US2823706A - Loom temple mechanism - Google Patents

Description

Feb. 18, 195% H. J. PARHAMI 2,823,706

LOOM TEMPLE MECHANISM FiledDec. 21, 1955 INVENT HESTER J. PAR M ATTORNEY United States Patent LOOM TEMPLE MECHANISM Hester J. Parham, Newnan, Ga., assignor of one-fourth to Edward T. Newton and George M. Hopkins, Atlanta, Ga.

Application December 21, 1953, Serial No. 399,491

2 Claims. (Cl. 139-295) This invention relates to loom temple mechanism, and more particularly this invention embodies positively driven loom temples.

On prior art looms, a temple is used or pair of temples are used to stretch that portion of the woven fabric which is adjacent the lay beam so that upon each pick of the loom, the reed is aligned with the warp threads. To this end, the prior art temples have comprised burrs, helixes, a plurality of rollers and the like which are idler members rotated by the cloth selvage as it is pulled from the loom by the take-up roller. Since substantially all temples apply tension adjacent the cloth selvage, many prior art looms have incorporated therewith a sewing mechanism which provides stitched or reinforced cloth selvages so that the danger of breaking the weft or warp thread is minimized. Many similar attempts have been made to properly adapt the cloth and/ or temples to minimize damage to the threads within the woven fabric; however, a major factor which apparently has been overlooked by workers in the prior art is the individual thread stresses caused by these temples.

It is an object therefore of the present invention to provide a loom temple mechanism which minimizes the stresses on the warp and weft thread while properly stretching the cloth and aligning the warp threads with the reed.

Another object of my invention is to provide loom temple mechanism which substantially eliminates lag-back at the temples, thereby reducing breakage of warp ends.

Another object of my invention is to provide loom temple mechanism which eliminates the need for weaving or sewing a special cloth selvage.

Another object of my invention is to provide loom temple mechanism which will substantially eliminate bowing or sagging of the cloth.

Another object of my invention is to provide a simple, inexpensive, durable, loom temple mechanism which is eflicient in operation, thereby reducing breakage of the warp thread, reducing wear of the warp thread by the reed, increasing the efiiciency of the loom and increasing the quality of cloth normally woven by the loom.

Other and further objects and advantages of my invention will become apparent from the following description when taken in conjunction with the accompanying drawing wherein like characters of reference designate corresponding parts throughout the several views, and wherein:

Fig. l is a top plan view of a temple loom mechanism constructed in accordance with my invention, said mechanism being driven from the take-up roller of a conventional loom shown fragmentarily.

Fig. 2 is an enlarged top plan view of a detail of the loom temple mechanism illustrated in Fig. 1.

Fig. 3 is a cross-sectional view taken along line 3-3 in Fig. 2.

Fig. 4 is a fragmentary plan view of a loom showing my loom temple mechanism operably connected thereto.

Referring now in detail to the embodiment chosen for purpose of illustration, numeral denotes a reciprocat- "ice ing lay beam of a loom which carries the ordinary reed (not shown) and through which warp threads 11 extend to form, together with weft thread, woven fabric 12. Woven fabric 12 extends over a take-up roller 13 which is provided with abrasive material 14 on its outer periphery. This take-up roller 13 is rotated by roller shaft 15 driven from an external source (not shown) through gear 16 to apply a constant tension to fabric 12. A pair of brackets 17, 17 connected to breast beam 18 support for rotation shaft 15, roller 13, being disposed therebetween.

All of the above described elements are arranged in conventional manner and constitute elements of a conventional loom wherein take-up roller 13 applies tension lengthwise to woven fabric 12 and warp threads 11.

As seen in Fig. 4, a pair of temples 19, 19 are mounted by arms 20, 20 in conventional manner adjacent respective selvages of fabric 12, arms 20, 20 being respectively fixed to slideable brackets 21, 21' on breast beam 18. Each of temples 19, 19' is a mirror reproduction of the other; and, as will be described in more detail later, temples 19, 19 are aligned to stretch the woven fabric 12 along the weft of the fabric.

in Figs. 2 and 3, it is seen that temple 19 comprises a hollow cylindrical sleeve 22, which terminates at one end in a peripheral flange 23 and is pressfitted through an aperture in the end of arm 20 so that it projects outwardly therefrom, whereby flange 23 abuts the inside surface of arm 20. Thus, sleeve 22 forms a bushing which receives for rotation temple shaft 24. In the present embodiment of my invention, the inner end of shaft 24 is machined to provide a rounded end 25 of larger diameter than the diameter of the rest of shaft 24, and the central portion of shaft 24 is threaded to threadably receive lock nut 26. A plurality of burr rings 27, having a plurality of radially projecting burrs 28, are received between lock nut 26 and end 25 on shaft 24 and these rings 27 are in juxtaposition with each other and taper in size from lock nut 26 to end 25.

The outer end 29 of shaft 24 is of smaller diameter than shaft 24 and receives a sprocket 30 fixed thereto by set screw 31 while, adjacent sprocket 30, a lock ring 32 is fixed on shaft 24 by set screw 33 to thus prevent axial sliding of shaft 24 inwardly. It will now be seen that by removing sprocket 30 and lock ring 32, shaft 24 may be slid inwardly and removed from sleeve 22; then lock nut 26 may be removed from shaft 24 and rings 27 replaced, if desired. In the assembled position, as seen most clearly in Fig. 2, shaft 24 is free to be rotated about its axis by sprocket 30, shaft 24, being prevented from sliding axially by lock nut 26 abutting flange 23 and lock ring 30 abutting the outer end of sleeve 22.

A conventional cover 34 which normally is in registry with and circumscribes substantially the upper half of rings 27 is provided at one end with a yoke, the arms 35, 35 of which are pivotally fixed to pivot pin 36 retained by the end of arm 20, whereby cover 34 may be raised away from ring 27 or lowered into registry therewith. To retain cover 34 in its normal position, a boss 37 is provided over arms 35, 35' and is removably fixed to the end of arm 20 by bolt 38 which threadably engages the end of arm 20.

As described above, temple 19' is a mirror reproduction of temple 19 and, as seen in Fig. 4, is provided with a sprocket 30 which rotates shaft 24 thereof. To provide power to temples 19, 19', continuous chains 39, 30 extend respectively from sprockets 30, 30' and are respectively driven by sprockets 40, 40. Sprockets 40, 40' are adjustably fixed by set screws 41, 41' to a common power take-off shaft 42 which extends longitudinally of the loom below fabric 12 and is journaled for rotation by journals 43, 43' respectively mounted on brackets 17, 17'. To rotate power take-oil shaft 42, a chain 44, driven from sprocket-45 on shaft15, drives sprocket 46 fixed to shaft J 42 It is now apparen'rthat'upon"'rotation""'of shaft "15 to rotate take-up roller 13, both temples 19, 19' are driven,

the speed ratios of the aforesaid gears and sprockets being such that themeari peripheralspeed of the 'rings'(such"a's 3'" rings. 27)' of temples 19,"19'are substantially the'same'" as the peripheral' speed of roller '13.

The operationof my loom-temple mechanism is readily'" apparent fro'm'i'Figfl4 wherein the woven fabric" 1 12 as stret'chedibetween temples 19, 19"an'd extends" over-roller 13. To 'install the cloth selvage of fabric 12 in temple 19, boss 37' is removed from the end of arm 20by removing bolt"38. 'Cov'er 34'is liftedand rotated about pin,

36 so that rings 27 and burrs 28 are exposed. The' cloth selva'ge is then installed overrings 27'Whereby burrs 28 extend substantially'through fabric 12;'the cover 34 then being rotated down to a position as shown in Figsl 2 and 3. Boss 37 i's then reinstalled on the end of arm by reinstallin'gbolt38 therein. The 'iden'ticahoperation is 20 follow-ed for installing the other'cloth selvage in temple Next, warp threads 11 are aligned with the reed and the tension of the weft thread between temples 19, 19 adjusted by adjusting'bracket s 21, 21 on breast beam 18.

After' proper tension and alignment have been attained, the positions of sprockets 41, 41' are adjusted so that each of sprockets '41, 41' is aligned withits complementary sprocket 40, 40'.

Theinachine is now ready to operate accordingto prior 28) is substantially less than the dragformerly incurred using prior art devices. Also, my'loom temple mechanism is particularly adaptable to woolens and worsted fabrics or other nap materialswhich are easilydamaged. by stressesapplied to the individual threads.

art procedure and in operation, utilizing myloom temple mechanism, the tensioncaused by burrs (such as burrs It will be obvious to those'skilled in the art that many variations may be made in the single embodiment chosen for purpose 'of illustrationwithout departingfrom the against rotation relative to said shaft, means-on -said shaft to prevent axial" sliding thereof, and means on said shaft for rotatably d'riving the SameL 2. In a loom temple, an adjustable mounting bracket, an arm having one end afiixed to said bracket and an opposite end provided with an aperture therethrough," a hollow cylindrical "sleeve rigidly fixed in said aperture, a shaft 'rotatablyinounted' in said'sleev'e, said shaft being provided on one end with an enlarged head and having a threaded portionintermediate'its ends, a plurality of outwardlyburredrings ari'an'gedon said shaft at approximatelyriglit'angles to the axis of said shaft, a lock nut on said threaded portion of s'aidshaft locking said rings l against? rotation 'relative'to said shaft, means on said shaft to prevent axial slidingthe'reof,-and means on said shaft for ro'tatably-driv'ing the same.

References Citedin' the file of this patent UNITED STATES PATENTS I 416,708 Avery DecklO, 1889 FOREIGN PATENTS. 1,005-

Great:Britainsafitntuantst of 1863 1 642,785

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