US1335779A - Lasting-machine - Google Patents

Description

0. ASHTONJDECD.

H. ASHTON, EXECUTRIX.

LASTING MACHINE.

APPLICATION FILED FEB. 15, I916- 3 SHEETS-SHEET I.

Patented Apr. 6, 1920.

0- ASHTON, DECD.

H. ASHTON, EXECUTRIX- LASTING MACHINE.

' APPLICATiON FILED 58- 15 1916- I 1,335,779. 7 Patented Apr. 6, 1920.

3 SHEETS-SHEET 2.

0. ASHTON, DECD.

H. ASHTON, EXECUTRIX. LASTIN'G MACHINE.

APPLICATION FILED FEB.15, 1916- v Patented Apr. 6, 1920.

3 SHEETS-SHEET 3- rinrrnn srarns rnrnnr ornrcn.

ORRELL ASHTON, DECEASED, LATE OFSWAMPSOOTT, MASSACHUSETTS, BY HANNAH ASHTON, EXECUTRIX, OF SWAMPSCOTT. MASSACHUSETTS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO UNITED SHOE MACHINERY CORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

LASTING-MAOI-IINE.

Specification of Letters Patent. Patgnted Apr, 6, 1920.

Application filedFeoruary 15, 1916. Serial No. 78,517.

r0 alt whom it may concern:

Be it known that ORRELL ASHTON, late of Swampscott, in the county of Essex and State of hfiassachusetts, deceased, invented certain Improvements in Lasting-Machines,

of which the following description, in con nection with the accompanying drawings, is a specification, like reference characters on the drawings indicating like parts in the several figures.

This invention relates to machines for use in the manufacture of boots and shoes and is herein shown and described, by way of exemplitication, as embodied in a lasting machine of the type disclosed in United States Letters Patent No. 1,050,904, granted January 21, 1913, on my application.

The machine of that patent is provided with a gripper which is arranged to extend transversely across the shoe and to engage an upper at that side of the shoe which is the more remote from the body of the machine. The gripper has a movement transversely of the shoe bottom to overdraw the upper and to move the shoe laterally into position for the reception of a fastening to secure the upper in lasted position. The gripper movement employed in that machine has the advantage of simplicity and is satisfactory for a large class of work but for other work it is desirable that a gripper arrangedand operating as described, have also an updraw movement prior to, or in conjunction with, the overdraw movement. I have found that a machine organized as described in which the gripper has the movements here proposed answers in a thoroughly satisfactory manner the relatively exacting requirements of side lasting on the higher grades of womens turn shoes.

The general object of the invention is to improve shoe lasting machines, these improvements being herein shown as embodied for illustrative purposes in various of the mechanisms of a step-by-step lasting machine of the type shown in my said prior patent. v

One important feature of the invention consists in the combination with a single gripper arranged to extend transversely across a shoe bottom to engage an upper on the side of the shoe more remote from the ciency of operation of the machine.

ating mechanism by which it is moved'upwardly about its pivot for causing the gripper to stretch the upper upwardly. The upward and inward movements of the gripper are correlated by the respective cams controlling those movements.

Another important feature of the invention consists in a novel shoe resting mechanismf As herein shown the shoe is posh tioned by a sole rest constructed and arranged to engage the channel of a turn shoe sole and guide or control upward and inward movement of the shoe. One of the objects of this portion of the invention is to contribute to the convenience and efli- For this purpose novel rest controlling means is provided. In. the embodiment of the invention shown for illustrative purposes restcontrolling mechanism holds the rest yieldingly in an initial forward and depressed shoe receiving position which permits convenient engagement of the sole channel therewith. From this position the rest is allowed to be raised by the shoe to the right elevation for the upper to enter the gripper and is allowed to be pushed backwardly to locate the upper between the jaws of the gripper. The controlling mechanism holds the rest against rising and prevents interference from the taclrer with the stretching of the upper during the updraw movement of the gripper and then permits the rest to accompany the shoe and gripper to a higher elevation where the shoe is in tack receiving relation to a taclrer. A stop holds the rest and the. shoe against inward displacement during the overdrawingmovement of the gripper and locates the shoe for the reception of an upper fastening tack in the between substance of the turn shoe sole.

Another feature of this invention relates to the shoe rest which comprises, in addition to the channel engaging portion, above referred to, a member arranged relatively thereto for engaging a mid portion of the shoe sole. As shown the channel engaging portion has a shoe positioning face extending lengthwise of the channel and the other member has a shoe positioning face extending transversely with relation to the channel. These faces therefore assist in positioning the shoe angularly.

The features of this invention which have been briefly set forth above and others, which include certain details of construction and combinations of parts will appear more fully from the following description of the illustrative embodiment of the invention and will then be more definitely pointed out in the claims.

In the drawings,--

Figure l is a side view of a machine embodying this invention with the parts in work receiving position;

Fig. 2 is a view partly in section showing the parts in the position'they assume after the upper has been gripped and updrawn;

Fig. 3 is a similar view to Fig. 1 show ing the position of the parts after the overdraw movement of the gripper, the change of position of the work rest, and the insertion of the fastener; and

Fig. 4 is a detail perspective view of the gripper the shoe rest, and the adjacent parts of their operating mechanisms.

In the drawings, the numeral 2 indicates the frame of the machine and 4 the main shaft which carries the operating cams, power being applied to the pulley 6. The driver mechanism comprises a vertical driver bar 8 connected to the bell crank 10 which is pivoted at 12 and is operated by a cam 14 in the usual manner. The means for adjusting the nozzle 15 through which the driver bar 8 operates to insert a fas tening, comprising a disk 16 and an eccentric 18, is similar to that shown and described in United States Letters Patent bl 1,175. .041, granted March 14, 1916, on my application and therefore need not be further described herein.

The work rest. as shown at 20, is preferably formed of sheet material with one part upturned to form a projection 22 and another part upturned to form a lug 24. The rest is pivotec to a block 26 by a screw 28 which passes through the lug 24, the block 26 and the projection 22. A spring 30 is arranged (see r 1g. 4) to resiliently hold the rest 20 in its depressed position. ()n the under side of the rest 20 is a depending fin 82 which be formed with integral lugs or rivets 33 which are passed through holes in the rest 20 and headed indicated in Fig. 4. This in may, of course, be otherwise secured to or formed on the rest 20.

The block 26 to which the rest is pivoted is mounted on a stem 36 which is guided in a lug 38 and in a member 40 for longitudinal movement and is held in forward position by a spring 42. A pin 44 is provided as an abutment for the spring and as a stop to limit the forward movement of the stem 86 by contact with the lug 38. The member 40 which carries the rest and its connected parts as described is pivoted at 46 to the machine frame, and is moved about its pivot by a link 48 connected therewith at one end by pin and open slot connection 50 and at the other end is secured by a lost motion connection 52 with an operating lever 54 Fig. 2. The forward movement of the link is rendered resilient by a plunger 56 backed by a spring 57 made adjustable by a screw plug 59. The lever 54 is pivoted at 58 and carries a cam roll 60 which is held against a cam 62 by a spring 64. The rise of the cam 62 rocks the lever 54 which pushes the plunger through the tension of the spring 57 against a face 47 on the link 48 and moves the depending portion of the member 40 forwardly about the pivot 46, thus raising the pivot 28 of the work rest and also the gripper about to be described.

The gripper comprises an inner jaw 67 formed on a bar 70 which is mounted to slide longitudinally in the upper part of the member -40 and is held in its normal forward position by a spring 72 connected between a pin (59 on the bar 70 and a pin 74 on an upper jaw 80. A lug 71 is provided on the bar 7 0 to limit, by contact with the member 40, the forward movement of the lower jaw. The upper aw of the grip pers is mounted to slide longitudinally on the lower jaw bar 70 and has a pin and open slot connection at 82 with an actuator 84. The actuator 84 is given a substantially forward and rearward movement in a guide 86 by a lever 88 pivoted at 90 and carrying a roll 92 adapted to be engaged by a cam 94 and moved agai st the tension of a spring 96 to slide the actuator 84 forwardly to open the gripper aws, the jaws being closed by the reaction of the spring 96. when permitted to do so by the cam 94. The guide 86 is pivoted to the frame at 98 to accommodate the slight oscillatory movements of the actuator 84 due to its pivotal connection 85 with the lever 88.

It will now appear that movement of the member 40 about the pivot 46 by the link 48 not only raises the pivot 28' of the work support, but also gives the gripper an up ward or updraw movement. In order that this movement shall be effective to tension the shoe upper there must be relative move ment between the gripper and the shoe rest 20. Finch relative movement is made possible by the pivoting of the rest 20 at 28. The rest however, must be held from upward movement during the updraw'of the pincers, and this is effected by a cam controlled roll 100 with which the projection 22 or the work rest contacts, and which forms a stop for holding the rest down during the updraw movement of the gripper. The roll 100 is carried by a lever 102 pivoted to the frame at 104, and having a cam roll 106 which is held in contact with the cam 108 by the spring 64 which is attached at its opposite end to the lever 54. The roll 100 positively prevents the rise of the rest 20 until permitted by the cam 108.

The machine is operated as follows :The parts being in the position of Fig. 1, the turn shoe 1s held bottom upward in the hands of the operator and the downwardly and forwardly projecting rest 20 is engaged in the channel of the shoe on the far side from the machine at some point on the side where the side lasting may be begun with advantage. The rest and shoe are then pushed backwardly against the spring 42 and are raised against the spring 30. The upwardly projecting margin of the upper is thereby brought between the gripper jaws 67, 80, the lining of the turn shoe being against the rough jaw 80, and the upper being against the smooth jaw 67 The treadle is now depressed to start the machine, whereupon the gripper jaws first close, this movement being efliected by the reaction of the spring 96 upon the passage of the roll 92 off the portion a of the cam 94. The cam 62 then effects the updraw by moving the gripper carrier about the center 46 while the roll 92 rests on the concentric portion Z) of the cam 94, whereby the grippers are held closed but are given no rearward movement. As the portion 0 of the cam 94 reaches the roll 92, however, the overdraw movement of the gripper is effected by movement of the gripper rearwardly or inwardly of the machine by the spring 96 while the tension of the spring 72 holds the jaws closed. During this movement, the block 26, if it has not already reached its backward limit, is brought against the lug 38 which determines the inward position of the rest 20, and consequently of the shoe. By the movements described, the upper is brought into proper relation to the last, but it is necessary to move the shoe, while the upper is so held, into proper relation to the tacker so that the tack will be driven in the betweensubstance of the sole to hold the lasted upper in position The cam 108, accordingly, now permits the spring 64 to raise the roll 100 which the projection 22 of the rest 20 engages, so that the rest may now rise, due to the tension on the upper and the further movement of the gripper to bring the shoe into the position shown in Fig. 3. The inclination of the sole bottom is determined by the fin 32 in connection with the channel engaging portion of the rest 20, and the tack is driven at the proper angle in the betweensubstance of the sole.

In turn shoe work it is desirable that the lasting tacks shall be anchored only in the between-substance of the .sole, and shall not prick through the sole into thelast, as discolorations are apt to be caused thereby on the face of the sole which is exposed in the finished shoe. It is therefore necessary that the position of the shoe be quite nicely adjusted to the length of the tack and the stroke or" the driver. The parts 20, 32 of the rest, the roll 100, and the abutment 38 of the block 26 accurately determine the vertical, angular and lateral position of the shoe to eflect this result.

The tack having been driven, it is necessary that the work rest carry the shoe outwardly to its initial position ahead of the jaw 67, as an outward movement of the aw relatively to the shoe would cause it to engiage the upper and pull the tack just driven.

ccordingly, the rest is returned positively v to initial position by a plunger 120 operated at the proper time by a suitable cam, and again retracted before the machine stops, to permit the shoe to be pushed back into operative relation to the gripper upon the next operation of the machine, the mechanism for this purpose being substantially as shown and described in United States Letters Patent No. 1,175,041 referred to above.

It is desirable at times to use the machine for insole tacking and similar purposes for which the gripper is not needed. Provision is therefore made for. swinging the gripper downwardly into an inoperative position when so desired. The link 48 may be disengaged from the pin 50 by swinging a spring latch 126 from its normal position over the projecting end of the link, and then raising the link. The gripper and its carrier will then swing downwardly about the axis 46, and the gripper will be disconnected from its actuating mechanism by reason i of the open slot engaged by the pin 82.

Having thus described the invention, what 1 claim as new and desire to secure by Letters Patent of the United States is:

1. An organized machine for step by step lasting, having, in combination, a single gripper arranged to extend transversely across a shoe bottom to engage an upper on the side of the shoe more remote from the machine, means for giving the gripper an updraw movement to tension the upper in a direction substantially perpendicular to the last bottom, and means for moving the gripper to lay the upper over the last bottom.

2. An organized machine of the class described, having, in combination, a gripper arranged to extend transversely across a shoe bottom to engage an upper on the side of the shoe more remote from the machine, operating mechanism to cause the gripper to pull the upper upwardly and then inwardly over the edge of the last and toward the machine, and a shoe bottom rest which is constructed and arranged to resist the upper pulling strain. in both directions.

3. An organized machine of the class described, having, in combination, a gripper arranged to extend transversely across a shoe bottom to engage an upper on the side of the shoe more remote from the machine, operating mechanism to cause the gripper to pull the upper first upwardly to updraw the upper and then inwardly toward the machine, and a rest which is arranged to engage the shoe bottom between the gripping point and the body of the machine.

4. A machine for use in the manufactine of boots and shoes, having, in combination,

a tacker, a gripper, and operating mechanism for giving the gripper an updrawing and an overdrawing movement, said machine being organized to permit the gripper to transfer the shoe into tack receiving position after the updraw mov-ment and to overdraw the upper into position to be fastened by the tacker.

5. In a machine for use in the manufacture of boots and shoes, the combination of a machine frame, a tacker stationary therein and having a driver, a gripper, means for giving the gripper updraw movements toward the tacker, and means for moving the gripper transversely across the driver path from the outer side of the tacker in wardly toward the machine frame.

(3. In a machine for use in manufacturing boots and shoes, the combination of a ma chine frame, upper securing means, a gripper, means for moving the gripper while in pulling engagement with the upper first upwardly toward the field of operation. of the securing means and then transversely of the shoe and relatively to the securing means, and means operating in conjunction with the gripper to locate the shoe in position for the pulled upper to be secured by the securing means.

7. In a machine for use in the manufacture of boots and shoes, the combination of a tacker. a gripper, means for supporting and operating the gripper, a shoe rest projecting outwardly and downwardly at an angle to the front of the machine to permit the shoe to be-readily presented to said rest,

and mountings for said rest permitting movement of the rest by the shoe to bring the shoe upper into position to be engaged by the gripper, and permitting further movement of the shoe rest in response to the pulling action of the gripper to bring the shoe into position to be operated upon by the tacker.

8. In a machine for use in the manufacture of boots and shoes, tacking mechanism, a gripper constructed and arranged to engage the upper of a shoe at a point remote from the tacking mechanism, a power driven movement of the shoe resting means toward.

the tacking mechanism to occur always in time relation to the movements of the grip per to allow presentation of the shoe in proper relation to the tacker to receive at tackin the upper adjacent to the portion of the upper held by the gripper.

9. In the machine for use in the manufacture of boots and shoes, a tacker which is restrained from forward and downward movements and has a vertical driver path, a gripper having an updraw movement toward the tacker and an overdraw movement across the driver path from front to rear, and connected operating mechanism for said gripper and driver.

10. In a machine for use in the manufacture of boots and shoes, a tacker which is restrained from forward and downward movements and has a verticaldriver path, a gripper having an updraw movement toward the tacker and an overdraw movement across the driver path from front to rear, connected operating mechanism for said parts, and a shoe rest arranged to form a vertical and a lateral abutment for the shoe during the updraw and overdraw movements of the gripper.

11. A machine of the class described, having, in combination, a tacker, a work rest to engage the mid portion of the shoe innersole transversely of the shoe, and means permitting alteration of the angle of the rest by pressure of the work to bring the edge of the shoe into-tack receiving position relatively to the 'tacker.

12. A machine of the class described, having, in combination, operating mechanisms, at stop, a work rest having a normally depressed work receiving position and movable with and by the shoe against the stop to bring the shoe into operative relation to one operating mechanism, and means for subsequently moving the stop to permit further movement of the rest to bring the shoe into position for treatment by another operating mechanism.

13. A machine of the class described, having, in combination, a tacker, a gripper,

ieans for giving the gripper tensioning movements, a work rest having a normally depressed work receiving position from which it is movable with and by the shoe to bring the upper into position to be and having a thin end to engage in the channel of the sole and a part to engage the mid portion of the shoe, means for giving the gripper updraw and overdraw movements, and means for holding the rest at a predetermined angle during the updraw movements and permitting a change of angle during the overdraw movements to bring the shoe into position for the upper to be secured by the tacker.

15. A machine for use in the manufacture of boots and shoes, having, in combination, a gripper, a taclrer restrained from inward and outward movement and includ ing a driver and operating means therefor, a sole rest movable toward the driver and also transversely of the driver path, means for actuating the gripper to updraw the upper, and means for holding the rest against movement by the gripper during the updrawing movement of the gripper and permitting movement of the rest to bring the upper into position relatively to the driver to be tacked.

16. In a lasting and fastening machine, lasting mechanism, fastening mechanism, a sole rest formed to have an extended bearing on the shoe bottom, and controlling means therefor arranged to hold the rest against movement during the operation of the lasting mechanism and thereafter to permit movement of the rest to bring the shoe into position to be fastened.

17 In a lasting and fastening machine, the combination with lasting mechanism and fastening mechanism of a sole rest comprising a blade having an engaging face extending lengthwise of the sole channel and formed to enter the channel, and a separate engaging face extending at right angles to the first face to engage a mid-portion of the sole.

18. In a lasting and fastening machine, the combination with lasting mechanism and fastening mechanism of a sole rest having a long narrow engaging face and an other face, said faces being separated from each other by a substantial distance and lying at right angles to each other and said faces being constructed and arranged to engage the sole at the same time, substantially as described.

19. In a lasting and fastening machine, the combination with lasting mechanism another face, said faces being separated from each other by a substantial distance and formed and arranged to engage respec tively the channel of a turn sole and the mid-portion of the sole to control the plane of the last bottom.

20. Ina lasting and fastening machine, the combination with lasting mechanism and fastening mechanism, of a sole rest en gaging a shoe bottom and havingseparate resting faces to engage the shoe bottom in the channel and along a line extending transversely of the sole to control. the plane of the shoe bottom, supporting means to which the rest is movably connected, and means for maintaining the rest with the sole in one plane during a portion of the machines operation and at a definite time in said operation permitting an upward tilt of the shoe bottom.

21. An organized lasting machine for step-by-step lasting, having, in combination, a single gripper arranged to extend transversely across a shoe bottom to engage an upper on the side of the shoe' morc remote from the machine, a carrier for the gripper pivotally supported between the gripper and the machine frame, and operating means to movethe carrier about its pivotal support for pulling the upper upwardly and to move the gripper inwardly toward the machine for pulling the upper over the shoe bottom.

22. An organized machine of the class described, having, in combination, a gripper arranged to extend transversely. across a shoe bottom to engage an upper on the side of the shoe more remote from the machine," operating mechanism to move the gripper upwardly for stretching the upper and to move the gripper inwardly for pulling the upper toward the machine, a shoe bottom rest, and'controlling mechanism for the rest which is arranged to cause the rest to resist upward displacement of the shoe during the updraw movement and thereafter to plcirmit a limited upward movement of the s 0e. 7

23. An organized machine of the class described, having, in combination, a gripper arranged to extend transversely across a shoe bottom to engage an upper on the side of the shoe more remote from the machine, operating mechanism to move the gripper upwardly for stretching the upper and to move the gripper inwardly for pulling the upper toward the machine, a shoe bottom rest, and controlling mechanism for the rest which is arranged to present the rest for receiving the shoe in a position removed from the upper pulling position and permit the rest to be moved backwardly toward the machine, then cause the rest to resist upward displacement of the shoe during the updravving movement of the gripper and thereafter to permit movement of the shoe into the field of action of an upper fastening mechanism, and said fastening mechanism.

24. A lasting machine having, in combination, a gripper, and a shoe rest mechanism including a shoe rest having an initial for- Ward and depressed shoe receiving position and movable upwardly by the shoe to an elevation for the upper to enter the gripper, said rest being also movable backwardly to locate the upper between the jaws of the gripper.

25 A lasting machine having, in combination, a gripper having updravving and overdrawing movements, a tacker for securing the upper, a shoe rest mechanism including a shoe rest having an initial shoe receiving position out of the Way of interference by the gripper and tacker and movable to present the shoe to the gripper, and controlling mechanism operating to hold the rest and thereby the shoe against displacement by the upper pulling movements of the gripper and thereafter to guide the shoe vertically and laterally in tack receiving relation to the tacker.

In testimony whereof I have signed my name to this specification.

v HANNAH ASHTON,

Emecatm'w of the will of Orwell Ashton.

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