US811847A - Loom for wire fabrics or gauze. - Google Patents

Description

E. HOLLING'WORTH.

LOOM FOR WIRE FABRICS 0R GAUZE.

APPLmATIoN FILED ooT.zo.-19o4.

PATENTED FEB. 6, 1906..

Nrrnn` STATES rnarnnrr cranica;

EDWARD HOLLlNGrVORTH,` OF DOBOROSS, ENGLAND, ASSIG-NOR TO CROMPTON t KNOWLES LOOM WORKS, A CORPORATION OF MAS- SAOHUSETTS.

LOOM FOR WIRE FABRICS OR"GAUZE.

Specification of Letters Patent.-

Patented Feb; 6, 1906.

To (1J/L whom it mayconcern:

.Be it known that I, EDWARD HOLLING- won'rri, a subject of King Edward the VII of England, residing at Dobcross, in the county of York, Englaml, have invented certain new and useful Improvements in Looms for Weaving Wire Fabrics or Gauze, of which the following is a specification.

This invention relates to looms for weaving wire fabric or gauze, and particularly to the shuttle motion of said looms, the object of my invention being to provide an improved motion or means for carrying or traversing the shuttle across the loom. and for giving a dwell at each extremity of motion or traverse of the shuttle to admit of the beat up of the lay against the last shoot of wire placed. in the shed. Y

Referring to the drawings, Figure 1 is afront elevation, taken on line a b, Fig. 2,A of a wireweaving loom having my improvements applied thereto; and Fig. 2 is a side elevation of same looking in the direction of arrow c, the lay being shown in section.

In the,` accompanying drawings, 1 represents the lay, carried by the lay-swords 2, which are secured on the shaft 3 and coupled by connecting-rods to the crank-shaft 4 5 5, the shuttle-race at the front of the lay; 6, the shuttle, and 7 the main driving-shaft, supported in bearings in the stand or bracket 8, bolted to the side frame of the loom and imparting motion through bevel-'pinion 9, fast on said shaft, to bevel-gear 10, fast on the crank-shaft 4, to drive said shaft, all as ordinary.

At the rear of the bevel-gear-lO is abevelgear 11., meshing with a bevel-gear 1 2, fast on a short shaft 13, supported in bearings in the stand 14;, bolted to the side frame ofthe leoni. On the front end of the short shaft 13 is fast a gear 15, to the face of which is secured a `stud or roll 1 6, extending outwardly and entering a longitudinal slot 17 in an arm or lever 17, mounted loosely on a short shaft 18, journaled in bearings in the stand 14, the said arm being extended 'beyond the shaft 18 and having a rounded extremity to form a stud, whereon is loosely secured a bevel-gear 19, which meshes with a bevel-gear-20, formed on or secured to a gear 2l, mounted loosely onf-the shaft 1S and gearing with the gear 15 on shaft 1 3 ,whiclrwhen driven :from the bevelgears 11 and 12 transmits a constant rotary motion thereto and to the bevelgear 19. The said bevel-gear 19 also meshes with a second bevel-gear 22 likewise loosely mounted on the shaft 18 and formed on or secured to a pinion 23, which mesheswith a gear 24, fast on a short shaft 25, journaled inybearings in the stand 14, the front end of said shaft having in this instance secured thereon a crank-arm 26, to which' is pivotally connected one end of a connecting-rod; 27, whose opposite end is pivotally connected to a vertical arm or lever 28. The lever 28 occupies a position midway of the side lframes of the loomand is pivoted at 29 on a boss 3l), secured to the shaft 3, on which the lay-swords are mounted, so as to move backward and forward bodily with the lay.

Therotary motion imparted by gear 15 tol the gear 21 gives, through bevel-gear 20, a constant `rotation to the loose bevel-gear 19, which by reason of thel oscillation of they arm or `lever17 by the stud or roll 16 and slot connection 17 is carried through the arc of a circle aroundlthe shaft 1S first in one direction and then back again. In' its forward stroke the bevel-gear 19 acts to drive thebevel-gear 22, which through gears 23 and 24 gives inotionto the shaft 25, the crank-ar1n26 thus being rotated to the extent necessary to oscillate the lever 28 'from one extreme position, as indicated indottedI lines in Fig. 1, to its opposite extreme position; but on the return stroke of the-'bevel-gear 19 it rides over the bevel-gear 22 without rotating the same, thus giving no motion to the series of gears 22, 23, and 24, and allowing the lever28 to dwell on reaching its extreme position.` The next forward stroke of the bevel-gear 19 causes the lever 2S through the intermediate gearing and connection to be oscillated to its opposite extreme position and again dwell during the following return stroke of the bevelgear 19jthe cycle of events being constantly repeated during ,the running of the loom and intermittently oscillating the lever `23. The

direction of motion of the parts when driven.

is always in the same direction.

To the upper end of the vertical oscillating lever 28 is pivotally connect-ed one end of a link 31, whose opposite" end is pivotally con.-

IOO

nected to a block or sliding piece 32, adapted to be moved endwise by said lever and link in a dovetailed race or way 33 in the front of the lay. On the said sliding block 32 is swiveled or centrally pivoted a compound or two armed lever 34, having its extremities upturned or provided with upwardly-projecting fingers 34', which are curved to the arc of a circle described from the pivot-center ofthe lever. The lever 34 is parallel with the shuttle 6, and near each end of the said shuttle I form recesses or openings 6, into which the respective fingers or upturned ends 34 of the lever are adapted to pass freely and to engage with the side walls thereof to ftraverse the shuttle backward and forward across the loom. The recesses or openings 6 in the shuttle are preferably curved to the same radius as the fingers 34.

In the lay l between the races 5 and 33, in which the shuttle 6 and sliding piece 32, respectively, register and slide to and fro across the loom, I cut or form a suitable cam groove or race 35, into which extends a stud or roll 36, carried by the lever 34. Said stud, as the lever is carried backward and forward across the loom, travels along the cam-groove and as it rides from one place to the other thereof causes the lever 34 to be oscillated on its center to move the curved extension or nger at one end thereof into engagement with its respective recess or opening in the shuttle and move the curved extension at the opposite end of the said lever out of engagement with the shuttle, the engagement and disengagement of the two fingers or projections with their respective recesses in the shuttle taking place at or beyond the selvages of the wire fabric or gauze being woven or the sides of the shed-that is to say, as the lever 28 and link 3l slide the block 32 and lever 34, pivoted thereon, to and fro across the loom the upturned finger at one end of said lever engages with its respective recess in the shuttle as the latter emerges from one side of the shed and carries the shuttle forward fully out of the shed and then back to the shed or from the position shown in full lines to that shown in dotted lines in Fig. 2 and back again. The roll 36, in riding from one plane to the other of the cam-slot 35, withdraws one finger from engagement with the shuttle and simultaneously engages the other therewith, one having hold before the other moves clear, whereby on leaving the shed at each side the shuttle is engaged by one or the other of the upturned fingers and traversed fully out of the shed and back again, first at one side and then the other. The lever 28 is shown in full line in Fig. 1 in its middle position, as is also the shuttle. The dwell of the lever 28 takes place at each extremity of motion or traverse of the shuttle and admits of the beat up of the lay against the last shoot of wire weft placed in the shed. A guard 36 for the warp extends between the points of connection and disconnection of the upturned fingers 34 with the shuttle.

In order to hold the last shoot of wire weft until the lay beats up and take up the tension thereof, bent fingers 37 are provided, these being secured to arms or levers 38,

mounted on a rock-shaft 39, carried by bracket or brackets 40, and held normally in position by spring or springs 41. As the lay l beats up it strikes against the stud 42, secured to the arms 33, and forces back the said arms against the tension of the spring or springs 41, the bent fingers 37 thus being elevated clear of the fell of the fabric until the said last shoot of wire weft is beaten up, when as the lay recedes the arms 33 are released and drawn down by the springs to engage the fingers with the next shoot of wire weft.

In Fig. l the lay is shown part way advanced to the limit of its forward stroke, and the loose oscillating slotted arm or lever 17 is shown in its highest position.

It will be understood that the details of construction of my improvements may be varied, if desired.

I-Iaving thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a loom of the class described,the combination with a continuously-driven gear or pinion, and an oscillating lever, and connections from said lever to a shuttle, for traversing the shuttle across the loom, of mechanism intermediate said continuously-driven gear or pinion, and said oscillating lever, to cause said lever to dwell at each extremity of its movement, said mechanism consisting of a gear having a stud or roll thereon entering a longitudinal slot in an arm or lever, and said lever loosely mounted on a shaft, and having loosely mounted on one end a bevelgear which meshes with a bevel-gear mounted loosely onashaft, and said bevel-gear having peripheral teeth thereon meshing with a pinion on a continuously-driven rotary shaft, and said shaft, a second bevel-gear loosely mounted and in mesh with the bevel-gear on said lever, and having peripheral teeth thereon which mesh with a gear, and said gear, and a crank connected therewith, and a con- IOO IIO

nection from said crank to the oscillating lever.

2. In a loom of the class described, a lever centrally pivoted on a block or slide and adapted to be moved endwise to and fro across the lay, said lever having upturned iingers or projections adapted to enter corresponding recesses or grooves in the respective ends of the shuttles, a cam groove or slide in the lay, which is engaged bya stud or roll on said lever, to move said lever as it is carried across the lay, to cause one finger on said lever to be engaged with and the other to be disengaged from the shuttle, alternately, connections inpinion on a continuously-driven rotary shaft, and said shaft, a second bevelgear loosely mounted, and in mesh with the bevel-gear on 15 said lever, and having peripheral teeth thereon Which mesh With a gear, and said gear, and a crank connected therewith, and a eonneetion from said crank to the oscillating lever.

EDWARD HOLLINGWORTH.

l/Vitnesses J. C. DEWEY, M. HAAs.

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