US2411947A - Reversible bobbin receiving bag - Google Patents

Description

Dec. 3, 1946. w. H. WAKEFIELD REVERSIBLE BOBBIN RECEIVING BAG Filed Dec. 22, 1945 ATTORNEY INVENTOR v WALTER/i WAKEFIELD v UNITED STATE Patented Dec. 3, 1946 2,411,947 I REVERSIBLE BOBBIN nEcErvfiNG BAG I Walter H. Wakefield, Worcester, Mass, assignor to Crompton & Knowles Loom Works, 'Wo'roester, Mass, a corporation of Massachusettsxj 1 Application December 22, 1945,. Serial No. 636,951 14 Claims. (Cl. 139-255) This invention relates to improvements in bobbin receivers for weft replenishing looms and it is the general object of the invention to provide a receiver which is reversible or can be turned inside out to discharge bobbins therefrom.

In weft replenishing operations the spent or exhausted bobbins are discharged downwardly from the shuttle and are ordinarily collected in a can or the like which must be lifted'and inverted when the bobbins are tobedischarged therefrom. It is an important object of the present invention to provide a bobbin receiver including a flexible bag mounted on the loom and provided with pull cords or the like by which it can be turned inside out to effect forward discharge of the bobbins. The cords are preferably attached to the bottom of the bag and thenpass through guides at the rear part of the bag, With such an arrangement upward pulling of the cords will swing the rear part of the bag forwardly away from operating mechanism. such as the picker stick, andv as the bottom passes through the mouth of the receiver the bag will be reversed.

It is another object of the invention to provide the bobbin receiver with a rigid top frame pivotally mounted at the rear part thereof to the loom so that the frame can be turned from the normal rearwardly inclined position thereof to a discharge position in which the mouth of the receiver will face forwardly so that when the bag is turned inside out the bobbins will be discharged in a'frontward direction. I Weft replenishing loomsordinarily include a bobbin guiding chute which reciprocatesbackwardly and forwardly in a given path and down which'the discharged bobbins move toward the receiver. The mouth of the receiver ordinarily extends under theforward part of this path. When the upper part of the receiver is pivoted asfjalready stated it can swing down to its discharge. position without interferingwith the path of the chute.

the direction of arrow 4, Fig. '1, and showing the parts in normal position, j I

Fig. '5 is a, View similar to Fig. 4 but showing the parts in discharge position,

Fig. 6 is a view similar to a part of Fig. 1, but,

showing the receiver in discharging position pre- With these and other objects in view which will appear as the description proceeds, my inventionresidesinthe combination and arrangement of parts hereinafter describedand set forth.

In the accompanying drawing, wherein a convenient embodiment of my invention is set forth,

Fig. 1 is a side elevation of part of a loom showing the invention in normal position, parts of the loom beingin section,

Fig- 2 is a plan view'of the receiver looking in the direction of arrow 2, Fig. 1, I

Fig. 3 is a vertical section on line 3-.3 of Fig. 2,

- Fig. 4 is an enlarged detailed plan looking-in paratory to emptying the bobbins therefrom,

Figs. 'Zand 8 are diagrammatic views showing. successive steps in turning the bag inside out for the purpose of. discharging the bobbins'therefrom, and I I Fig. 9 is a front elevationlooking in the direction of arrow 9, Fig. 4.

Referring particularly to Figs. 1,2 and 3, the loom frame l0 supports a lay H provided with a shuttle box l2 to receive a shuttle S. A bobbin guiding chute I3 is secured to the lay and extends downwardly and forwardly from a position under the shuttle boXto guide spent orexhausted bobbins which are discharged downwardly from the shuttle S during replenishing operations. The lay moves backward'ly and forwardly during loom operation so that the chute l3 traverses a back and forth path. Replenishi-ng operations occur when the chute is at the left end of its path as viewed in Fig. l, or at sIo-called front center,

The bobbin receiver forming the subject matter of the present invention is indicated generally at R and. includes an upper frame F, a bag B made of cloth or similar flexible material, and a support A mounted on the loom frame. The frame F may be made of a single bar or rod bent as indicated in the drawing and wil1 have a rear member 15 more or less parallel to the lay ex tendin outwardly from the loomside and then bent forwardly to form the outer side member l6, after which the bar is bent back toward the loom frame to provide a front member IT which in turn is bent rearwardly to form aninner side member Hi. The members l5 l8' form anopen preferably rectangular mouth M which normally faces upwardly and receives bobbins descending from'the chute l3. s I

The inner side member; at the rear part thereof is bent downwardly to from a ,stopjarm 2D and then horizontallytoward the loom frame toprovide a journal, 21. llhe journal extends into and is rotatable and slidablejina bearing hub 22, on the support A, the latter being fas tened. to the loom frame as at 23. The axis of the hub is horizontal and preferably parallel to the lay.

I The hub 22has extending laterallyfrom the forward part thereof a stop lug 25 provided with a rearwardly facing vertical groove .26 proportioned to receive the stop arm 20. A second lug 27 projects from bearing 22 beyond and below lug 25 and spaced from the latter to form a notch 28. The notch receives stop arm 20 and lug 21 supports it when bobbins are being discharged from the receiver. The journal 2| extends beyond the inner end of bearing hub 22 and has secured thereto a collar 30 which will be spaced from the bearing 22 when the stop arm 2c is in the notch or recess 26. The collar 30 is so located that the journal 2| can slide along the bearing 22 in a direction away from the loomside sufiiciently to enable the stop arm or member 20 to clear the upper part of the lug 25 but not far enough to move beyond the lower stop lug 21.

The bag B may be made ofany sufficiently flexible and wear resisting material and has its upper edges attached in any approved manner to the members ll8 of th frame F. The interior of the bag will have secured thereto two sets of guide means such as eyelets, one of these sets being preferably adjacent to that part of the bag which depends from the inner side member l8 and the other set being on the opposite side of the bag which depends from the member [6. Each set of guides will have a forward eyelet 35, a lower rear eyelet 36, and an upper rear eyelet 31. A lifting cord or strap 38 is provided for each set of eyelets, and each cord is fastened to its corresponding forward eyelet 35 and then is trained through its eyelets 36 and 31 and extends upwardly to the forward part ofthe mouth of the bag and may have a hook 40 thereon to be held by the front member I! of the frame F. I find it is preferable to have the upper rear eyelets 31 a considerable distance below the back member [5, this distance being preferably greater than the distance between the front and back members l1 and I 5, respectively.

Under normal conditions the parts will be as shown in Fig. 1, the stop arm 20 being held in notch 26 by the weight of the receiver which is in front of its pivot. The collar 30 will be spaced inwardly or toward the loom frame from the bearing 22 and the mouth M will be facing upwardly but will be inclined downwardly and rearwardly with the front member l1 above or at a higher level than the rear member l5 of the frame F. The reason for this relation is to prevent accidental forward escape of bobbins descending from the chute l3 if they should happen to rebound from other bobbinsalready in the receiver. The cords or straps 38 will be slack and of sufficient length to allow the bag to hang freely so that its full capacity wil1 be available for the collection of bobbins.

When it is desired to empty the receiver of the bobbins contained therein frame F will be rocked a slight distance in a clockwise direction as viewed in Fig. l to disengage the stop arm 20 from the notch 26, after which the receiver will be moved from the position of Fig. 4 away from the loom frame a slight distance as the journal slides in the bearing until the parts assume the position shown in Fig. 5. The stop arm 28 will now be beyond lug 25 and over lug 2'! and frame F will bedrop'ped and will pivot in a counterclockwise direction as viewed in Fig. 1 around its pivotal support A. The stop arm 20 will now be on lug 21, and a slight inward movement toward the loom will cause arm 20 to enter notch 28. This operation will place the receiver as shown in Fig. 6 with the mouth M inclined downwardly and forwardly and opening i a direction it to its normal position, pushing the bag back.

through the frame F and slackening the cords 38. The frame F is then moved outwardly to disengage stop arm from notch 28 and is then raised by an angular movement which is clockwise as viewed in Fig. 1; until the stop arm 20 is slightly behind the stop lug 25. after which the receiver is moved a short distance toward the loom frame so that the stop arm 20 can enter notch 26. The receiver is now reset and will remain in a. stable position due to its weight as already described.

When the bag is being turned inside out the upward pull on cords 38 may tend to raise frame F. This motion will be prevented by engagement of stop arm 20 with the underside of lug 25.

t may not be necessary in all instances to use the notch 28, since the attendant can hold frame F down with one hand while pulling on cords 38 with the other hand.

The hooks 40 shown for the upper ends of the cords 38 are not essential, since the cords can fall into the bag and the attendant can lift them from under the accumulated bobbins preparatory to emptying the bag. While I have shown one means for holding the receiver in its normal position with the front member [1 above the rear member 15, yet I do not wish to be limited to the particular means shown for instance in Figs. 4 and.5 for accomplishing this result.

From the foregoing it will be seen that I have provided simple means by which a cloth bobbin receiver can be turned inside out in order to dis- 45 charge bobbins from it. It will also be seen that the frame F is so mounted that it can be swung from a normal downwardly and rearwardly inclined position to a discharge position in which it is inclined downwardly and forwardly. It will 50 further be seen that the cords or straps 38 afford means for. lifting the bottom of the bag to permit reversal of it so that it can be drawn through the mouth M of the frame F, and in this connection it will also be noted that the eyelets through which the cords extend are located'on the rear parts of the bag so that these parts will be moved forwardly away from operating mechanism of the loom as the bottom of the bag is raised. The pivot for the frame is at the rear part thereof and the mouth of the receiver moves to discharge position without interfering with the back and forth motion of the bobbin chute.

Having thus described my invention it will be seen that changes and modifications may be 65 made therein by those skilled in the. art without departing from the spirit and scope of the invention and I do not wish to be limited to the details herein disclosed, but what I claim is:

. 1. In a bobbin receiver for a weft replenishing 7 loom, a frame'at the upper part of the receiver defining a mouth therefor, a flexible bag suspended from said frame, and means connected to the bag for turning the latter inside out to efiect discharge of bobbins from the bag through the m th.

"the lower part of the 5 2. In a bobbin receiver for a weft replenishing loom, a frame at the upper. part of th receiver defining a mouth therefor, a flexible bagsuspended from said frame, and means attached to bag to lift the bottom of,

the bag toward said frame to discharge bobbins in said bag through said mouth.

3. In a bobbin receiver for a weft replenishing loom, a frame at the upper part of the receiver defining a mouth therefor, a flexible bag suspended from said frame, and means connected to the interior of the bag and positioned to be drawn upwardly through said mouth for the purpose of turning the bag inside out to discharge.

bobbins in the bag through said mouth.

4. In a bobbin receiver for a weft replenishing loom, an open frame at the top of the receiver defining a mouth therefor, means to support the frame with the front part of the mouth at a level below the back part of the mouth, a flexible bob bin holding bag suspended from said frame, and means connected to the interior of the bag and effective when raised to lift the bottom of the bag and turn the latter inside out.

5. In a bobbin receiver for aweft replenishing loom, an open frame, means to support said frame with the front part thereof at a level lower than the back part thereof, a flexible bobbin holding bag suspended from the frame, and means connected to the interior of the bag which when pulled upwardly through the frame turns the bag inside out to effect discharge of bobbins in the bag through the frame.

6. In a bobbin receiver for a weft replenishing loom, an open frame, means to support said frame with the front part thereof at a level lower than the back part thereof, a flexible bobbin holding bag suspended from the frame, and means attached to the lower part of the bag to lift the bottom of the bag toward said frame to discharge bobbins in the bag through said frame.

'7. In a bobbin receiver for a weft replenishing loom, an open frame for the upper part of the receiver defining a mouth therefor, a flexible bag suspended from said frame, and flexible lifting means within the bag connected to the lower part thereof and extending along the rear part of the 10. In a bobbin receiver for a weft replenishing loom, an open frame for the upper part of the receiver, a flexible bag suspended from the frame, means carried by the loom constituting a horizontal pivot the axis of which is near the rear part ofthe frame and around which the latter is movable downwardly from the normal position thereof, and releasable means holding said frame in normal position and inclined downwardly and rearwardly, said means when released permitting downward swinging of said frame to a position in which the latter is inclined downwardly and forwardly.

11. In a bobbin receiver for a weft replenishing loom, an open frame forming the upper part of the receiver, a flexible bag suspended from the frame, a pivotal support for the rear part of the frame mounted on the loom, and disengageable means normally holding said frame ina normally downwardly and rearwardly inclined position, said means when disengaged permitting said frame to swing downwardly around said pivotal support to a discharge position in which said frame is inclined downwardly and forwardly.

12. In a bobbin receiver for a weft replenishing loom, an open frame for the upper part of the receiver having a horizontally extending journal at the rear part thereof, a sliding and pivotal support for said journal mounted on the loom, and a stop for said frame, said journal when in normal longitudinal position with respect to said bearing causing said stop to engage said frame andsupport the latter in a downwardly and rearwardly inclined position, and said journal when moved longitudinally in a given direction in said bearing causing said frame to move away from said stop, whereupon the latter can fall to a discharge position in which it is inclined downwardly and forwardly.

13. In a bobbin receiver for a weft replenishing loom, an open frame defining a mouth for the receiver, a bag suspended from said frame, a

horizontally extending journal on the rear of said frame, a, bearing for said pivot on the loom,

and support means for said frame Withrespect to which the frame is movable from engaging position to non-engaging position, said support bag and effective when raised to lift the bottom of the bag and turn the latter inside out to discharge bobbins in the bag through the mouth.

8. In a bobbin receiver for a weft replenishing loom, an open frame, means to support said frame with the front part thereof at a level lower than the back part thereof, a flexible bobbin holding bag suspended from the frame, flexible means connected to the bag adjacent to the bottom thereof and extending along the rear part of the bag and then upwardly through the mouth and I effective when raised to lift the bottom of the bag and pull the rear part of the bag forwardly and turn the bag inside out to effect discharge of bobbins within the bag through the mouth.

9. In a bobbin receiver for a weft replenishing loom, an open frame, means to support said frame with the front part thereof at a level lower than the back part thereof, a flexible bobbin holding bag suspended from the frame, guide means arranged along the'rear part of the bag, and flexible lifting means extending through said guide means and attached to the bottom of the bag, said flexible means when lifted moving the rear part of the bag forwardly and raising the bottom of the bag and effective to turn the bag inside out.

means normally holding the frame with the mouth inclined downwardly and rearwardly,

when the frameis in engaging position, and said frame when in non-engaging position being movable pivotally downwardly to a position in which the mouth is inclined downwardly and forwardly. 14. In a bobbin receiver for a weft replenishing loom having a, bobbin chute reciprocating backwardly and forwardly in a, given path, an open frame for theupper part of the receiver defining a mouth for the latter, a flexible bag suspended from said frame, a pivotal connection between the loom and the rear part of said frame, and support means for the frame, said support means and frame bein movable with respect to each other to two different relative positions, said framewhen in one of said positions being held by said support means with the mouth inclined downwardly and rearwardly and extending under said path,said frame when in the other of said positions being. capable of downward movement around said pivotal connection to a position in which the mouth is inclined downwardly and forwardly and forward of said path.

; WALTER H. WAKEFIELD.

Images