US1145556A - Machine for sewing mantles. - Google Patents

Description

S.COHN.

MACHINE FOR SEWING MANTLES. APPLICATION FILED FEB-25.1913.

1 145 556 I Patented July 6,1915.

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MACHINE FOR SEWING MANTLES. APPLICATION FILED FEB-25.1913.

1 14555560 Patented July 6, 1915.

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WITNESSES COLUMBIA PLANOORAPH cov, WASHINGTON, D. c.

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SAMUEL COI-IN, OF NEW YORK, N. Y., ASSIGNOR T0 MANTLE MACHINERY & PATENTS COMPANY, OF NEW YORK, N. Y.', A CORPORATION OF NEW YORK.

MACHINE FOR SEWING MAN'ILES.

Specification of Letters Patent.

Patented M 6,1915.

Original application filed March 22, 1912, SeriaINo. 685,557. Divided and this application filed February 25, 1913. Serial No. 750,607.

To all whom it may concern:

Be it known that I, SAMUEL Cor-IN, a citi- Zen of the United States, and resident of New York city, in the county and State of New York, have invented a new and useful Improvement in Machines for Sewing Mantles, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, in which- Figure 1 is a side elevation of a combined mantle shirring and sewing machine embodying my invention; Fig. 2 is a partial plan view; Fig. 3 is a partial side elevation showing another position of the parts; Figs. 41 and 5 are cross-sectional views on the lines IV-IV and VV respectively of Figs. 1 and 3; Figs. 6, 7 and 8 are detail views of modified forms of threader hooks; Fig. 9 is a sectional elevation of the center member; Fig. 10 is a sectional side elevation showing another form of machine; Fig. 11 is a top plan view of Fig. 10; Fig. 12 is a partial side elevation showing the parts of the second form of machine in another position; and Fig. 13 is a cross-section on the line XIIIXIII of Fig. 10.

The present application is a division of my copending application Serial No. 685,557, filed March 22nd, 1912.

The present invention has relation to mechanism for passing the gathering or shirring string through the mantles; and is designed to provide a cheap and effective machine of this character which is not likely to get out of order.

The invention consists broadly in providing a machine having fixed needles over which the mantle is pushed after or during plaiting, together with shirring mechanism arranged to shir the mantle and force the shirred or plaited fabric over the needle. It also comprises threading mechanism for the needle, together with other features of construction, arrangement and combination of the parts as hereinafter described and pointed out in the appended claims.

Referring to the form of machine shown in Figs. 1 to 9, inclusive, in which fixed needles are employed, the numeral 2 designates a lever, mounted on a shaft having a bevel wheel 3, meshing with a mutilated wheel 41 on the oscillating hand shaft 5.

The rock lever 2 has a pivotal link 6 con necting to a horizontally moving slide, this slidebeing in the form of a double rack having teeth 8, 8 on opposite sides. The teeth of these racks engage the corresponding teeth of spur wheels9, 9, each carried on a shaft 10 having a toothed wheel 11. The wheels 11 act as the side or shirring members of the device, the center shirring member 12 of which is fixed to and projects up vertically from the slide 7. This member is preferably of the cross-sectional form shown in Fig. 9, having needle-receiving recesses 13 at each side thereof and in line with the corresponding recesses of the wheels 11 so that the parts may pass over said needles.

The two needles 14 are rigidly secured in parallelism to a block 15 havin holes receiving stems 16 on which the block may slide, it being normally held forward by spiral springs 17. The stems 16 are adjustably secured in a standard 18, which is shown as projecting up from one of the bearings for the hand shaft 5, having the handle 19.

In order to thread the needles at the proper time, I preferably employ an oscillating arm or rocking lever 20, as shown in Fig. 4, which isoperated by the pin 21 on the main shaft 5 projecting through a slot 22 in the loose collar which carries this arm. At the end of this lever 20 iscarried the threaderhook 23, which may be of any desirable form, such as shown in Fig. 2 or in Figs. 6, 7 and 8, for example.

The arm 20 when released is returned to a position'against the stop 24 as shown in Fig. 4, by means of a spiral spring 25 secured. at one end to a pin 26 on the arm 20, and at its other end to the frame at the point 26*.

The operation of the device is as follows :-When the handle 19 is moved back, the center member 12 of the folders is moved toward-the needles and at the same time the side folder members 11 are revolved. The mantle having first been placed on the cen ter member, the teeth of the side members will engage the recesses of the center member and crimp the mantle. As these cri-mps or plaits are formed they are progressively pushed forward upon the needles plait by plait, by the movement of the center member. By the time that the center member contacts with the block 15, all of the plaits.

of the mantle will have been fed upon and over the needles. The further continued movement of the center member will then push the needle block 15 back toward the upright 18, compressing the springs and moving the needles back free from the side members; that is, from the position shown in Fig. l to the position shown in Fig. 3. This exposes the eyes of the needles, and simultaneously with the moving back of the needles the lever 20 moves transversely toward the needles by the operation of the pin on the shaft, the timing being such that the eyes are in position to receive the threader hook when it reaches them.

WVhen the threader hook has passed through the eyes, it is threaded and the needle is then moved back. At the same time, the operation of the spring 25 carries the threader lever away from the needles, thus performing the threading operation.

' As the threader hook issues from the needle eyes, either the operators hand or a suitable mechanical device engages the end of the thread carried by the threader hook and holds it within the threaderhook until the latter receives its full. movement from the needle eyes. The object of this is to so placethe thread length that the center point thereof'shall be at a point midway between the needles- The continued returnmovement of the handle will cause the center member to move back with the plaited 'or crimped fabric thereon. The operation of the springs 17 will cause the needles to move back to their normal position, and the further returnimovement of the center member will carry the plaits over the thread and thus thread the cord through the plaits as the parts move back to their normal. position. The mantle may then be lifted off and another blank placed on the center member and the operations repeated. The advantages of this form of the apparatus result largely from the use of: the stationary needles, thus simplifying the apparatus and making it easier to construct and keep in.

order. Moreover,the plaits are carried over the needle one by one as they are formed.

In Figs. 10 to 13, inclusive, I show another form ofmachine which is illustrated as provided with fixed needle mechanism like that. of the form first described. In the second form, parts similar to those of the first form are designated by similar nuerals with the letter a applied; The lever 2 is provided with the link 6 connected to. the central slide. The slide in this case consists of a bar 27' having a longitudinalslot 28. The bottom of this slot is closed by a-bar'or plate 29 securedto bar 27' by screws 30andhaving transverse vertical slots. Through these slots in. the floor of the central member extendipairs of vertical pins to uprights 31 having vertically'extending slots 32 shown in Fig. 13. Through these slots 32 extend rods 33 running longitudinally of the slide and acting as guides. These vertically movable uprights, or pin standards, ride at their lower ends on the longitudinal cam members 34, which are secured to the frame of the machine underneath the slide.

Each upright is provided at its lower end with a side extension 35, which extension cooperates with a cam 36 shown in Figs. 10, 12 and 13. These stationary cams 36 cause the standards to move down over the beveled end portion of the cams 34.

An upright plate 37 has a flange or base portion screwed to the bar 27 near one end thereof, and an upwardly projecting pin 38 is set in the other end portion of the bar. The needle block 15 carries a forwardly projecting rod 39 surrounded by a spring 40, which extends between the block and a pin 41, the other end of the rod having a pin 42 acting against the block. A front plate 43 is grooved to allow the passage of the pin 38 and is fixed to the front end of rod 39. Secured to the upright 18 is a pivoted hook 4H normally held down by spring 45, this being arranged to interlatch with the pin 42 on the rod 39. The needle block is slidingly carried on rods 46 having surrounding spiral' springs 47, and the depending pin 4:8 on the needle block interlatches with horizontally swinging hook 4-9 pivoted to the upright 18. The arm 20 in this form of machine corresponds to the arm 20 in the form first described, it being operated in one direction by the pin 21 onthe main shaft 5, and which pin projects through the slot 22 in the loose collar which carries the arm, and being returned by the spring 25 connected thereto. In the operation of this form of machine, a tubular mantle is slipped on the uprights 31', which act as the central folding member. The movement of the handle will then cause the slide to move toward the needle block. As this movement continues, the uprights or pins 31 ridingon the cam 31 will be progressively moved down and out of the fabric by the cam 36 operating on the extensions. As these uprights are successively moved down the fabric is formed into plaits by the coeperation of the uprights and the revolving sidemembers 11 which are actuated by pinions and side teeth or racks 8 as in the first form; and these plaits will be laid plait by plait against the tinued movement of the slide will then push the rod 39 back toward the needle block, compressing the surrounding spring until the pin l2 inter-latches with hook 44. This moves the fabric farther back on the needle, and it will be noted that at the time the needles enter each plait the uprights have already moved down and out. In other Words, each plait as it is formed is fed onto the needles immediately after the uprights have emerged therefrom. The further movement of the slide will cause the pin 38 on the bar or slide to bear against the needle block 15 to carry it back on its rods until the depending pin 48 interlatches with hook 4:9. This moves the needles back from the side members so as to expose the eyes for threading. The threading arm 20 and threading hook 28 and allied parts act the same as in the first form. (In the return movement of the handle, the pin marked 50 on the handle 19 engages hook 44:, releasing the same from the pin 4-1 and allowing the spring 40 to come into action, thus pushing the plate 43 a way from the needle block. This operation results in carrying the thread back through the fabric and pushing the mantle partly or wholly off the needles. During this action, the hook 49 is latched on the pin 48, thus holding the needle block in retracted position. The continued movement of the handle will then release hook 49 by the direct engagement of some part of the handle with thelever arm part 51 of this hook. This will allow the block and needles to return to their normal positions. The mantle may then be removed, and another mantle blank applied and the operation repeated.

The advantages of my invention result from the simplicity of construction and arrangement of the parts, and from the ease and rapidity with which the operations may be performed. The machines are not liable to get out of order, the parts are compara tively few in number, and the operations are positive and effective.

It will be obvious that various changes can be made in the construction, arrangement and combination of the parts, and in the details thereof, without departing from the spirit and scope of my invention as defined in the appended claims.

I claim 1. In a mantle shirring machine, a pair of relatively stationary needles having eyes in their pointed ends, and shirring mechanism arranged to first shir the mantle and force the shirs or plaits after their formation over the needles, While said needles are sub stantially stationary, said shirring mechanism being movable to a position to expose the needle eyes when the material has been placed on said needles.

2. In a mantle shir-ring machine, a pair of relatively stationary needles, shirring mechanism arranged to shir the mantle and force the shirred or plaited fabric over the needles While said needles are substantially stationary, and threading mechanism for said needles; substantially as described.

8. In a mantle shirring and sewing machine, a pair of relatively stationary needles, shirring mechanism arranged to move the plaited fabric over the needles while said needlesare substantially stationary, means for moving the needles free of the shirring mechanism, and threading mechanism arranged to operate on the free eyes of the needles; substantially as described.

4. In a mantle shirring and sewing machine,-a movable needle block having relatively stationary needles, shirring mechanism arranged to plait the fabric and force the same over the needles while the latter are substantially stationary, means for mov ing the needles backwardly to free the eyes, and threading mechanism; substantially as described.

5. In mantle shirring machines, a pair of side folders, a central folder arranged to successively form plaits and withdraw therefrom, mechanism for holding the compacted mass of plaits, needles, mechanism for causing said needles to extend therethrough, and threading mechanism for the needles; substantially as described.

6. In mantle shirring machines, a pair of side folders, a central folder made in a plurality of parts, connections arranged to re move said parts as the plaits are successively formed, mechanism for holding the plaits compacted together, and needle mechanism coacting with the plaits to pass the thread therethrough; substantially as described.

7 In mantle shir-ring machines, a pair of side folders, a central folder made in a plurality of parts, connections arranged to remove said parts as the plaits are successively formed, mechanism for holding the plaits compacted together, and a pair of relatively stationary needles, over which the plaited mass is arranged to pass; substantially as described.

8. In mantle shirring machines, a pair of side folders, a central folder made in a plurality of parts, connections arranged to remove said parts as the plaits are successively formed, mechanism for holding the plaits compacted together, and a pair of relatively stationary needles, over which the plaited mass is arranged to pass, and threading mechanism for the needles; substantially as described.

9. In mantle shirring machines, a pair of side folders, a central folder made in a plurality of parts, connections arranged to remove said parts as the plaits are successively formed, mechanism for holding the plaits compacted together, a movable needle block, a pair of relatively stationary needles &

. mounted in the movable needle block, over which the compacted mass is arranged to pass, and mechanism for moving the block back to clear the needle eyes, and threading mechanism therefor; substantially as described.

10. In a mantle shirring machine, a folding mechanism comprising cooperating relatively movable members having interfitting. portions to plait or shir the tubular fabric, a needle, connections for causing the needle to extend transversely through the body of plaits, and connections for withdrawing at least parts of both cooperating members of the folding mechanism from the fabric plaits before the thread is passed into the fabric by the needle.

11. In a mantle shirring machine, the combination with a needle, of plaiting means including a fabric carrying member having a back and forth movement longitudinally of the needle and toward and from the same to place the plaited fabric on said needle, and means for threading the needle when the fabric is thereon.

12. In a mantle shirring machine, the combination with spaced needles, of spaced rotary folding members, a central reciprocatory folding member operating between the rotary members, and means for reciproeating the central member to cause it to move by the rotary folding members and place spaced portions of the folded material on the needles.

13. In a mantle shirring machine, the combination with a relatively fixed needle supported at its rear end and having an eye at its point, of means for folding fabric and placing it on said needle over the point, said folding means and needle being relatively movable to a relation to leave the eye exposed tobe threaded while the fabric is thereon.

14:. In a mantle shirring machine, the combination with a relatively fixed needle supported at its rear end and having an eye Copies of this patent may be obtained for five cents each, by addressing the at its point, of means movable toward and from the point for folding fabric and placing it on said needle over the point leaving the eye exposed, and means operating transversely of the needle for threading the exposed eye.

15. In a mantle shirring machine, the combination with a needle having an eye at its point, of fabric folding means, saidneedle for placing the folded fabric thereon, a yielding abutment for the folded fabric associated with the needle, and a device movable with the folding means for pressing the fabric in compacted relation against said abutment and moving the latter to expose the needle eye.

17. In a mantle shirring machine, the combination with spaced needles, of means supporting the same at their rear ends, said needles having eyes at their points, of a rotary fabric folding member located in advance of the point of each needle, a reciprocatory folding member that operates between and co-acts with the rotary members, said reciprocatory member moving past the points of the needles to place the fabric thereon, means for moving the fabric to a position on the needles to expose the eyes of said needles, and means for threading the needles when the eyes are so exposed.

In testimony whereof, I have hereunto set my hand.

SAMUEL COHN. Witnesses:

ALEXANDER HOLMAN, DAVID L. WOODALL.

Commissioner of Patents,

Washington, D. C.

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