US2443839A

US2443839A - Loose end eliminator

Info

Publication number: US2443839A
Application number: US674622A
Authority: US
Inventors: Wilbur D Stegall; Robert L Bruton; Albert J Bartson
Original assignee: Individual
Current assignee: Individual
Priority date: 1946-06-05
Filing date: 1946-06-05
Publication date: 1948-06-22
Anticipated expiration: 1965-06-22

Description

June 22, 1948. w. D. STEGALL EI'AL 2,443,839

LOOSE END ELIMINATOR Filed June 5, 1946 2 Sheets-Sheet 1 Wilbur D. SIega/l Robert L. Brufon A/berf J Barfson Z 1 WW.

FIG. 2

June 22, 1948. w. D. sTEGALL ETAL LOOSE END ELIMINATOR 2 Shets-Sheet 2 Filed June 5, 1946 FIG. 3

Wi/bur D. .Slegall Robert L. Brufon Albert J. Bar/son Patented June 22, 1948 UNITED STATES PATENT OFFICE Wilbur D. Stegall, Concord, and Robert LQBruton and Albert J. Bartson, Charlotte, N. C.

Application June 5, 1946, Serial No. 7 2

This invention relates to a loom and more especially to a loom provided with replenishing means, wherein this invention is designed for removing loose ends from an outgoing bobbin upon a transfer taking place by the moving into the shuttle of the new bobbin and the expulsion from the shuttle of the exhausted bobbin. Usually there is a feeler mechanism in a replenishing loom which detects the absence of yarn n the bobbin just before the yarn is completely exhausted from the bobbin. This feeler mechanism sets in motion a transfer mechanism, which transfers a bobbin from the magazine in a box loom or from the battery in a battery loom into the shuttle, and at the same time ejects the almost exhausted bobbin from the shuttle into a suitable can disposed below the shuttle box. Usually there oc- 1 It is an object of this invention to provide in a replenishing loom, means for engaging and removing from operative position the end of yarn on an exhausted bobbin as it is being transferred from the shuttle into a suitable receptacle.

It is anotherobject of this invention to provide in a replenishing loom, means for engaging and removing from the path of the shuttle the end of yarn on an exhausted bobbin, which is being ejected from the shuttle. Some of the objects of the invention having been stated, other objects will appear as the description proceeds when taken in connection with the accompanying drawings, in which Figure 1 is a top plan viewof the portion of a loom showing my invention applied thereto;

' Figure 2 is a front elevation looking from the lower side of Figure 1;

Figure 3 is an end elevation looking from the right hand side of Figure 2;

Figure 4 is atop plan view of the major portion of the invention disassociated from the loom;

Figure 5 is a view partly in section and partly in elevation taken along line 55 in Figure 4. Referring more specifically to the drawings, the numeral l0 indicates a loom frame having a conventional lay ll provided with a shuttle box 12 for receiving bobbins 23. The lay is equipped with a suitable reed I5 for beating up the filling inthe weaving of the cloth l6. a

P The loom is also equipped with a suitable 8 Claims. (Cl. 139-261) movin ablade transfer arm ll and a picker l8 sliding on a conventional picker rod I9, and propelled by a picker stick 20. The loom also has a conventional magazine 22 in which bobbins 23 are stored for transfer by the transfer arm I! into th'eshuttle 13 disposed in the box when the detectin mechanism, not shown, calls for a transfer operation. The loom is also equipped witha crank shaft 24 and it has a conventional rock shaft 25 having swords 26 thereon, which at their upper ends are suitably joined to the lay of the loom'for imparting oscillation to the lay. Although this invention is shown as applied to a box loom. itis desired to be understood that it can operate equally as well on a battery loom having a rotary battery disposed in a suitable hopper frame.

There is also provided a suitable empty bobbin can 2'1 for receiving the empty bobbins 28.

On th'eouter end 'of the lay of the loomythere is provided a bracket 30, having pivotally secured thereto as at 3|, an oscillating member 32. to which is secured a serrated blade 33. There is also provided on the loom a spring perch 34 to which one end of a tension spring 35 is secured, the other end of the tension spring 35 being secured, as at 36, to the serrated blade 33.' Also there is pivotally secured on the blade 33, as at 40, a bracket 4!, which has pivotally secured thereto, as at 42, which is a horizontal pivot, a connecting rod 43, which projects over beneath the end of the shaft 24 and is slidably mounted in an oscillating bearing 45 mounted on spring perch 24, This rod 43 has adjustably secured thereon a cam member 46, and on shaft 24 is mounted a cam 41, which is adapted to engage the cam 46 and ride upwardly on its sloping face 48 to project the rod 43 forwardly, which gives a swinging movement to the serrated blade 33. Secured to the back side of the shuttle box l2 by means of a bolt is a downwardly projecting member 6| which has a leather bumper 62 secured near its lower end for limiting movement of blade 33 to preventits striking the picke stick 20. a 3 a l The loose end of the yarn isindicated at 5|. There is provided on the lay a downwardly projecting plate 52,'having serrations 53 on itslower edge for engaging the loose ends 5| and assisting in removing them from the shuttle box, since the loose ends 5| are projecting against the serrations in the lower edge of plate 52 bythe V I 7 Method ofopera tion -Let us assume that the lay is moving upwardly away from the operator in Figure 1, or to the right in Figure 3. This will happen while the pointed end of cam 4'! is traveling through the upper portion of its circular travel. As the lay moves rearwardly, the cam block 46 moves to the right beyond the path of the block in Figure 3, and this continues until the lay has swung all the way to the back, then the lay starts moving forwardly or downwardly in Figure 1 or to the left in Figure 3, and the cam block 46 rides just in front of the pointed portion of cam 47 On the forward travel of the lay. Since the pointed cam 41 is traveling at a faster rate of speed than the block 46, its pointed end rides onto the sloping surface 48 of block 46 and imparts a quick forward motion to the connecting rod 43, which imparts a quick swing forwardly to the serrated blade 33. This happens immediately after a transfer operation and as the loom lay has reached its most forward position. The blade thus catches the end 5| and removes it from the shuttle box. The purpose of plate 52 is to prevent the end 51 from bouncing away from the blade 33. Any loose ends not entirely removed from the shuttle box by the blade 33 will be caught by the serrations on the lower edge of plate 52 and thus will be prevented from being drawn back into the cloth by an outgoing shuttle. This forward kick of the serrated blade 33 causes .it toengage any fallen ends of yarn 5|, which might be in its path and when the blade 33 has completed its forward swing, the tension spring 35 quickly retracts it and the member BI is provided .to limit the backward swinging movement of the blade 33 to prevent its hitting the picker stick.

In the drawings and specification, there has been set forth a preferred embodiment of the invention, and although specific terms are employed, they are used in a generic and descriptive sense only, and not for purposes of limitation, the, scope of the invention being defined in the claims.

We claim:

'1. In a loom having a lay and a shuttle box and means for transferring a bobbin into the shuttle box and ejecting an exhausted bobbin from the shuttle box, a blade pivotally mounted on the lay and disposed below the shuttle box, said blade having a serrated edge for engaging .a strand of yarn from an ejected bobbin to prevent its, being carried back into the cloth being woven by the travel of the shuttle, a link pivotally mounted at one end to the blade and having its other end slidably mounted on the loom, a driven shaft in the loom and a cam memher on the driven shaft, a projection on the link adapted to be engaged by said cam member for imparting a swinging movement to the blade, to 'moveits free end in the arc of a circle below the shuttlebox, and a plate secured to the shuttle box and having its lower edge serrated and beneath which the blade swings to also engage the ends of yarn from th exhausted bobbins to also prevent their being drawn back into the shuttle box by an outgoing shuttle.

2. In areplenishing loom having a lay with a shuttle box at each end thereof, means for expelling an exhausted bobbin from a shuttle, a blade pivotally mounted on the lay and disposed below the shuttle box on the lay, the yarn extendin from an exhausted bobbin upon the bobbin being transferred from the shuttle, means for imparting swinging movement to the blade, and. a membermountedon the lay and extending downwardly into close proximity to the path traveled by the blade and having its lower edge serrated to engage the loose ends from ejected bobbins to also prevent their being drawn back into the shuttle box by an outgoing shuttle.

3. In a loom having a lay provided with a shuttle box and means for transferring bobbins into the shuttle box and expelling an exhausted bobbin from the shuttle box, a blade pivotally mounted onthe lay and disposed below the shuttle box and adapted to swing with the lay and having a serrated edge for engaging the yarn on a bobbin being transferred from the shuttle box in order to prevent its being carried by the shuttle into the cloth being woven, means driven by the loom for imparting a swinging movement to the blade independently of the swinging of the lay, and a member mounted on the lay and beneath which the blade swings and having its lower edge serrated to engage yarns lodged on the blade to also prevent their being drawn back into the shuttle box by an outgoing shuttle.

- 4. In a loom having a lay provided with shuttle boxes and means for transferring a bobbin into the shuttle and expelling an exhausted bobbin from the shuttle, a blade pivot-ally mounted on the lay and disposed below the shuttle box for engaging the ends of yarn extending from exhausted bobbins and removing them from the path of the shuttle, means driven by the loom for imparting a quick pivotal movement to the blade for engaging the ends on exhausted bobbins, and a member mounted on the lay and extending downwardly and beneath which the blade swings and having its lower edge serrated to engage yarns lodged on the blade to also prevent their being drawn back into the shuttle box by an outgoin shuttle.

5. Means for removing loose ends from an exhausted bobbin ejected from a shuttle in a shuttle box in a loom comprising a blade pivotally mounted below the shuttle box of the loom, and means driven by the loom for imparting swinging movement to the blade to swing it across the path of an end from an exhausted bobbin, as it falls from the shuttle box downwardly for engaging the end of yarn on the exhausted bobbin to prevent its bein carried back into the cloth by the shuttle, and a member mounted on the lay and extending downwardly and beneath which the, blade swings and having its lower edge serrated to engage yarns lodged on the blade by movement of the blade.

6."In a replenishing loom having a shuttle box and means for transferring a bobbin into the shuttle and ejecting the exhausted bobbin from the shuttle, a blade pivotally mounted on the lay, and adapted to swing across the path traveled by an exhausted bobbin in its downward fall from the shuttle box, means driven by the loom for imparting swinging movement to the blade to cause it to move across the path of a falling exhausted bobbin to cause its end to be engaged and removed from the path of the shuttle in its travel in the loom, and a member mounted on the lay and extending downwardly and beneath which the blade swings and having its lower edge serrated to engage yarns lodged on the blade upon swinging of the blade and also acting to revent said end from being drawn back into the cloth by an outgoing shuttle.

7. In a loom having a lay and a shuttle box and means for transferring a bobbin into the shuttle box and expelling an exhausted bobbin in the shuttle, a blade pivotally mounted on the lay and disposed below the shuttle box, means driven by the loom for swinging the blade below the shuttle box to engage exhausted fillings extending from bobbins being expelled from the shuttle box, and a member mounted on the lay and extending downwardly and beneath which the blade swings and having its lower edge serrated to engage yarns lodged on the blade and to prevent the exhausted fillings being drawn back into the cloth by an outgoing shuttle.

8. In a loom having a lay and a shuttle box and means for transferring a bobbin into the shuttle box and ejecting an exhausted bobbin therefrom, a blade pivotally mounted on the lay and disposed below the shuttle box, means driven by the loom for imparting a swinging movement to the blade below the shuttle box to engage the end of yarn from a bobbin ejected from the shuttle to prevent said end from being carried back into the cloth being woven by the shuttle, and a member mounted on the lay and extending downwardly and beneath which the blade swings and having its lower edge serrated to engage yarns lodged on the blade upon forward movement of the blade and also preventing the yarn from an exhausted bobbin from being drawn back into 5 the cloth by an outgoing shuttle,

WILBUR D. STEGALL. ROBERT L. BRUTON. ALBERT J. BARTSON.

10 REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS 15 Number Name Date 1,265,558 Warren May 7, 1918 1,312,750 Redmond iAug. 12, 1919 1,322,851 Warren Nov. 25, 1919 1,331,675 Rhoades Feb. 24, 1920 20 1,390,943 Webb Sept. 13, 1921 1,603,235 Davis Oct. 12, 1926