US1467653A - Weft-carrier magazine - Google Patents

Description

Patented Sept. ll, 1923.

pair

titte-ii EPPA H. avon, OE WAHI-IAM7 MAssAoHsETrs, nssrenon TO OEOMPTON a KNOWLEs LOOM WORKS, OE WORCESTER, MASSACHUSETTS, A CORPORATION OE MASSA- CHUSETTS.

WEETLCAREIER MAGAZINE.

Application filed October 20, 1921. Serial No. 509,112.

To all whom t may concern Be it known that Ii, EPPA H'. Riton, a-citizen of the United States, residing-at Vilaltham, in the county oiMiiddleseX and State oit Massachusetts, have inventeda new and useful Wett-Carrier Magazine, of which the :following is a speciieation.

This invention relates to a weft `carrier magazine for an automatic wett replenishii'ig loom and particularly to means for pre- '\f'enting angular movementor `vibration of the wett carriers in the magazine during the loom operation. lt is found that'wettcarriers heldin the vertical compartments el a weft carrier magazinev ot' the stationary type receive angular or vibratory motion during the operation of the loom which, it' long continued, may weaken vthe wettends by chaling between adjacent weitt carriers or between the butt-s of the carriers and parts of the magazine traine. Such angularmovement also 'frequently entangles the weft ends of the different welt carriers and thus 'inter- :leres seriously with the replacement of an exhausted weft carrier.

lt is the object oit my inventionV toprovide weit carrier engaging members so designed that they will preventsuch'angular movement of the wett carriers during the normal operation of the loom but will permit the welt carriers to drop freely as the lower weit carrier in a compartment moves. toward transfer position.'

rille preiierred embodiment of `my invern tion contemplates the provision o'ty a weft carrier engaging member for each `vertical compartment oill the magazine, such members cach having a knife-like edge adapted to engage the' weft carriers in any angular position tl'iereo'f and to restrain angular movement of the weft carriers thus engaged.

lily invention further relates to arrangements and combinations of parts whichwill be hereinafter described and'more particularly pointed out in the appended'` claims,

A preferred form of my invention is shown in the drawings, in which- Fig. 1 is a. left hand side elevation of a weft carrier magazine having my improve ments embodied therein;

Fig. 2 is a sectional elevation taken along the line 2-2 in Fig. 1;

F 3 is a detail sectional plan view taken along the line 3 3 in F ig. 2; and

Fig. el is a detail viewV ot' a-slight modification.

Reterrmg to the drawings, l have shown portions Ot a magazine frame 10 adaptedy to diameter of a bobbin, andi the bobbins dispose themselves in staggered relation as indicatedvin dotted lines in Fig. 1.

Suitable provision (not shown) is made Orguiding and supporting the tips o1I the bobbinsor weft carriers, this part ofthe magazine being of the usual construction These guides are pret-- and being shown and describe-d7 together `with other magazine parts in my prior Patent N O. 1,030,748, issued June 25,1912. These parts include the vertically moving release members or bars 13, locking plungers 1a for said'bars, and lifting leversI 15 mounted` on a crossshaft 16 andfadapted to selectively engage and move the bars 13. The shaft 16 is movable both axially and angular'ly as indicated by the double arrows in Fig. 1.

ln the "usual operation ofthe mechanism a bar 13 is raised by a lever 15 to release a weit carrier upon indication of' exhaustion ofy a particular weft carrierl This bar is held in raised position by its plunger 14 untilV the indicated shuttle returns to trans ter position.

For a further description of' the actuating mechanism and for a more detailed statement ot' the operation of these several parts olf the magazine, reference is made to my prior patent above mentioned.

My improvedweit carrier engaging device .in its preferred form comprises a plate 17 for each compartment, slidable in the slot or groove of a rib or projection 13 (.Fig. 3) on the inner end wall of the weft carrier compartment. The plates are retained in the grooves by cross pins 19 extending through slots 20 obliquely disposed in the plate 17. Light springs 21 are connected to lugs 22 projecting through openings in the magazine frame and yieldingly force the plates downward and outward against the butts of the weft carriers W. A second lug or projection 24 on each plate is positioned Yfor engagement by a pin 25 extending laterally from its associated release bar 13.

During the normal operation of the loom,`

therelease bars 13 are in their lower positions and the plates 17 are drawn downward and advanced by the springs 21 so that their knife-like edges engage the butts ot' the wett carriers with sutlicient pressure to practically prevent angular movement or vibration thereof. When, however, a weft carrier is to be released for transfer, its plate will be withdrawn from holding position by upward movement oit its bar 13 and will be retained in withdrawn position until downward feed of the wett carriers has occurred.

In Fig. 4 I have shown a slight modification in which the lower slot 25a in a weft carrier engaging plate 26 is vertically disposed, while the upper slot is inclined as shown in Fig. 2.V With this arrangement, the plate 26 just clears the butts oi the weft carriers at the lower end of the compartment but is forced outward to engage the wett carriers at the upper end. This arrangement allows greater freedom forthe weft carriers about to be transferred while securely engaging and preventing angular movement of the more easily moved wett carriers in the upper part of the compartment.

Having thus described my invention it will be evident that changes and modiiications can be made therein by those skilled in the art within the spirit and scope o'l' my invention as set Jforth in the claims and I do not wish to be otherwise limited to the details herein disclosed but what I claim is 1. In a loom, in combination, a stationary magazine having a plurality of vertical weft carrier compartments, devices to prevent angular vibratory movement of the weft carriers in said compartments, and means to render a selected device inoperative upon indication of exhaustion of the wett carrier in a selected shuttle.

2. In a wett carrier magazine, a frame, guides on said frame forming compartments for weft carrier butts, wett carrier engaging members mounted on said frame and yieldingly movable to engage the butts of weft carriers disposed in said compartments, and means to withdraw the member associated with a particular compartment from en-.

magazine having a plurality of vertical wett carrier compartments, a holding plate mounted in each compartment and yieldingly movable to engage the weft carriers contained therein, and means to withdraw a selected plate from engagement with the weft carriers in the corresponding compartment upon indication of exhaustion ot the weft carrier in a selected shuttle.

4C. In a loom, in combination, a stationary magazine having a plurality ot vert-ical wett carrier compartments, a holding plate for each compartment having obliquely disposed slots therein, guide pins for said plates fixed in said magazine and extending through said slots, springs for yieldingly moving each plate downward independently, and selective means for raising a particular plate upon indication ot exhaustion of the wett carrier in a selected shuttle.

5. In a loom, in'coinbination, a stationary magazine having a plurality of vertical wett carrier compartments, a plurality ot plates having knife-like edges movable into engagement with the weft carriers in said compartments, and means to move said plates yieldingly to operative position.

6. In a loom, in combination, a stationary magazine having a plurality of vertical wett carrier compartments, a plurality of plates having knife-like edges movable into engagement with the weft carriers in said compartments, and means to move said plates yieldingly to operative position and selectively and positively to inoperative position.

7. In a loom, in combination, a stationary magazine having a plurality of vertical weft carrier compartments, a plurality of plates having knife-like edges,`means to guide the upper portions ot said plates downward and inward against the wett carriers, and means to positively withdraw said plates from said wett carriers.

8. In a loom, in combination, a stationary magazine having a plurality of vertical weft carrier compartments, a release bar for each compartment, a wett carrier engaging device in each compartment, means to yieldingly advance each device to weft carrier engaging position, and means to selectively actuate each release bar to withdraw an associated device from weft carrier engagement upon indication `of wett exhaustion in a selected shuttle.

In testimony whereof I have hereunto affixed my signature.

EPPA H. RYON.

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