Improvements in Looms for Weaving Stripes, Checks, and other like Patterns.
Year: 1889

page_text: Date of Application, 10th Jan., 1889
Complete Specification Left, 7th Feb., 1889
Complete Specification Accepted, 9th Mar., 1889
PROVISIONAL SPECIFICATION.
Improvements in Looms for Weaving Stripes, Checks, and other like
Patterns.
I, EDWARD HOLLINGWORTH, of Dobcross Ironworks, near Huddersfield, in the
County of York, Power Loom Maker, do hereby declare the nature of this invention
to be as follows, being a communication to me from abroad by William Wattie, of
Worcester, in the County of Worcester, State of Massachusetts, U.S.A., Machine
Maker
:-
My invention in looms relates to mechanism for operating pattern surfaces, whether
composed of chains or peg lags, or other like mechanism, the object of my invention
being to provide automatic apparatus for selecting any given coloured weft when
required for the purpose of being thrown across the warp according to stripe, check,
or pattern being woven.
In carrying out my invention I employ what may be termed two pattern or chain
surfaces, one being the main surface which acts upon mechanism for selecting, and the
other, which I choose to term auxiliary pattern surface, is employed to keep the weft
selecting parts inoperative, or otherwise, according to arrangements. Each of these.
pattern surfaces is moved, according to my invention by an independent star wheel
driven by its own pin wheel, the two pin wheels being moved into or out of gear with
their respective star wheels as indicated by the pattern surfaces. The mechanism I
employ for operating the two star wheels when selected consists of an arrangement of
sliding clutches and levers together with cams, hollow revolving sleeves or bushes,
adjustable connecting rods, and a suitable arrangement of gear wheels, all suitably
arranged and combined for performing their various operations. Provision is also
made for reversing or turning the pattern surfaces back when required to find a
broken pick or other imperfect work, and this is done by employing a spring pin on
the face of the cam plate in conjunction with holes or sockets made in the star
wheels for the reception of pins, which may be removed and introduced at will
according as it is required for the parts to be operated automatically or turned back
by hand labour.
Dated this 0th day of Januar 1889
TASKER & CROSSLEY,
Huddersfield and Halifax,
Agents for Applicant.

page_text: Improvements in Ļooms for Weaving Stripes, Checks, and other like
Patterns.
I, EDWARD HOLLINGWORTH, of Dobcross Ironworks, near Huddersfield, in the
County of York, Power Loom Maker, 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, being a communication to me from
abroad by William Wattie, of Worcester, in the County of Worcester, State of
Massachusetts, U.S.A., Machine Maker :-
My invention in looms relates to mechanism for operating pattern surfaces, whether
composed of chains or peg lags, or other like mechanism, the object of this invention
being to provide automatic apparatus for selecting any given coloured weft when
required for the purpose of being thrown across the warp according to stripe, check,
or pattern being woven.
In carrying out my invention I employ what may be termed two pattern or chain
surfaces, one being the main surface, which acts upon mechanism for selecting, and
the other, which I choose to term auxiliary pattern surface, is employed to keep the
weft selecting parts inoperative, or otherwise, according to arrangements. Each of
these pattern surfaces is moved, according to my invention, by an independent star
wheel driven by its own pin wheel, the two pin wheels being moved into or out of
gear with their respective star wheels as indicated by the pattern surfaces. The
mechanism I employ for operating the two star wheels when selected consists of an
arrangement of sliding clutches and levers together with cams, hollow revolving
sleeves or bushes, adjustable connecting rods, and a suitable arrangement of gear
wheels, all suitably arranged and combined for performing their various operations.
Provision is also made for reversing or turning the pattern surfaces back when
required to find a broken pick or other imperfect work, and this is done by employing
a spring pin on the face of the cam plate in conjunction with holes or sockets made in
the star wheels for the reception of pins, which may be removed and introduced at
will according as it is required for the parts to be operated automatically or turned
back by hand labour.
In order that my said invention may be better understood, I will now make reference
to the accompanying sheet of drawings, wherein
Fig. 1 is a side view of my improved arrangement of apparatus.
Fig. 2 is an end view, partly in section, through line XX of Fig. 1, looking in the
direction of the arrow.
Figs. 3 and 4 are details of certain parts of the mechanism.
In Figs. 1 and 2 the framework for carrying the mechanism is shown at 1, secured
by bolts or set screws 2 to the loom or machine 3 of which it forms a part. The main
pattern surface is here represented as a common form of chain, composed of links 4
which connect together pins or studs 5 which carry small rollers 6 and tubes 7
arranged according to the pattern being woven. The chain 4 is mounted upon a

page_text: spool 8 (see Figs. 1 and 4) the studs 5 entering notches 9 formed in the rim or
flange 10. The said notches 9 are made the proper distance apart to admit of the
desired number of rollers 6. The spool S is made to revolve freely upon the stud 11
fastened securely to the framework 1.
12 is a star wheel made to revolve freely upon the spool S. This star wheel is so
placed as not to touch the projecting ends of the studs 5 (forming the auxiliary
pattern surface) such star wheel being confined on the spool 8 laterally by means of
the swell flange 13 and collar 14 fastened upon the outer end of the spool 8.
On the frame 1 is a hollow stud 15, which has mounted upon it loosely the toothed
wheel 16 held on the said stud by means of a collar 17. Bolted to the face of the
toothed wheel 16 is a flange 18 which carries a sleeve 19, on the outer end of which
(free to slide lengthwise on the said sleeve, but compelled to rotate in unison with it
by means of a feather 20) is a pin wheel 21 adapted to operate the star wheel 12.
The said stud 15 and the sleeve 19 are both made hollow to receive the shaft or
rod 22, which is made so as to slide freely through both the stud and sleeve. One
end of the shaft 22 is screwed into the hub or boss of the pin wheel 21 and held
thercon by the nut 23. Fastened on the other end of the shaft 22 is a clutch 24
provided with a groove 25 into which takes loosely the yoke or fork 26 projecting
from and forming part of the forked lever 27 pivoted at 28 on a bracket 29 projecting
from the frame 1. On the upper end of the lever 27 is an antifriction bowl 30 engaging
with a face cam 31 mounted upon the boss 32 of the star wheel 37 which is made to
revolve loosely on a stud 33 fastened to the frame 1. On the face cam 31 at suitable
distances apart are a number of hollow places or depressions 34, a little larger in
diameter than the antifriction bowl 30. The bracket 29 is made with a socket 35
which contains a spiral spring 36 retained in the said socket 35 by means of a cup 37ª
formed in the forked lever 27, the power of which spiral spring 36 is sufficient to slide
the pin wheel 21 on the sleeve 19 so as to force the antifriction bowl 30 into one of
the depressions 34, and this happens when the cam 31 has revolved into a position to
allow for it. The star wheel 37 has cut on its periphery a series of notches 38, which
adapts it to be driven by a pin wheel 41 formed on the end of a shaft 39, such shaft
being fitted to slide freely through a hollow stud, which holds a toothed wheel 40 in
position on frame 1 in the same manner as the stud 15 holds the toothed wheel 16 in
its position. The pin wheel 41 (see Fig. 3) occupies a position behind the star
wheel 37 in Fig. 2. On the end of the shaft 39 is fastened a clutch 42, made with a
flange which carries a pin 43 made to slide freely in a hole formed in the boss of
toothed wheel 40 (thereby performing the same action as key or feather 20 of pin
wheel 21) compelling the pin wheel shaft 39 to rotate in unison with the toothed
wheel 40. The clutch 42 is provided with a groove 44, into which takes loosely the
yoke or fork 45, corresponding to yoke 26 on clutch 24. This yoke 45 projects from
and forms part of lever 46, which, with boss 47 and arm 48, form a bell crank lever
which is mounted loosely on the stud 49 fastened in the arm 50, projecting from the
frame 1. Coiled on the stud 49 is a spiral spring 51, one end of which spring is made
fast to the head of stud 49, the other end of the said spring being hooked or other-
wise secured in the forked lever 46. This spring is put in tension by turning the
stud 49, held by set screw 52, the said spring being of sufficient power to slide the
pin wheel shaft 39 laterally, through the medium of clutch 42. Hanging from
stud 53 on the lever arm 48 is an adjustable link 54, the other end of which is
socketed, and connected to the end of lever 55, pivoted on stud 56 fastened to the
frame 1. The lever 55 is provided (near the joint with link 54) with a foot 57 which
is made to engage with the projecting ends of the pins 5 forming the auxiliary pattern
surface and carried by the pattern chain 4, as shewn in Figs. 1 and 4. A projecting
pin or stud 5 on the pattern chain (through the intervention of the foot 57) lifts the
lever 55, and with it, through link 54, the arm 48 of the bell crank lever, drawing
pin 58 (see Fig. 3) of pin wheel 41 out of line with the star wheel 38, thereby allow
ing end 59 of shaft 39 to rest in the hollow or dwell 60, formed in the periphery of
the star wheel 37.. The alignment or proper position of pin wheel 41, with regard to

page_text: its star wheel 37, with reference to the motion imparted by passing a projecting stud
or pin under lever 55 is effected by adjusting the length of the connecting rod 54,
which is done by turning the socketed head fastened on the threaded part of the
connecting rod 54. When a short pin 5 is in position under the foot 57 of lever 55,
the spring 51 acts in such a manner as to throw the pin S into line for being
engaged with the star wheel 37.
The pin wheel 21 is slided into position for being engaged with the star wheel 12
by means of the cam 31 and spring 36 together with lever 27, and the alignment of
pin and star wheel is effected by screwing the shaft 22 into or out of the boss on the
pin wheel 21.
The toothed wheel 40 is driven by gear wheel 62 secured to the shaft 63 which
forms part of the loom or machine to which the apparatus is attached and rotary motion
is communicated to gear wheel 16 by means of the intermediate wheel 64, which
revolves loosely on a stud fastened to the loom frame. In addition to lever 55 pivoted
upon stud 56, there are also a series of levers 65 on the said pivot, which extend
outwards over the pattern chain, such levers being provided with feet. 66, each of
which is made to engage with a row of bowls or indicators on the pattern chain. On
the end of the levers 65 there are connecting rods or links 67, shewn broken off,
through which the indications of the pattern chain are communicated to the loom, as
will be well understood.
It is frequently desirable to turn the main pattern chain by hand without disturbing
the other parts when requiring to find broken picks or faulty places in the cloth; to
accomplish this I form in the star wheel 12 a series of holes or sockets 68, the distance
apart of such sockets corresponding with the notches in the star wheel, and in the
collar 14 fastened on the spool 8 is another socket 69, being the same distance from
the centre 11 as are the sockets 68. Free to slide in the socket 69 is a pin having a
head 70 at the inner end, which fills the said socket. Between the head 70 of the
spindle and the end of the socket is a spiral spring 72 coiled on the spindle 71, which
spring is of sufficient force to keep the spindle in the socket, and when in this position
rotary motion is transmitted to the star wheel 12 by the pin wheel 21. Fastened to
the projecting end of the spindle 71 is a handle 73, by which the pin may be
withdrawn from the sockets in the star wheel 12, allowing the chain to be turned by
hand while the star wheel is held by the pin wheel. Wherever, for the purpose of
picking out imperfect work, or otherwise, it is desirable to turn the main pattern
chain by hand as just described, it will be necessary to turn the auxiliary cam 31 to
correspond, otherwise the main and auxiliary pattern surfaces would get out of time
with each other. To accomplish this I mount the cam 31 loosely on the boss 32,
where it is kept in position by collar 74. On the face of the cam 31 I form a
socket 75, in which is a spring and a pin 76 in conjunction with holes or sockets 77
made in the face of the star wheel 37, the operation being the same as that described
with reference to pins 70 in socket 69 working in connection with star wheel 12.
The sockets 77 in the face of the star wheel 37 are the same distance apart as the
notches of the said star wheel.
When the spring pin 76 is in the position shewn in Fig. 2, the cam 31 will he
driven by star wheel 37, and the pin 76 may be withdrawn, allowing the cam to turn
independently of the star wheel. I use the projecting ends of the pins 5 of the main
pattern chain to indicate the movements of pin wheel 41, instead of the tubes and
small rollers, so as to reduce the quantity of stock. The operation of turning the pin
wheel shaft is so slight that I experience no difficulty in doing this. It will be further
noticed by reference to Fig. 2 that I use the same pin 5, by reversing it, either for a
projecting pin to act on foot 57 or for a short pin to clear the foot 57, the projecting
end, when reversed, passing the indicating point idly or without acting upon the
parts, consequently I avoid the confusion in building up a chain that would be equal
to having two lengths of pins 5, by which a considerable saving of chain stock is
effected. The several parts are so timed that when the pin wheel 41 on shaft 39 has
just finished its action on the star wheel 37, then pin wheel 21 comes into engagement

page_text: with its star wheel 12, and the time occupied by the action of both pin wheels is
something less than one complete revolution of the said pin wheels, as the toothed
wheels 16, 40, and 62, are all of the same size.
A
The operation of the apparatus is as follows:-When the parts occupy the positions
shewn in the drawings, with the pin wheel 21 in engagement and just commencing its
motion to act on the star wheel 12, the action of the said pin wheel 21 moves the star
wheel 12 upon its axis to the extent of one notch, and with it the main pattern chain,
thereby bringing a pin 5, which it is desired to repeat, under the foot of lever 55.
short pin in the said row of indicators permits link 54 to descend, allowing the
spring 51 to push pin wheel 41 by means of forked lever 46 into engagement with
star wheel 37, whereby roller 30 is forced out of a depression in the cam 31, which,
by reason of forked lever 27 causes the shaft 22 to slide endwise, thereby moving pin
wheel 21 out of engagement, with its star wheel 12, leaving the dwell part of the pin
wheel in line with its star wheel. Pin wheel 21 being now out of engagement with
its star wheel, the succeeding revolution of the parts does not move the main chain
shaft, consequently the same pin 5 is repeated. The pin wheel 41 will continue to
move its star wheel 37 one space each revolution, so long as no depression in cam 31
comes opposite roller 30, and as the end of the next pin 5 presented does not project,
the lever 55 is allowed to descend. When the required number of repeats has been
reached, the roller 30 enters a depression in cam 31 which throws pin wheel 21 into
engagement with its star wheel, therefore at the succeeding revolution the main
pattern chain is moved one space. The main gear can be kept in motion for as many
succeeding revolutions as desired by putting projecting pins in the row of indicators
which act on lever 55, thereby keeping the pin wheel 41 out of engagement with its
star wheel.
The main chain can also be kept in action by cutting depressions in the successive
spaces on cam 31. The star wheel 37 may be made with any convenient number of
notches, and the main pattern pins repeated according to the number of pins in the
said star wheel.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, 1 declare that what I
claim is :-
:-
Firsily. The combination to a loom of a main pattern surface, star wheel 12,
sliding pin wheel 21, hollow stud 15, for supporting a toothed wheel, and means for
actuating the same, together with hollow sleeve 19, adjustable connecting shaft 22,
passing through such hollow stud and sleeve, spring forked lever, all arranged in
combination with an auxiliary pattern surface together with star wheels and parts
connected therewith, substantially as described.
Secondly. The combination of the series of levers and rods, together with a main
pattern surface having long and short operating pins-5, working in combination with
an auxiliary pattern surface, all operated substantially as described.
Thirdly. The combination of a main pattern surface and an auxiliary pattern surface
with sliding clutches and cams arranged and operated substantially in the manner and
for purposes described and shewn in the drawings.
Dated this 6th day of February 1889.
TASKER & CROSSLEY,
Huddersfield and Halifax,
Agents.