US1540575A - Loom - Google Patents

Description

Patented June 2, 1925.

l UNITED STATES i BERNARD T. STEBER, OF UTIVCA, NEW-'YORK.

YMT1-:NT OFFICE.

`LOOM.

`Application led December 16, 1924. Serial No. 756,219.

` such as will enable others skilled in the art to which saine.

This invention relates to improvements in hand looms, and more particularly to takeit appertains to make and use the up.l mechanism thereof for the finished fabric.

` Among the objects 41n view are the avoidance of waste of warp yarn, the automatic taking up of the, finished fabric, andthe provision for the maximum ylength of finzo f ished fabric.k

` A further object in view is the constant exercise of aA gravity pull on the finished fabric and the Warp lshed for insuring uniforinityin the characterof the fabric.

' l/Vith these and further objects in view as will fin part :hereinafter become apparent and in part be stated, the invention comprises certain novel constructions, combinations and arrangements of parts as subsequently specified and claimed.

In the accompanying drawings,-

Thefigure is. a'view partly in elevation and partly in section lof loom apparatus embodyingY the .features of the present invention.

Referring to the `drawings by numerals, 1 indicates the frame of a hand loom having the usual heddles 2, 2, for maintaining and operating ther shed 3, andhaving a warp beamfl. Areed 5 and its actuating lever 6 are shown,yanc`lv preferably embody thel details of construction of'an invention presented in an application for United States Letters Patent filed on the same date with this application; The lever6, as set forth in greater detail in said co-pending application, consists of a pair of arms'pivoted at the re'arfof' the machine and connected by a hand-' bar at the front, the reed 5 having a framewith end plates overlapping the arms of the lever 6 and pivoted thereto atl for allowing the reed 5 to come to rest on a part of the frameV 1 before the lever 6 reaches its lowermos't position, whereby the reed 5 is adapted to provide a track over which the shuttle is designed to be passed as it is thrust through the shed 3.V`

n The warp beam`4 may be of any type desired, so far as'the present invention is `concerned, and ispreferably provided with a stop 8, or `with friction means, not illustrated, so as to control the let-off of warp. The stop 8, as illustrated, consists merely of a pawl adapted' to be dropped into the path 4 ofrotation of apart ofthe beam 4 for holding the same against releaseof'warp, the l pawl 8 being also designed to l`be swung uponv its pivot for releasing a section of Vwarp as required. u

` The Warp extending from the beam 4 is passed about an idler roller 9 journaled in the lower portion of the frameV 1, and the warp` extends thence upward -through the heddlesQ, 2, through which it is laced in the usual manner to` form the shed 3, and onup through the reed 5 tov and about a guide roller 10 journaled in the upper portion of the frame.'

. An operating` frame is arranged outside of the frame 1, and consists of a pair of arms 11 connected by an appropriate cross piece 12, the lower ends of the arms 11 being journaled on the. extended ends of the roller 9 outsidev of the frame 1, or otherwise appropriately journale'd, preferably approxi-V complete roll of fabric. vThe handle or leverV 16 is so located as to form a counterbalance for normally retaining the pawl 143 inengagemeiit with ratchet 15. An Operating crank 17 is fixed to and outstands from one of the ends of the roller 13 for taking up finished fabric during weaving.

' W'hen the warp is first applied, it is laced through the parts as described above and passed over the guide roller 10 and connected with the usual pins or other appropriate anchorage devices on the talre-up roller 13, care being exercised to see that the arms 11 are in their most nearly uprightposition: that is', in the position foihaving theV roller 13 as close to the guide rollery 1() as possible for avoiding waste of warp. Y

The weaving operation is conducted large- 5 ly after the manner of an ordinary hand loom, the shuttle being thrust through the i shed along the reed 5, the reed lifted and caused to strike the weft'into place by the ,upward swinging of the lever 6 and then ished fabric andleave the apexv of the shed where it Vwas at the starting of the operation.l The' weaving continues and the release of additional fa-bric occurs from timeto time until the take-up roller 18 reaches thelimit Y of its downward movement, as by confiict of some part of thev pivoted 'framed which carries the roller 13 with some. parto'f the frame 1. When the descent of roller-13'hasreached its limit, the operatormerely. winds up the roller 13, the pawl '14 clicking past the ratchet teeth andv locking the roller 13 in" the position in which the operatorfhappens to leave it. As the roller13- is rotated and the fabric wound thereon, ythe upper ends of the arms 11 will be proportionally elevated and brought back toward or to theinitial position as seen in the drawings; whereupon the parts are ready for a conti knation ofthe operation.` f f lt will be observed that thetake-up roller 1 3 with its pivotallv mounted carryingV arms or frame will `function effectivelywith warp beams of various descriptions; andt'hat :the one shownV with its detent or locking'pawl S is employed merely for purposes vof illustration. A warpl beam having a yfliction'al let# off, suoli as some times employed in power looms, could very well be utilized, and in that event the operator would continue to weave without interruption until the roller 13 reached the limit of itsV downward move,- ment, when the operator would have to `stop weaving longl enough to wind up the finished fabric on the roller 13 sufcientlyto 4allow continued operation.V Of course, care would have to be exercised with the friction release to see that the friction was setto compensate for the increasing` pull of the roller 1i) rand its connected partsv and the fabric rolledthereon. (lr any appropriate compensating counterba'lance, vsuch as a. weight or a spring,

coiled or otherwise, may be utilized to resist are not specifically claimed herein since they are made the subject matter of my co-pending application Serial No. 756,218, filed De-.j cember 16, 1924:.` 1

VWhat is claimed is z-f i 7.1. In loomv mechanism,the combination, with weaving means, ofa, take-np v roller therefor, and a swinging support for Vthe roller adapted'to swingfor affording a co11.

stant stress in a direction for causing thel` talringup of finished fabric.

2. In loom mechanism, the combination,

with Weaving means, and a guide therefor Y for guiding finished fabric, of a take-upl roller adjacent the guide,and a `pivoted support for the takefupfroller adapted; to? swing on its pivot for affording a constant stress tending to 'move the takefup rollerfina direction away kfrom the guide'. f f y.

, 3. In loon) mechanism, ,the combination, with Weaving means,- and a guide forfthe finished fabric, of Ya take-np Yroller .adj aceilt the guide, and means for-stressingtlie take'-V up roller away from theguide forv tension,- ing the finished fabric;

1. In loom mechanism, vthe combination, with Weaving means, and a uide.v for finished fabric, of 1an'4 larm pivo ally moiinted and having its yfree endA portion extending adjacentk said guide, an :l a takefup roller j ournaled in said free portion of the arm in position for being stressed by` gravityv away from the guideV for tensioning the finished fabric. f

yInV loom mechanisn'i, the combination, with weaving means, and a guide for the finished `fabric thereof, of a pivotally mounted frame extending inaninclined plane to aVV point yadjacent the guide, and a take-up roller carried vby said frame, the frame being' left, free .to swing by gravity for tensioning the finished fabric.

6. In loom mechanism, tliecombination, withjweaving means, andaY guide for, the finished fabric, of al pivotally"4 mounted frame extending to a point fadjacentjs'aid guide, and a take-up roller carried by said frame, 'the frame being arranged to hav.e that portion carrying vthe Iroller gravity-l stressedtending to move the frame on its. pivotfor moving the roller away from the guide for tensioning the finishedfabIC....V

7.111 loom mechanism, the combination, with a loom fra-me,` weaving means carried thereby, anda guide for the inishedfabrc, of a swinging frame 'having arms adja cent the sides ofthe loom frame and pivoted at their lower ends to the loom frame to swing freely by gravity, said side arms extending upwardly-on an inclined plane to a point adjacent the guide, and a takeup roller carried by the upper portions of said arms adjacent said guide, and adapted to receive and tension finished fabric incident to the gravity movement of the swingv ing frame.

8. The combination with a loom frame, weaving mechanism carried thereby, a guide at the upper portion of the frame, a warp guiding idler at the lower portion of the frame, arms pivoted eo-axially with said idler and extending on an inclined plane to a point adjacent the guide, said arms being free to swing by gravity, and a take-np roller rotatably carried by said arms adjacent said guide for receiving the linished fabric and tensioning the same in,-

cident to gravity swinging of the pivoted arms.,

. 9. In loom mechanism, the combination, with a loom frame, and warp shed maintaining and shifting mea-ns, of a pivotally mounted support, and a fabric carrier sustained by the support ata point s aced from the pivot thereof, the sup-port )being located relative to the axis of its pivot for moving about the pivot by gravity, the fabric carrier being adapted to receive the finishedgfabric from the shed and to exert a yielding tension on the shed incident tothe tendency of the carrier support to swingv about its pivot.

In testimony whereof I affix my signature in presence of two witnesses.

BERNARD T. STEBER. Witnesses:

HOWARD STEBER, MARION STEBER.

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