US929817A - Automatically-threading loom-shuttle. - Google Patents

Description

A. W. BEARDSBLL. AUTOMATICALLY THREADING LOOM SHUTTLE.

APPLICATION FILED B07112, 190B.

Patented Aug 3 1909.

UNITED STATES PATENT OFFICE.

ARTHUR W. BEARDSELL, OF MILFORD, MASSACHUSETTS, ASSIGNOR TO DRAPER COMPANY, OF HOPEDALE, MASSACHUSETTS, A CORPORATION OF MAINE.

AUTOMATIGALLY-THREADING LOOK-SHUTTLE.

Specification of Lettem Patent.

Patented Aug. 3, 1 909.

Application flied November 12, 1M8. Berta! No. 463,190.

State of Massachusetts, have invented an Improvement in Automaticall -'Ihreading LoomShuttles, of which the ollowing description, in connection with the acoompw nying drawing, is a specification, like characters on the drawing representing like parts.

Filling yarn is s on on bobbins with either a right or a le t hand wind, and consequent the yarn unwinds from the bobbin in t e shuttle in the opposite direction when the shuttle is operating in e loom, the arn whirling around to the right or to the eft as it draws oil over the tip of the bobbin to be delivered from the eye of the shuttle.

In automatically threadin shuttles, wherein the bobbin is insert while the loom is in motion, the threading device which assumes control of and automatically directs the thread of an incoming bobbin to the delivery-eye of the shuttle must be ado; ted to the particular Wind of the yarn on t e bobbins used. That is, if the wind is right-handed the threading device must be so arranged that the yarn as it whirls around in drawing oil will readily pass into the entrance to the thread passage from which it is led to the delivery-eye, but if the wind is left-handed the threadin device must he changed at the entrance ot the thread passage, to correspond. Such necessity requires the provision of both kinds of thread-figs devices so that when shuttles are suppl'i to a mill the particular wind! of yarn on the bobbins used will be properly taken care of by the means whereby the automatic threadin of the shuttles is efleeted.

y present invention has for its ob ect the production of an automatically threading shuttle so constructed and arranged that it will operate pr erly with iii-ling of either ri' ht or left hen wind.

have shown my invention in connection with a threwd'i-n device similar in its general features to t at shown in United Stntes- Patent No. 7t 314 gran-ted to Northrop September 13, 1904 but while that device can be used withonly one wind mine can be used with either wind, as will appear more fully hereinafter.

The various novel features of my invenceivin o able liob tion will be fully described in the snbjoincd SFBCIfiCEltlOD and parti ularly pointed out in t is following claims. resident of Milford, county of Worcester,

Ijignre 1 is a top plan view 0'] the threaddelivering end of an automatically thread- 1 ing Ioorn shuttle embodying one form of my present invention; Fig. 2 is a transverse sect-ion on the line 2-2, Fig. 1, looking toward the right; Fig. 3 is a side elevation and part central longitudinal section of the threading device or block, removed from the shuttle; Fig. 4 is a side elevation of the threading' device.

The shuttle-body A, having n bobbin-re ening A and provided with snitin-holdi'ng meme (not herein shown) and the side delivery-eye e, Fig. 1,

' are and may be all of well known construca ,ti-on', and herein I have shown the threading device or block as provided in its base 1 with a tubular thread, passage 4 having an elongated inlet slit 5 in'xits top at its outer end. l

The head 23 sn rm-ounting the usual horn 12, Fig. 4, is prolonged to forms beak 14, Fig. 1, which exten s above and across the front open end of the thread passage, and is overhi ed by a shield 15 on the oppositeside wa-- of the block, as in the Noifit'rq. 1

patent, the opposed faces of the side converging downwardto the edges of the inlet 5 t 5, and said faces longrtud'ineiiy recessed, as at 31, 32, the recesses extendin substantially to the rear end of three passage 4, and shove the some.

In accordance with my resent invention the inner or entrance on of the threadpassage and relatively thin partition 38, which in ractice fitted into a slot 1'", Pi .2, in the hose 1 of the block, and secured therein in any suitable manner, said part1- tion being simnoun'ted by athread-director shown as a: lnteradl' extended head 3" ing its longi'tndino ed overhanging the bottoms of the recesles 32, 1 and 2, and closely approac in the upright walls thereof, to form two narrow andelongated thread-entran-ces 35.

The head is eonvexed or rounded at its inner end, at 36, and at its other, outer end is V-shoped to form; forws (11 ex ded and diver ent prolongations o ers37, the tip- 0 ea-c'hfinger extendi g quite close to the upright wall of the adjacent recess 31 or 4 is divided by an upright, central 32, and acting as a guard for the adjacent thread-entrance 35.

It will be seen, Figs. 1. and 2, that two narrow thrcad-entrances to the thread passage 4 are provided, one at each side of the partition 33, and it will also be seen that the thrcaddirector or head 34 has oppositely sloping faces leading from its highest part in each direction to one of the thread-entrances 35, Figs. 1 and 2, the V- shaped notch 38 between the fingers being rounded, as shown in Fig. 1.

By the construction described the thread passage is provided with two narrow, elongated entrances for the filling thread, one at each side of the thread-director and the partition 33, and in the threading 0 eration the whirling thread as it draws 0 over the tip of the bobbin B, Fig. 1., will be thrown to one or the other side of said director, according to the winding of the yarn on the bobbin. As the thread whirls around it is directed by a sloping face of the thread-director into one or the other threadentrance 35, the thread being drawn under the adjacent finger 37 and passing downward by one or the other of the recesses 31, 32, as the case may be into the thread passage 4, the [in er then acting as a guard, in connection wit the overhan of the head 34, to prevent withdrawal 0 the thread after it has once passed throu h a thread entrance. This is effected on 51o first shot of the shuttle after filling replenishment,

. or to the left, Fig. 1, and the thread is ordinarily drawn under the shield 15 and be neath the hook-like beak 14, and then down through the slit 5 into the thread passage, so that on the next shot, to the right, the thread is directed by the horn 12 into the delivery-eye a", completing the threading, substantially as in the Northrop patent referred to. The thread may fail to be drawn beneath the shield 15 and under the beak 14 on the first shot of the shuttle after replenislnnent, but in suchevent the thread will still be delivered uninterruptedly and properly from the shuttle independently of the delivery-eye thereof. After the thread has passed through a thread-entrance 35'and under the adjacent fin or 37 it can draw off around or over the e go of the V shaped notch 38, either across the forward part of the head 13 if the shuttle is moving to the left, Fig. 1, or across the thread-director 34 and a fin er if the shuttle is inoving to theright. ion the thread is drawn down through either thread-entrance 35 into the inner end of the thread passa e the thread passes through the narrow in ct slit 5 into the outer or forward part of the passage, from which it can not thereafter escape accidentally.

Viewing Fig. 2, if the thread unwinds from left to right its rotative movement will cause it to be shed from the threaddirector into the right hand thread-entrance 35, and down through it into the inner end of the thread passage at the right hand side of the partition 33, and the continued whirling or rotative movement of the thread tends to keep it in that part of the passage, the overhang of the thread-director and the finger 37 at that side positivel preventing withdrawal of the thread. I the thread unwinds from right to left it will, in a similar manner be directed through the lefthand thread-entrance 35 into the passage at at the left of the partition 33. The thread passage is duplex at its inner end, as will be obvious, by reason of the interposed partition 33, but at its outer end nearer the de livery-eye it is single and tube-like, as in the patent to Northrop. At the inner end of the thread-block a seat 21 is provided, to receive a piece of felt 22 to act as a tension device for the thread 6, shown onl in Fig. 1

but in actual practice the subivision o the inner end of the thread passage and consequent constriction of the two parts acts also with a retarding effect upon the thread.

The construction of the threading device or block, outside of the novel features of my present invention, may be varied, and so too the details of construction and arrangement of the novel features hereinbefore described may be varied or modified by those skilled in the art without departing from the spirit and scope of my invention as set forth in the annexed, claims.

Havin fully desdribed my invention, what I c aim as new ,ahd desire to secure by Letters Patent is 1. An automatically threading loom-shuttle provided with a delivery-eye and .with a longitudinal thread passage having two elongated, narrow thread-entrances at its inner end, and means to automatically direct the filling-thread through one or the other entrance into the passage, according to the rotative movement of the thread as it is drawn ofi from the thread-supply, and twlo fixed and diver 'ng prolongations on said means adj aoent t e thread entrances and extended toward the delivery end of the shuttle and around either of which the thread may draw to be delivered, each rolongation. preventing withdrawal of the bread from the adjacent thread-entrance.

2. An automatically threading loom-shuttle provided with a delivery-eye and a thread-passage with two separate, narrow thread-entrances at its inner end, and hav ing means to direct the filling-thread into the passage and thence-to the delivery-eye, said means including a thread-director having oppositely sloping faces leading to the two t read-entrances res ectively, to direct the thread into one or he other according to the direction of rotation of the thread as it draws ofi from the thread-su )ply, and a fixed leader from which the t read may draw uninterruptedly and independently of the delivery-eye after it has passed through either thread-entrance. i

3. An automatically threading loom-shuttle provided with a delivery-eye and a thread-passage with two separate, narrow thread-entrances at its inner end, and having means to direct the filling-thread into the passage and thence to the delivery-eye, said means il'icluding a threm'l-director having orpositely sloping faces leading to the two t mead-entrances respectively, to direct the thread into one or the other according to the direction of rotation of the thread as it draws off from the thread-smgply, the

thread-director being V-shaped at its for ward end to form two divergm fingers and constitute a leader from \v iich the thread may draw uninterrnptedly and indenendently of the delivery-e e after it has assed through either threa entrance, each nger serving to revent withdrawal of the thread from a thread-entrance after it has passed therethrouh.

In testimony w ereof, I have signed my name to this specification, in the presence of two subscribing witnesses. v

ARTHUR W. BEARDSELL.

\Vitnes c Enwixno DANA Osooon, Annmz'r W. EDWARDS.

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