US1737719A

US1737719A - Work support

Info

Publication number: US1737719A
Authority: US
Publication date: 1929-12-03
Anticipated expiration: 1946-12-03

Description

1929. v. E. HIPPERSON ET AL 1,737,719

WORK SUPPORT Filed March 22. 1922 Patented Dec. 3, 1929 UNITED STATES PATENT OFFHOE VICTOR E. HIPPERSON, OF NORWICH, AND JOSEPH GOULDBOURN, OF LEICESTER, ENG- LAND, ASSIGNORS TO UNITED SHOE MACHINERY CORPORATION, OF EATER-SON, NEVL JERSEY, A CORPORATION OF NEW JERSEY WORK SUPPORT Application filed March 22, 1922, Serial No. 545,688, and in Great Britain April 27, 1921.

This invention relates to work supports, and is illustrated herein as embodied in a work support adapted to be used in supporting boots and shoes during the insertion of fastenings therein.

It is usual in the manufacture of shoes having leather heels to insert a series of slugs in the toplift of each heel, adjacent to the periphery thereof. The supporting of a shoe having a low heel and its presentation to the slug inserting instrumentalities of ma chines such as are used for this purpose is a comparatively easy matter. In the case of high heeled shoes, which are ordinarily made with a substantial wedge to the heel sothat the heal seat surface and the tread surface are positioned at a considerable inclination to each other, the matter is far from simple. If it is attempted to insert a row of slugs around the periphery of the toplift of a high Louis or Cuban heel, the tread surface of which is inclined with respect to the heel seat surface, the rotation of the shoe and heel about the substantially vertical last pin of the ordinary work support is such as continuously and progressively to change the relation of the plane of the tread surface to the horizontal. The problem is further complicated by the fact that the inclination or angle between the heel seat and the tread surface of heels of this character varies to a very large extent, dependent upon the size and style of the shoe and the height of the heel. Obviously, it is highly desirable that such a work support have an adaptability sufficient to permit its use during the slugging of shoes having heels of any known formation.

The pin holes of lasts are ordinarily bored in a direction substantially perpendicular to the heel seat portion of the last and accordingly at an inclination to the tread surface of any heel which has a substantial wedge, with the result that, as the last is rotated about the last pin, the tread surface of such a heel, instead of rotating in a plane, moves approximately through a conical surface, with an edge, instead ofthe fiat surface of the top-i lift, against the presser plate of the machine during the major portion of the operation. As the heel is necessarily under considerable pressure this often results in injury to the heel and in imperfect insertion of the slugs.

It is therefore an object of the present invention to provide an improved work support of such a character that a shoe having a wedged heel, that is a heel the tread surface of which is inclined with respect to the heel seat surface, may be rotated during the insertion of fastenings with its tread surface at all times in a single plane.

It is a further object of the invention to provide a work support of this character which shall be operative properly to support shoes of all sizes and types irrespective of the heights of their heels or of the extent of the wedge thereof.

\Vith these objects in view a feature of the invention comprises a work engaging member such as a last pin adjustably or otherwise carried by a plate or block mounted not only to permit rotary movement of the work about an axis perpendicular to the presser plate of the machine but also for universal rocking movement or for both rocking and linear movement, with the center about which the rocking movement takes place out of alinement or movable out of alinement with the last pin. In the illustrated embodiments of the invention the rockingor rocking and linear movement is accomplished by mounting the last pin carrying block or plate on a ball so as to permit relative rocking movement or rocking and sliding movement of the ball and the ball engaging portions of the device.

With the above and other objects and features in view the invention will now be described with reference to the accompanying drawings which disclose an illustrative embodiment thereof and pointed out in the claims.

In the drawings, v

Fig. 1 is an elevation, partly insection, of an embodiment of. the invention;

Figs. 2, 3 and 4, are a front elevation, a side elevation, and a perspective view of another form thereof.

The construction of Fig. 1, which is applicable to the slugging of such heels, for example Louis heels, as have a toplift the periphery of which approximates team are of a circle, comprises a last pin 6 projecting perpendicularly from an elongated plate 8 upon which the top surface of the cone portion of a last may rest. This plate is of substantially the width of the cone of a last and has projecting from its sides near one end thereof a pair of lugs 10 acting as a stop to restrain relative movement of the work and the last pin during the slugging operation. Plate 8 is carried by and is rigid with. a ball 12 arranged out of alinement with the last pin 6 and resting in a cupped seat formed in the upper end of the horn post of a slug inserting machine. If the hall 12 is arranged somewhat to the rear of the last pin it will be found that a device of this character may be used to support shoes having Louis heels of a considerable range of height and wedge so that they may be rotated without their toplifts departing substantially from the plane of the presser plate of the machine.

Such a construction, however, while it has the merit of extreme simplicity, is not of universal application, and where a larger range of styles ofshoes is to be dealt with the construction of Figs. 2, 8 and 4 may more advantageously. be used. Many heels used upon womens shoes and practically all heels used upon mens shoes are formed with a portion of the peripheries of their tread surfacesat each side and adj scent to their breast corners approximating to a straight line. To facilitate the slugging of this portion of these heels it is desirable that provision be made forgiving the work a substantially rectilinear movement in addition to the rotary movement which takes place during the slugging of the rear portions of the heels. Moreover themost desirable distance between the last pin and the Center of rotation will vary with the diameter of the toplift. These points areall adequately cared for by the construction shown in Figs. 2, 3 and 4.

Accordingly, in this construction the plate 8 carrying the last pin6 and the stop members 1O isnot rigid with the ball 12 but has pivoted to it bya pin 14 a block 18 having a rectilinear slot or way 20 of circular crosssection formed .inits lower surface. The block 18 andplate 8 are connected by an adjusting screw 22 threaded through the block 18 and having a ball entering a guideway of circular cross-section in the plate i. so that the slot 20 can be adjusted into parallelism with the toplift of the heel of the particular shoebeing operated upon. Any usual or suitable means may be provided for securing the screwv22 in adjusted position.

In this form of the device the ball illustrated at 24, which is received in slot 20, is formed upon the upper end of a rod shown asa spring suoported plunger 26 seated in a bore formed in the upper endof an adj ustable arm 28. Thus, as shown inFig. 2, ball 24 is normally out of alinement with and to the rear of last pin 6. ll pin 29 engaging a flat surface formed upon plunger 26 may advantageously be used to prevent rotation or the inadvertent displacement of the plunger. To permit substantially horizontal adjustment of the last supporting structure as a whole toward and from the fastening inserting instrumentalities (illustrated as an awl 30 and a driver 32) of the machine, the arm 28 is pivoted at 34 to a bracket 36 adjustably clamped upon the horn post of the machine. An adjusting screw 38 having a rotary bearing near the extremity of bracket 36 is threaded into arm 28 so that rotation of the screw will adjust the arm above its pivot 34. Any usual or suitable means may be provided to secure the screw in adjusted position. In order to limit relative movement of the block 18 and the ball 24 a readily removable stop such as a block 40 secured in the slot 20 by a screw or pin 42 may he provided. Such a stop will prevent excessive displacement or the ball with respect to the axis of the last pin and may at times be advantageously used in operupon large flat heels such as are used upon mens shoes and other relatively low heels which call for only a minimum, if any, displacement of the last pin forwardly of the ball. lVhen block 40 is removed, the pin or screw 42 will prevent the escape of block 18 from the ball.

in the operation of the device screw 22 is idjusted so as to bring slot 20 substantially nto parallelism with the toplil't of the heel to be operated upon and any adjustment is "iade by means of screw 38 which may be necessary to bring the work into proper relati n to the fastening inserting instrumentalities oi the machine under these circumstances. The slugging is then proceeded with in the usual manner, the work as well as the block 18 and the parts carried thereby having either a rectilinear movement during which the block slides on ball 24 or a rotary movement during which the block rotates about ball 24 or a movement which is a composition of the two, depending upon the shape of the heel. During all of this movement the topliftremains substantially in the plane of the presser plate of the machine so that the slugging is accomplished with out undue pressure upon the edge of the heel. Dillerences in the relative inclination of the tonliit and heel-seat inshoes operated upon, which are not large enough to necessitate adj ustment oi screw 22, areautomatically taken care of by rocking movement with rolling contact oi block 18 upon ball 24.

lVhile the invention hasheen herein described with respect to the insertion of slugs in {the h els of shoes it should he understood that this is primarily iorillustrative purposes and that the invention in some of its n.4- in aspects is of a scope to make it useful in connection with the insertion of 't'astenings of other kinds and in connection with their insertion in other parts of shoes. Bearing this in mind the words slug, topli'tt, heel, etc., should be taken in an illustrative rather than in a restrictive sense.

Having described our invention, what we claim as new and desire to secure by Letters Patent oi the United States is:

1. In a fastening insertingmachine having an abutment against which the tread surface of a heel is held during the insertion of slugs step by step around the heel, a work support comprising a plate, a last pin carried by the plate, a ball carrying the plate arranged to permitrocking movement of the plate and normally positioned out of alinement with the last pin, and means to prevent relative rotation or" the last and the last pin constructed and arranged to permit the tread surface of the heel of a shoe on a last car ried by the work support to be rotated dur ing the insertion of fastenings with its tread surface at all times in a single plane.

2. In a fastening inserting machine having an abutment against which a plane surface of the work may be held during the insertion of a series of fastenings therein, a work support comprising a ball and a work holding member carried thereby and mounted for sliding and rocking movement relatively to each other to permit rotation of the work during the insertion of tastenings with said plane surface of the work at all times in a ingle plane.

3. In a machine for inserting tastenings step by step around the heel end of a shoe bottom, a work support having a work restraining stop, a member carrying the work support, said work support being ar 'anged for rocking movement with rolling contact about said member and for linear movement relatively thereto.

at. In a machine for inserting slugs step by step around a heel, a last support having a last restraining stop arranged to engage the exterior of the cone of a last, a ball carrying said last support, said last support being arranged itor rocking movement with rolling contact about said ball and for linear movement relatively thereto.

5. A work support comprising a plate, a last pin carried thereby, a pair of lugs arranged to engage the cone of a last to prevent rotation of the last about the last pin, and a ball carrying the plate for universal movement and normally out of alinement with the last pin.

6. A work support comprising a plate, a

last pin carried thereby, means for engaging the exterior surface of the cone of a last to prevent rotation of the last about the last pin, and means for supporting the plate arranged to permit universal rocking movement of the plate about a center out of alinement with the axis of the last pin.

7. A work support comprising a plate, a last pin carried thereby, a pair of lugs carried by the plate and arranged to prevent rotation of a last about the last pin, and a ball carrying the plate for universal movement and normally out of alinement with the last pin.

8. A work support comprising a plate, a last pin carried thereby, a stop arranged to engage the exterior surface of the cone of the last to prevent rotation of the last about the last pin, and a universal connection supporting the plate arranged to permit rocking movement of the plate about a center out of alincment with the axis of the last pin.

9. A work support comprising a post, a ball supported thereby, a block mounted upon the ball and pivotally and linearly movable relatively thereto, and a last pin carried by the block.

10. A last support comprising a ball, a plate carried by the ball and arranged to engage the top surface of the cone of a last, said plate being mounted for universal movement relatively to said ball, and a last pin carried by the plate.

11. A work support comprising a post, a ball supported thereby, a block carried by the ball and ar anged for sliding and rolling .iovement thereon, and a last pin carried by the block.

12. A work support comprising a post carrying a ball, a block carried by the ball and arranged for sliding and rolling movement thereon, and a last pin carried by the block.

13. A work support comprising a post carrying a ball, a block carried by the ball and arranged for sliding and rolling movement with respect thereto, and a last pin adjustably carried by the block.

1%. A work support comprising a ball, and a work holding member carried thereby and mounted for sliding and rolling movement with respect thereto.

15. A work support comprising a plate, a last pin carried by the plate, a ball, a block mounted upon the ball for sliding and rolling movement, and means for adjustably connecting the plate and the block.

16. A work support comprising a last pin, a block on which the last pin is mounted, and a carrying member with respect to which the block has both rocking and linear sliding contact.

17. A work support comprising a last pin, a block upon which the last pin is mounted, and a ball arranged to carry the block and having both sliding and rocking contact therewith.

18. A work support comprising a block, a

block and with respect to which the block has both sliding and rocking contact.

19. A worlr support comprising a slotted block, a last pin carried thereby, means for angularly adjusting the last pin with respect to the block, and a ball positioned in the slot of the block, and with respect to which the block may have both sliding and rocking contact.

20. A work support comprising a post carrying a ball, a block provided with a slot housing said ball to permit rocking and slid ing movement o1 the block upon the ball, and a last pin carried by the block.

9-1. A work support comprising a rod terminating in a ball, a block provided with a slot housing said ball to permit rocking and sliding movement of the block upon the ball, a plate pivoted to the block, means for adjusting the plate with respect to the block, and a last pin carried by the plate.

22. A work support having a last engagi; member, and a carrying member therefor, the last engaging member being mounted on the carrying member for rocking movement and for substantially rectilinear movement relatively to the carrying member in a direction approximately parallel to the surface of the work upon which an operation is to be performed.

23. A work support having a last pin, and a carrying member thereton the last pin beinn mounted on the carrying member for rocking movement and for substantially rec? tilinear movement relatively to the carrying member in a direction approximately parallel to the surface of the work upon which an operation is to be performed.

24. A work support comprising an adjustably supported arm, a plunger carried by the arm, a ball formed upon the end of the plum;- er, a block having a slot in which the ball. is housed for sliding: and rocking movement, a plate pivoted to the block, a screw for adjusting the pivotal relation of the plate and the block, and a last pin carried by the plate.

25. A work support comprising an adjustably support-ed arm, a plunger carried by the arm, a ball formed upon the end of the plunger, a block having a. slot in which the ball ishoused for sliding and rocking movement, a stop for limiting sliding movement of the block with respect to the 7 ball, a plate pivoted to the block, a screw for block, a last pin carried thereby, means for angularly adjusting the last pin with respect to the block, a ball housed in the slot of the block, and with respect to which the block may have both sliding and rocking contact, and a stop for limiting the relative sliding movement of the block and the ball.

In testimony whereof we have signed our names to this specification.

VICTOR E. HIPPERSON. JOSEPH GOULDBOURN.

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