US3009181A - Machines for applying pressure to shoe bottoms - Google Patents

Description

MACHINES FOR APPLYING PRESSURE TO SHOE BOTTOMS www Nov. 21, 1961 w. A. BARKl-:R ET AL 3,009,181

MACHINES FOR APPLYING PRESSURE TO SHOE BOTTOMS 5 Sheets-Sheet 2 Filed March 9, 1960 Nov. 21, 1961 w. A. BARKER ET AL 3,009,181

MACHINES FOR APPLYING PRESSURE TO SHOE BOTTOMS 5 Sheets-Sheet 3 Filed March 9, 1960 Nov. 21, 1961 w. A. BARKER ET AL 3,009,181

MACHINES FoR APPLYINE PRESSURE To sHoE BoTToMs Filed March 9, 1960 5 Sheets-Sheet 4 Nov. 21, 1961 w. A. BARKER ET AL 3,009,181

MACHINES FOR APPLYING PRESSURE TO SHOE BOTTOMS Filed March 9, 1960 5 Sheets-Sheet 5 3,009,181 Patented Nov. 21, 1961 3,009,181 MACHINES FUR APPLYNG PRESSURE T SHGE BOTTDMS William Arthur Earlier, Norman Victor Germany, and

Malcolm Tillyard, Leicester, England, assignors to United Shoe Machinery Corporation, Boston, Mass., a

corporation of New Jersey Filed Mar. 9, i960, Ser. No. 13,848 Claims priority, application Great Britain Mar. i4, 1959 12 harms. (ci. r2-ia4) This invention relates to machines for applying pressure and attaching outsoles to the bottom surfaces of cement shoes, to the heel seat portions of which high heels already are attached, |`and simultaneously for applying pressure to attach heel breast covering flaps split from the outsoles, and more particularly to improvements in a machine disclosed in an yapplication for Uni-ted States Letters Patent, Serial No. 785,405, tiled January 7, 1959, upon application of William A. Barker.

T o insure 4a well formed appearance on the tread surface of a shoe sole, particularly about the forepa-rt, it has been Ifound most practical to employ a solid pad of rubber or similar yield-able material to press the forepart ofthe sole against the shoe bottom. However, when it is `desired to press `a breast ap against a heel at the same time as the forepart of the sole is being pressed against the shoe bottom, breast ap pressing means of a more conveniently adaptable nature than found with a solid pad becomes desirable, if the apparatus is to be utilized with shoe heels of widely varying heights, sizes and styles, especially with high strength Neoprene types of adhesives utilized in present day cement shoe manufacture, since there is little opportunity to correct misplacement of the breast Hap or to smooth wrinkles formed therein through improper application of the ap to the heel.

In the machine of the prio-r Barker application a machine is provided with a pad box, in which there is located in addition to a solid pad of yieldable material arranged to press the lforepart portion of the sole against a shoe bottom, a dilatable fluid containing pad arranged to press the shank portion of the sole against the shoe bottom and also to press simultaneously the heel flap against the heel breast. The solid forepart pad overlies a fluid containing pad which is connected with the dilatable shank pad by a flexible pipe, so that as pressure is developed between the forepart of the `sole and the solid pad, the shank pad is dilated and presses the sole and heel breast iiap in a desired manner. To resist the pressure of the shank pad against the heel, so that no diiiculty is encountered in displacing the heel from proper relationship with the shoe, a second dilatable pad is located to engage the rearward surface of the heel and is connected through a flexible pipe with the uid containing pad underlying the solid forepart pad. Thus, both the shank pad and the heel supporting pad have introduced into them fluid pressures of equal and opposite intensity.

It has been found that in the machine olf the prior Barker application a substantial range of 'heel heights may be dealt with, but that the limits to ywhich the dilatable heel supporting pad is adaptable with shoes having heels of varying heights may not be as extensive as could be desired. It is, accordingly, an object of this invention to provide a machine of the type disclosed in the prior Banker application, which without being unduly complicated or expensive may be able to carry out effectively the simultaneous application of pressures to the forepart, shank and heel breast liap portions of a shoe sole during their respective attaching operations on a shoe, especially in cases where shoes have attached heels of a very high heel type in .the order of four inches.

In the accomplishment of the above noted and other obiects, the illustrated machine has a pad box carried by `a base supported in the machine frame, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means for bringing together the pad box base and the holding devices to attach the sole to the shoe, a dilatable shoe shank engaging pad, a second dilatable pad on the base to support the rearward surface of the heel on a shoe and a flexible pipe connected from the shank pad to the heel supporting pad to equalize the pressures therein, in which there is provided a cradle for the shank pad mounted for pivotal movement about an taxis extending transversely to a shoe on the shank pad and through the shank pad between the shank and the heel of the shoe to transmit pressure progressively along Ithe shank of the shoe to the heel Iand downwardly along the breast of the heel to its tread surface as the main pressure applying means acts 0n the shoe. Thus, the angular position of the supporting pad may be changed in accordance with the requirements for a full range of shoe sizes and heel heights.

ln the machine of the prior Barker application above identified, the dilatable shoe shank engaging pad is hingedly mounted on the main forepart pad box. When so mounted it is possible to adjust the position of the shank pad relatively thereto Abut with varying sizes and styles of shoes it been found that a progressivelyI applied pressure on an outsole from the area of the shank of the shoe rea-rwardly of the ball of the shoe and continuing along the shank to Ithe heel seat portion olf the shoe bottom is not always uniformly accomplished. To facilitate progressive application of pressure in the desired'manner for all sizes and styles of shoe, the shank engaging pad of the present invention is so mounted that it is capable of movement bodily away from the bal-l of the shoe as the shank pad becomes dilated `and that the shank of the shoe extending toward the heel seat thereafter has applied to it a sole attaching pressure in the desired sequence.

These and other features of the invention as hereinafter described and claimed will be apparent from the following detailed specification taken in connection with the accompanying drawings, in which:

FIG. 1 is a sectional view in side elevation of portions of a machine having a pad box with a shoe thereon illustrating the features of the present invention;

FIG. 2 is a similar View of the pad box and its supporting base in .the machine of FIG. 1;

FIG. 3 is a plan view of the pad box and portions of its supporting base;

FIG. 4 is a rear end View on a somewhat enlarged scale of the pad box and portions of a cradle mounting in the base thereof, certain parts having been shown broken away and in section;

FIG. 5 is a partial sectional view on an enlarged scale of the heel engaging side of a dilatable shank pad and its supporting cradle;

FIG. 6 is an end view of the dilatable shank pad with its supporting cradle shown in FIG. 5; and

FIG. 7 is an enlarged partially sectional view in elevation of the heel engaging side of a heel supporting pad employed in the machine.

The machine is generally similar to thatl disclosed in the Barker application above identified and is intended for use as a two-station shoe bottom pressing machine having at each station a carrier 2 containing a pad box 4, as Will be described more fully hereinafter. For applying pressure against the forepart and shank portions of an outsole 6 temporarily secured to a Womans shoe and for simultaneously pressing a heel breast ap split from the outsole against the breast face of a heel 8 already attached to the bottom of the shoe the machine is provided with main pressure applying means arranged in a manner similar to that shown in United States Letaooalel ters Patent No. 2,047,185, granted July 14, 1936, upon application of M. H. Ballard et al., No. 2,080,035, granted May 1l, 1937, upon application of S. I. Finn, and No. 2,012,272, granted August 27, 1935, upon application of S. J. Finn. The main pressure applying means is carried by a main frame it) (see FIGS. 2 and 4) of the machine.

The main pressure applying means in the construction shown includes a piston 12 slidably mounted within a cylinder formed in the frame and a pair of toe and heel engaging abutments 14 and 16 (FIG. l). The piston 12 is secured at its upper' end to a base 18 for the pad box. As an alternative to the use of a piston for moving the pad box toward the shoe engaging abutments, the pad box may be fixed on the frame it) of vthe machine and the abutments 14 and 16 may be moved in the frame toward and from the pad box as in the machine of Patent No. 2,047,185. The pressure applying means in the frame of the machine, therefore, may be in any form which effectively brings together the pad box and the toe and heel holding devices.

The pad box 4 carries a solid upper forepart pad 2i) composed of relatively unyielding rubber material resting upon a solid lower pad 22 consisting of soft, more readily yieldable rubber. The upper pad 2t) is covered with a leather shield 21 and is formed with a rearwardly extending tail 24 which provides an end face projecting beyond the pad box for a purpose which will be explained.

In the machine of the prior Barker application above identified, the pad box is mounted for relative movement in upstanding portions of the pad box base and whenever pressure is exerted on a shoe, the pad box acts directly to press fluid from a pad in the base and causes it to dilate other pads both for engaging the shank and heel breast of a shoe being operated upon and the rearward surface of the heel to prevent displacement of the heel from the shoe as pressure is applied by the shank pad.

In accordance with a feature of the present invention the pad box 4 is capable of being adjusted angularly to accommodate shoes having various heights of heels or in accordance with other requirements. For this purpose instead of arranging the pad box for direct engagement with the fluid containing pad, as in the machine of the prior application, the pad box 4 is pivotally mounted in the carrier 2 and is so arranged that the for-ward end of the pad box may be raised or lowered to suit the requirements of the shoes being operated upon, the carrier 2 being arranged to press downwardly against the iiuid containing pad instead of utilizing the pad box directly for this purpose.

To mount the pad box 4 on the carrier 2 for angular adjustment, the carrier has vertical flanges having bearing lugs through which pass pivot pins 26 on which the carrier is mounted (see FIGS. 2 and 3). The pins 26 are secured in the lugs of the carrier 2 by set screws 28 threaded into the upstanding lugs in the carrier flanges. The pad box also has lugs through which the pins 26 pass loosely. At the forward end of the pad box is rotatably mounted in downwardly extending projections from the pad box a horizontal shaft 30 carrying a pawl 32 pinned to the shaft. The pawl 32 is yieldingly actuated in a clockwise direction toward a ratchet plate 34 (FIG. 1) secured to the carrier 2, so that upon raising the forward part of the pad box it swings about the pins 26. To facilitate raising the forward end of the pad box, the pad box has projecting from it a lifting finger 35, the pawl 32 riding idly over the ratchet teeth on the plate 34 as the pad box is raised. To retain the pad box in raised position a rearwardly extending arm of the pawl 32 engages a lower end of a spring 35 compressed between the arm and the upper end of a recess in the pad box 4. To lower the pad box about the pins 26, an arm 3S (see FIG. 2) is secured to one end of the shaft 30 to facilitate release of the pawl from the ratchet, so that the desired angular relationship of the pad box and the carrier may be obtained. To prevent the force exerted by the pressure applying means to be applied directly to the pins 26, a lost motion connection is provided between the pad box and the pins 26. To this end the pins pass through oversized openings in rearwardly extending lugs on the pad box (see FiG. 3

To take up the force exerted by the pres. are applying means on a shoe and to transfer it to the carrier 2 independently of the pins 26, the pad box is provided at its lower end with a downward projection 39 (see FIG. l) arranged to engage an angular surface 40 on the carrier 2. When the pad box is in its lowermost adjusted position a surface 42 on the pad nox engages a face 44 on the carrier. To enable these force receiving surfaces to engage firmly the openings for the pins 26 in the pad box 4 are made relatively large for ample lost motion between the pad box and the carrier 2. As the pad box swings about the pins 26 the surfaces 39 and 40, therefore, are enabled to be continually in engagernent.

The fluid containing pad of the present machine is mounted in the base of the pad box as in the machine of the prior Barker application. This iiuid containing pad is indicated at 46 and is formed in part by the bottom surface of the base and in part by a rubber diaphragm 4S clamped in fluid-tight relationship with thc base. To suspend the carrier 2 and maintain it in proper relationship with the fluid containing pad 46 vertically spaced lugs on the carrier have connected to them two pairs of horizontal links 49 (FIG. 2) which act to maintain the carrier in a level position with freedom for vertical movements.

To cause pressure to be applied to the shank of a shoe being operated upon progressively from the ball portion of the shoe to the heel seat and thence along the breast of the heel to its tread surface, the ball portion of the shoe is engaged with the tail 24 of the upper pad 20 at approximately the midsection of the shoe shank and the shank surfaces of the shoe are engaged by a shank pad 50 carried by a confining cradle 52 having a mounting supported in accordance with a feature of the present invention about the pivot pins 26 on the carrier. The mounting for the pad box is arranged in such manner that automatic adjustment is provided for the shank pad lengthwise of the shoe and manual adjustment is provided for the shank pad heightwise of the shoe. For this purpose there is rotatably mounted on the carrier 2 by means of the pins 26 a yoke 54 having horizontally spaced parallel arms and a downwardly extending sector portion which connects the arms for joint movement about the pins 26. Also, formed integrally with the yoke 54 is an arm carrying a spring pressed pin S6 engageable with any one of a series of openings 57 in the carrier 2. At the rearward end of the parallel arms on the yoke 54 are a pair of rolls 58 (FIGS. 2 and 3), one of which is beveled and the other fiat edged, engaging grooved and fiat surfaces formed on shoulders 59 (FIG. 5) on the cradle 52 projecting over the rolls and having abutments at the ends of the shoulders to limit the movement of the cradle along the rolls. The downwardly extending sector of the yoke 54 also serves to support adjustably the tail 24 of the upper pad 20 and to maintain the tail 24 of the upper pad in contact with the cradle for the shank pad.

The cradle enclosed dilatable shank pad 50 is yieldingly held in engagement with the rearward end of the tail 24 of the upper pad 20 by a pair of springs 60, each stretched between a hook or pin fixed to the carrier 2 and a hook projecting from the cradle 52. Thus, the cradle normally assumes a position at the limit of its forward movement before pressing a shoe after it is introduced into the machine, and the shank pad is capable of being expanded against the tail 24 of the upper pad in a rearward direction progressively against the breast of the heel. The interior of the dilatable shank pad 5t) is connected by iluid transmitting means, including a tixture 62 (FIG. 5), a flexible pipe 63, and a lixture 64 (FIG. 3) leading into the uid containing pad d6. As pressure is developed by torce applied to the fluid containing pad, the dilatable shank pad becomes enlarged, applying pressure progressively along the surface of the shank to the heel and downwardly along the breast of the heel in a desirable manner. Expansion of the shank pad tends to move the cradle containing the pad bodily in a rearward direction guided by each shoulder 59 and roll 58. By so doing the operation of the dilatable shank pad is improved over that produced by the shank pad of the prior application, in that greater uniformity and reliability of progressive action is provided.

To mount the rolls 5S on the yoke S4 the arms have secured to them a pair of studs 65, one at either side of the cradle 52, the rolls rotating on the studs. By this construction the cradle is held at all times in engagement with the tail of the upper pad 26'.

In order to support the heel of the shoe against displacement as the heel breast ap is pressed against the face of the heel by the dilatable shank pad 56, a second dilatable rubber' pad 66 is arranged for engagement with the rear curved surface of the heel and a part of the heel end oi: the shoe upper lying about the heel. The pad 66 is held in a cradle 68 mounted for pivotal movement about a pair of pins 76 (FIG. 2) projecting laterally from the cradle 66 and passing through forwardly projecting arms of a slide 72. The slide 72 is mounted on a guideway 74 (see FIG. 4) and the slide has mounted at its rearward end a horizontal rockshaft 76 along the central portion of which is secured a pawl 73. The pawl 78 is disposed above a series of ratchet teeth 80 to lock the pad 66 from separation from the rearward surface of the shoe heel during operation of the machine. To actuate the slide and pad 66 toward and from the heel of a shoe the rockshaft 76 has at its ends a pair of arms 82 pivotally connected to a pair of links 84, in turn pivotally connected to the upper ends of a pair of arms S6. The arms 86 are secured to a iorizontal shaft 83 rotatably mounted in the pad box base 13 and at the rear-ward end of the shaft 8S there is secured an arm 90 pivotally connected through a link 92 (see FIG. 4) to a block Sie secured to the upper end of a headed rod 96 slidingly supported in a plate 98. The plate 98 is in turn secured to the frame 10 of the machine. Below the plate 98 the rod 96 is surrounded by a spring 160. During operation of the machine, as the base 18 moves away from the frame 10 the heel supporting pad 66 is moved against the rearward surface of the heel until it engages the heel and thereafter the spring 100 is compressed without moving the heel supporting pad 66. Besides moving the pad 66 toward vand from the shoe heel, the connections described raise and lower the pawl 78 with relation to ratchet teeth 80 on the guideway 74 to lock the heel supporting pad in engagement with the shoe heel. During the return movement of the base 18 towards the frame 1t), the connections disengage the pawl 78 from the ratchet teeth 8@ and move the heel supporting pad rearwardly. To limit the rearward movement of the heel supporting pad the guideway 74 has secured by screws 102 (FIG. 4) to its rearward end a stop plate 1M against which the pawl 75 strikes during the return movement of the pad.

To bias the pawl 78 for movement toward the ratchet teeth Sii, one of the arms 32 has a pin, between which and a pin on the slide 72 there is stretched a tension spring 165.

ln the case of a machine in which the shoe engaging abutments Ji and 16 are raised and lowered and in which the shoe remains stationary, instead of operating the heel supporting pad 66 through connections between the pad bex base and the machine frame, there may be provided additional connections controlled by the operator in starting the machine. In this case a starting treadle is connected to the slide '72 on which the heel supporting pad is mounted in such a way that the heel supporting pad is engaged with the shoe heel before the sole attaching operation is started.

The dilatable heel supporting pad 66 is for-med with a thickened forwardly facing wall (FIGS. l and 6) covered with a sheet of leather 106, the margins of which are Secured to the cradle 68, which is in the form of 'a hollowed out enclosure. The fonm of the heel supporting pad 66 is more clearly illustrated in FIG. 7. At the top of the pad the iluid transmitting means is continued through a flanged nipple, the flanges of which are also secured to the upper surface of the enclosure by a clamp block 108 having a threaded outlet from the pad engaged by a lixture 110 (FIG. 4). rl`he fixture 116 has engaged with it the upper end of a flexible pipe 112, the opposite end being similarly connected to a fixture 113 (FIG. 3) entering the uid containing pad 46. By means of the pipes 63 and 112 and a `free fluid passage through the pad 46, the Huid pressures in the shank pad 5G and the heel supporting pad 66 are equalized and the forces exerted on the heel breast and rear surface are substantially balanced. Thus, the tendency to displace the heel 8 from a shoe being operated upon is reduced to a minimum.

By reason of the pivotal mounting provided by t ,e pins 76) which pass through the lower end of the cradle 68, the pad 66 is hinged for angular movement, so that its heel engaging face can be adjusted to assume different degrees of inclination to the horizontal. When the heel supporting pad has been adjusted to the desired angular position, it is locked against further movement by a pawl and ratchet, the pawl of which is indicated at 114, and the ratchet of which is in the form of a toothed plate 116 secured to the slide 72. The pawl is secured to a shaft 117 rotatable in the cradle 68. In Order to release the pawl 114 from the ratchet plate 116 and to allow the heel supporting cradle to be swung about the axis of the pins 70, the pawl supporting shaft 117 has fixed to one end an arm 118 having a handle by which the shaft can be turned in a counterclockwise ldirection as viewed from FIG. 2, thus moving the pawl clear of the teeth on the ratchet plate. To draw the pawl against the toothed plate 116, a hook made fast tothe shaft 117 has stretched between it and the cradle 68 a tension spring 119.

The heel supporting pad 66 is arranged to move downwardly with the shoe during the sole attaching operations, as in the machine of the prior Barker applic-ation. For this purpose the guideway 74 is supported by two sets of parallel links 120 `and 122 pivotally connected between the guideway 74 and the opstanding lianges of the base 1S. To maintain the heel supporting pad and the guideway '74 in raised position before a sole attaching operation is started, the links 120 at their forward ends and the rearward ends of the links 122 have attached to them hooks between which are stretched coil springs 124 (FIG. 4) at either side of the guideway 74, the action of the springs tending to olfset the weight of the heel supporting pad and the slide 72.

Refer-ring more particularly to FIGS. l, 5 and 6, the shank pad 50 has its heel engaging wall of varying thickness along the length of a shoe heel, the wall being thinnest at its upper end where it merges with the shank engaging portion of the heel, and becoming gradually thicker in a downward direction toward the lower end. iIn this way the heel engaging wall can yield and act progressively against and downwardly along the breast iiap supported by the heel as the fluid pressure gradually increases within the shank pad.

The heel supporting pad 66 has its heel engaging wall of substantially uniform thickness from its upper to its lower end as distinguished from the heel engaging wall of the shank pad. The heel supporting pad ditfers also from that disclosed in the prior Barker application, in that it overlaps the upper portion of the heel and covers a substantial proportion of the shoe upper above the heel. Such an arrangement is advantageous in preventing displacement of the heel from its seat during the soie attaching operations and also, in general, in resisting movement of the shoe in the pad as the pressure on the shoe is increased. Such an arrangement also makes it desirable to adjust the heel supporting pad in an angular direction in order to accommodate different styles and sizes of shoes, especially where shoes of larger size have different curvatures along the rearward surfaces of the heel from shoes of smaller size.

The nature and scope of the invention having `been set forth and a particular embodiment having been described, what is claimed is:

l. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a hase for the pad box in the frame, shoe-engaging and holding devices in the frame opposite the pad box, main pressure applying means for bringing together the pad box oase and the holding devices, a dilatable shoe shank engaging pad, a dilatable pad on the base to support the rearward surface of the heel on a shoe and luid transmitting means connected from the shank pad to the heel supporting pad to equalize the pressures therein, in combination with a cradle for the shank pad mounted for pivotal movement about an axis extending transversely to a shoe on the shank pad and through the shank pad `between the shank and the heel of the shoe to transmit pressure progressively along the shank of the shoe to the heel and downwardly along the breast of the heel to its tread surface as the main pressure applying means acts on the shoe.

2. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means for bringing together the pad box base and the holding devices, `a dilatable pad on the base to support the rearward surface of the heel on a shoe and uid transmitting means connected to the heel supporting pad, in combination with a dilatable shoe shank engaging pad connected to the iiuid transmitting means and constructed with a wall of gradually increasing thickness extending along the length of a shoe heel engaged thereby in a direction toward the lower end of the heel and a cradle for the shank pad mounted for pivotal movement about an axis extending transversely to the shoe engaged by the shank pad and through the shank pad between the shank and the heel of the shoe to cause pressure to be transmitted progressively along the shank of the shoe to the heel and downwardly along the breast of the heel to its tread sur- `face as the main pressure applying means acts on the shoe,

3. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box .in the frame, a mounting for the pad box in the base to lenable the pad box to move vertically relatively to the base, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a solid rubber pad in the pad box ar- -nanged to engage the forepart of a shoe introduced into the machine and formed with a rearwardly extending tail projecting rearwardly beyond the pad box, a dilatable pad for engagement with the shank of the shoe, and a cradle in which the dilatable shank pad is contained, in combination with a mounting for the cradle on the pad box arranged for automatic adjustment lengthwise of the shoe on the pad during operation of the machine to enable the cradle to be moved bodily in a rearward direction toward the heel of the shoe.

4. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to the shoe bottom, as in claim 3, in which the automatic adjustment lengthwise of the shoe on the pad is provided by shoulder and roll connections between the pad box and the cradle for the shank pad.

5, A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to the shoe bottom, as in claim 4, in which the mounting for the pad box comprises a carrier suspended on the base, the mounting for the cradle comprises a manually adjustable yoke pivotally mounted on the carrier by studs secured to the yoke, one at either side of the cradle to hold the cradle in engagement with the tail of the forepart pad.

6. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, a carrier suspended from the base on which the pad box is mounted to enable the pad box to move vertically relatively to the base, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a solid rubber pad in the pad box arranged to engage the forepart of a shoe introduced into the machine and formed with a tail projecting rearwardly beyond the pad box, a dilatable pad for engagement with the shank of the shoe and a cradle in which the dilatable pad is contained, in combination with a manually adjustable yoke pivotally mounted in the carrier, studs secured to the yoke at either side of the cradle to hold the cradle in engagement with the tail of the forepart pad and to maintain the tail of the forepart pad in contact with the cradle for the shank pad, shoulders on the cradle `and rolls rotating on the studs and engaging the shoulders on the cradle to enable the cradle to be moved bodily in a rearward direction toward the heel of the shoe during operation of the machine and the yoke to support the tail of the forepart pad while maintaining contact with the cradle for the shank pad.

7. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, `a pad box, a base for the pad box in the frame, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a dilatable pad mounted for engagement with the shank of the shoe being operated upon and for heightwise adjustment on the pad box, a slide supported for horizontal movement on the pad box base at the rear of the shank pad, a dilatable pad to support the rearward surface of the heel and of the upper in a shoe on the shank pad, and uid transmitting means connected from the shank pad to the heel supporting pad to balance the forces of the shank and heel supporting pads, in combination with a cradle for the heel supporting pad mounted for angular adjustment on the horizontally movable slide.

8. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion on the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a dilatable pad mounted for engagement with the shank of the shoe being operated upon and for heightwise adjustment of the pad box, a slide supported for horizontal movement on the pad box base at the rear of the shank pad, a dilatable pad to support the rearward surface of the heel `and ofthe upper in a shoe on the shank pad and uid transmitting means connected from the shank pad to the heel supporting pad to balance the forces of the shank and heel supporting pads, in combination with a cradle for the heel supporting pad mounted for angular adjustment on the horizontally movable slide, and a lock for securing the cradle for the heel supporting pad against angular adjustment on the slide during the application of pressure to the shoe by the pressure apply ing means.

9. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a dilatable pad mounted for engagement with the shank of the shoe being operated upon and for heightwise adjustment on the pad box, a slide supported for horizontal movement on the pad box bass at the rear of the shank pad, a dilatable pad to support the rearward surface of the heel end of the upper in a shoe on the shank pad and fluid transmitting means connecting from the shank pad to the heel supporting pad to balance the forces of the shank and heel supporting pads, in combination with a cradle for the heel supporting pad mounted for angular adjustment on the horizontally movable slide and a hand releasable pawl and ratchet comprising a lock between the cradle for the heel supporting pad and the slide to prevent change of angular relationship of the heel supporting pad during the application of pressure to the shoe by the pressure applying means.

d0. A machine for applying pressure to a high heel shoe bottom, and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, a carrier for the pad box mounted in the base for vertical movement relatively to the base, shoe engaging and holding devices in the -frame opposite the pad box base, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a dilatable pad mounted for engagement with the shank of the shoe being operated upon and for heightwise adjustment on the pad box, a slide supported for horizontal movement on the pad box base at the rear of the shank pad, a dilatable pad to support the rearward surface of the heel and the upper of a shoe on the shank pad, iluid transmitting means including flexible pipe connected from the shank pad to the heel supporting pad to balance the forces of the shank and heel supporting pads, and said uid transmitting means also including a uid containing p-ad connected with the exible pipe and mounted beneath the carrier for the pad box to be compressed during operation of the main pressure applying means, in combination with a pivotal mounting for the pad box on the carrier to enable adjustment `of the angular position of the pad box.

-11. A machine for applying pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, a carrier for the pad box mounted in the base for vertical movement relatively to the base, shoe engaging and holding devices in the frame opposite the pad -box base, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a dilatable pad mounted for er1- gagernent with the shank of the shoe being operated upon and for heightwise adjustment on the pad box, a slide supported for horizontal movement on the pad box base at the rear of the shank pad, a dilatable pad to support the rearward surface of the heel and the upper of a shoe on the shank pad, lluid transmitting means including ilexible pipe connected from the shank pad to the heel supporting pad to balance the forces ofthe shank and heel supporting pads, said tlui-d transmitting means including a fluid containing pad connected with the ilexible pipe and mounted beneath the carrier for the pad box to be compressed during operation of the main pressure applying means, in combination with a pivotal mounting for the pad box on the carrier to enable adjustment'of the angular position of the pad box and a hand releasable pawl and ratchet comprising a lock to prevent change of angular relationship between the pad box and the carrier on which the pad box is pivotally mounted during operation of the main pressure applying means.

`12. A machine for appling pressure to a high heel shoe bottom and simultaneously to the breast of a heel attached to a heel seat portion of the shoe bottom, said machine having a frame, a pad box, a base for the pad box in the frame, a mounting for the pad box in the base comprising a carrier suspended on the base to enable the pad box to move vertically relatively to the base, shoe engaging and holding devices in the frame opposite the pad box, main pressure applying means in the frame for bringing together the pad box base and the holding devices, a solid rubber pad in the pad box arranged to engage the forepart lof a shoe introduced into the machine and formed with a rearwardly extending tail projecting rearwardly beyond the pad box, a dilatable pad for engagement with the shank of the shoe and a cradle in which the dilatable shank pad is contained in combination with a mounting comprising a manually adjustable yoke pivotally mounted on the carrier by studs secured lto the yoke, one at either side of the cradle to hold the cradle in engagement with the tail of the forepart pad and to enable automatic adjustment of the cradle lengthwise of the shoe rearwardly toward the heel of the shoe during operation of the machine, the yoke also supporting the tail of the forepart pad to enable the upper pad to be maintained in contact with the cradle for the shank pad.

References Cited in the file of this patent UNITED STATES PATENTS 2,916,750 Ralphs et al. Dec. 15, 1959 FOREGN PATENTS 643,491 Germany Apr. 9, 1937 1,168,417 France Sept. l, 1958

Images