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Publication numberUS1080915 A
Publication typeGrant
Publication dateDec 9, 1913
Filing dateDec 3, 1912
Priority dateDec 3, 1912
Publication numberUS 1080915 A, US 1080915A, US-A-1080915, US1080915 A, US1080915A
InventorsAnton Keller
Original AssigneeImproved Schiffli Machine Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Thread catching and severing means for shuttle embroidery-machines.
US 1080915 A
Abstract  available in
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Description  (OCR text may contain errors)

A. KELLER. THREAD GATCHING AND SEVERING MEANS FOR SHUTTLE EMBROIDERY MACHINES.

APPLICATION FILED DEG. 3, 1912. 1 ,O8(),9l5., Patented Dec. 9, 1913.

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A. KELLER. THREAD GATGHING AND SBVBRING MEANS FOR SHUTTLE EMBROIDERY MACHINES.

APPLICATION FILED DEC. 3, 1912. 1,080,91 5. Patented Dec. 9, 1913.

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ANTON KELLER, OF NEW YORK, N. Y., ASSIGNOR TO IMPROVED SGHIFFLI MACHINE COMPANY, OE NEW YORK, N. 1., A CORPORATION OF NEW YORK.

THREAD CATCHING AND SEVERING MEANS FOR SHUTTLE EMBROIDERY-MACHINES.

Specification of Letters Patent.

Patented Dec. 9, 1913.

Application filed December 3, 1912. Serial No. 734,658.

To all whom it may concern:

Be it known that I, ANTON KELLER, a subject of the Emperor of Austria-Hungary, residing at New York, borough of the Bronx, in the county of New York and State of New York, have invented certain new and useful Improvements in Thread Catching and Severing Means for Shuttle Embroiderydvlachines, of which the following is a specification.

This invention relates to improvements in shuttle embroidery machines, and has for its object the provision of an improved mechanism for facilitating the embroidering of the work in an efiective and comparatively simple manner, it more particularly relating to an improved means for catching and deflecting the threads of all of the needles simultaneously and for cutting off all of the same simultaneously, the present application being an improvement in part upon my contemporaneously pending application Serial No. 705,914, filed June 26, 1912.

One of the objects of the present improvem nt is to provide thread catching de vices carrying work pressing means whereby the withdrawal of the needle threads from the work will be facilitated.

Another object of the invention is the provision of improved thread severing means cooperating with the thread catching means in such a way that all the threads will be caught simultaneously and subsequently the same will be severed by improved severing means which will have distinct movements to insure the cutting of the threads.

Shuttle embroidery machines are frequently about ten yards long and have a series of reciprocating borers and needles located in separate rows equally spaced apart throughout the entire length of the machine, the borers and needles being carried by independent reciprocating bars, and as the cutting off of all the threads throughout the entire length of the machine at one and the same time when the Work is finished very much lessens the time and cost of producing the work I have provided improved means for accomplishing this, and to insure the proper severing of the threads I have provided improved means for catching all of the threads so that they will be carried away from the work thereby to prevent injury to the embroidered work by the knives.

In the drawings accompanying and forming part of this specification, Figure 1 is a front view of so much of an embroider machine as is necessary to illustrate the present improvement; Fig. 2 is a crosssectional view thereof taken in line 2-2, Fig. 1; Figs. 3 and 4: are detail front views of a portion of the thread catching and cutting mechanism, Fig. 3 illustrating the threads as they are caught by the thread catchers and deflected, and Fi 4 illustrating the knife carrying frame in its raised position and also illustrating the movement of the knife to insure the cutting of the threads.

Similar characters of reference indicate corresponding parts throughout the figures of the drawings.

In the present embodiment the framework 2 of the machine may be of any suitable construction usual to machines of this class, as may also be the frame 3 for supporting the work to be embroidered. This framework supports a needle-carrying bar 4 re ciprocated by the usual means provided for this purpose, and this bar carries th needles 6.

The present improvement includes a series of thread catchers 10, one for each needle, and each comprising a hook secured to a bar 11. Located below each of the hooks is a circular convex disk or portion 12 adapted to engage the embroidery work so as to press the same away from the needles during the withdrawal thereof from the work. For this purpose the hook and its bar 11 are supported by a bar 13 extending lengthwise of and pivotally secured at its ends to the frame. This bar will have, by suitable means not shown, a rocking or oscillatory movement during the operation of the machine, so that the presser portions of the hooks will be brought into engagement with the embroidery work during the time the needles are being withdrawn from such work. This bar 13, however, has no movement lengthwise of the machine, but constitutes the supporting or carrying means for the thread catchers and knife severing means, it being so located in the machine that the thread catchers and knife severing means will be disposed in an inclined position relatively to the embroidery frame.

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severing blades.

The hook carrying bar 11 is pivotally connected to the bar 13 by a plurality of threearmed members or brackets 14-, one of the arms 15 of each being pivotally connected to the hook bar 11 while another arm 16 is pivotally connected to an operating bar 17, on the reciprocation of which the thread catchers will be swung upward and into position to catch the threads and draw them away from the work. Pivotally connected to another arm, as 18, of each of these brackets is the knife supporting frame 30, the organization being such that the same bar 17 will on its reciprocation swing the hooks and the knife supporting frame in sequence in the manner hereinafter described.

The upper edge of the knife supporting frame is provided with a guard 20 for the The knives 20 are preferably arranged in sections to faciliatc the removal and sharpening thereof, and each section is pivotally connected to a plurality of oscillating arms or levers 21, which are in turn pivotally connected to the frame, as at 22, and have their lower ends pivotally connected to an operating bar 23, the same operating bar being connected with all of the sections of the knives so that on tic reciprocation thereof all of the knives will be swung in an arc and so shifted lengthwise thereof and lowered. on the pulling of this bar in one direction and these movements reversed on tlu: movement of the operating bar in the opposite direction.

In practice the knife supporting frame is normally located below the hooks, and for this purpose it is pivotally connected to the lower depending arms 18, which normally hang below the supporting rod 13, while the arms 15 carrying the thread catcher bar 11 normally extend above said supporting bar 13, but in operation the thread catcher bar 11 and the thread catchers are drawn downward toward the bar 13 while the knife severing frame is raised sufficiently to properly sever the threads, this action carrying the arms 18 toward the bar 18. It will thus be seen that the three-armed lever members for supporting the hooks and knife severing frame on the supporting bar 13 are somewhat in the nature of rocking sectors. It will also be understood that the knife supporting frame or holder extends throughout the entire length of the machine, while, as hereinbefore stated, the knives are disposed therein in sections. By locating the severing means and thread catching means in the inclined position shown they are out of the way when in their inoperative positions and when in their operative positions they will be brought into position to catch the threads between the ends of the needles and the work, when the ends of the needles are shifted. away from the work and thus en able the threads to be severed close to the work without liability of injuring the same.

In the present improvement it will be observed that the knife carryin frame is not only raised to carry the knives into position to operate upon the threads, but when they have reached this position the knife is reciprocated 0r oscillated independently of the knife carrying frame to thus insure the cutting of the threads. ln-the present organization, by operating the bar 17 it will be seen that the thread catchers are first operated to catch the threads and then by the same bar and during the thread catching operation and following the same the knife severing frame-is raised into position to carry the knife into that position where it will at the proper time engage the threads and then by the operation of the bar 23 the knives will be reciprocated in an arc of a circle to properly sever the threads.

In operation, on the shifting of the bar 17 the thread catching hooks will be swungin a curved path thereby raising the same each to engage its own thread and carry the same away from the work andthe needles. During this operation of the thread catchers the knife carrying frame is being likewise swung in a curved path, but in an opposite direction to raise the same and bring the knives thereof into position under the threads, whereupon on the operation of the operating bar 23 the severing blades are independently shifted in the arc of a circle across the threads so as to sever the threads.

If by chance any of the threads are notsevered during the first movement of the knives across the threads the reversemovement thereof to their normal position, which will ordinarily take place before the severing frame is lowered or returned to its normal position, will insure the severance of such threads.

I claim as my invention:

1. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously, means for actuating said thread catchers, severing means independent of the thread catchers for simultaneously cutting all of said threads, means for carrying the thread severing means into position to sever the threads, and means for shifting the severing means independently of its carrying means.

2. In a shuttle embroidery machine, the

for simultaneously cutting all of said threads, means for carrying the thread severing means into position to sever the threads, and means for shifting the severing means independently of its carrying means, said thread catchers and severing means operating in sequence upon the thread.

3. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously, means for actuating said thread catchers, severing means independent of the thread catchers for simultaneously cutting all of said threads, means for carrying said severing means into position to sever the threads, and means for shifting the severing means independently of its carrying means in the arc of a circle.

4%. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one forv each needle thread for catching the threads of all the needles simultaneously, meansfor actuating said thread catchers, severing means independent of the thread catchers for simultaneously cutting all of said threads, means for carrying said severing means into position to sever the threads, and means for shifting the severing means independently of its carrying means in an arc of a circle first in one direction and then in the opposite direction.

5. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously, severing means independent of the thread catchers for simultaneously cutting all of said threads, means for carrying the severing means into position to sever the threads, means for shifting the thread catchers in a curved path, and means for shifting the severing means independently of its carrying means in an arc of a circle.

6. In a shuttle embroidery machine, the combination with a series of needles carrying threads, of thread catching and severing mechanism for simultaneously catching all of the threads of the needles and simultaneously severing the same and comprising a supporting member, a series of thread catchers movable in a curved path, a knife carrying frame movable in a curved path, knives independent of the thread catchers carried. by said frame and also movable in a curved path, and means for operating them.

7. In a shuttle embroidery machine the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously, work presser means carried by the thread catchers, means for actuating said thread catchers, severing means independent of the thread catchers for simultaneously cutting off all of said threads, means for carrying the severing means into position to sever the threads, and means for shifting the severing means independently of its carrying means.

8. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously and pull the same away from the work, and means for actuating said thread catchers, said thread catchers having pressing means for the wort.

9. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously and pull the same away from the work, and means for actuating said thread catchers, each of said thread catchers comprising a hook and having below the same work pressing means.

10. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously, and means for actuating said thread catchers, each of said thread catchers comprising a hook and having below the same work pressing means comprising a convex disk.

11. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle'thread for catching the threads of all the needles simultaneously, and means for actuating said thread catchers, each of said catchers car 'ying work pressing means and said catchers being mounted for oscillatory movement toward and from the work.

12. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of thread catchers one for each needle thread for catching the threads of all the needles simultaneously, and means for actuating said thread catchers in a curved path, each of said catchers carrying work pressing means and said catchers being mounted for oscillatory movement toward and from the work.

13. In a shuttle embroidery machine, the combination of a series of needles carrying threads, a series of hook-shaped catchers one for each needle thread for catching the threads of all the needles simultaneously, work pressing means carried by each of said catchers, means for actuating said thread catchers, severing means for simultaneously cutting all of the threads, and means for actuating said severing means.

14;. In a shuttle embroidery machine, the combination of a series of needles carrying each needle thread for catching the threads of all the needles simultaneously, means for actuating said thread catchers, work pressing means carried by each of the catchers, severing means for simultaneously cutting all of said threads, and means for swinging said severing means in transverse directions "across the thread.

16. In a shuttle embroidery machine, the combination of a. series of needles carrying threads, severing means for simultaneously cutting all of said threads, means for carrying the thread severing means into position to sever the threads, and means for shifting the severing means independently of its carrying means.

17. In a shuttle embroidery machine, the

combination of a series of needles carrying threads, severing means for simultaneously cutting all of said threads, means for carrying the severing means into position to sever the threads, and means for shifting the sev- 'ering means in an arc of a circle independently of its carrying means.

18. In a shuttleembroidery machine,.the combination of a series of needles carrying threads, severing means for simultaneously "cutting all of said threads, means for carrying the thread severing means, means for swinging the same into position to sever the threads, and means for swinging the severmeans independently of its carrying means.

19. In a shuttle embroidery machine, the combination of a series of needles carrying threads, severing means for simultaneously cutting all of said threads and comprising rnife carrying means, means for shifting said knife carrying means in a curved path, and means for shifting the knives in a curved path different from that in which the carrying means is shifted.

20. In a shuttle embroidery machine, the combination of a series of needles carrying threads, knife carrying means having a guard, knives carried thereby, means for shift-ing said carrying means in one direction, and means for shifting said knives in another direction.

21. In a shuttle embroidery machine, the combination. of a series of needles carrying threads, knife carrying means having a guard, knives carried thereby, means for shifting. said carrying means in one direction,and means forshifting said knives in another directiongand in sequence, both of saididirectionsbeing in curved paths.

a shuttle embroidery machine, the combination of asupporting bar, a series of swinging memberspivotally connected thereto and having arms, a thread catcher bar pivotally connected to some of said arms and having thread catchers, a knife carrying frame ivotally connected to other arms of said swinging members, means connected with other arms of said swinging members forswinging the same and thereby operating the thread catchers and knife carrying frame, a knife carried by said frame, means pivotally connected thereto and to the frame for supporting it, and means connected with said last means for oscillating said knife.

23. In a shuttleembroidery machine, the combination of a supporting bar, a series of swinging members pivotally connected thereto and having arms, a thread catcher bar pivotally connected to some of said arms and having thread catchers, a knife carrymg frame pivotally connected to other arms of said swinging members, means connected with otherarmsof said swinging members for swinging the same and thereby operating the thread catchers and knife carrying frame, a. knife carried by said frame, means pivotally connected thereto and to the frame for supporting it, and means connected with said last means for oscillating said knife, said thread catchers and knife severing means having an inclined position relatively to the work. H

24, In a shuttle embroidery'machine, the combination ofa supporting bar, a series of swinging members pivotally connected thereto. andahaving arms, a thread catcher bar pivotally connected to some of said arms and having thread catchers, work pressing means carried by said thread catchers, a knife carrying frame pivotally connected to other arms of said swinging members, means connected with other arms of said swinging members for swinging the same and thereby operating the thread catchers and knife carrying frame, a knife carried by said frame, means pivotally connected thereto and to the frame for supporting it, and means connected with said last means for oscillating said knife.

25. In a shuttle embroidery machine, the combination of a supporting bar, a series of swinging members pivotally connected thereto and having arms, a thread catcher bar pivotally connected to some of said arms and having thread catchers, Work pressing means carried by said thread catchers, a

knife carrying framepivotally connected to other arms of said swinging members, means connected w th other arms. of said swinging members for swinging the same and thereby operating the thread catchers and knife carrying frame, a knife carried by said frame, means pivotally connected thereto and to the frame for supporting it, and means connected with said last means for oscillating said knife, said thread catchers and. knife severing means having an inclined position relatively to the work.

26. In a shuttle embroidery machine, the combination of a supporting bar, a plurality of swinging members pivotally connected thereto, a series of thread catchers pivotally connected to said swinging members, a knife carrying frame pivotally connected to said swinging members, an operating bar pivotally connected to said swinging members, a knife pivotally supported on said carrying frame, and means for oscillating it.

27. In a shuttle embroidery machine, the combination of a supporting bar, a plurality of swinging members pivotally connected thereto, a series of thread catchers pivotally connected to said swinging members, a knife carrying frame pivotally connected to said swinging members, an operating bar pivotally connected to said swinging members, a knife pivotallv supported on said carrying frame, and means for oscillating it, said carrying frame having a guard for said knife.

28. In a shuttle embroidery machine, the combination of a supporting bar, a plurality of swinging members pivotally connected thereto, a series of thread catchers pivotally connected to said swinging members, a knife carrying frame pivotally connected to said swinging members, an operating bar pivotally connected to said swinging members, a knife pivotallv supported on said carrying frame. and means for oscillating it, said thread catchers and knife carrying frame being located in an inclined position to the work.

29. In a shuttle embroidery machine, the combination of a series of needles carrying threads, shiftable severing means for simultaneously cutting all of the threads of said needles, and means for shifting said severing means first in a curved path to bring the same into position to cut the threads and then in a curved path different from its first path to sever such threads.

30. In a shuttle embroidery machine, the combination of a series of needles carrying threads, shiftable severing means for simultaneously cutting all of the threads of said needles, means for shifting said severing means first in a curved path to bring the same into position to cut the threads and then in a curved path different from its first path to sever such threads, thread catching means, and means for shifting the same in a curved path.

31. In a shuttle embroidery machine, the combination of a series of thread catchers for simultaneously catching all of the threads, severing means normally located below said thread catching means, means for actuating said severing means in a curved path to bring the same into position to sever the threads, and independent means for shifting said severing means in a different curved path for severing such threads.

32. In a shuttle embroidery machine, the combination of thread catching means for simultaneously atching all of the threads, thread severing meansfor simultaneously severing all of the threads, means for raising the thread catchers into position to cat-ch the threads and carry them away from the work, means for raising the severing means into position to sever the threads, and independent means for then actuating the severing means across the threads.

33. In a shuttle embroidery machine, the combination of thread catching means for simultaneously catching all of the threads, severing means for simultaneously severing all of the threads, means for actuating the thread catching means to raise the same to catch the threads and carry the same away from the work, the same actuating means operating to raise the severing means into position to cut the threads, and independentmeans for shifting the severing means across the threads thereby to sever them.

34. In a shuttle embroidery machine, the combination of thread catching means for catching all of the threads simultaneously, thread severing means for severing all of the threads simultaneously, and means for shifting the thread catchers in one direction to catch the threads and draw the same away from the work and for shifting the severing means in a direction opposite to the direction of movement of the thread catching means.

35. In a shuttle embroidery machine, the combination of thread catching means for catching all of the threads simultaneously, thread severing means for severing all of the threads simultaneously, means for shifting the thread catchers in one direction to catch the threads and draw the same away from the Work and for shifting the severing means in a direction opposite to the direction of movement of the thread catching means, and means for shifting the severing means in the direction of movement of said thread catching means.

36. In a shuttle embroidery machine, the combination of thread catching means for catching all of the threads simultaneously, thread severing means-for severing all of the threads simultaneously, means for shifting the thread catchers in one direction to catch the threads and draw the same away from the work and for shifting the severing means in a direction opposite to the direction of movement of the thread catching means, and means for shifting the severing means in the direction of movement of said thread catching means, the movement of said thread catchers and the respective movements of said severing means being'in curved paths.

37. In a shuttle embroidery machine, the combination of thread catching means for catching all of the threads simultaneously, severing means for severing all of the threads simultaneously and comprising a carrying frame and knives carried thereby, means for actuating the thread catchers and carrying frame to have the threadcatchers engage the threads before the carrying frame is brought into position adjacent thereto, and means for actuating the knives crosswise of the threads.

38. In a shuttle embroidery machine, the combination of a supporting bar, a plurality of swinging members pivotally connected thereto, a series of oscillatory thread catchers having pressers and pivotallv connected to said swinging members, a knife carrying frame pivotally connected to said swinging members, an operating bar pivotally con nected to said swinging members, a knife pivotally supported on said carrying frame, and means for oscillating it.

39. In a shuttle embroidery machine, the combination of thread catching means for simultaneously catching all of the threads, thread severing means for simultaneously severing all of the threads, means for rais ing the thread catchers into position to catch the threads and carry them away from the work, means for raising'the severing means into position to sever the threads, independent means for actuating the severing means across the threads, and rocking means for supporting said thread catchers;

40. In a shuttle embroidery machine, the combination of thread catching means for simultaneously catching all of the threads,

thread severing means for simultaneously severing all of the threads, means for raismg the thread catchers 1nto position to catch the threads and carry them away from the work, means for raising the severing means into position to sever the threads, independent means for actuating the severing means across the threads, and rocking means for supporting said thread cagchers in an inclined position relative to the embroidery work.

Signed at 1821 Park Row Bldg, New York, N. Y., this 2nd day of December, 1912.

' ANTON KELLER.

' Witnesses:

J. B. MGG'UIRE, EMIL BERGER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3259088 *Aug 10, 1961Jul 5, 1966Rockholt John TMulti-color tufting machine
US3349733 *Jun 30, 1965Oct 31, 1967I A S Bicor CorpThread holding and releasing system in change-color embroidery machines
US3905314 *Sep 4, 1974Sep 16, 1975Pfaff Ind MaschThread cutting device in embroidering machines
US4285289 *Sep 11, 1980Aug 25, 1981Pfaff Industriemaschinen GmbhEmbroidering machine
US5477793 *Jan 14, 1994Dec 26, 1995Sauer Sticksysteme AgCutting and nipping apparatus for the front yarn for embroidery machines
Classifications
U.S. Classification112/83, 112/295
Cooperative ClassificationD05C11/16