Improvements in or connected with Cyclometers applicable to Motor- cars and other Road Vehicles.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improvements in or connected with Cyclometers applicable to Motor-
cars and other Road Vehicles.
1, HENRI ALBAN LEON CHAIN, of 128, Rue de Rennes, Paris, France, Manu-
facturer, do hereby declare the nature of this invention to be as follows:
This invention refers to the arrangement and construction as hereafter
described, of cyclometers applicable to motor cars and other road vehicles, and
the distance travelled by the road wheels can be registered, whatever may be the
my invention is chiefly characterized by an adjustment arrangement whereby
diameter of such road wheels.
My apparatus is composed of a box which contains the mechanism. At the
exterior of the box there is a chain wheel which receives motion by means of a
chain from the axle of the carriage, or the nave of the wheel.
On the axle of the chain wheel there is mounted a bevil pinion which gears
with a bevil wheel supporting a rotary friction disc.
On the face of this friction disc there bears the periphery of a friction wheel,
the latter being mounted on a shaft, and this friction wheel is capable of being
slidden on the shaft by a forked bracket which can be adjusted in position
longitudinally, relatively to the said friction wheel shaft, by means of a regulat-
ing screw which is operated from the exterior of the case by a milled button.
The friction wheel shaft, being worked by the rotary movement of the friction
wheel, carries a pinion transmitting, such movement to a rotary cam and to an
indicating needle which is moved in front of a dial by the intervention of toothed
gear wheels.
The cam acts on the end of a sliding cradle, which carries at its other end a
pusher, and the latter, at each revolution of the cam, presses on an india rubber
ball to transmit motion to the registering parts of the cyclometer.
The sliding cradle is kept constantly applied against a spring plunger by the
action of a spring.
During a part of the revolution of the cam the sliding cradle comes against
the spring plunger, pushes it backwards and compresses the spring of the said
plunger.
When the sliding cradle is freed, by the cut out part of the cam, the spring
plunger causes the cradle to slide and the pusher of the cradle to strike the
india rubber ball.
Under the action of this pressure a part of the air contained in the ball passes
by a tube into a bellows to work the different parts of the registering apparatus,
which may be at a distance if desired.
For this purpose when the bellows is raised by inflation, a spring carried by a
plate (jointed on the back plate of the case, turns a tooth of the ratchet wheel;
a detent spring prevents any back motion of the ratchet wheel.
A disc which is mounted on the axis of this ratchet wheel, and which carries a
series of indicating figures from zero to 9 arranged in a circle, will then turn at

page_text: each blow upon the india rubber ball, and will indicate through an aperture in
the face of the case the number of hecto-metres travelled, the metres being
indicated on the side of the box which contains the first described mechanism.
At each revolution of the ratchet wheel and by means of a finger carried by
the axis of the said ratchet wheel, a pinion wheel will revolve one tooth, and
will indicate by an aperture in the dial the kilometric units travelled.
"tens" wheel,
The pinion wheel at each revolution will work in its turn a
which will indicate the tens of kilometric numerals, and the tens wheel will in
turn work the wheel governing the hundreds.
This hundreds wheel will transmit (by the intervention of
to a dial which will indicate myriametres.
gear wheels) motion
In order that each wheel can only work the following wheel at each revolution
(and suppress the stopping springs) each wheel is double and carries on one part
a complete tooth, and on the other part a disc with a single tooth, which gears
with concave teeth of the corresponding wheel.
It will be understood then, that during the rotation of the disc the concave
teeth of the corresponding wheel being tangent to the disc, this latter wheel
will be only driven at each revolution of the first, that is to say, during the time
that the single tooth gears with the concave teeth..
By placing a key alternately on the squares of the spindles of the wheels of
the counter, the indications thereon are brought to zero in a very short time.
As I have before stated this system of cyclometer can register the distance
travelled by the wheels whatever their diameter may be. For this purpose all
that is necessary is to displace the friction wheel on the friction disc in order to
regulate the position of the friction wheel in relation to the centre of the said
dise, that is to say, to bring nearer or to distance the friction wheel according
to the diameter of the road wheel.
For this purpose an index finger carried by the forked bracket, may indicate
on a dial or graduated scale, the exact and proper position of the friction wheel
to correspond to the diameter of the particular road wheel.
noted his 16th 1 of T 1900
BREWER & SON,
London and Leeds, Agents for the Applicant.
Improvements in or connected with Cyclometers applicable to Motor-
cars and other Road Vehicles.
I, HENRI ALBAN LEON CHAIN, of 128, Rue de Rennes, Paris, France, Manu-
facturer, do hereby declare the nature of this invention and in what manner the
same is to be performed to be particularly described and ascertained in and by
the following statement :-
-
This invention refers to the arrangement and construction, as hereafter
described, of cyclometers applicable to motor cars and other road vehicles, and
my invention is chiefly characterized by an adjustment arrangement, whereby
the distance travelled by the road wheels can be registered, whatever may be the
diameter of such road wheels.
In order that my invention may be clearly understood I will describe same
by way of example by the aid of the accompanying drawings.
Fig. 1 shews in front elevation the driving mechanism.
Th
Donlon view

page_text: g.shews an external view of one or the sides of the DOX WHICH CONTRINS
the mechanism; this side carries a dial indicating the distance travelled.
Fig. 4 is a vertical transverse section taken on the line 1-2 of Fig. 1.
Fig. 5 shews an external face view of the cyclometer.
Fig. 6 is an internal back view of the cyclometer.
In the several figures of the drawings the same letters of reference indicate
the same parts.
which
The apparatus according to my invention is composed of a box which contains
the mechanism. At the exterior of the box there is a chain wheel
receives motion by. means of a chain extending from the axle of the carriage or
the nave of the wheel.
'
On the axle of the chain wheel b there is mounted a bevil pinion e which gears
with a bevil wheel & supporting a rotary friction disc e.
On the face of this friction dise e there bears the periphery of a friction
wheelf, the latter being mounted on a shaft, and this friction wheelf is
capable of being slidden on the shaft by a forked bracket y which can be
adjusted in position longitudinally relatively to the said friction wheel shaft h
by means of a regulating screw which is operated from the exterior of the
case by a milled button.
The friction wheel shaft being worked by the rotary movement of the
friction wheel f, carries a pinion transmitting such movement to a rotary
cam and to an indicating needle m which is moved in front of a dial by the
intervention of toothed gear wheels. o p q..
:
The cam acts on the end of a sliding cradle r, which carries at its other end a
pushers, and the latter, at each revolution of the cam 7, presses on an india rubber
ball to transmit motion to the registering parts of the cyclometer.
The sliding cradler is kept constantly applied against a spring plunger by
the action of a spring.
During a part of the revolution of the cam 7 the sliding cradle comes. against
the spring plunger u, pushes it backwards, and compresses the spring . of the
said plunger.
When the sliding cradle is freed by the cut-out part of the cami, the spring
pushes the plunger , which, in its turn, causes the cradle to slide and the
pushers of the cradle to strike the india rubber ball 7.
Under the action of this pressure a part of the air contained in the ball passes
by a tube into a bellows y to work the different parts of the registering apparatus
which may be at a distance if desired.
For this purpose, when the bellows y is raised by inflation, a spring 1 carried
by a plate 2 (jointed on the back plate 3 of the case), turns a tooth of a ratchet
wheel 4; a detent spring 5 prevents any back. motion of the ratchet wheel 4.
A disc which is mounted on the axis of this ratchet wheel 4, and which carries a
series of indicating figures from zero to 9 arranged in a circle, will then turn at
each blow upon the india rubber ball, and will indicate through an aperture in
the face of the case the number of hecto-metres travelled, the metres being
indicated on the side of the box which contains the first described mechanism.
At each revolution of the ratchet wheel 4, and by means of a finger 7 carried
by the axis of the said ratchet wheel 4, a pinion wheel 8 will revolve one tooth
and will indicate by an aperture 9 in the dial the kilometric units travelled.
This pinion wheel 8 at each revolution will work in its turn a tens wheel 10,
which will indicate the tens of kilometric numerals, and the tens wheel will in
turn work the wheel 11 governing the hundreds.
This hundreds wheel 11 will transmit at each revolution (by the intervention
of gear wheels 13), motion to the wheel 12 which will indicate myriametres.
In order that each wheel can only work the following wheel at each revolution
*(and to do away with the use of stopping springs) each wheel is double, and
carries on one part a complete set of teeth and on the other part a disc with a
single tooth 14 which gears with the concave teeth of the corresponding wheel.

page_text: It will be understood then, that during the rotation of the disc the concave
teeth of the corresponding wheel being tangent to the disc, this latter wheel
will be only driven at each revolution of the first, that is to say, during the time
that the single tooth 14 gears with the concave teeth.
The wheel 12 is held on its axle by friction, whilst the dial is firmly connected
to the said axle.
By placing a key alternately on the three squares 15 of the counting wheels,
the indications thereon are brought to zero in a very short time.
As I have before stated this arrangement of cyclometer can register the
distance travelled by the road wheels whatever their diameter may be. For this
purpose all that is necessary is to displace the friction wheel f in the friction
disce in order to regulate the position of the friction wheel in relation to the
centre of the said dise, that is to say to bring nearer or to distance the friction
wheel according to the diameter of the road wheel.
For this purpose an index finger, carried by the forked bracket, may indicate
on a dial or graduated scale the exact and proper position of the friction wheel
to correspond to the diameter of the particular road wheel.
Having now particularly described and ascertained the nature of this invention
and in what manner the same is to be performed I declare that what I
claim is:-
1. The cyclometer for motor cars and other road vehicles principally charac-
terized by the arrangement of a friction disc and of a movable friction wheel.
whereby the same cyclometer may be made applicable to any vehicle and rendered
capable of registering the distance travelled by the road wheel whatever their
diameter may be substantially as described with reference to the accompanying
drawings.
2. The arrangement and combination of parts composing my improved cyclo-
meter, constructed and acting, substantially as and for the purposes described
with reference to the accompanying drawings.
Dated this 27th day of Fohmour 1000
BREWER & SON,
London and Leeds, Agents for the Applicant. ·