US1707512A - Rack for actuating the shuttles of narrow-ware looms - Google Patents

Description

c. DANIELS April 2, 1929.

RACK FOR ACTUATING THE SHUTTLES OF NARROW WARE LOOMS Filed Feb. 26, 1927 A TTOR/VEY lecated at intervals andthe said means is' Patented Apr. 2, 1929.

"n ar as psrnriss commune DANIELS, "OF mmnnnnrr-rm,

PENNSYLVANIA, nssrenon or ONE-HALF T0 JULIUS n. nun,cn-rnrnnnnnrrrra, amnusrnvnnrA.

RACK FOR AGTUATING TIC-Elli. SE vIlTJ'"JTILES OF NABEOIV VIA RE LOOKS.

Applicationfiled February 26,4927. Serial No. 171,133,

My invention relates to improvements racks which which are employed to effect or cause reciprocatory movements of the shuttles embodied in looms for weaving narrow-ware fabrics; In narrow-ware looms the-shuttles and the immediatelycooperating means associated therewith for'the acutation thereof are adapted to be operated by means -of. a rack common to all of the'sai'd shuttles and the said means immediately associated therewith."

Heretofore these racks have consisted of fibre or wood and. the construction usually has embodied a wooden bar of suitable dimensions having in one side thereof a slotwithin which a wooden rack has been mounted and secured usually by cement. These racksfrequently are of considerable length, say20 'feet'moreor less, and their construction has involved relatively great expense. A further expense incident torsaid wooden racks has been due ;to the fact they become worn in relatively short PBIIOClS of time whereby they become unfit for further use. In other words, such wooden racks have been lacking in durability.

The general object of the present invention is to provide a rack of novel construction of a character such that lts use may be continned indefinitely because of its great durability. I i

It also is an object of the invention to pro-' vide a rack of novel construction consisting preferably of a wooden bar having a slot in one side thereof within which is located a rack of sheet metal crimped to form teeth therein of the proper dimensions and in proper spaced relation with respect to each other.

In order that the inventlon may be readily understood and its'practical advantages fully appreciated reference may be had to the accompanying drawingin which I have illustrated one form of embodiment thereon.

However, it will be understood that changes in details of construction may be made within the-scope of the claims without departing from the said invention. I

In the drawing Fig.1 is a view in elevationof three shuttles with the blocks provided with raceways through which the shuttles are adapted to be reciprocated and also showing gears in elevation which are adapted to be actuated by the ner.

reciprocation of the rack'bar, theclatter be ing shown in longitudinal section; and

Fig. 2is a viewin perspective of aportion of araclr-bar with a partthereof broken away and sectioned in order that-thecrimped rack strip may be more clearly exposed to View.

, In the drawing'l have shownthree blocks 1 each of which is provided with raceways 2 ancl3 which extend crosswise of each otheras snown. Each of the shuttles l operates in one of the racewaysioftwo .adjoining blocks as is clearly indicated in Fig. 1 of the drawing. Eachof the shuttlesisprovided with teeth 7 which are adapted to be! engaged-by' which is provided aslot 11. Within the said slot rack teeth 12 are provided. These teeth are formed by crimping or corrugating-arele atively thin metal strip 13. Such crimping may be effected in any desired known man- The size ofthe teeth and the spacing thereof may be varied in order to adapt the same to the teeth of the gears 8 with which they must mesh in the operation of the same. The strip 13 crimped and corrugated as sh own is located within the slot 11 and may be {218? ten ed or secured therein in any desired known manner. Cement or any other means suit-' able for the purpose may employed for fastening the same permanently within the said slo i A rack consisting of a crimped 0r corrugated sheet metal strip maybe constructed at a minimum of cost or expense, yet its durability is very muchgreater than a rack of wood which might be located within the slot 11 and employed foroperatmg the gears 8. As has been suggested already the rack for operating thegears 8 may be of consid,--

erable length, say QOfeet more or less. The advantage therefore of using a rack made of a narrowstrip of relatively thin sheet metal is apparentlbecause the rack may consist of a single integral strip. In the case of wood it is not practicalto form the teeth in a single strip of wood provided the rack is of: the length above indicated, but instead of employing a single long strip the teeth are torn'ied in a greater or less number of relatively short strips, which then are placed in end to end relation in the slot 11 and secured in place therein. it will be apparent therefore that it would cost very much less to produce a rack bar con'iprising a rack made of a narrow strip of relatively thin sheet metal than it the said rack consisted of wood having teeth formed therein.

In a narrow-ware loom of the character of that referred to herein in which a rack embodying my invention is adapted to be emiloyed for effecting reciprocation of the shuttles 4 which carry the weft or filling to be laid in the shed torn'ied in the warp threads, means is provided "for effecting reciprocatory movements of the rack. but such means is not shown because it constitutes no part of my invention and because any known means for that purpose may be employed. The rack is in engagement with the gears 8 and reciprocation thereof causes oscillatory movement of the sait gears and the latter being in engagement with the gear teeth upon the bottom sides 01' the shuttles l elliects reciprocatory movements thereof in'the race waysil in the blocks 1 through the paths as indicated in Fig. l of the drawing. The bar 10 with the rack 13 supported thereon may be supported in any suitable known manner. I

have indicated a fragmentary portion only I claim and desire to secure by Letters Patent is: v y

1. A rack for actuating the shuttles of narrow-ware looms consisting of a wooden bar and a rack mounted thereon cons ing of a narrow strip oi? sheet metal corrugated to form rack teeth which are adapted to engage means for actuating the said shuttles.

2. A rack tor actuating the shuttles of narrowwmre looms which consists of a bar oi wood having a slot in one side thereof, which slot extends longitudinally oi the said 'baiya narrow n'ietal strip crimped to iiorm projections at intervals therein constituting gear teeth located within the said slot, and means slot.

in testimony that I claim the foregoing as my invention 1 have hereunto signed my name this 25th day of February A. D. 1927. I CORNELIUS DANIELS.

.60 for securing said crimped strip within said

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