US1742280A - Machine for use in the manufacture of shoes - Google Patents

Description

Jan. 7, 1930. J. H. RICHARDSON ET AL 1,742,280

\ MACHINE FOR USE IN THE MANUFACTURE OF SHOES Original Fiied Nov. 28. 1922 2 Sheets-Sheet l Jan. 7, 1930. .1. H. mcHARDsoNt-fi' AL v 1,742,280

MACflIEE FOR USE IN THE MANUFACTURE? OF SHOES bri ina Filed Nov. 28. 1922 2 Sheets-Sheet 2 I160 90%A 1% M.

Patented a... 7, 1930 ETB STATES PTENT orrics ohn 11'. RICHARDSON, or WAKEFIELD, Ann ALBERT n. iru'nson, or trim, Massaonusn'rrs, assrenons '10 UNITED SHOE MACHINERY console-Arron, or ra'ranson, NEW JERSEY, A oonronnrron on NEW JERSEY MACHZINE FOR USE IN THE MANUFACTURE OF SHOES Original application filed November 28, 1922, Serial No. 803,821.

February 2, 1928.

This invention relates to machines for use in themanufacture of shoes, and 1s a division of our co-pending application Serial No. 603,821,-iiled November 28, 1922, the latter being a division of our co-pending application Serial No. 309,555, filed July 9, 1919.

1 One of the objects of this invention is to provide a machine both for relasting a' shoe and for shaping and molding the sole of the shoe. A further object is to provide a machine for settling a partially relasted shoe upon a last more effectively than can be accolgnplished by hand and with a saving of la 01'. v

In accordance with one (feature of the in vention, the illustrated machine comprises a device for operating upon a shoe, a support for a shoe upon which the latter may be rotated in a horizontal plane, the support itself being invertible, and a universally-swinging post carrying the support. In the illustrated machine two'devices are provided for operating upon a shoe, one of which comprises a means for forcing the forepart of a shoe upon a last, the other being a heating device for settling the shoe on the last or for 'shaping the sole of the shoe. The construction and arrangement of the shoe support permits the shoe readily to be moved from a position convenient for relasting the forepart to a position convenlent for completing the relasting operationand for shaping the sole; and; the

universally-swinging post permits the operator to move the shoe about so that all parts of the shoe bottom may be presentedto the action of abeating eleinent, not only more completely to settle the shoe on the last, but also to shape and mold various portions of the sole of the shoe as may be desired.

In accordance with another feature of the invention, the heating device provided in the illustrated machine comprises means for impartingpercussional impulses to a last, to-

gether with means for imparting percussional impulses to a shoe. on the last, the two means constituting a vibrating mechanism adapted to operate upon a last pin and a heating device adapted to operate upon the bottom of the shoe. A partially lasted shoe can Divided. and this application filed Serial No. 251,433.

very effectively be settled upon the last by the action of these two means.

In accordance with another feature, the machine includes, in combination, a last pin and means for imparting percussional impulses thereto to pound a last supported by the last pin. Themeans here mentioned is employed to facilitate the settling of a partially lasted shoe upon the last.

The above and other objects and features of the invention, including specific constructions and novel combinations of parts, will be apparent from the following description of one embodiment of our invention illustrated in the accompanying drawings, in which Fig. l is a side elevation of a relasting and leveling machine with parts of the machine in section and showing the last support in the position it occupies while the forward. part of the shoe is being pulled thereon;

Fig. 2 is a side elevation of the beater mechanism and the last support showing the lat ter in the position it occupies while the heel portion of the shoe is being pulled thereon;

Fig. 3 is a somewhat diagrammatic crosssection on the line 33 of Fig. 1 showing certain clutch controlling mechanism; and

Fig. i is a section on line 1-l in Fig. 2.

In the drawings denotes the main frame having a. forwardly and upwardly extending portion 12. To the base of the main frame there is pivoted for universal motion at 14:, 15

a post 16 to the top of which is hinged at 18 a last support 20 having a' slidable pin 22 mountedtherein to receive the last 2 1. As shown in Fig. 1, the hinge 18is perpendicular to the direction of the axis of the post 16, and the last support 20 may swing about the hinge 18 in a plane which includes the axis of the post 16. The post 16 has an abutment surface 19, the purpose of which is to engage a similar surface 21 on the last support 20 and to serve as a stop for the latter when the last support 20 is swung aboutthe pivot 18 to shoe-inverted position. In this position, the last support 20 forms, in effect, an extension of the post 16. Near the upperend of the the post 16 in fixed position while the forward portion of the shoe is being pulled on to the last there is provided a latch 28 provided with a pin having a tapered upper end 30 adapted to seat itself in a correspondingly shaped socket in arm 32 of the main. frame. A spring 34 tends to thrust pin 30 into its socket from which it may be withdrawn by suitable mechanism, which,'as exemplified in the drawings, consists of a pin 38 mounted in the lower end of the latch member and adapted to withdraw the same upon the operation of treadle 36. Pivoted to this treadle is a hook member 42 adapted to engage a pin 44; mounted in the main frame to hold the latch in its disengaged position. The upper end of this hook'may be enlarged to provide a surface adapted to be engaged by the toe of the operator to release the hook whereupon the treadle may be raised and the latch member 30 seated.

Turning now to the means for seating the last in the forward portion of the shoe, there is provided a support for the sole at the toe of the shoe carrying two blocks 52 of rubber or other suitable material to engage and grip the sides of the toe portion of the shoe. This support 50 is pivoted at 54 to a rod 56 yieldingly held by spring 58 in a sleeve 60 at the lower end of which is formed a yoke 62 pivotally mounted on-the main drive shaft 100. A roll 64 is provided at the lower end of rod 56 and is held by spring 58 against a cam 66 so that upon rotation of the cam by means presently to be described thesupport 50 will be rapidly vibrated.

-Pivoted to'the sleeve 60 is an extensible link 67 provided with a compression spring 68 to yieldingly connect the toe support 50 with a gripper 70 pivoted to the main frame at 72 and provided with jaws 74 and 76 adapted to grip the heel portion of the sole of the shoe. Pivoted to the base of the main frame of the machine at 78 is a treadle 80 made in the form of a bell-crank lever and pivoted at its upper portion 82 to a link 86, the latter being pivoted at 88 to one end of a U-shaped lever 90 pivoted at 92 to the main frame. The U-shaped lever 90 is pivoted at 95 to one end of a link 94 the other end of which is pivoted to the downwardly extending end of the pivoted jaw 76 of the gripper. The treadle 80 is normally held in its raised'or inoperative position by means of a spring 96 connectin it with the main frame.

While the machine is at rest the support for the forepart of the shoe and the grippers occupy substantially the position indicated in dotted lines in Fig. 1. A last having been placed on the pin 22, and occupying the position indicated in Fig. 1, the shoe is placed with the forepart of its sole on the toe sup port and the rear portion of the sole between the jaws, of the gripper. The depression of treadle 80 operates first to close the jaws of the gripper upon the sole of the shoe and then to swing the gripper downwardly and to the right, as viewed in Fig. 1. This downward swinging movement is transmitted by link 67 to the toe support, the two co-operating to pull the shoe on to the last. The movement of the yoke 62 of the toe support about shaft 100 operates as will now be described,

to throw in clutch mechanism which causes cam 66 to vibrate the forward portion of the shoe to settle the same on the last.

Mounted on the main drive shaft 100 is a belt pulley 102 about which passes a belt 104i driven from any suitable source of power. Connected to shaft 100 is a pulley having grooves to receive belts 106 and 108 which drive other operating parts of the machine presently to be described. On the depending portion of one of the arms of the yoke 62 (see Fig. 3) is an inclined or wedge surface 112 adapted upon the swinging of sleeve 60 to co-operate with a corresponding wedge surface 11 1 formed on a sleeve 116 rigidly mounted on pin 118. This pin 118 is mounted for longitudinal movement in the main frame and is moved in the direction of wedge surface 112 by a compression spring 120. The yoke 121 formed on the sleeve 116 operates to con trol a clutch member 122 to move the same towards and away from a co-operating clutch member 124-. formed integral with the cam 66. It will thus be seen that the movement of the toe support from dotted to solid line positions in Fig. 1 will operate to permit the sleeve 116 to be slid to the left as viewed in Fig. 3 un der the action of the spring to throw the clutch 122, 124 into operation and consequently to vibrate the rod 56 and the toe support.

After the last has been inserted in the forepart of the shoe the last support is swung upwardly by the operator about pivot 18 to invert the same and the last is then rotated in a horizontal plane through 180 to position it as indicated in Fig. 2.

Pivoted to the base of the main frame of the machine is a third treadle 1.30 to which is connected a rod 132. Supported at the upper end of this rod is a shoe horn comprising a pair of co-operating jaws 134 and 136 for gripping and pulling the shoe downwardly on to the last. The gripping portion of jaw 134, as indicated, is of more or less conventional shoe horn shape and is adapted to be inserted inside of the shoe and to be pulled down between the upper and the last. Jaw 1 136, which may be a block of rubber or other suitable material, is pivoted to the bell-crank lever 138 which latter is pivoted at 1&0 to the extremity of a handle porion 14:2 of the shoe horn. The other arm of the bell-crank lever 138 is pivoted to the extremity of the rod 132 which latter passes through an opening in an extension of the lower end of the shoe horn. Rigid with the post 16 is an outstandi operation of a clutch mounted on the shaft in-g arm 144 provided with an elongated slot.

' which ismounted clutch mechanism similar in all its essential,characteristics. to that of Fig. 8, and adapted to be thrown into and out of operation by the movement of an arm 152 through which passes rod 132, the arm 152 being moved into and out of clutch engaging positions by means of collars 154 and 156 rigidly but adjustably mounted on the rod 132. A downwardly extending portion of the arm 152 carries. a wedge surface, a movement of which towards and from operative position controls the operation of a cam 158 in the manner explained in connection with Fig. 8. Engaging the cam 158 is a roll 160 mounted on a downwardly extending yoke portion 162 of a rod 164, this latter beating head 188 connected by a ball and A spring .192 connected to the rod 184 and the sleeve being mounted for longitudinal vibrating movementin the post 16. To holdthe roll 160 in engagement with the cam 158 there is provided a spring 17 0 connected at one end to an eye 171 formed on the yoke 162and at its r other end to the post 16 at 172. The upper end of the rod 164 contacts with the lower end of the pin 22, when in the position indicated in Fig. 2, to vibrate the ransverse to the planeof the sole thereof to assist'insettling theshoe on the last as the heel portionof the'upper is drawn into position by. the shoe horn.

To assist in settling the shoe-on the last and to shape the sole thereto there is provided a beater which may be thrown into and out of operation by means of a handle 180 pivoted upon a shaft 197 which is journaled in the upper portion of the main frame and is driven by means of the belt 108. The handle 180 is adapted to be locked in operative position by means of a sliding pin 1 82. controlled i by a pivoted lever 183, held in operative position by a spring 185, as clearly shown in Fig. 2. This beater comprises a rod 184 shdably mounted in a carrier on sleeve 186 and having socket joint 190 to its lower end.

186 of the beater normally tends to hold the heater in its lowermost position relativcly to the sleeve 186. Clutch mechanism similar to that of Fig. 3 is provided for controlling the operation of the beater so that the same will he vibrated when moved into the position of a; Fig. 2, but will come to rest when the handle 180 is elevated by a suitable spring 207, as in dicated in Fig. 1. For this purpose the bandle 180 is provided with a wedge surface 194 co operating with a wedge surface 196 of a clutch shifting yoke, the two controlling the ating with a roll 202for reciprocating the other end, as at beater.

last in a direction inserted in the forepart of the x of the shoe which has now shown in dotted lines in Figs. 1 and 2 and in cross-section in Fig. 4 pivoted at one end to the handle 180 at 181 and pivoted at the link 206.

The upper end of the link 206 is pivotally connected to the stem 184 of the The sleeve 186 of tie beater is pivoted at 208 to projection 210 of the handle 180 and also pivoted at its upper end to a link 212 connecting it with the forward. por tion of the main frame of the machine. It will thus be seen that the rotation of cam 200 will rock the lever 204 about its fulcrum 181 and will thus reciprocate the link 206 and through it the beater.

In order to tension the belt 106 to the de sired extent irrespective of the position of the post 16 a suitable belt tighteuer, indicated at 214, is provided.

I While it is believed that the mode of operation of the machine will be clear from the above description it may, for purposes/of convenience. he recapitulated as follows:

A last having been placed on pin 22 and the same moved to the position of F igl, the torepart of the shoe is placed thereover so far convenient by hand. At this time the toe support and the grippers for the heel portion of the sole occupy substantially the positions shown in. dotted lines in Fig. 1. The operator thereupon pressesdownwardly upon treadle 80 which first closes the jaws of the gripper 70 upon. the heel portion of the sole of the shoe and thereafter moves the gripper and the toe support rearwardly and downwardly to the full line position of Fig. 1, thus seating the last in the forepart of the shoe. As the support 50 is thus moved, cam 66 is operated to vibrate the toe support and the shoe to settle the last in the shoe. Treadle 80 is now released whereupon spring 96 moves the gripper 70 and the toe support- 50 back to the dotted line position of 1, leaving the last shoe. Handle 180 and the beater being in theirelevated or inoperative position, the last is now swung forwardly and rotated horizontally to the position of Fig. 2. The shoe horn is now manipulated manually by means of handle 142 to grip therear portion of the upper to be pulled down into place. By means of treadle 130 the operator pulls the rear portion of the upper held by the shoe horn down into place and at the same time the last is vibrated. through rod 164, cam 158 and their actuating mechanism. During these operations post 16 is, of course, rigidly held in position by its latch mechanism. When the last is nearly or completelyinserted in the shoe the operator pulls down on handle 180 latching the same in the position of Fig. 2, whereupon beater 188 is vibrated to settle the shoe on the last. At this stage of the operation by pressing downward beater. The roll 202 is mounted on a link 204 205, to the lower end of the on treadle 36 the operator releases the latch of the post 16 and thereafter moves the post from one position to another in order that the.

beater may shape and mold various portions of the sole of the shoe as may be necessary. Handle 142 of the shoe horn at this stage of the operation forms a convenient means by which the operator may swing the post from 7 on a shoe, an invertible support for the shoe which is rotatable thereon in a horizontal plane, and a universally-swinging post carrying the support.

2. A machine of the class described comprising, in combination, a universally-swinging post, a last support pivotally mounted on said post to permit inversion of the support,

and a pair ofstops carried by said post to limit the swinging movement, in either direction, of a last mounted on said support.

3. A machine of the class described comprising, in combination, a universally-swinging post, a last support carried by said post, and means for gripping a shoe on a last on said last support, said gripping means having a handle whereby the operator may swing said post from one position to another.

4. A machine of the class described comprising, in combination, a universally-swinging post, a last support pivotally mounted on said post to permit inversion of the support, and'arranged to permit reversal of a last on the support.

5. A machine of the class described comprising, in combination, a universally-swinging upstanding post, a last support pivotally mounted on said post, and a pair of stops carried by said post to limit the swinging movement, in either direction, of a last mounted on said support.

6. A machine of: the class described comprising, in combination, a universally-swinging post and a last support pivotally mounted on said post to permit inversion of the support, and arranged to permit reversal of a last on the support, together With an arm on said post to engage the heel end of a last on the support when in inverted position.

7. A machine of the class described comprising, in combination, means to impart percussional impulses to a last, and means to impart percussional impulses to a shoe on the last.

8. A machine of the class described comprising, in combination, a support for a last, means to impart percussional impulses to a last on the support, and means to impart percussional impulses to a shoe on the last.

9. A machine of the class described comprising, in combination, members engaging a last and a shoe on the last, and means simultaneously to operate said members to beat the shoe and the last.

10. A machine of the class described comprising, in combination, a last pin, and means to impart percussional impulses thereto to pound a last supported thereby.

11. A machine of the class described comprising, in combination, a pin to seat in the thimble hole of a last to support the last, and cam-operated mechanism to vibrate the last pin to impart percussional impulses to a last supported thereby.

12. A machine of the class described comprising, in combination, an invertible support, a last pin slidably mounted therein, a post carrying the, support, and a cam-reciprocated plunger in the post arranged to engage and vibrate the last pin in one position of the support.

13. A machine of the class described comprising, in combination, a movable last-andshoe support, a device slidably mounted therein, a post carrying the support, and a cam-reciprocated plunger in the post arranged to engage and vibrate said device in one position of the support to pound the last and shoe. 14. A machine of the class described comprising, in combination, a movable support, a cam mounted on the support, a beater carried by the support and arranged to be operated by the cam, and power-operated connections to drive the cam in any position of the support.

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

JOHN H. RICHARDSON. ALBERT E. HUDSON.

Images