Year: 1887

page_text: Date of Application, 13th Jan., 1887
Complete Left, 7th Oct., 1887
Complete Accepted, 25th Nov., 1887
A communication to me from abroad by JULIUS REINHOLD HOFFMANN, of New
Gersdorf, near Zittau, in the Empire of Germany, Engineer.
I, EDMUND EDWARDS, of the firm of Edwards and Co., Patent Agents and
Engineers, of 35, Southampton Buildings, Chancery Lane, in the County of
Middlesex, do hereby declare the nature of this invention to be as follows:-
This invention relates to what are know as tie-up Jacquard looms by which improve-
ments the loom is capable of producing woven fabrics of every kind and variety,
from the simplest cross weaving to the most complicated figures, whilst its construc-
tion is very simple, and there is little likelihood of failure or wrong working, and
repairs, if necessary, can be made easily and by ordinary workmen.
The improved apparatus may be applied to any ordinary kind of loom, the necessary
driving motion being obtained by any suitable means according to the construction of
the loom used.
The improved apparatus consists of two side frames bolted or otherwise fixed to
the loom. One of these frames has a horizontal arm at the outer end of which are
two vertical branch arms one above and one below.
To the upper branch arm is pivotted, with the intervention of a short link, a lever
the other end of which is guided in a vertical slot in the other frame through which
it passes. The outer end of the lever is then connected by connecting links to a
lower lever working at right angles to the first and turning upon a transverse shaft
in the frame near the centre of its length so that the upper lever is forced to follow
the movements of the lower one.
The lower branch of the arm first described also carries a lever jointed to it by an
This lower
intermediate link and working upon a centre parallel with the upper one.
lever is guided in vertical slots in the frames the part of it between them being
flattened horizontally, its outer end being also coupled to the transverse lever by
means of a link jointed to the latter and to one end of a double ended lever the other

page_text: end of which is jointed by links to the end of the flattened lever last described, the
movements of which are therefore also controlled by the movements of the transverse
lever.
The double ended lever turns loosely upon a shaft revolving in bearings in the two
frames, whilst the transverse lever described is rigidly fixed upon a shaft turning in
similar bearings in the frames at the opposite end of which shaft outside the frame
is fixed a lever connected by a link to a lever upon the other shaft so that if
the first shaft is turned by the main transverse lever in one direction it will turn
the other shaft in the opposite direction. This other shaft has also two arms keyed
upon it carrying at their upper ends a card roller which is kept adjusted in its
proper position as it turns by means of springs operating upon pressure plates which
bear against shoulders near the end of the roller.
The flattened part of the lower lever, between the frames is provided with two
parallel series of square holes through which pass and are guided corresponding wire
bars.
At the upper end of each of these wire bars a shoulder is formed against which
the lever presses as it rises carrying the bars with it. An eye is formed at the
upper end of each bar to which is attached a wire the upper end of which is bent
over to form a hook, the hooks upon each pair of wires being bent towards each other.
Each pair of wires passes through holes in a separate bar capable of receiving a hori-
zontal longitudinal motion. To the ends of each of these 'bars are fixed guiding pins
which slide through corresponding holes in two transverse plates fixed to the frames
of the apparatus. A helical spring is arranged around each outer guiding pin so
that the sliding plates together with the wires which pass through them are pressed
against the plate upon the side upon which the card roller is arranged so that the
latter if brought against the said plate either allows the wire guides upon the sliding
plates to enter through the perforations of the card into the card roller, or the card
will strike against the wire guides and push back the bars with the wires passing
through them, the springs being compressed in doing so.
To the lower end of the square wire bars cords are secured passing round rollers
and working the threads of the fabric to be woven up and down in the usual way.
one.
The main transverse lever already described is actuated in the following way :--
The main shaft of the loom imparts motion to a second parallel shaft by means of a
crank and crank pin upon each shaft, the crank pins being connected by a rod, so
that the revolution of the driving shaft imparts the desired movement to the second
Upon this second shaft is fixed a crossbar having two radial slots to which a
disc having a circular groove upon its face is adjusted and fixed by bolts passing
through the radial slots so that the groove may be made more or less excentric with
the shaft, the excentricity being limited by the length of the slots. A friction roller
upon the lower end of a vertical arm works in the upper part of the circular groove
so that when the latter revolves the roller and arm are made to move up and down
in a vertical direction, and this movement is imparted to the main transverse lever of
the apparatus already described by the intervention of a lever, turning upon a fixed
centre at one end, and jointed near its other end to the upper end of the rising and
falling bar, and also by means of a link to the outer end of the main transverse lever.
of the apparatus, the several joints being formed by studs sliding-in slots, in such
manner that 'the amount of leverage and consequent movement may be adjusted as
desired.
The working of the apparatus'is as follows:-
Rotary motion being imparted to the main shaft of the loom by any suitable driving
power the said motion will be transmitted by the crank pins, and connecting rod to
the second parallel shaft, the excentric grooved disc upon which causes the main
transverse 'lever of the apparatus to move up and down, the other end of this lever
is connected as described to the two levers pivotted to the branch arms upon the frame
so that when the upper one is being forced down the lower one is being simultaneously
raised and vice versa. At the same time the card roller with the cards arranged
upon it is brought to and from the plate through which the guiding pins of the sliding

page_text: transverse plates project, anil in this way the pairs of hooked wires which pass through
these sliding plates will either remain in their position or be forced back according to
the pattern on the cards.
Where the guiding pin upon the sliding plate carrying any particular pair of wires
is opposite a perforation upon the card it will enter through the same into the roller,
and the wires will retain their position, so that the upper lever (which is made
V shaped in cross section) on being raised will catch the hook of the wire furthest
from the card and will carry it up, the corresponding thread of the loom being
thereby raised.
The opposite wire in the meantime rests with its shoulder upon the lower lever,
with which it is carried down. When on the contrary an unperforated part of the
card strikes the guiding wire the latter is. forced back together with the sliding bar
and hooked wires the spring being compressed. The upper lever on being lifted will
now catch the hook next the card roller and will carry it up whilst the wire upon the
opposite side is brought down with the lower lever.
In order to change the position of the cards upon the roller a spring hook or catch
may he pivotted to the frame, engaging with shoulders or teeth upon the card roller
so that the latter is turned round automatically at intervals. Or, upon the axis of the
card roller a pulley may be fixed, connected by a strap or cord, with a similar pulley
turning freely upon the shaft which carries the levers in which the card roller revolves.
To the cord or strap another cord is attached, which being pulled by the hand of the
operator, serves to turn the card roller. By this means the variation of the design
is effected by hand and under the control of the operator.
EDWARDS & Co.,
Agents for the Applicant.

page_text: İmprovements in Jacquard Looms.
A communication to me from abroad by JULIUS' REINHOLD HOFFMANN, of New-
Gersdorf, near Zittau, in the Empire of Germany, Engineer.
I, EDMUND EDWARDS, of the firm of Edwards and Co., Patent Agents and
Engineers, of 35, Southampton Buildings, Chancery Lane, in the County of Middlesex,
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 and accompanying drawing (that is to say):
This invention relates to what are known as tie-up Jacquard looms by which
improvements the loom is capable of producing woven fabrics of every kind and
variety, from the simplest cross weaving to the most complicated figures, whilst its
construction is very simple, and there is little likelihood of failure or wrongworking,
and repairs, if necessary, can be made easily and by ordinary workmen.
The improved apparatus may be applied to any ordinary kind of loom, the neces-
sary driving motion being obtained by any suitable means according to the construc-
tion of the loom used.
The accompanying drawings are in illustration of the invention, figure 1 being
a side elevation, figure 2 a front elevation, figure 3 a vertical section, and
figures 6, and 7, detail views.
Similar letters of reference indicate similar parts in the several figures.
The improved apparatus consists of two side frames A, A', bolted or otherwise
fixed to the loom. One of these frames A, has a horizontal arm a at the outer
end of which are two vertical branch arms a¹ and a², one above and one below.
To the upper branch arm a¹ is pivotted, with the intervention of a short link c¹,
a lever the other end of which is guided in a vertical slot in the other frame A¹
through which it passes. The outer end of the lever is then connected by
connecting links e and d to a lower lever working at right angles to the first
and turning upon a transverse shaft in the frame near the centre of its length so
that the upper lever b is forced to follow the movements of the lower one f.
The lower branch a of the arm a first described also carries a lever g jointed
to it by an intermediate link c² and working upon a centre parallel with the
upper one.
This lower lever g is guided in vertical slots in the frames A, A', the part of it
between them being flattened horizontally, its outer end being also coupled to the
transverse leverf by means of links m, n, jointed to the latter and to one end of a
double ended lever h the other end of which is jointed by a link i to the lever / so
as to be controlled by the movements of the said lever f. The double ended lever h
turns loosely upon a shaft o revolving in bearings in the two frames, whilst the
transverse lever is rigidly fixed upon a shaft o' turning in similar bearings in the

page_text: frames at the opposite end of which shaft outside the frame is fixed a lever f¹
connected by a link to a lever h¹ upon the other shaft o so that if the first shaft o
is turned by the transverse lever in one direction it will cause the other shaft o to
turn in the opposite direction. This other shaft o has also two arms k, k¹, keyed upon
it carrying at their upper ends a card roller which is kept adjusted in its proper
position as it turns by means of springs, ², and spindles p, p, operating upon
pressure plates 7, q', which bear against shoulders s, s', near the end of the roller 1.
The flattened part of the lower lever g between the frames A, A', is provided with
two parallel series of square holes through which pass and are guided corresponding
wire bars t, t.
At the upper end of each of these wire bars a shoulder is formed against which
the lever g presses as it rises carrying the bars with it. An eye or loop is formed at
the upper end of each bar and receives a wire v, or the upper end of which is bent
over to form a hook, the hooks upon each pair of wires being bent towards each other.
Each pair of wires and v passes through holes in a separate bar capable of
receiving a sliding horizontal longitudinal motion.
To the ends of the bar w are fixed guiding pins which slide through corre-
sponding holes in two transverse plates,, fixed to the frames A, A³, of the
apparatus (as shewn in figure 3). A helical spring y is arranged around each outer
guiding pin so that the sliding plate w together with the wires which pass through
it, is pressed against the plate upon the side upon which the card roller is arranged
so that the latter if brought against the said plate either allows the wire guide upon
the sliding plate to enter through the perforations of the card into holes in the card
roller, or the card will strike against the wire guide and push back the bar w with
the wires and v passing through it, the spring being compressed in doing so.
To the lower ends of the square wire bars t, t¹, cords are secured passing round
rollers and working up and down the frames which regulate the threads of the fabric
to be woven in the usual way, (as illustrated in figure 3.).
The main transverse lever is actuated in the following way by the device
shewn in figures 1 and 2:
The main shaft of the loom imparts motion to a second parallel shaft by means of
a crank and crank pin upon each shaft, the crank pins being connected by a rod,
so that the revolution of the driving shaft imparts the desired movement to the second
one. Upon this second shaft is fixed a cross bar having two radial slots to which
a disc having a circular groove upon its face is adjusted and fixed by bolts passing
through the radial slots so that the groove may be made more or less eccentric
with the shaft, the excentricity being limited by the length of the slots. A friction
roller upon the lower end of a vertical arm works in the upper part of the circular
groove so that when the latter revolves the roller and arm are made to move up
and down in a vertical direction, and this movement is imparted to the main
transverse lever of the apparatus already described by the intervention of a
lever, turning upon a fixed centre at one end, and jointed near its other end to
the upper end of the rising and falling bar, and also by means of a link to the
outer end of the main transverse lever of the apparatus, the several joints being formed
by studs sliding in slots, in such manner that the amount of leverage and consequent
movement may be adjusted as desired.
A modified form of adjustable device for the same purpose is shewn in figures I
and 2.
The main shaft O has keyed upon it a cross-shaped piece Q provided with projecting
brackets e, e', for the reception of screws r on which fit so as to move radially nuts
having forked projections d. Into each of these projections are fitted two elastic
steel annular bands, secured by screws, and capable of being adjusted to a more or
less excentric circle, or ellipse, by turning and adjusting the screws as may be
desired.
-
In this arrangement the stroke of the bars G which is driven by the device and
also the stop during the stroke can be arranged to suit the fabric which is being
woven. A friction roller R' carried by the arm G fits and works in the space between

page_text: the two steel rings m, m², so that when the latter are fixed excentrically to the shaft O,
the roller R and arm G are forced to move vertically up and down, and this motion
is imparted to the lever by means of the arm G, lever H, and connecting rod K,
which are connected together by slots and bolts so as to allow them to be arranged
and adjusted together as may be required.
In this way any desired leverage may be obtained and the required stroke of the
lever may be fixed.
The working of the apparatus is as follows:-
Rotary motion being imparted to the main shaft of the loom by any suitable
driving power the said motion will be transmitted to the shaft o' by means of the
excentric grooved disc described, or by means of the friction roller I working between
the steel rings m, m', and imparting to the lever an up and down movement by
means of the arm G, lever H, and connecting rod K.
The other end of this lever is connected as described to the two levers band
pivotted to the branch arms a¹," a², upon the frame so that when the upper one is
being forced down the lower one is being simultaneously raised until both reach
their extreme position, as indicated in dotted lines in figure 1, when the lever / begins
to rise and the lever g to descend. At the same time the card roller with the cards
arranged upon it, (actuated by the lever f upon the shaft o¹, the lever f", rod ;
lever, shaft o, and arms and k¹) is brought to and from the plate through which
the guiding pins of the sliding transverse plates project, and in this way the pairs
of hooked wires e, c', which pass through those sliding plates will either remain in
their position or be forced back according to the pattern on the cards.
æ
Where the guiding pin upon the sliding plate carrying any particular pair of
wires is opposite a perforation upon the card it will enter through the same into the
roller 4, and the wires v, ', will retain their position (as indicated in figure 3), so that
the upper lever (which is made V-shaped in cross section) on being raised will catch
the hooks of the wires and will carry them up, all the corresponding threads of the
loom being thereby raised.
The opposite wires in the meantime rest with their shoulders upon the lower
lever I with which they are carried down. When on the contrary an unperforated
part of the card strikes the guiding wire a the latter is forced back together with the
sliding bar wo and hooked wires u, v, (as also indicated in dotted lines in figure 3).
The upper lever bon being lifted will now catch the hooks and will carry them
up whilst the wires & upon the opposite side are brought down with the lower lever 9.
In order to change the position of the cards upon the roller a spring hook or catch
may be pivotted to the frame, engaging with shoulders or teeth s upon the card
roller so that the latter is turned round automatically at intervals (as shewn in
figure 7). Or, upon the axis of the card roller a pulley s may be fixed, connected
by a strap or cord s with a similar pulleys turning freely upon the shaft o.
the cord or straps another cord is attached, which being pulled by the hand of the
operator, serves to turn the card roller 7. By this means the variation of the design
is effected by hand and under the control of the operator.
To
By means of this invention, woven fabrics of every kind and variety can be produced,
from the simplest plain weaving to the most complicated designs, by simply changing
and adjusting the leverage.
The simplicity of the driving mechanism allows the invention to be applied to
almost every existing form of loom, since it is only necessary to communicate by any
suitable means an up and down movement to the lever f, the only condition being
that the leverage should be made capable of adjustment to suit different designs.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, I declare that what
I claim is
1. A tie-up Jacquard consisting of two levers 6 and 9, guided in slots in the frame
sides A A' and pivotted to the branched arms a¹ and a² of an arm a by means of
intermediate links c¹ and c³, the levers b and g working in opposite directions under

page_text: control of a double armed rocking lever factuated by an anti-friction roller R',
sliding between two adjustable steel bands m, m', arin G, lever H and connecting
rod K, the said lever being connected to the lever b by links and e, and to the
lever g by a connecting bar i, double armed lever loosely mounted on the shaft o,
and links m and n; the V-shaped lever during its lift, catching and lifting either
of the wires and of the wire bars t and t¹ with shoulders u guided in the flattened
part of the lever g, or allowing the same to be pulled down by said lever g, according
to the position of said wires under control of the cards on the roller 1 substantially
as described and shewn.
1
2. The combination with a tie-up Jacquard as described, of mechanism for shifting
the wires and e¹ by means of the card-roller / swinging under control of the lever f
shaft o, lever, connecting rod i, lever h³, shaft o and armis k and k¹, and working
with its cards against the guiding pins x projecting from the plate, the said guiding
pins & being secured to a sliding bar w with other guiding pins a sliding in a plate z¹
and a spring y upon the said pin ¹, the said wires and being so shifted, that
either of them is caught and lifted or dropped by the lever b, substantially as described
and shewn.
;
3. The combination with a tie-up Jacquard of the kind described, of mechanism
for changing the position of the card roller 1, such mechanism consisting either of a
spring catch secured to the frame and engaging with the shoulders of the card
roller, thereby turning the latter whilst it recedes with its supporting arms kand k¹
or of strap pulleys 2 and 3, the former being secured on the axis of the card roller
and turned by means of straps or cords 8, and so, to be pulled by hand, while the
card roller l, after each quarter of a turn, is maintained in its position by the pressure
of a spring or 7 and spindles por pacting upon the shoulders s or s¹ through
pressure plates 7 and q', substantially as described and shewn.
4. The combination with a tie-up Jacquard of the mechanism herein described for
imparting a rocking motion to the lever f, consisting of a cross Q on the shaft O,
two steel bands m, m', adjustable on the cross by screws arranged in the
brackets e el and fitted into the forks d upon the nuts d' working on the screws r,
anti-friction roller R working in the space between the bands m m², arm G, lever H,
and connecting rod K, the said arm G, lever H, rod K and lever being also adjust-
ably connected to each other by slots, bolts and nuts, to enable the variation of their
relative position to be effected according to any requirements, all substantially as and
for the purpose described and shewn.
L 1
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