

1.3.1.

Test for strength of straps after abrasion

According to the procedure described in paragraph 7.2.4.2 after conditioning according to the requirements
described in paragraph 8.2.5.2.6.

1.4.

Microslip test

According to the procedure described in paragraph 8.2.3 of this Regulation.

1.5.

Energy absorption

According to the provisions of paragraph 7.1.2 of this Regulation.

1.6.

Verification of the performance requirements of the child restraint system when subjected to the appropriate dynamic test

According to the provisions set out in paragraph 8.1.3 with any buckle having been pre-conditioned according to
the requirements of paragraph 7.2.1.7 such that the appropriate requirements of paragraph 7.1.4 (for the overall
performance of the child restraint) and paragraph 7.2.1.8.1 (for the performance of any buckle under load) are
complied with.

1.7.

Temperature test

According to the provisions of paragraph 7.1.5 of this Regulation.

2.

TEST FREQUENCY AND RESULTS

2.1.

The frequency of testing to the requirements of paragraphs 1.1 to 1.5 shall be on a statistically controlled and
random basis in accordance with one of the regular quality assurance procedure.

2.1.1.

Furthermore, in the case where emergency locking retractors are incorporated in the child restraint system, all such
assemblies shall be checked:

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2.1.1.1. either according to the provisions set out in paragraphs 8.2.4.3.1, 8.2.4.3.2, 8.2.4.3.3 and 8.2.4.3.4 of this Regu-
lation, in the most unfavourable direction as specified in paragraph 8.2.4.3.3. Test results shall meet the require-
ments of paragraphs 7.2.3.2.1.1 and 7.2.3.2.4 of this Regulation,

2.1.1.2. or according to the provisions set out in paragraph 8.2.4.3.5 of this Regulation, in the most unfavourable direc-
tion. Nevertheless, the speed of inclination can be more than the prescribed speed in so far as it does not affect the
test results. Test results shall meet the requirements of paragraph 7.2.3.2.1.4 of this Regulation.

2.2.

For ‘universal’, ‘restricted’ and ‘semi-universal’ devices, the minimum frequency in order to verify compliance with
the dynamic test according to paragraph 1.6 shall be 1 in 5 000 child restraint systems produced. However, in any
case there shall be at least one test performed for each four weeks of production.

The requirements set out in paragraphs 7.1.4.1.4 and 7.2.1.8.1.2 of this Regulation shall be met for each test. Fur-
thermore for one test out of two, the other requirements set out in paragraphs 7.1.4 and 7.2.1.8.1 shall be met
also.

However a minimum frequency of one test per year shall be permitted where annual production is 1 000 child
restraint systems or less.

In this case the requirements set out in paragraphs 7.1.4 and 7.2.1.8.1 shall be met.

2.3.

For ‘built-in’ vehicle specific devices, the following test frequencies shall apply:

Child restraints, except booster cushions:

Once every 8 weeks

Booster cushions:

Once every 12 weeks

At each test all requirements according to paragraphs 7.1.4 and 7.2.1.8.1 must be fulfilled. If all tests during one
year show satisfactory results, the manufacturer may, after agreement with the competent authority, reduce the
frequencies as follows:

Child restraints, except booster cushions:

Once every 16 weeks

Booster cushions:

Once every 24 weeks

However, a minimum frequency of one test per year shall be permitted where annual production is 1 000 child
restraint systems or less.

For vehicle-specific devices according to paragraph 2.1.2.4.1, the child restraint manufacturer may choose Con-
formity of Production procedures according to either paragraph 2.2, on a test seat, or paragraph 2.3, in a vehicle
body shell.

Where a test sample fails a particular test to which it has been subjected, a further test to the same requirement shall
be carried out on at least three other samples. In the case of dynamic tests if one of the latter fails the test, the holder
of the approval or his duly accredited representative shall:

2.3.1.

2.4.

2.4.1.

Notify the competent authority which has granted type approval indicating what steps have been taken to
re-establish the conformity of production.

2.4.2.

Raise the frequency to the higher one if the lower one was used according to paragraph 2.3.

2.5.

The manufacturer must advise the competent authority on a quarterly basis, the volume of products produced
against each approval number, providing a means of identifying which products correspond to that approval
number.

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ANNEX 17

TEST OF ENERGY ABSORBING MATERIAL

1.

HEADFORM

1.1. The headform shall consist of a solid wooden hemisphere with an added smaller spherical segment as shown in
Figure A below. It shall be constructed so that it can be dropped freely along the axis marked and it shall have pro-
vision for mounting an accelerometer in order to measure the acceleration along the direction of fall.

1.2. The headform shall have a total mass, including the accelerometer of 2,75 ± 0,05 kg.

2.

INSTRUMENTATION

Figure A: Headform

The acceleration shall be recorded during the test, using equipment in accordance with channel frequency class 1 000
as specified in the latest version of ISO 6487.

3.

PROCEDURE

3.1. Take three samples of each material from one or more child restraints.

3.2. The sample shall be fully restrained on its outer surfaces in the region of impact and be supported directly beneath the
point of impact on a smooth rigid base, for example a solid concrete plinth, such that only the energy absorbing char-
acteristics of the material construction are measured.

3.3. Raise the headform to a height of 100 –0/+5 mm from the upper surface of the sample to the lowest point on the
headform, and allow it to fall. Record the acceleration experienced by the headform during impact. Repeat this pro-
cedure with the remaining samples.

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ANNEX 18

METHOD OF DEFINING HEAD IMPACT AREA OF DEVICES WITH BACKRESTS AND FOR
REARWARD-FACING DEVICES DEFINING THE MINIMUM SIZE OF SIDE WINGS

1. Place the device on the test seat described in Annex 6. Reclinable devices shall be set in the most upright position. Place
the smallest manikin in the device in accordance with the manufacturer’s instructions. Mark a point ‘A’ on the backrest
on the same horizontal level as the shoulder of the smallest manikin at a point 2 cm inside the outer edge of the arm. All
internal surfaces above the horizontal plane passing through point A shall comprise special energy-absorbing material
tested in accordance with Annex 17. This material shall cover the internal surfaces of the backrest and side wings, includ-
ing the inner edges (zone of radius) of the side wings. The energy absorbing material may be an integral part of the child
seat. In the case of carry cot devices the lower limit of area at which material complying with Annex 17 shall be used
shall be all areas forward of the smaller dummy’s rearward shoulder when measured with this dummy in the carry cot
and the carry cot positioned on the test bench.

2. For rearward-facing devices there shall be side wings with a depth of minimum 90 mm measured from the median of
the surface of the backrest. These side wings shall start at the horizontal plane passing through point ‘A’ and continue to
the top of the seat back. Starting from a point 90 mm below the top of the seat back, the depth of the side wing may be
gradually reduced.

3. The requirement in paragraph 2 above for a minimum size of side wings does not apply to child restraints of mass groups
II and III in the specific vehicle category to be used in the luggage area according to paragraph 6.1.2 of this Regulation.

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DESCRIPTION OF CONDITIONING OF ADJUSTERS MOUNTED DIRECTLY ON CHILD RESTRAINTS

ANNEX 19

1. METHOD

Figure 1

1.1. With the webbing set at the reference position described in paragraph 8.2.7, withdraw at least 50 mm of webbing from

the integral harness by pulling on the free end of the webbing.

1.2. Attach the adjusted part of the integral harness to the pulling device A.

1.3. Activate the adjuster and pull at least 150 mm of webbing into the integral harness. This represents half of one cycle

and puts pulling device A to the maximum webbing extraction position.

1.4. Connect free end of webbing to pulling device B.

2.

THE CYCLE IS:

2.1. Pull B at least 150 mm whilst A exerts no tension on the integral harness.

2.2. Activate the adjusters and pull A whilst B exerts no tension on the free end of the webbing.

2.3. At the end of stroke, de-activate the adjuster.

2.4. Repeat cycle as specified in paragraph 7.2.2.7.

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Official Journal of the European Union

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ANNEX 20

TYPICAL BUCKLE STRENGTH TEST DEVICE

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Official Journal of the European Union

L 330/155

ANNEX 21

DYNAMIC CRASH TEST INSTALLATION

1.

METHOD

1.1.

Lap Belt Only

Fit load cell 1 to the outboard position as shown above. Install the child restraint and tension the reference belt at
the outboard position to achieve a load of 75N ± 5N at the outboard position.

1.2.

Lap and Diagonal Belt

1.2.1. Fit load cell 1 to the outboard position as shown above. Install the child restraint into the correct position. If a lock-
off device is fitted to the child restraint and acts upon the diagonal belt, place load cell 2 at a convenient position
behind the child restraint between the lock-off device and the buckle as shown above. If no lock-off device is fitted
or if the lock-off device is fitted at the buckle, position load cell at a convenient position between the pillar loop and
the child restraint.

1.2.2. Adjust the lap portion of the reference belt to achieve a tension load of 50N ± 5N at load cell 1. Make a chalk mark
on the webbing where it passes through the simulated buckle. Whilst maintaining the belt at this position adjust the
diagonal to achieve a tension of 50N ± 5N at load cell 2 by either locking the webbing at the child restraint webbing
locker or by pulling the belt close to the standard retractor.

1.2.3. Extract all webbing from the retractor spool and allow the tension in the belt between the retractor and pillar loop
to drop to the retractor tension. The spool shall be locked before the dynamic test. Conduct the dynamic crash test.

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1.2.4. Before commencing the set-up, check the child restraint to determine compliance with paragraph 6.2.1.3. If there is
a change in installation tension due to the change of angle function, then test for the condition which creates the
slackest installation, conduct the set-up and tension in the tightest position and then reposition the child restraint to
the worst case without re-tensioning the adult belt. Conduct the dynamic test.

NOTE

1.

2.

3.

4.

Installation is conducted after fitting the manikin into the restraint.

Because the foam test cushion will compress after installation of the child restraint, the dynamic test must be con-
ducted no more than 10 minutes after installation as possible. To allow the cushion to recover, the minimum period
between two tests using the same cushion shall be 20 minutes.

Load cells fitted directly onto the belt webbing may be disconnected electrically, but must be left in place during the
dynamic test. The mass of each cell is not to exceed 250 grams. Alternatively the lap belt webbing load cell may be
replaced by a load cell fixed at the anchorage point.

In the case of restraints fitted with devices intended to increase the adult safety-belt tension, the test method shall be:
Install the child restraint system as required in this annex and then apply the tensioner device as stated in the manu-
facturers instructions. If the device cannot be applied due to excess tension then it is deemed to be an unacceptable
device.

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Official Journal of the European Union

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ANNEX 22

LOWER TORSO BODY BLOCK TEST

Figure 1: Truncated P10 manikin block
Material: EPS (40 to 45 g/l)

Figure 2: Booster pull test using manikin block