US572918A - Warp stop-motion for looms - Google Patents
Warp stop-motion for looms Download PDFInfo
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- US572918A US572918A US572918DA US572918A US 572918 A US572918 A US 572918A US 572918D A US572918D A US 572918DA US 572918 A US572918 A US 572918A
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- 210000003811 Fingers Anatomy 0.000 description 20
- 230000000875 corresponding Effects 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000000284 resting Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N Hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 230000003534 oscillatory Effects 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 230000013707 sensory perception of sound Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
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Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/20—Warp stop motions
Definitions
- This invention refers to stop-motions for power-looms; and the object thereof is to stop the loom on the breakage, failure, or undue slackness of an end or ends of warp and to indicate to the weaver the position or positions or sections of the warp in which the end or ends is or are down.
- heddles are steadied and kept apart by suitable cross rods, wires, or cords, and in the same plane or at the same angle as the lower half of the shec and 0 supported by a heddle-case, are other cross rods, wires, or cords, on which the warp forming the lower half of the shed rests when intact.
- the position of the last-named rods does not permit the warp and heddles to descend to the full extent of the downward movement of the heald shafts or frames so long as the warp is at the proper tension and intact, but should an end break, fail, or become unduly slack its corresponding heddle is drawn down to its full extent by the weight of the lingoes, which lowers through a sectiongrate into a reciprocatory grate or carriage actuated by levers from the crank-shaft or other rotary part of the loom, whereby the section- 5 grate is slid endwise and oscillates a sectionlever which engages a corresponding sectionframe fast on the stop or knocking-off rod and rocks said stop-rod so as to bring the loom to a standstill.
- the section-lever also carries a pointer or locking-finger which is 5: adapted to engage with a fixed cross-rail and hold the parts out of action until released by the weaver and to indicate to the weaver the section or portion of the warp in which the broken end is to be found.
- Figure 1 is a sectional transverse elevation of the heddle frame or case, heddles or healds, and parts comprising my improved warp stop-motion.
- Fig. 2 is a front elevation of a part of same.
- Fig. 3 is a plan of the reciprocatory grate or carriage.
- Fig. 4 is a longitudinal section of same.
- Fig. 5 is a detail of one of the brackets carrying the pulleys by which the grate is supported.
- Fig. 6 is a plan of one of the section-grates and the angle-irons supporting same and forming ways in which the grates are capable of being slid.
- Fig. 7 is an enlarged section of the angle-iron, showing the section-grates resting thereon.
- Figs. 8, 9, 10, and 11 show the forms of heddles or healds I may use in connection with my invention.
- Fig. 12 is a detail View showing the tapered upper edges of the grates.
- a represents the 7 5 heald or heddle shafts, from which are suspended the heddles 12, preferably composed of wire and provided with mails or eyelets 0, through which are passed the warp-threads d.
- the heddles are suspended from the shafts a by loops of string passed through eyelets or openings at the upper ends of the heddles and around the shafts, and said loops of string may be separate from each other or connected together by a string or knitted to a rig-band, as in ordinary worsted or cotton healds.
- To the lower ends of the heddles are attached weights or lingoes I), having tapered or pointed ends.
- a frame a maybe used, such as is shown in Fig. 11, the bottom rail or shaft being grooved or having a slot formed therein through which the heddles are passed and shielded and steadied thereby.
- FIG. 10 Another form ofheddle is shown enlarged at Fig. 10.
- the rectangular heald-frame a is employed, and the wire healds b are passed over the thin rods 0 of said frame in the same way as ordinary wire healds and as shownat Fig. 9.
- the eyelet c for the warp is elongated, and through it is passed a string 12 secured at both ends to the weight or lingo b, which is suspended below the bottom shaft of the frame a.
- the warp (Z is threaded through the loop of string b and eyelet c of the heddle, and is held down in the bottom of said eyelet by the weight or lingo 1), but should there be any obstruction, such as would prevent the warp traveling downward, the elongated eyelet will permit the heddle-frames to descend the proper distance and the obstructed warp to remain.
- heddle last described may be used and will act equally as well for the same purpose as the heddle first described, it possesses the disadvantage of requiring the warp to be threaded through the loop of string and also through the eyelet 0, so that more time and labor are consumed in healdin g the warp.
- the heddle-case is represented at e, and is made to hold intact the whole of the heddles, which enter same and are steadied and kept apart by means of cross rods, wires, or cords 6', supported by plates e attached to the heddle-case or to-the adjustable studs f, secured by nuts f to the heddle-case. Above the shed the heddles are steadied and kept apart by cross wires or cords c suspended by wires 6" from the top rail of the loom, from which they may be easily removed.
- the heddle-case e is divided at equidistances apart into sections, each to accommodate an equal number of ends of warp by means of an gle-iron or -pieces g, secured at front and back to the heddle-case and adapted to receive and support the section-grates g, into which the weights or lingoes I), connected to each heddle in the corresponding section, are capable of entering, the said -shaped bars g also formin ways for the grates g to slide in,
- a reciprocatory grate or carriage 71' Under the section-grates and just clear of same is a reciprocatory grate or carriage 71', provided with pulleys 7t, journa-led in brackets 7L2, secured to said grate, which rest on and are adapted to ride over the under portions of brackets t, bolted at suitable distances apart to the sides of the heddle-case c.
- the said reciprocatory grate extends across the loom to accommodate the full width of Warp and is constructed of bars or lengths of thin hoop-iron bored at distances apart equal to the width of each section to receive pins or bolts 7L3, which are passed therethrough and secured by nuts 7L Hollow tubes or bushes 705 are placed on the pins h between each bar to hold said bars the proper distance apart.
- the reciprocatory grate and also the section-grates are'divided into spaces corresponding in number to the healds which the loom is designed to work.
- lever-arms 7' To the front of the reciprocatory grate are connected lever-arms 7', secured on a rod or shaft j, journaled in hearings in the heddlecase and receiving an oscillatory or rocking motion by means of levers j connected together by a rod j", from a cam or tappet j", mounted on the crank-shaft or other suitable rotary part of the loom, which by a leverarm 7' imparts a reciprocatory motion to the grate h.
- each section-lever k Resting against each section-lever k is a frame 7;, secured by set-screws on the knocking-off rod 7t, with which it is movable, independently of the warp stop-motion, when actuated in the ordinary manner for stopping the loom, but it is adapted to be moved, as hereinafter explained, by the warp stop-motion when the latter is actuated by the breakage or failure of an end or ends of the warp.
- plates m On the top of the heddle-case and secured to the adjustable studs f are plates m, which support cross-rods, wires, or cords m, extending lengthwise across the heddle-case.
- the plates m are arranged at the angle assumed by the lower half of the shed and in line with the running-board a, and the warp-threads forming said lower half of the shed rest on and are supported by the said cross-rods m in a position a little above that to which the heald-shafts will permit the heddles to descend, so that the weights or lingoes Z) at the lower ends thereof will when the warp is in tension and intact be held clear of the reciprocatory grate 72.
- the studs f by means of nuts f can be adjusted so as to alter or vary the angle at which the cross or shed rods m shall be supported and to accord with the angle of the shed.
- the pointer or finger 7a to advance and engage with the crossrail 1 and lock the parts.
- the said movement of the section-lever 75 also forces its corre sponding frame into the position indicated by dotted lines in Fig. 1, and thereby rocks or oscillates the knocking-off rod is, which by means of the arm k and connecting link or rod actuates the ordinary stopping mechanism of the loom and brings it to a standstill.
- the pointer or locking finger 70 engaged with the cross-rail Z indicates to the weaver the section in which the end is down or slack, and he is thus enabled to speedily locate it and tie it up or restore it to its proper tension.
- Levers 0, pivoted at 0 at the rear of the heddle-case e opposite each section-grate g and connected by slotted rods or links 0 with pins 0 secured to the lower ends of the section-levers 79 are employed for the purpose of oscillating the section-levers and stop-rod 7t in the same manner as above set forth to stop the loom when the section-grates happen to be slid in the direction of arrow 1) by the heddle or heddles engaging with the reciprocatory grate during its return or backward movement; but ordinarily this added mechanism would only be required for very fastrunning looms, weaving, say, from two hundred to three hundred picks per minute and the reciprocatory grate it working at half the speed of the loom.
- a stop-piece q is employed to limit the outward movement of the section-levers 70", and, if desired, a button 0*, adapted to be engaged and pressed by the section-levers when the latter are forced into the position shown in dotted lines in Fig. 1 and connected electrically with an indicating-board in the room or office, may be employed, so that 011 the loom being stopped by the failure or breakage of an end or ends of warp the button will be pressed and complete the circuit and the stoppage thereby indicated in the room or office.
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- Textile Engineering (AREA)
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- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
Description
(No Model. 3 Sheets-Sheet 1.
J. VIOKERMAN.
WARP STOP MOTION FOR LOOMS. No. 572,918.- Patented Dec. 8, 1896.
p WIZWESSES: I avg/V1012 L6, J57z7z 7 fiyfimrg W (I 46 .m: nonms Perms cu. Pnomuwa, WASNNGTOVL n. c.
(Nd Model.) 3 Sheets-Sheet 2.
J. VIOKERMAN. WARP STOP MOTION FOR LOOMS.
No. 572,918. Patented Dec. 8, 1896.
m: NORRIS PETERS co, NO'lO-LITNQ. wxsumcvou'u c1 (No Model.) I 3 Sheets-Sheet 3.
J. VIGKERMAN.
WARP STOP MOTION FOR LOOMS. No. 572,918. 7 Patented Dec. 8,1896.
, NITED STATES PAT NT OFFICE.
JOHN VICKERMAN, OF LONGFORD, ENGLAND, ASSIGNOR TO PA UL \VHITING, OF LAMY, TERRITORY OF NE\V MEXICO.
WARP STOP-MOTION FOR LOOMS.
SPECIFICATION forming part of Letters Patent No. 572,918, dated December 8, 1896.
Application fil d June 22, 1895- Serial No. 553,653. (No model.) Patented in England July 20, 1892,1Io.13,256,a11d e '7, 1893,110. 11,130; in France September 27,1894,N0.228,690; in Germany September 28, 1894,1lo. 81,218; in Belg September 28, 1894:, No. 112,042, and in Austria September 29, 1894, No. 45/179.
To all whom. it ram 0011100772..-
Be it known that 1, JOHN VICKERMAN, a subject of the Queen of Great Britain, and a resident of Longford, Minchinhampton, near Stroud, Gloucester, England, have invented certain new and useful Improvements in arp Stop-Motions for Looms, (patented by me in Great Britain July 20, 1892, No. 13,256, and June 7, 1893, No. 11,130; in Germany September 28, 1894, No. 81,218; in France September 27, 18941, No. 228,690; in Belgium September 28, 1894, No. 112,042, and in Austria September 29, 1894:, No. 45/179,) and I do hereby declare that the following is a full, clear, and exact description of the same. This invention refers to stop-motions for power-looms; and the object thereof is to stop the loom on the breakage, failure, or undue slackness of an end or ends of warp and to indicate to the weaver the position or positions or sections of the warp in which the end or ends is or are down.
For the purposes aforesaid I employ suitable healds and lingoes or weighted hed- 2 5 dles, through which the ends of the warp are threaded. The said heddles are steadied and kept apart by suitable cross rods, wires, or cords, and in the same plane or at the same angle as the lower half of the shec and 0 supported by a heddle-case, are other cross rods, wires, or cords, on which the warp forming the lower half of the shed rests when intact. The position of the last-named rods does not permit the warp and heddles to descend to the full extent of the downward movement of the heald shafts or frames so long as the warp is at the proper tension and intact, but should an end break, fail, or become unduly slack its corresponding heddle is drawn down to its full extent by the weight of the lingoes, which lowers through a sectiongrate into a reciprocatory grate or carriage actuated by levers from the crank-shaft or other rotary part of the loom, whereby the section- 5 grate is slid endwise and oscillates a sectionlever which engages a corresponding sectionframe fast on the stop or knocking-off rod and rocks said stop-rod so as to bring the loom to a standstill. The section-lever also carries a pointer or locking-finger which is 5: adapted to engage with a fixed cross-rail and hold the parts out of action until released by the weaver and to indicate to the weaver the section or portion of the warp in which the broken end is to be found.
In the accompanying drawings, Figure 1 is a sectional transverse elevation of the heddle frame or case, heddles or healds, and parts comprising my improved warp stop-motion. Fig. 2 is a front elevation of a part of same. Fig. 3 is a plan of the reciprocatory grate or carriage. Fig. 4 is a longitudinal section of same. Fig. 5 is a detail of one of the brackets carrying the pulleys by which the grate is supported. Fig. 6 is a plan of one of the section-grates and the angle-irons supporting same and forming ways in which the grates are capable of being slid. Fig. 7 is an enlarged section of the angle-iron, showing the section-grates resting thereon. Figs. 8, 9, 10, and 11 show the forms of heddles or healds I may use in connection with my invention. Fig. 12 is a detail View showing the tapered upper edges of the grates.
Referring to the drawings, a represents the 7 5 heald or heddle shafts, from which are suspended the heddles 12, preferably composed of wire and provided with mails or eyelets 0, through which are passed the warp-threads d. The heddles are suspended from the shafts a by loops of string passed through eyelets or openings at the upper ends of the heddles and around the shafts, and said loops of string may be separate from each other or connected together by a string or knitted to a rig-band, as in ordinary worsted or cotton healds. To the lower ends of the heddles are attached weights or lingoes I), having tapered or pointed ends.
Instead of a single shaft a frame a maybe used, such as is shown in Fig. 11, the bottom rail or shaft being grooved or having a slot formed therein through which the heddles are passed and shielded and steadied thereby.
Another form ofheddle is shown enlarged at Fig. 10. In this case the rectangular heald-frame a is employed, and the wire healds b are passed over the thin rods 0 of said frame in the same way as ordinary wire healds and as shownat Fig. 9. The eyelet c for the warp is elongated, and through it is passed a string 12 secured at both ends to the weight or lingo b, which is suspended below the bottom shaft of the frame a. The warp (Z is threaded through the loop of string b and eyelet c of the heddle, and is held down in the bottom of said eyelet by the weight or lingo 1), but should there be any obstruction, such as would prevent the warp traveling downward, the elongated eyelet will permit the heddle-frames to descend the proper distance and the obstructed warp to remain.
Although the form of heddle last described may be used and will act equally as well for the same purpose as the heddle first described, it possesses the disadvantage of requiring the warp to be threaded through the loop of string and also through the eyelet 0, so that more time and labor are consumed in healdin g the warp.
The heddle-case is represented at e, and is made to hold intact the whole of the heddles, which enter same and are steadied and kept apart by means of cross rods, wires, or cords 6', supported by plates e attached to the heddle-case or to-the adjustable studs f, secured by nuts f to the heddle-case. Above the shed the heddles are steadied and kept apart by cross wires or cords c suspended by wires 6" from the top rail of the loom, from which they may be easily removed. The heddle-case e is divided at equidistances apart into sections, each to accommodate an equal number of ends of warp by means of an gle-iron or -pieces g, secured at front and back to the heddle-case and adapted to receive and support the section-grates g, into which the weights or lingoes I), connected to each heddle in the corresponding section, are capable of entering, the said -shaped bars g also formin ways for the grates g to slide in,
Under the section-grates and just clear of same is a reciprocatory grate or carriage 71', provided with pulleys 7t, journa-led in brackets 7L2, secured to said grate, which rest on and are adapted to ride over the under portions of brackets t, bolted at suitable distances apart to the sides of the heddle-case c. The said reciprocatory grate extends across the loom to accommodate the full width of Warp and is constructed of bars or lengths of thin hoop-iron bored at distances apart equal to the width of each section to receive pins or bolts 7L3, which are passed therethrough and secured by nuts 7L Hollow tubes or bushes 705 are placed on the pins h between each bar to hold said bars the proper distance apart.
The reciprocatory grate and also the section-grates are'divided into spaces corresponding in number to the healds which the loom is designed to work.
To the front of the reciprocatory grate are connected lever-arms 7', secured on a rod or shaft j, journaled in hearings in the heddlecase and receiving an oscillatory or rocking motion by means of levers j connected together by a rod j", from a cam or tappet j", mounted on the crank-shaft or other suitable rotary part of the loom, which by a leverarm 7' imparts a reciprocatory motion to the grate h.
7t is the stop or knocking-off rod, journaled at is in the heddle-case and connected by arm is? (see Fig. 2) to the ordinary knocking-off mechanism of the loom. On said knockingotf rod 76 and opposite each section-grate are loosely mounted section-levers k carrying at their lower ends pointers or indicating locking-fingers 75 provided on their under sides with a sneck or tooth 75, which is adapted to engage with a fixed cross-rail Z when moved in a forward direction. Resting against each section-lever k is a frame 7;, secured by set-screws on the knocking-off rod 7t, with which it is movable, independently of the warp stop-motion, when actuated in the ordinary manner for stopping the loom, but it is adapted to be moved, as hereinafter explained, by the warp stop-motion when the latter is actuated by the breakage or failure of an end or ends of the warp.
On the top of the heddle-case and secured to the adjustable studs f are plates m, which support cross-rods, wires, or cords m, extending lengthwise across the heddle-case. The plates m are arranged at the angle assumed by the lower half of the shed and in line with the running-board a, and the warp-threads forming said lower half of the shed rest on and are supported by the said cross-rods m in a position a little above that to which the heald-shafts will permit the heddles to descend, so that the weights or lingoes Z) at the lower ends thereof will when the warp is in tension and intact be held clear of the reciprocatory grate 72.
The studs f by means of nuts f can be adjusted so as to alter or vary the angle at which the cross or shed rods m shall be supported and to accord with the angle of the shed.
The action of the motion is as follows: When the warp is intact and at proper tension, the shed-rods m support the warp forming the lower half of the shed in line with the running-board n, and as this position is a little above the limit to which the heald-shafts will permit the heddles to descend the lower or weighted ends of the latter are held above and clear of the reciprocatory grate 7L, while the latter halves of the heddles remain slack, these conditions being maintained so long as no end of warp fails or breaks or becomes unduly slack. \Vhen this occurs, however, the support to the heddle concerned is immediately destroyed, and on the heald-shaft descending, if it is not already down, the weight or lingo b on the end of the heddle lowers through the section-grate g, corresponding to the section of warp in which the break or failure has occurred, into one of the spaces in the reciprocatory grate h,which engages said lingo as it moves forward, and thus locks the said grate and the sectiongrate together, whereby the continued movement of the reciprocatory grate causes the section-grate to be slid forward with it, in doing which the bracket or extension 9 on the front of the section-grate abuts against the corresponding section-lever k and moves it on its pivot into the position indicated by dotted lines in Fig. 1, causing the pointer or finger 7a to advance and engage with the crossrail 1 and lock the parts. The said movement of the section-lever 75 also forces its corre sponding frame into the position indicated by dotted lines in Fig. 1, and thereby rocks or oscillates the knocking-off rod is, which by means of the arm k and connecting link or rod actuates the ordinary stopping mechanism of the loom and brings it to a standstill. The pointer or locking finger 70 engaged with the cross-rail Z, indicates to the weaver the section in which the end is down or slack, and he is thus enabled to speedily locate it and tie it up or restore it to its proper tension.
Levers 0, pivoted at 0 at the rear of the heddle-case e opposite each section-grate g and connected by slotted rods or links 0 with pins 0 secured to the lower ends of the section-levers 79 are employed for the purpose of oscillating the section-levers and stop-rod 7t in the same manner as above set forth to stop the loom when the section-grates happen to be slid in the direction of arrow 1) by the heddle or heddles engaging with the reciprocatory grate during its return or backward movement; but ordinarily this added mechanism would only be required for very fastrunning looms, weaving, say, from two hundred to three hundred picks per minute and the reciprocatory grate it working at half the speed of the loom.
A stop-piece q is employed to limit the outward movement of the section-levers 70", and, if desired, a button 0*, adapted to be engaged and pressed by the section-levers when the latter are forced into the position shown in dotted lines in Fig. 1 and connected electrically with an indicating-board in the room or office, may be employed, so that 011 the loom being stopped by the failure or breakage of an end or ends of warp the button will be pressed and complete the circuit and the stoppage thereby indicated in the room or office.
Having thus fully described my invention, what I claim is-- 1. In a stop-motion attachment for looms, the combination with the heddles, having eyes for the passage of the warp-threads, and the weights or lingoes, of the section-grates, the section-levers connected therewith, the knocking-off rod, the frames connected there with against which the said levers are adapted to strike, and the reciprocating grate and means for operating the same, the stopping mechanism and the connections between the same and the knocking-off rod, substantially as described.
2. In a stop-motion attachment for looms, the combination with the heddles, having eyes for the passage of the warp-threads .and the weights or lingoes, of the section-grates, the section-levers connected therewith, the knocking-off rod, the frames secured thereto, the reciprocating grate, the levers connected therewith, and the cam for operating said levers, and the stopping mechanism and connections between the same and the knockingo'lf rod, substantially as described.
3. In a stop-motion attachment for looms, the combination with the heddles, provided with eyes for the passage of the warp-threads, and the weights or lingoes, of the sectiongrates, the section-levers connected therewith, the knocking-off rod, the frames secured thereto, the pivoted fingers formed with notches connected with said levers, the rail with which said notches are adapted to engage, the reciprocating grate, and means for operating the same, the stopping mechanism and connections between the same and the knocking-off rod, substantially as described.
at. In a stop-motion attachment for looms, the combination with the heddles, provided with eyes for the passage of the warp-threads, and the weights or lingoes, of the sectiongrates, the section-levers connected therewith, the knocking-oft rod, the frames secured thereto, the pivoted fingers connected with said levers, provided with notches, the rail with which said notches are adapted to engage, the reciprocating grate, the levers connected therewith, and the cam for operating the same, and the stopping mechanism and connections betweenthe same and the knocking-off rod, substantially as described.
5. In a stop-motion attachment for looms, the combination with the heddles, having eyes for the passage of the warp-threads, and the weights or lingoes, of the section-grates the section-levers connected therewith, the knocking-off rod, the frames secured thereto, the pivoted fingers provided with notches, the rail with which said notches engage, the slotted rods connected with said fingers, the levers pivoted thereto, the reciprocating grate, and means for operating the same, and the stopping mechanism and connections between the same and the knocking-off rod, substantially as described.
6. In a stop-motion attachment for looms, the combination. with the heddles, having eyes for the passage of the warp-threads, and the weights or lingoes, of the section-grates, the section-levers connected therewith, the knocking-off rod the frames secured thereto, the notched fingers pivoted to said levers, the rail, the slotted rod connected with said fin gers, the levers pivoted thereto, the reciproeating grate, the levers connected therewith and the cam for operating the same, and the IIO stopping mechanism and connections between the same and the knocking-off rod, substantially as described.
7. In a stop-motion attachment for looms, the combination with the heddles, having eyes for the passage of the warp-threads, and the weights or lingoes, of the section-grates, the section-levers connected therewith, the knocking-off rod, the frames secured thereto; the notched fingers pivoted to said levers, the rail, the slotted rods connected with said fingers, the levers pivoted thereto and the transverse guide wires or cords between which the heddle-wires pass, and the stopping mechanism and connections between the same and the knocking-off rod, substantially as described.
In testimony that I claim the foregoing as my own I have hereunto affiXed my signature in presence of two witnesses.
JOHN VICKERMAN. lVitnesses:
A. J. FRANKLIN, ARNOLD 'Il. PALIN.
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US572918A true US572918A (en) | 1896-12-08 |
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