IMPROVEMENTS IN APPARATUS FOR MANUFACTURING FIGURED OR ORNAMENTED STUFFS WITH D
Year: 1861

page_text: LETTERS PATENT to Paul Dubrule, of the Town of Tourcoing, in the
Empire of France, Machine Builder, for the Invention of "IMPROVEMENTS
IN APPARATUS FOR MANUFACTURING FIGURED OR ORNAMENTED STUFFS WITH
D"
Sealed the 4th March 1862, and dated the 18th September 1861.
PROVISIONAL SPECIFICATION left by the said Paul Dubrule at the
Office of the Commissioners of Patents, with his Petition, on the 13th
September 1861.
I, PAUL DUBRULE, of the Town of Tourcoing, in the Empire of France,
Machine Builder, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN APPARATUS FOR MANUFACTURING FIGURED OR ORNAMENTED
STUFFS WITH TREADLE POWER LOOMS," to be as follows:-
The Invention consists in using a special apparatus in addition to common
power looms for weaving figured or ornamented fabrics with all kinds of fibrous
materials.
My apparatus, simple in its construction and of a comparatively low price,
can be applied to any power loom being placed either on the left or right side
thereof. Any regular continuous pattern can be woven by means of as many
treadles as required, which bring part of the yarn up and down as in common

page_text: treadle looms for producing figured. cloth. The apparatus is composed of a
frame carrying a drum, on which hangs an endless combined iron chain formed
with links of a peculiar shape; this chain is composed of as many rows of
links as there are treadles in the loom, cach treadle being actuated by a lever
provided with a lift, acted upon by the links of a same row of the chain, and
only by those of said links which are turned in the right way to catch them.
Motion is communicated to the drum carrying the chain by the movement of
the loom itself, any suitable mechanical contrivance being used.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Paul Dubrule in the Great Seal Patent Office on the 12th
March 1862.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, PAUL
DUBRULE, of the Town of Tourcoing, in the Empire of France, Machino
Builder, send greeting..
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Thirteenth day of September, in the year of our Lord
One thousand eight hundred and sixty-one, in the twenty-sixth year of Her
reigu, did, for Herself, Her heirs and successors, give and grant unto me, 'tho
said Paul Dubrule, Her special licence that I, the said Paul Dubrule, my
executors, administrators, and assigns, or such others as I, the said Paul
Dubrule, my executors, administrators, and assigns, should at any time agree
with, and no others, from time to time and at all times thereafter during the
term therein expressed, should and lawfully might make, use, exercise, and
vend, within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN APPARATUS FOR
MANUFACTURING FIGURED OR ORNAMENTED STUFFS WITH TREADLE POWER LOOMS,"
upon the condition (amongst others) that I, the said Paul Dubrule, my-exe-
cutors or administrators, by an instrument in writing under my, or their,
or one of their hands and seals, should particularly describe and ascertain
the nature of tho said Invention, and in what manner. the same was to be
performed, and cause the same to be filed in the Great Seal Patent Offico.
within six calender months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE; that I, the said Paul Dubrule, do hereby declaro the
nature of said Invention, and in what manner. the same. is to be per-

page_text: formed; to be particularly described and ascertained in and by the following
statement, reference being had to the Sheets of Drawings hereunto annexed,
and forming part of this my Specification, and to the figures and letters of
reference marked thereon.
Ornamented fabrics are woven with jacquard looms or sets of perforated
cards. My Invention consists in superseding said cards by a special appa-
ratus in connexion with common treadle power looms for weaving figured or
ornamented stuffs or fabrics to any pattern with all kinds of fibrous materials:
This apparatus, which is very simple, can be connected at small expense;to
any power loom for weaving any regular repeated pattern. The patterns can
very easily be altered, being formed by the combination of cams carried by an
endless chain, and connected with the links of said chain, set in motion, by the
loom as it works.
My apparatus is placed at the side of the loom (as shewn Figure 1, Sheet 1);
it can be placed on the right or left side thereof, as may be found most
convenient. It is composed, firstly, of a cast-iron frame formed by the two
standards B, fastened together by cross pieces, which keep them the requi-
site distance apart. Suitable grooves are cut in the standard B, for the
free up and down motion of the slides P, P', according to the action of the
: machine.
:
i
Secondly, of an endless chain composed of iron links, intended to form the
pattern to be woven; the said chain is carried by toothed wheels, which also
impart motion to it; it can be composed of a larger or smaller number
of links, and be lengthened or shortened according to the pattern to..be
produced.
:
. I will now proceed to describe the working of my apparatus. The motion
is given by a belt or band either to the loose or driving pullies N or N' of.the
loom (Figure 1, Sheet 1), which communicates rotary motion to a shaft V,
by means of cog wheels U and U¹, (Figures 1 and 3,) the latter being. twice
as large as the former... The shaft V revolves once, while the shaft J carrying
the pullies revolves twice. A drum or cylinder A is keyed on the shaft J,
around which is cut an eccentrical groove; in said groove travels a roller G,
carried at the end of a lever L, hinged at K. The lever L stops twice during
a revolution of the drum A, when the roller is at X and X to the opposite
Fends of the same diameter, the groove of the drum being cut at those places in
a plan at right angles with the axis of the said drum. The lever L of the.
drum imparts its motion to another lever M by means of a connecting rod C³,
the lever M being attached to the plates Z, which move, with it, causes the

page_text: rods D and D' to move up and down each side of the frame. The said rods
impel the slides P and P attached to the lifting bars 9. and g' (Figures 5 and
6, Sheet 2), which catch the hooks d' on the.front or back side, according to
their position, and whother they have been moved forward or backward by the
small levers, provided with counterpoises or weights 7, and hinging at t; the
cams c carried by the endless chain, and shewn full size, Figure 7, catch
the counterpoises q (as shewn, Figuro 5), causing the hooks d to move forthi,
while their back motion is produced by the falling back of the counterpoises.
The endless chain is formed by links W, W, (drawn to full size at Figure 8,)
the said links are carried by the teeth of cog wheels keyed on the shaft a,
Figure 2, which is set in motion by two connecting rods J, J', (Figure 4,)
attached at F, F', to the slide rods D, D'; they impel two hooked catches
H, H, which drive a trundle wheel K', keyed to the end of the shaft a. The
trundle wheel is fitted with as many staves or bars as the cogs of the wheels-in
gear with the endloss chain; at each upward motion of F and F the chains
progress and bring forth a row of cams. An iron rod is put through the holes
of the links, Figure 8, in order to keep steady all the corresponding links; the
said rod is held fast at each end by a nut, and on the same rod are as many
cams c (shewn full size, Figure 7). as there are lift blades c¹ in the pattern
corresponding to as many treadles; there are 20 on the annexed Drawing
(Figure 4), and there are but very seldom more than this. The cams which are
to form the pattern are raised up, (as shewn, Figure 8, in red lines); the other
ones which are not to work are shown in dotted lines, same Figure. A small
mortice i is cut through the cams, and an iron rod is put through the mortices
i of the working cams and holes r, r, of the links W, in order to prevent the
said cams getting out of their raised position; the cams which are turned down-
wards do not cause the hooks d of the lifting blades to be raised, the said
blades then act on the treadles to make the ground of the fabric. All the hook
blades c' are attached at their upper and lower ends to the levers S and S¹,
which work (up or down) the lifting blades of the loom. The shaft A' which
runs through the said levers must not be at right angle, but slanting with them
(as shewn, Figure 9), so as to cause the warp of the fabric to open wider in tho
back than in the front part, and thus obtain what the weavers call tho "pass."
When the hooks d, which are caught by the lift bars 9, 9', have been entirely
lifted up, the said bars leave them, and they remain in balance; thien-two rods
QQ, bring them back to their place by means of two small connecting rods
E, Q, E, Q, set in motion by the sliding pieces P, P', and by means of
two cross pieces. Now the weft thread might happen to break off without

page_text: stopping the loom if the weaver does not perceive it, the fabric would then be'
defective; in order to obviate this, the counterpoise P" is pushed forward, the
upright lever on which it is fitted hinges at A" (Figure 2), and the rod T con-
nected with the lower arm, raises up the lever l, allowing the weaver to bring
back the warp to any convenient spot to resume the pattern where it' was
stopped..
The contrivance shewn, Figure 1, allows the weaver to bring back the warp
with great facility whenever the weft thread is broken off, with but little loss
of time. As soon as he perceives any defect he pulls down the handle p",
without stopping the loom, a rope running on the pullies r, r¹, and tied to the
hook H which impels the warp forward, is taken off from the trundle wheel,
and the hook H¹ connected with the first one by the rod t catching the said
wheels moves it in a reverse direction, until the weaver finds out the spot.
where the weft has been broken off, releases the handle p¹¹, and the hook H
falls back to its normal position. The hook H¹ hinges at Z' on the plate Z.
This system possesses two advantages over the jacquard apparatus, firstly, it
is capable of a double action, namely, it can work with each motion of the
treadles as they move upwards or downwards, and consequently it does much
more work; secondly, the lowering or forcible downward motion is obtained,
that is to say, the warp of the fabric opens and stretches in the same manner
on both sides for the passage of the shuttle, which produces a stronger tissue
and does not weaken the warp. Both stops in the motion of the apparatus
operated by the groove of the drum A (Figure 1), are necessary for the proper
working of the apparatus. One of the stopping points is when the shuttle runs
through, and the other when the hooks are brought to be repulsed by the
levers 7.
Looms provided with my apparatus work as fast as looms weaving even
cloth; the machinery is very light to work, and the weaver can drive it very
easily by means of two foot levers or treadles; in fact, even an unskilful
weaver can without difficulty weave patterns-requiring twenty or thirty treadles
by the aid of the artificial skill thus provided.
Having now described the nature of my said Invention, and illustrated the
same by the annexed Sheets of Drawings, I would have it understood that I
do not claim as my Invention the use of an endless chain for working treadle
power looms, since this method has already been tried, although without
success; but I do claim as my Invention the particular arrangement and
combination of the endless chain berein described and shewn in the Drawings
hereunto annexed, as well as the use and combined action of the peculiarly

page_text: shaped cams which impol the treadles for producing various patterns on woven
fabrics or tissues, the said cams being capable of working both ways. I also
claim for the same purpose the application of my apparatus to hand or bar
looms.
In witness whereof, I, the said Paul Dubrule, have hereunto set my hand
and seal, this First day of March, in the year of our Lord One
thousand eight hundred and sixty-two.
Signed and sealed in the
presence of
L: D'AUBREVILLE, C.E.,
Paris.
PAUL DUBRULE. (L.B.)