US3076209A

US3076209A - Toe lasting machines

Info

Publication number: US3076209A
Application number: US111241A
Authority: US
Inventors: Andrew J Gilbride
Original assignee: United Shoe Machinery Corp
Current assignee: United Shoe Machinery Corp
Priority date: 1961-05-19
Filing date: 1961-05-19
Publication date: 1963-02-05
Anticipated expiration: 1980-02-05
Also published as: GB1007775A

Description

Feb. 5,` 1963 A. J. GILBRIDE TOE LASTING MACHINES 8 Sheets-Sheet 1 Filed May 19. 1961 Feb. 5, 1963v A. J. GILBRIDE 3,076,209

'roE LAsTING MACHINES Filed May 19, 1961 8 Sheets-Sheet 2 Feb. 5, 1963 A. J. GILBRIDE TOE LASTING MACHINES 8 Sheets-Sheet 3 Filed May 19, 1961 Feb. 5, 1963 A. J. GILBRIDE 3,076,209

TOE LASTING MACHINES Filed May 19, 1961 8 Sheets-Sheet 4 Feb. 5, 1963 A', J. GILBRIDE 3,076,209

TOE LASTING MACHINES Filed May 19, 1961 8 sheets-sheet 5 Z/Z I7\- 2g 7C, Ja' J M5 if) /'f MZ 152 @.9 152 264A ,im

A. J. GILBRIDE `TOE LASTING MACHINES Feb. 5, 1963 8 Sheets-Sheet 6 Filed May 19, 1961 Feb. 5, 1963 A. J. GILBRIDE TOE LASTING MACHINES Filed May 19. 1961 8 Sheets-Sheet 7 Feb. 5, 1963 A. J. GILBRIDE TOE LASTING MACHINES 8 Sheets-Sheet 8 Filed May 19, 1961 SDN@ @Qms NWN o o mi Q www .o sw F .f ,NN wb? @mi u@ @NT wm, Y `AY.. n* N@ 5mm QN NSWMQ @QW 6% Ql/QN QQ im @Nmm wm. zi. N @n wi w United States Patent O 3,076,209 TOE LASTING MACHINES Andrew J. Gilbride, Swampscott, Mass., assignor to United ShoeMaehinery Corporation, Flemington, N J a corporation of New Jersey Filed May 19, 1961, Ser. No. 111,241 20 Claims. (Cl. 12-8.3)

This invention relates to machines for lasting the toe ends of shoes and more particularly to toe lasting machines of the type wherein the upper materials are shaped around the toe end of a last as a result of relative heightwise movement between the shoe on a support and upper shaping means and are stretched about the last by a' pull exerted thereon by a member arranged to engage the upper materials during such relative heightwise movement. Following the shaping and stretching of the upper materials around the toe end of the last, the lasting margin of the upper materials is wiped inwardly over and pressed against the bottom of the insole at the toe end of the shoe by toe wipers thus to complete the toe lasting operation by securing the lasting margin of the upper materials to the insole in lasted position usually by means of a suitable adhesive.

Although machines of the above-mentioned type have proved to be generally satisfactory in operation and are quite widely used in the trade, as previously constructed they impose certain limitations and inconvenience from the standpoint of wholly etcient and versatile operation. Thus, where the lasting margin is to be secured in lasted position by means of adhesive, it is usually necessary to apply this adhesive to the upper and/or insole before the shoe is presented to the machine, and thereafter the shoes thus treated must be lasted at a rather denite time when the previously applied adhesive has dried to the desired tacky condition. Also, the use of improved adhesives of the thermoplastic and/or thermosetting type is obviously prohibited. In addition, in the .machines of this type as heretofore proposed no opportunity is afforded during the lasting operation for the operator to perform any hand operations on the shoe such, for example, as the trimming out of the box toe and lining at the toe end of the shoe or hand pincering ofthe upper, following the upper shaping operation but prior to the wiping of the lasting margin inwardly over the toe end of the insole. It is, therefore, a principal object of this invention to provide a novel and improved toe lasting machine of the aforementioned type wherein these various limitations are removed and attendant inconveniences avoided.

With the foregoing object in View, the herein illustrated machine, which has a support for a shoe on its last and upper shaping means arranged for relative heightwise movement to effect the shaping of the upper materials around the toe end of the last, together with means for elfecting such relative heightwise movement, and a member for engaging the upper materials to cause a pull to be exerted on the upper materials tending to stretch them about the last, is provided with means for supporting the aforementioned cooperating member mounted for movement from an inoperative position to an operative position, together with means for moving and holding this supporting means in operative position during the relative heightwise movement between the shoe support and the upper shaping means, and means for moving the supporting means to its inoperative position at the conclusion of such relative heightwise movement, thereby to retract the aforementioned member from the upper materials and the toe end of the shoe. Thus, prior to the operation of separately controlled toe wipers, the operator is afforded access to the toe end of the shoe and also to the lasting margin of the upper materials for the purpose of performice s ing any of the above-mentioned hand operations including, of course, the application of a suitable adhesive to the upper and/or insole. Preferably, and as herein illustrated, the control means for the wiper operating means is also adapted to eiect a return of the supporting means to operative position so that the mentioned cooperating member may be eitective for controlling the lasting margin of the upper materials as it is wiped inwardly over the insole by the wipers.

More particularly, in the herein illustrated machine, fluid pressure operated means are provided for effecting the relative heightwise movement between the shoe support and a toe band, which serves as the upper shaping means, and also for advancing and closing the wipers, together with separate manually operable control means for each of these iiuid pressure operated means, while a retarder for cooperating with the toe band and a .holddown for engaging the insole are associated with the above'- mentioned supporting means which is movable to and heldin operative position by fluid pressure operated means and is moved to its inoperative position by spring means. The last-mentioned uid pressure means is connected to exhaust at the conclusion of the relative heightwise movement between the support and the toe band to cause the spring means to move the supporting means to its inoperative Vposition and the manually operable means for controlling the fluid pressure operated means for advancing vand closing the lwipers is also adapted to render the lluid presure operated means associated with the supporting means operable to return the supporting means to operative position so that the retarder is effective to control the lasting margin of the upper materials as the lasting margin is wiped inwardly over the toe end of the insole by the wipers.

Another object of the invention is to improve the action of the wipers in pressing the lasting margin of the upper materials against the insole of the shoe being lasted as the wipers are advanced and closed to wipe the lasting margin inwardly over the insole. With this object in View, in the herein illustrated machine fluid pressure operated means are provided for effecting relative movement between the wiper head and a shoe support in a direction to cause the wipers to press the upper materials against the insole, together with means operable in response to the advancing and closing movements of the l wipers for controlling the pressure of operating fluid supof the machine which is shown in FIG. 3; Y

plied to the luid pressure operated means, thereby to vary the force exerted on the lasting margin of the upper materials by the wipers as the wipers are advanced and closed. More particularly, a pressure regulating valve having a displaceable member for controlling the pressurel of the operating fluid is provided, together with a cam movable in response to the advancing and closing movements of the wipers for displacing the aforementioned displaceable member thus to vary the force exerted by the wipers on the lasting margin as the wipers are advanced and closed.

The above and other objects and features of the invention Will appear in the following detailed description of the preferred embodiment thereof Villustrated in the accompanying drawings, and will be pointed out in the claims.

=In the drawings,

FIG. l is a view in perspective of a toe lasting machine embodying the features of this invention;

FIG. 2 is a plan view of the machine shown in FIG. l;

FIG. 3 is a view in side elevation of the upper portion of the machine; y

FIG. 4 is a view in side elevation, at an enlarged scale and with certain features in vertical section, of a portion FIG. 5 is a view in horizontal section substantially on line V`V of FIG. 4 and looking in the direction of the arrows;

Y FIG. 6 is a view in elevation of the upper part of that portion of the machine shown in FIG. 4 as viewed from the left-hand side thereof;

FIG. 7 is a view in elevation of another part of that portion vof the machine shown in FIG. 4 as viewed from the right-hand side thereof;

FIG. 8 is a plan view at an enlarged scale looking from below of that part of the machine shown in FIG. 7;

FIGS. 9, 10 and 11 are, respectively, views in side elevation, frontelevation, and plan of a shoe rest forming a part of the machine;

FIG. 12 is a view in side elevation of a portion of the machine showing especially the toe rest and a toe pad, together with associated operating elements;

FIG. 13 is a view in end elevation of the parts shown in F-IG. 12 as viewed from the left-hand side of that iigure;

FIGS. 14, 15 and 16,are step views showing the operating elements in different positions assumed during the Voperation of the machine;

FIG. 17' is adetailed view, partly in vertical section, of a portion of the machine, and

FIG. 18 is a schematic 'drawing of the iluid pressure operating system and also showing various operating elements more or less diagrammatically.

Referring to these drawings, the operating elements of the machine, which are shown as a whole in FIG. 1, include a pair of

wipers

20, 20, FIG. 2, a toe band 22, a retarder 24, and an insole holddown 26, FIGS. 4, 12, 14-16. Duringthe operation of the machine, the shoe S being lasted, herein illustrated as comprising upper materials, indicated generally by the reference .character U, assembled on a last L, together with an insole I, is clamped against a shoe rest 30 by a toe pad 32, and is held against heelward movement by means of a heel band 34, FIGS. 2 and 3. These operating elements and shoe supporting parts are mounted on a fabricated frame construction, indicated generally by the reference character 40, and herein referred to as the frame, with which the several operating cylinders and pistons, control valves, pressure gages, and other components of the luid pressure operating system are associated.

The wipers 2i), 20 are mounted in a wiper head 50 which contains the usual wiper actuating cams, not shown, which are operated by means of a rod 52, FIG. 3. As in toe lasting machines of this general type, the wiper head is mounted for angular adjusting movements about a horizontal and longitudinally extendingaxis on a table 54 which, in turn, is pivotally mounted on the frame 40', by means of

trunnions

56, 56, FIG. 2, for swinging movements about a horizontal and transversely extending axis. Also carried on the table54 is a cylinder 58 in which there is a piston 60, FIG. 18, which is connected to the wiper operating rod 52. When fluid under pressure is admitted to this cylinder through a conduit r61, the piston 60.will be moved to the right, against the resistance of a return spring 63, thereby advancing and closing the

wipers

20, 20. At its free end, the table 54 is connected to the rod 62 of an operating piston 64, FIG. 18, in the manner more particularly shown in FIG. 17. Referring to that iigure, a pin 68, carried by the table 54, extends through a pair of slots formed in a sleeve member 70 which is threaded onto the piston rod 62, only one of these slots appearing in FIG. 17, and there identified by the reference character 72. This sleeve member is provided with an axial bore 74 in which there is slidably received a plunger 76, urged yieldingly against the pin 68 by means of a compression spring 78. As will be apparent, when the piston 64, which is operable within a cylinder 80 mounted on the frame 40, FIGS. 1 and 3, is actuated, as a;result ofthe admission of iluid under pressure to cylinder 80 through` a.conduit.82, ,to swingV the table` 54 upwardly, counterclockwise as viewed in FIG. 3, the pin 68 will be engaged by the lower ends of the slots 72, thus to provide a positive action of the piston on the table. On the other hand, however, when the piston 64 is actuated, as a result of the admission of fluid under pressure to the opposite end of the cylinder through a conduit 84, to swing the table 54 downwardly, clockwise as viewed in FIG. 3, a yielding action will be obtained until the upper ends of the slots 72 engage the pin 68.

The toe band, which is indicated generally by the reference character 22, comprises a piece of non-metallic material having a low coefficient of friction and of substantially triangular cross section secured to a U-shaped strip of resilient metal 92, FIG. 4. This toe band is supported and operated by mechanism which is substantially the same as that disclosed in a copending and allowed United States application, Serial No. 859,485, tiled on December 14, 1959, now Patent No. 2,986,753, granted June 6, 19611, in the name of the present inventor, and to which reference may be made for specic details of construction not herein described. Accordingly, this toe band is supported at its outer ends by means of a pair of

links

94, 94, FIGS. 2 and 18, which are connected to an equalizing lever 96 carried on an operating lever 98 .which is pivotally mounted on the wiper'head 5G. The band is also supported, at its toe end, on a block 100 guided for movement on the -wiper head 50 to the right as viewed in FIG. 4, and toward the toe end of the shoe being lasted to the extent determined by a suitable stop, not shown, but which may correspond to the stop arrangement providedin the machine of the mentioned application.

As is shown in FIG. 2, at their outer ends the

links

94, 94 are provided with angularly disposed slots 110 which are adapted to cooperate with pins 112 to cause the band to close around thetoe endof the shoe as it is moved to the right, FIG. 4, in response to a counterclockwise swinging movement of the lever 98, FIG. 18, which is imparted thereto by means of a piston 116 mounted in a cylinder 118, see also FIG. 2, when fluid under pressure is admitted to this cylinder through a conduit 1119. Pivotally mounted on the aforementioned block 100 are a pair of bell-crank

levers

120, 122, FIG. 4, having pressure pads for engaging the opposite sides of the toe band adjacent to its toe` end, FIG. 18, and adapted to be actuated by an oppositely moving` cylinder 124 and piston 126, when fluid under pressure'is admitted to cylinder 124 through a conduit 125, inthe same manner as in the arrangement shown in the mentioned application.

The retarder, which is indicated generally by the reference character 24, comprises two similar and arcuately shaped blades 150, each secured with` a capability of angular adjustment about their common meeting point x by means of clamp screws 152, 152 and

Slots

154, 154, FIG. 8, to the lower side of a block 156, FIGS. 4 and 7. This block is mounted on a supporting arm by means of upper and lower

parallel links

162, 164, see especially FIG. 4, the arm 160 being pivotally mounted by means of a cross shaft 166 on a bracket 168 which is fastened to the upper side of the wiper head 59. The arm 160 comprises two parallel vertically extending portions, FIG. 5, which are joined together at their upper ends by a transversely extending cross plate 170 on which there are mounted two

cylinders

172, 174, FIG. 6, and see also FIG. 18. Connected to the arm 160 adjacent to the cross plate 170 is the piston rod 180 of a piston 182, FIG. 18, which is received within a cylinder 184, FIG. 3. When lluid under pressure is admitted to the cylinder 184, through a conduitlS, the Varm 160 will be held in the position in which it is shown against the resistance of a tension spring 188.

Formed integrally with the link 162 is an arm 190 which extends upwardly in alinement with an adjustable stop screw 192 and the end of the rod194 of a piston 196in thecylinder 172, FIG. 3. lA coil spring 198 holds amazonl 5. the arn 190 against the stop screw 192 with the block 156 and retarder 24 in the positions shown in FIG. 4 when the lcylinder 172 is connected to exhaust through a conduit 200, see also FIG. 18.

The insole holddown, which is indicated generally by the reference character 26, comprises a strip of metal bent into an arcuate shape and secured to the lower end of an L-shaped lever 210. This lever is pivotally mounted on the lower end ot a slide 212 by means of a pin 214, FIG. 4, and has an upper arm 216 which is held yieldingly against a stop pin 217 by a compression spring 218. The slide 212 is received within a guideway 230 formed in the block 156, FIG. 5, and has connected to its upper end one arm 232 of a bell-crank lever 234. The other arm 236 of this bell-crank lever is held yieldingly, by means of a spring 238, against the end of the rod 240 of a piston 242 which is received within the cylinder 174, FIG. 4, mentioned above, and which is connected also to the conduit 200. When luid under pressure is admitted to the conduit 200 and thence to

cylinders

172, 174, in a manner to be described below, the retarder 24 and the insole holddown 26 will be moved from the positions in which they are shown in FIG. 4, to the positions shown in FIG. 14.

The shoe rest 30, which is generally triangular in shape, see FIG. ll, and provided on its lower surface with

serrated bosses

250, 250, is formed integrally with an arm 252 which is pinned to a shaft 254, FIGS. 2 and 10. This shaft has a portion of reduced diameter 256 which is journaled in, and projects through, a transverse bore 258 formed in one end of a second shaft 260, see also FIG. 9. The shaft 260 is journaled in a bearing bore 262 formed in a bracket 264 which is secured to the machineY frame 40. Pinned to the end of the shaft 254 which projects through the bore 258 is an arm 266 through which there is threaded an adjusting screw 268 provided with a hand knob 270. Similarly, there is pinned to the other end of the shaft 260 an arm 272 through which there is threaded an adjusting screw 273 provided with a hand knob 274, FIG. l0. Coil springs 276 and 278, respectively, serve to hold the ends of the aforementioned adjusting screws against cooperating abutment surfaces, as shown in FIGS. 9 and 10. lAs will be apparent, by appropriate use of the adjusting

screws

268 and 273, the position of the shoe rest 30 may be varied to accommodate different operating conditions.

The toe pad 32 is mounted on the upper end of a post 280 which is slidably received within a bore 282 formed in a guide block 284 mounted on the front portion of the machine frame 40, FIG. l2. Secured to the lower end of this post is a piston rod 286 which extends upwardly from a piston 288 which is received within a cylinder 290 mounted on a plate 291, formed integrally with the aforementioned block 284, by means of asheet metal bracket 293. When iiuid underpressure is admitted to this cylin der, through a conduit 292, see also FIG. 18, the toe pad will be elevated as shown in FIG. 12 to clamp the toe end of a shoe against the shoe rest 30.

The toe pad is locked in shoe clamping position, thus to provide an unyielding support for the shoe during the operation of the

wipers

20, 20 to apply pressure on the overwiped lasting margin of the upper materials, in the following manner. Cut in the lower portion of the post 280 are a series of rack teeth 296, and meshing with these teeth is a toothed quadrant 298, FIG. 13. This quadrant is pinned to a short shaft 300 which is journaled in and projects rearwardly of the block 284. Secured to the rearward projecting portion of the shaft 300 is a second quadrant 302 having on its outer arcuate surface a series of ratchet teeth 304. Pivotally mounted, by means of a shaft 306, on a block 308 secured to the plate 291, is a pawl 310. A coil spring 312 connected to this pawl is adapted to withdraw the pawl from engagement with the teeth 304 when iluid under pressure is exhausted from the lower end of a cylinder 314, in which there is a piston 6 316 having a piston rod 31S in alinement with this pawl, through a conduit 320. On the other hand, as will be apparent, when fluid under pressure is admitted to this cylinder, the pawl 310 will be moved to the locking position in which it is shown in FIG. 13.

The heel band 34, which is of conventional construction, is supported at its opposite ends on

arms

330, 330 which are adjustably connected to a pair of operating

rods

332, 332 in the usual manner. These rods are slidably mounted in suitable guideways associated with the machine frame 4t? and are connected together at their inner ends by means of a channel-shaped crosspiece 336, FIG. 3. Slidably received within alined holes in iianges associated with this crosspiece is the end portion 338 of a piston rod 340` which is of reduced diameter to form a` shoulder 342, and threaded on the extreme end of this` piston rod are a pair of nuts 344. This piston rod extends forwardly from a piston 346, received within a cylinder 348, see also FIG. 18, which cylinder is mounted on a bracket 350 carried on the machine frame 40, FIG. 3. When lluid under pressure is admitted to one end of this cylinder through a conduit 352, the

rods

332, 332 will be moved to the left, FIG. 3, and the heel band 34 will be brought into engagement with the heel end of a shoe On the other hand, when fluid underk conduit 352, the

rods

332, 332 will be moved to the right` thereby withdrawing the heel band from the shoe.

To hold the heel band immovably in shoe engaging position during the operation of the

wipers

20, 20, a pawl 360 is pivotally mounted on a block 362 carried by the crosspiece 336, this pawl having a bifurcated arrn 364 which straddles the reduced end portion 338 of the piston rod 340. A leaf spring 366 is arranged to swing the pawl in a clockwise direction and into engagement with ratchet teeth 368 formed on a plate 370 mounted on the machine frame 40 when the piston 346 and rod 340 are moved to the left, FIG. 3. On the other hand, when this pistonv with the ratchet teeth 368, thereby freeing the rods 332,.r 332 for movement to the right to withdraw the heel band from engagement with the shoe.

Referring to FIG. 18, the flow of fluid under pressure from a main supply line 400, which is connected to a. source of fluid under pressure, e.g., compressed air, not; shown, to the several cylinders mentioned above, as welt as the exhaust from these cylinders, are controlled by four operator-actuated

valves

402, 404, 406 and 408 which are of conventional construction and diagrammatically illustrated in this figure. The valve 402, which is arranged to be shifted back and forth between two positions in response to successive actuations of a knee pad 410, FIG. 1, connects the conduit 354, mentioned above, and a conduit 412, to the rnain supply line 400 when it is in. the position shown in FIG. 18, and connects the men-- tioned conduits to exhaust and

conduits

414, 416 and 418-' to the main supply line 400 when in its other postion.. Referring again to FIG. l, the knee pad 410 is operatively connected to a pawl 420 arranged to actuate a valve operating cam 422 in step-by-step rotary movements, which movements serve to shift the valve between its two positions. The conduit 292 which leads to the toeA pad operating cylinder 290, is connected directly to the conduit 414, while the conduit 352, which leads to one end of the cylinder 348, is connected to the conduit 414 through a suitable flow-control valve 424 and one-way check valve 426. A similar tlow control valve 42S and check valve 430 are associated with the conduit 354. The conduit 320, which leads to the pawl operating cylinder 314, FIG. 13, is connected to the conduit 414 through a sequence valve 432.

With the arrangement so far described, when the valve 402 is inthe position shown in FIG. 18, the toe pad 32 will be lowered, as shown in FIG. 4, and the heel band 34 will be retracted away from the shoe S. Upon operation of the knee pad 410 to shift the Valve 402 to its other position, the toe pad will be elevated by the piston 288 to clamp lthe toe end of the shoe against the shoe rest 30, as shown in FIGS. 12 and 14 to 16, and the heel band 34 will be moved into engagement with the heel end of the shoe by the piston 346, as shown in FIG. 18, and will be locked in this position by the pawl 360, FG. 3. Now, as pressure builds up in the conduit 414, the sequence valve 432 will open and admit fluid under pressure to the conduit 320, thereby causing the piston 316 to actuate the pawl 310 and lock the toe pad in shoe clamping position. At this time, as will presently appear, iluid under pressure is admitted to the cylinder 184 and will have been exhausted from

cylinders

172 and 174 so that the arm 160, block 156 and retarder 24, and slide 212 and the holddown 26, will be held in the positions in which they lare shown in FIG. 4. Thus, the toe end of the shoe, as it is presented to the machine, may -be brought into engagement with the retarder, see FIG. 4, and located in a lengthwise direction in the machine before it is clamped against the shoe rest, FIG. l2.

The valve 404, which is of conventional construction and diagrammatically illustrated in FIG. 18, is adapted to khe moved, by the depression of a hand lever 434, FIG.

2, from the intermediate position shown in FIG. 18, to,

an operative position in which two

conduits

436 and 438 are connected to the main supply line 480, and by the lifting of this hand lever to another position in which these conduits are connected to exhaust. The conduit 280, which leads to the two

cylinders

172, 174, associated, respectively, with the retarder 24 and the insole holddown 26, is connected to the conduit 436 through a pressure regulator valve 440.

Conduits

119 and 125 which lead, respectively, to the toe

band operating cylinders

118 and 124, are connected to the conduit 436` through pressure regulator valves 442 and 444, while the conduit 82 which leads to the lower end of the cylinder 80, see FIG. 3, is connected to the conduit 436 through a so-called direction valve 446, a pressure regulator valve 448 and a sequence valve 450.

' When the valve 404 is thus moved to its operative position, uid under pressure is admitted to the

cylinders

172, 174, 118 and 124 through the mentioned pressure regulator valves. Accordingly, toe band 22 will be moved by piston 114 and by cylinder 124 and piston 126 from a retracted position, see FIG. 4, to a projected and operative position, FIG. 14, determined by suitable stops, not shown, as in the toe band operating mechanism described in the above-mentioned application, while the retarder 24 and insole holddown 26 will be moved to their operative positions as is also shown in FIG. 14. Thus the retarder 24 will clamp the kupper materials U yieldingly against the top of the toe band, while the holddown 26 will bear against the insole l in a location adjacent to the extreme toe end of the shoe, FIG. 14. As pressure now builds up in the conduit 436 to a value suicient to open the sequence valve 450, uid under pressure will then be admitted to the conduit 82 and, inasmuch as the directionl valve 446 will be opened by pressure in the conduit 82, fluid under pressure will flow through this valve, valve 448 and conduit 82 to the lower portion of the cylinder 80. The piston 64 will now be moved upwardly to an extent determined by a stop abutment 452 associated with the cylinder, see FIG. 3, thereby causing the table 54 to swing in a counterclockwise direction, so that the toe band 22 will wipe the upper materials heightwise around the toe end of the last, this swinging movement ofthe table being arrested just as the

wipers

20, 20 reach the plane of the insole with the upper materials clamped around the toe end of the last by the toe band 22 as shown in FIG. 15. During this upwping action, the retarder engages the upper materials so that a pull is exerted on the upper materials tending to stretch them about the last.

The conduit 186 which leads to the cylinder 184 through a flow control valve 545 and a check valve 456 is Vconnected to the main supply line 400 through another so-called direction valve 460, a pilot-operated dump valve 462 and the valve 408, mentioned above. A mechanically operated valve 466 is interposed in a conduit 464 which leads from the pilot-operated dump valve 462 to the main supply line 400, and this mechanically operated valve is arranged to be actuated by the table 54 at the end of its upward movement, as diagrammatically illustrated in FIG. 18. When this occurs, the dump valve 462 will be actuated to disconnect the conduit 186 from the valve 408 and to connect this conduit, and thus the cylinder 184 to exhaust through the direction valve 46.0 and dump valve 462. The spring 188, FIG. 3, will now` swing the supporting arm 160 in a counterclockwise direction, FIG. 4, and. elevate the` retarder 24 and insole holddown 26 to the retracted positions in which these parts are shown in dotted lines in FIG. 15.

The operator is thus afforded an opportunity, while the upper materials are held by the toeband, to perform whatever operations on the upper materials orshoe as may be appropriate, such, vfor example, as trimming 4out Ithe innermost layers of the upper materials around the toe endof the shoe and/ or applying a suitable adhesive around the toecnd of theinsole. Also, he mayuse hand pincers to impart additional tensioning or positioning pulls on the upper materials. Having done these things, he will now move the valve 406, which is similar to valve 404, by the depression of a hand lever 470, FIG. 2, from -the intermediate position in which it is shown in FIG. 18, to its operative position in which a Aconduit 472 is connected to the main supply line 400. Fluid under pressure from the conduit 472 will now actuate the `direction valve 460 to connect the conduit 186 to the conduit 472, thus causing the retarder and insole holddown to be returned to their full-line operative positions shown in FIG. 15. The conduit 472 is also connected, through a sequence valve 476 with the conduit 61 which leads to the wiper operating cylinder 58. Thus, as pressure builds up in the conduit 472, -after the retarder and insole holddown have been returned to their operative positions, the sequence valve 476 will open and the

wipers

20, 20 will be advanced and closed by the piston 60,v see FIG. 16, which shows the wipers at the conclusion of their advancing and closing movements'.

Referring to FIG. 2, there is attached to a portion of the wiper operating rod 52, a wedge-shaped cam block 480 which is adapted to actuate the plunger 482 of a combined control and pressure regulator valve 484. This combined valve arrangement, which is of conventional construction and diagrammatically illustrated in FIG. 18, is so arranged that when the plunger 482 is in its outermost position, see FIG. 2, the conduit 84 is connected to exhaust through a pilot valve 486, forming a part of the combined control and pressure regulator valve. Now, as the plunger is moved to the left, FIG. 2, or upwardly in FIG. 18, by the cam 480 as the wiper operating rod moves downwardly in FIG. 2 and to the left in FIG. 18, the conduit 84 will iirst be connected to the conduit 416, through a pressure regulator valve 488, also forming part of the combined control and pressure regulator valve 484,

and then, as movement of the plunger 482 continues, the pressure of the uid admitted to the conduit 84 and thence to the upper part of the cylinder 80 will be increased. Thus, as the wipers are advanced and closed to wipe Vthe lasting margin of the upper materials inwardly over the bottom of the insole at the toe end of the shoe, the pressure of the wipers exerted `on the upper materials will be progressively increased. In this connection, it

may be explained .that the pressure of the fluid admitted beneath the piston 64 through the conduit 82 is considenably less than Ithat of the iiuid which is admitted to the upper portion of the cylinder 80 through the conduit 84, this because of the setting of the pressure regulator valve 448 which controls the pressure in the conduit .2 as compared to the setting of the pressure regulator valve 488 which controls the pressure in conduit 84. Thus, there is an unbalanced force exerted on the pist-on rod 62 in a vdirection to swing .the table 54 downwardly, FIGS. 3 and 17. initially, as .the wipers commence their overwiping action, this unbalanced force is relatively small so that 4a light wiping pressure is yieldingly applied through the action of spring 78. However, as the wipers continue to advance and close -this unbalanced force increases as does the pressure applied on the upper materials by the wipers. As will be apparent, by providing a suitably shaped cam 480, Ithe force exerted by the wipers during their advancing and closing movements may be varied as desired to suit different operating conditions.

After the advanced and closed wipers have applied pressure to the wiped-in lasting margin of the upper materials, i.e., have applied bedding pressure, for a desired interval of time, the operator will again actu-ate the knee lever 410 to return the valve 462 to the position in which it is shown inl-TIG. 18, thereby connecting the

conduits

354 and 412 to the main supply line 400

Vand connecting conduits

414, 416 and 418 to exhaust. Cyl-Y inder 290 and one end of the cylinder 34S will now be connected to exhaust through conduit 414, while uid under pressure will be ladmitted to the opposite end of the cylinder 348 through the conduit 354, thereby lowering the toe pad 32 and withdrawing the heel band 34 from shoecl-amping position. As conduit 416 is connected to exhaust, conduit 84, which leads to the upper end of -the cylinder 80, is also connected to exhaust through the valve 486 so that bedding pressure is relieved.

As conduit 418 is connected to exhaust through valve 402, two

check valves

490 and 492 are released, thus exhausting

conduits

436 and 438.

Cylinders

118', 124, 172 and 174 are connected to exhaust through conduit 436 so that `the toe band 22 is retracted to its inoperative position while the retarder 24 and insole holddown 26 are elevated to the positions shown in FIG. 4. Upon the exhausting of conduit 438, valve 460 will be returned to the position shown in FIG. 18 so that cylinders 58 and 134 are connected to exhaust. Thus the wipers will be retracted and opened and the supporting arm 160 will e moved to its inoperative position by spring 188.

As shown in FIG. 18, the conduit 412 leads to the directional Valve 446 through a mechanically operated valve 496, and the latter valve is provided with an operating plunger 4-98, see FIG. 2. Carrie-d by the wiper operating rod 52 is a cam 500 which is adapted to engage the plunger 498 as the wipers .are advanced and closed, thereby moving this valve from the position shown in FTG. 18, in which that part kof the conduit 412 which is connected to the valve 446 is connected to exhaust, to a position in which the two parts of the conduit 412 are connected together through the valve 496. Thus, when conduit 82 is connected to exhaust through the conduit 436 and the valve 404, tluid under pressure will be `supplied to the lower part of the cylinder 80 through the valve 496, conduit 412 and direction valve 446 so that the

wipers

20, 20 may be retracted, as conduit 61 is connected to exhaust through valve 476 and conduit 472, with the wiper head held elevated and without danger of the wipers disturbing the upper material on the bottom of the shoe. When the wipers are thus retracted, the cam Sti@ will leave the plunger 498 so that valve 496 is returned t-o its -original position to connect the conduit 412 to exhaust and the conduit 82 to exhaust through valve 496. The table 54 on which the wipers are mounted will now swing downwardly under the `action of gravity and valve 466 will return to its original position to connect conduit 186 to the supply line 400 thus causing the supporting arm to be returned to its operative position as shown in FIG. 4.

Valve 408 is mounted on the front of the machine frame, FIGS. 1 and 2, :and has an operating handle 510 by means of which it may be moved from the position show-n in FIG. 18, in which conduit 186 is connected to the main supply line 430, to Ianother position in which the conduit 186 is connected to exhaust. By so moving this valve, the operator may cause the retarder 24 and insole holddown 26 to be elevated to the dotted line .inopenative position shown in FIG. 15 at any time before, during, or after each operation of the machine.

Conduit 472 opens into

conduits

436 and 438 through the check valve 492. Thus, if the operator, after operating valve 462 to jack the shoe, in the manner explained above, then immediately moves the valve 406 to its operative position, to connect conduit 472 to the main supply line 460, conduits 436 and 4358` will also be connected to the main supply line 4G63 and the machine will go through a complete operating cycle without interruption. Such fully automatic operating cycle can be used when lasting pretrimmed and precemented shoes.

Although the operation of the machine has, in a general way, been suggested in the foregoing detailed description of its construction, it will now be briey reviewed. When the shoe S to be lasted is presented to the machine, the supporting arm 160 will be in its operative position and the retarder 24 and holddown 26 will be in their inoperative positions as shown in FIG. 4 of the drawings. Accordingly, the operator, in presenting a shoe to the machine, will bring its toe end into engagement with the retarder and, ater swinging the shoe laterally about its toe end as a pivot to aline its forepart with the longitudinal center line of the

wipers

20, 20, he will strike the knee pad 410, thus causing the shoe to be clamped against the shoe rest 30 by the toe pad 32, PEG. l2, and to be engaged by the heel band 34, FIG. 3. If the operator is not entirely satised with the exact position of the shoe in the machine, he may, by a second actuation of the knee pad, release it for repositioning and reclamping. Otherwise, he will depress the hand lever 434 to initiate the upwiping and upper tensioning actions, whereupon the retarder 24, holddown 26, and toe band 22 will immediately assume the positions shown in FIG. 14 of the drawings. As will be apparent from this ligure, the toe band will be advanced to a position for engaging the upper materials to shape them to the last, and the lasting margin of the upper U will now be clamped, yieldingly, against the top of the toe band as the wiper head 5) is now elevated. Because of the action of the retarder, a pull will be exerted on the upper materials in a heightwise direction tending to stretch the upper materials about the last as the upper materials are drawn out from between the top of the toe band and lower edge of the retarder. At the conclusion of the upward movement of the wiper head, the toe band, retarder and insole holddown will assume the positions shown in solid lines in FIG. l5 and immediately thereaiter, the supporting arm 160 will be moved to its inoperative position, by the action of the spring 188 when cylinder 184 is connected to exhaust, thus retracting the retarder and holddown to the dotted-line positions shown in FIG. l5.

During its upper shaping action, which occurred as the wiper head 5t) was being elevated, the toe band yieldingly pressed the upper materials against the last as the result of the action of piston 116 and piston 126 and cylinder 124, and this band now holds the upper materials against loosening or retracting. With the entire toe end of the shoe and also the lasting margin of the upper materials thus exposed, the operator is afforded an opportunity to trim out the box toe and lining and/ or to hand pincer the upper materials as he desires. In addition,

he may apply a band or ribbon of thermoplastic adhesive around the marginal edge of the toe end of the insole, for example, by means of a hand gun of the type schematically shown in FiG. l and designated by the reference character H, immediately before initiating the overwiping and bedding down action ofthe wipers by the depression of the hand lever 470. During the advancing and closing of the wipers which now occurs, the retarder 24 is operative to control the lasting margin and may be wedged upwardly as the lasting margin is wiped inwardly and drawn from beneath the retarder and the holddown 26 will eventually be swung about its pivot pin 217 against the resistance of the spring 2.18, by the fully advanced wipers, the parts linally coming to rest in the positions shown in FIG. 16 and with the wipers exerting a bedding down pressure on the overwiped lasting margin. As will be recalled, this downward pressure of the wipers on the upper material was progressively increased as the wipers advanced as the result of the action of the cam 480 on the pressure regulator valve 48S. Hence, when the wiping action has been completed, the wipers will be exerting a substantial pressure on the upper materials. After permitting the wipers to remain in this bedding down position for any desired interval, the operator, while grasping the shoe with one hand, will strike the knee' pad, thus releasing the shoe and causing the various operating elements of the machine to be returned to their original positions as shown in FIG. 4.

Havingthus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

l. Arnachine for lasting the toe ends of shoes having, in combination, a support for a shoe comprising upper materials and an insole assembled on a last, means for shaping theupper materials of a shoe on the support around the toe end of its last in response to relative heightwise movement between said upper shaping means and the shoe support, means for effecting said relative heightwise movement, a member adapted to engage the upper materials and to cooperate with the upper shaping means during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, means for Supporting said member mounted for movement from an operative position to an inoperative position, means for moving said supporting member to and holding it in operative position during said relative heightwise movement between the upper shaping means and the shoe support, and means for moving the supporting means to its inoperative position thereby to retract said member from the upper materials and the toe end of the shoe at the conclusion of such relative heightwise movement.

2. A machine for lasting the toe ends of shoes having, in combination, a support for a shoe comprising upper materials and an insole assembled on a last, a toe band for shaping the upper materials of a shoe on the Support around the toe'end of itslast in response to relative heightwise movement between said toe band and the shoe support, iluid pressure operated means for effecting said relative heightwise movement, a member adapted to engage the upper materials and to cooperate with the toe band during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, means supporting said member mounted for movement from an operative position to an inoperative position, uid pressure operated means for moving said supporting member to and holding it in operative position during said relative heightwise movement between the toe band and the shoe support, spring means for moving the supporting means to its inoperative position, and means for connecting said last-named Huid pressure operated means to exhaust to cause said spring means to move the supporting means to inoperative position and thereby to retract said member'from the upper materials'and the toe end of the shoe at the conclusion of such relative heightwise movement.

3. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on a last, means for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative height wise movement between said lasting means and the shoe support, means for effecting said relative heightwise movement, a member adapted to engage the upper materialsl and to cooperate with the upper shaping means during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them over the last, a member adapted to engage the insole adjacent to the toe end of the last during such relative heightwise movement between the upper shaping means and the support, means supporting said members mounted for movement from an operative position to an in operative position, means for moving said supporting means to and holding it in operative position during relative Iheightwise movement between the lasting means and the shoe support, and means for moving the supporting means to its inoperative position thereby to retract said members from engagement with the upper materials and the insole at the conclusion of such relative heightwise movement.

4. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on a last, a toe band for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement between said toe band and the shoe support, fluid pressure operated means for effecting said relative heightwise movement, a member adapted to engage the upper materials and to cooperate with the toe band during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them over the last, a member adapted to engage the insole adjacent to the toe end of the last during such relative heightwise movement between the toe band and the support, means supporting said members mounted for movement from an operative position to an inoperative position, Huid pressure operated means for moving said supporting means to and holding it in operative position during relative heightwise movement between the toe band and the shoe support, spring means for moving the supporting means to its inoperative position, and means for connecting said last-named tluid pressure operated means to exhaust to cause said spring means to move the supporting means to inoperative position thereby to retract said members from engagement with the upper materials and the insole at the conclusion of such relative heightwise movement.

5. A machine for lasting the toe ends of shoes having, in combination, a support for a shoe comprising upper materials and an insole assembled on a last, means for shaping the upper materials of a shoe on the support around the toe end of its last in response to relative heightwise movement between the upper shaping means and the shoe support, means for effecting said relative heightwise movement, a first manual'y operable control means for initiating action of said heightwise movement effecting means, a member adapted to engage the upper materials during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, means supporting said member mounted for movement from an cperative position to an inoperative position, means for moving said supporting member to and holding it in operative position during said relative heightwise movement, means for moving the supporting means to its inoperative position thereby to retract said member from the upper materials and the toe end of the shoe at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the toe end of the insole, means for operating said wipers, and a second manually operable control means for iuitiating action of the wiper operating means, said lastnamed control means also being adapted to ete;t return of said supporting means to operative position so that said member is effective to control the lasting margin of the upper materials as it is wiped inwardly over the insole by said wipers.

*6. A machine for lasting the toe ends of shoes having, in combination, a support for a shoe comprising upper materials and an insole assembled on a last, a toe band for shaping the upper materials of a shoe on the support around the toe end of its last in response to relative heightwisemovement between said toe band and the shoe support, fluid pressure operated means for effecting said `tending to stretch them about the last, means supporting said member mounted for movement from an operative position to an inoperative position, fluid pressure operated means for moving said 'supporting member toanrl holding it in operative position during said relative height- `wise movement, spring means for moving the supporting means to its inoperative position, means for connecting said last-named lluid pressure operated means to exhaust to cause said spring means to move the supporting means to inoperative position thereby to retract said member from the upper materials and the toe end of the shoe at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the toe end oi the insole, fluid pressure means for operating said wipers, and a second manually operable control means for initiating action of the wiper operating means, said last-named control means also being Iadapted to render the llufd pressure operated means associated with the supporting means operable to return said supporting means to operative posit'on so that said member is effective to control the lasting margin as it is wiped inwardly over the insole by the wipers.

7. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an in- `sole assembled on a last, means for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement between said upper shaping means and the shoe support, means for eitecting said relative heightwise movement, a first A'manually operable control means for in tiating action of said heightvvise movement effecting means, a member adapted to engage the upper materials during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them over the last, a member adapted to engage the insole adjacent to the toe end of the last during such relative heightwise ymovement, means for supporting said members mounted for movement from an operative position to an inoperative position, means for moving said supporting means to Avand holding it in operative position during said relative heightwise movement, and means for moving the supporting means to its inoperative position thereby to retract said members from engagement with the upper materials and the insole at the conclusion of such rezative heightwise movement, toe wipers for wiping the lasting margin -of the upper materials inwardly over the toe end of the insole, means for operating said wipers, and a secondV manually operable control means for initiating action of the 'Wiper operating means, said last-named control means also being adapted to effect return of said supporting means to operative position so that said first-mentioned member is elective to control the lasting margin as it is wiped inwardly over the insole by the wipers.

8. A machine for lasting the toe ends of shoes having a support for Ia shoe comprising upper materials and an insole assembled on a last, a toe band for shaping the upper materials of a shoe on lthe support about the toe ridf end `of its last in response to relative heightwise move- `ment between said toe band and the shoe support, fluid pressure operated means for effecting said relative heightwise movement, la first manually operable control means `for initiating action of said heightwise movement effecting means, a member adapted to engage the upper materials during such relative heightwise movement to cause a pull to 'be exerted on the upper materials tending to stretch them over the last, a second member adapted to engage the insole adjacent to the toe end of the last during such relative heightwise movement, means for supporting said members mounted for movement from an inoperative position to `an operative position, fluid pressure operated means for moving said supporting means to holding it in operative position during said relative heightwise movement, spring means for moving the supporting means to its inoperative position, means -for connecting said liuid pressure operated means to eX- haust to cause said spring means to move the supporting means Ito inoperative position thereby to retract said members from engagement with the upper materials and the insole `at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the toe end of the insole, fluid pressure operated means for operating said wipers, `and a second manually operable control means for initiating action of the wiper operating means, said last-named control means also being adapted to render the fluid pressure operated means associated with thev supporting means operable to return said supporting means to operative position so that said first-mentioned ymember is effective to control the lasting margin as it is wiped inwardly over the insole yby the wipers.

, 9. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on a last, means for shaping the upper 'materials of a shoe on the support in response to relative heightwise movement between said upper shaping means and the shoesupport, means for effecting said relative hei-ghtwise movement, a retarder adapted to engage the upper materials and to cooperate with the upper shaping means during such relative heightwise movement to cause a pull -to be exerted on the upper materials tending to Istretch them over Ithe last, means for supporting said retarder mounted for movement from an operative position to .an inoperative position, means for moving said supporting means to and for holding it in operative position during said relative heightvvise movement, and means for moving the supporting member to its inoperative position thereby to retract said retarder from the upper materials at the conclusion of such relative heightwise movement.

lt). A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole `assembled on a last, a toe band for shaping the upper materials of a -shoe on the support about the toe end of its last in response to relative heightwise movei ment between said toe band and the shoe support, l'luid wise movement, a retarder adapted to engage the upper materials and to cooperate with the toe band during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, means supporting said retarder mounted for movement from an operative position ,to an inoperative position, iluiid pressure operated means for moving said supporting means to and for holding it in operative position during said relative heightwise movement, spring lmeans for moving the supporting means to its inoperative position, Iand means tor connecting saidv last-mentioned fluid pressure operated means to exhaust to cause said spring means to move the supporting means 'to inoperative position thereby to retract said retarder from the upper materials at the conclusion of such relative heghtwise movement.

l1. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on a last, means for shaping7 the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement between said lasting means and the shoe support, means for elfecting said relative heightwise movement, a retarder adapted to engage the upper materials and to cooperate with the upper shaping means during such rela; tive heightwise movement to cause a pull to be exerted n the upper materials tending to stretch them over the last, a holddown for engaging the toe end of the insole during such relative heightwise movement, means supporting said retarder and holddown mounted for movement from an operative position to an inoperative position, means for moving said `supporting means to 4and for holding it in operative position during said relative heightwise movement, and means for moving the supporting means to its inoperative position thereby to retract said retarder and holddown from the upper materials Iand the insole at the conclusion of said relative heightwise movement.

12. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on a last, a toe band for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement between said toe band and the shoe support, fluid pressure operated means for effecting said relative heightwise movement, a retarder adapted to engage the upper materials and to cooperate with the toe band during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, a holddown for engaging the toe end of the insole during such relative heightwise movement, means supporting said retarder and holddown mounted for movement from an operative position to an inoperative position, fluid pressure operated means for moving said supporting means to and for holding it in operative position during said relative heightwise movement, spring means for moving the supporting means to its inoperative position, and means for connecting said last-mentioned fluid pressure operated means to exhaust to cause said spring means to move the supporting means to inoperative position thereby to retract said retarder and holddown 4from the upper materials and insole at the conclusion of said relative heightwise movement.

13. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on -a last, means for shaping the upper materials of a shoe on the support about the toe end of vits last in response to relative heightwise movement between said upper shaping means and the shoe support, means for effecting said relative heightwise movement, a rst manually operable control means for initiating action of said heightwise movement effecting means, a retarder adapted to engage the upper materials during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, means supporting said retarder mounted for movement from an operative position to an inoperative position, means for moving said supporting means to and for holding it in operative position during said relative heightwise movement, means for moving the supporting means to its inoperative position thereby to retract said :retarder from the upper materials at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the toe end of the insole, means for operating said wipers, and a second manually operable control means for initiating action of the wiper operating means, said last-named control means also being adapted to effect return of said `supporting means to operative position so that said reinsole assembled on a last, a toe band for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement `between said toe band and the shoe support, fluid pressure operated means for effecting said relative heightwise movement, a rst manually operable control means for initiating action of said heightwise movement effecting means, a retarder adapted to engage the upper materials during said relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, means supporting said retarder mounted for movement from an operative position to an inoperative position, fluid pressure oper-ated means for moving said supporting means to and for holding it in operative position during said relative heightwise movement, spring means for moving the supporting means to its inoperative position, mean for connecting said lastmentioned fluid pressure operated means to exhaust to cause said spring means to move the supporting means to inoperative position thereby to retract said retarder from the upper materials at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the toe end of the insole, tluid pressure means for operating said wipers, and a second manually operable control means for initiating action of the wiper operating means, said last-named control means also being adapted to render the iluid pressure operated means associated with the supporting means operative to return said supporting means to operative position so that said retarder is effective to control the lasting margin as it is wiped inwardly over the insole by the Wipers.

15. A machine for lasting the toe ends of shoes having a support for Ia shoe comprising upper materials and an insole assembled on a last, means for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement between said upper shaping means and the shoe support, means for effecting said relative heightwise movement, a rst manually operable control means for initiating action of said heightwise movement effecting means, a retarder adapted to engage the upper materials during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch them about the last, a holddown for engaging the toe end of the insole during such relative heightwise movement, means supporting said retarder and holddown mounted for movement from an operative position to an inoperative position, means for moving said supporting means to and for holding it in operative position during said relative heightwise movement and means for moving the supporting means to its inoperative position thereby to retract said retarder and holddown from the upper materials and insole at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the ltoe end of the insole, means for operating said wipers, and a second manually operable control means for initiating action of the wiper operating means, said last-named control means also being adatped to effect return of said supporting means to operative position so that said retarder is effective to control the lasting margin as it is wiped inwardly over the insole by the wipers.

16. A machine for lasting the toe ends of shoes having a support for a shoe comprising upper materials and an insole assembled on a last, a toe band for shaping the upper materials of a shoe on the support about the toe end of its last in response to relative heightwise movement between the toe band and the shoe support, fluid pressure operated means for effecting said relative heightwise movement, a first manually operable control means for initiating action of said heightwise movement effecting means, a retarder adapted to engage the upper materials during such relative heightwise movement to cause a pull to be exerted on the upper materials tending to stretch 17 them about the last, a holddown tor engaging the toe end of the insole during such relative heightwise movement, means for supporting said retarder and holddown mounted for movement from an operative position to an inoperative position, uid pressure operated means for moving said supporting means to and for holding it in operative position during said relative heightwise movement, spring means for moving the supporting means to its inoperative position, means for connecting said last-mentioned iluid pressure opera-ted means to exhaust to cause said spring -means to move the supporting means to inoperative position thereby to retract said retarder and holddown from the upper materials and insole at the conclusion of such relative heightwise movement, toe wipers for wiping the lasting margin of the upper materials inwardly over the toe end of the insole, fluid pressure means for operating said wipers, and a second manually operable control means for initiating action of the wiper operating means, said last-named control means being adapted to render the liuid pressure operated means associated with the supporting means operable to return said supporting means to operative position so that saidretarder is effective to control the lasting margin as it is wiped inwardly over the insole by the wipers.

17. A machine or lasting the end portion of a shoe having a support for a shoe comprising upper materials and an insole assembled on a last, end embracing wipers mounted in a wiper head for advancing and closing movements to wipe the lasting margin of the upper materials of a shoe on the support inwardly over the insole at an end portion of the shoe, means for effecting such advancing and closing movements of said wipers, said wiper head and said shoe support being mounted for relative movement in a direction extending heightwise of a shoe on the support to cause the wipers to press the lasting margin of the upper lmaterials against the insole as the wipers are advanced and closed, tiuid pressure operated means for etecting such relative movement in the mentioned direction, and means operable in response to the advancing and closing movements of the wipers for controlling the pressure of operating fluid supplied to said fluid pressure operated means, thereby to vary the force exerted on the lasting margin by the wipers as the wipers are advanced and closed.

18. A machine for lasting the end portion of arshoe having a support or a shoe comprising upper materials and an insole assembled on a last, end embracing wipers mounted in a Wiper head for advancing and closing movements to wipe the lasting margin of the upper materials of a shoe on the support inwardly over the insole at an end portion of the shoe, means for etecting such advancing and closing movements of said wipers, said wiper head and said shoe support being mounted for relative movement in a direction extending heightwise of a shoev on the support to cause the wipers to press the lasting margin of the upper materials against the insole as the Wipers are advanced and closed, uid pressure operated means for effecting such relative movement in the mentioned direction, and a cam movable in response to the advancing and closing movements of the wipers for controlling the pressure of the operating fluid supplied to said iiuid pressure operating means, thereby to vary the force exerted on vthe lastingmargin by the wipers, as the wipers are advanced and closed.

19. A machine for lasting the end portion of a shoe having a support for a shoe comprising upper materials and an insole assembled on a last, end embracing wipers mounted in a wiper head fpr advancing and closing movements to wipe the lasting margin of the upper materials of a shoe `on the support inwardly over the insole at an end por-tion of the shoe, means for eecting such advancing and closing movements of said wipers, said wiper head and said shoe support being mounted for relative movement in a direction extending heightwise of a shoe on the support to cause the wipers to press the lasting margin of the upper materials against the insole as the wipers are advanced and closed, fluid pressure operated means for effecting such relative movement in the mentioned direction, a pressure regulator valve having a displaceable member for controlling the pressure of the operating iluid supplied to said iluid pressure operated means, means operable in response to the advancing and closing movements of the wipers for displacing said displaceable member thereby to vary the force exerted on the lasting margin by the wipers as the wipers are advanced and closed.

20. A machine for lasting the end portion of a shoe having a support for a shoe comprising upper materials and an insole assembled on a last, end embracing wipers mounted in a wiper head or advancing and closing movements to wipe the lasting margin of the upper materials of a shoe on the support inwardly over the insole at an end portion of the shoe, means for effecting such advancing and closing movements of said wipers, said wiper head and said shoe support being mounted for relative movement in a direction extending heightwise of a shoe on the support to cause the wipers to press the lasting margin of the upper materials against the insole as the wipers are advanced and closed, fluid pressure operated means for effecting such relative movement in the mentioned direction, a pressure regulator valve having a displaceable member for controlling the pressure of the operating iluid :supplied to said fluid pressure operated means, and a cam movable in response to the advancing and closing movements of the wipers for displacing Vsaid displaceable member thereby fto vary the force exerted on the lasting margin by the wipers as the wipers are advanced and closed.

Jorgensen Oct. 30, 1956

Claims

1. A MACHINE FOR LASTING THE TOE ENDS OF SHOES HAVING, IN COMBINATION, A SUPPORT FOR A SHOE COMPRISING UPPER MATERIALS AND AN INSOLE ASSEMBLED ON A LAST, MEANS FOR SHAPING THE UPPER MATERIALS OF A SHOE ON THE SUPPORT AROUND THE TOE END OF ITS LAST IN RESPONSE TO RELATIVE HEIGHTWISE MOVEMENT BETWEEN SAID UPPER SHAPING MEANS AND THE SHOE SUPPORT, MEANS FOR EFFECTING SAID RELATIVE HEIGHTWISE MOVEMENT, A MEMBER ADAPTED TO ENGAGE THE UPPER MATERIALS AND TO COOPERATE WITH THE UPPER SHAPING MEANS DURING SUCH RELATIVE HEIGHTWISE MOVEMENT TO CAUSE A PULL TO BE EXERTED ON THE UPPER MATERIALS TENDING TO STRETCH THEM ABOUT THE LAST, MEANS FOR SUPPORTING SAID MEMBER MOUNTED FOR MOVEMENT FROM AN OPERATIVE POSITION TO AN INOPERATIVE POSITION, MEANS FOR MOVING SAID SUPPORTING MEMBER TO AND HOLDING IT IN OPERATIVE POSITION DURING SAID RELATIVE HEIGHTWISE MOVEMENT BETWEEN THE UPPER SHAPING MEANS AND THE SHOE SUPPORT, AND MEANS FOR MOVING THE SUPPORTING MEANS TO ITS INOPERATIVE POSITION THEREBY TO RETRACT SAID MEMBER FROM THE UPPER MATERIALS AND