US2608701A - Platform laying and platform cover turning machine - Google Patents

Description

Sept. 2, 1952 E. QUINN 2,608,701

PLATFORM LAYING AND PLATFORM COVER TURNING MACHINE 5 Sheets-Sheet 1 Filed March 24, 1950 Inventor Edward unn E. QUINN Sept. 2, 1952 PLATFORM LAYING AND PLATFORM COVER TURNING MACHINE 5 Sheets-Sheet 2 Filed March 24, 1950 nvenfor' Edward Quinn Sept. 2, 1952 E. QUINN 2,608,701

PLATFORM LAYING AND PLATFORM COVER TURNING MACHINE Filed March-24, 1950 5 Sheets-Sheet 5" Inventor Edward Quinn By h 's/Hiorney Sept. 2, 1952 E. QUINN 2,608,701

PLATFORM LAYING AND PLATFORM COVER TURNING MACHINE Filed March 24, 1950 w 5 Sheets-Sheet 4 nvenior Edward Quinn B ey Sept. 2, 1952 QU|NN 2,608,701

. PLATFORM LAYING AND PLATFORM COVER TURNING MACHINE Filed March 24, 1950 5 Sheets-Sheet 5 Invenlor Edward Quinn By ey Patented Sept. 2, 1952 PLATFORM LAYING AND PLATFORM COVER TURNING MACHINE Edward Quinn, Saugus, Mass., assignor to United Shoe Machinery Corporation, Flemington, N. .L, a corporation of New Jersey Application March 24, 1950, Serial No. 151,659

11 Claims This invention relates to machines for use in the manufacture of shoes and it is herein disclosed as embodied in a machine for laying platform units upon the sock linings or insoles of platform shoes and also for turning the platform covers of the shoes. These operations are performed upon partially completed platform shoes consisting of sock linings, uppers, and platform covers united by stitching. Such shoes often have insoles in addition to or in place of sock linings, but the presence or absence of insoles is of no consequence in the operation of the machine and for convenience the term sock lining will be used to denote not only an actual sock lining but any of its equivalents.

It is an object of this invention to provide a simple machine for readily and conveniently performing the above-mentioned operations.

In accordance with a feature of the invention, the illustrated machine is provided with supports for a partially completed platform shoe and a platform unit and also with means for moving the platform unit support from a convenient loading position removed from the shoe to an operating position wherein precemented surfaces of the platform unit and the sock lining are pressed together to cause them to adhere. The platform unit support carries gages which hold the platform unit in register with the sock lining while the platform unit is being laid. In accordance with a further feature, the illustrated machine is provided with means for turning the platform cover while the shoe is held against the shoe support by thepressure of the platform unit support.

An advantage of the illustrated machine is that it does not require a preliminary lasting of the shoes upon which it operates. Another advantage is that it lays the platform unit and turns the platform cover in a single handling of the shoe.

These and other features of the invention will appear'from the following detailed description of an illustrative embodiment of the invention, when considered in connection with the accompanying drawings, and will be pointed out in the appended claims.

In the drawings,

Fig. 1 is a front elevation of the upper portion of an illustrative machine embodying the invention;

Fig. 2 is a side elevation of the parts shown in Fig. 1;

Fig. 3 is a vertical sectional view of a portion of the mechanism shown in Figs. 1 and 2;

Fig. 4 is an enlarged front elevationof the shoe-engaging membersat the beginning of their operation upon a shoe; r

Fig. 5 is a plan view of the platformsupport in operating position;

Fig. 6 is a front, elevation of the shoe-engaging members at the completion of the operation;

Fig. '7 is a view similar to Fig. 1 showing the positions of the various parts at the completion of the operation; j I

Fig. 8 is an enlarged fragmentary view in ele-, vation, showing one of the turning tools in operation upon a platform cover;

Fig. 9 is a view similar to Fig. 8 showing the tool at an earlier stage of the operation; and

Fig. 10 is a sectional view taken on the line X-X of Fig. 7. r

The shoe-engaging instrumentalities of the illustrated machine consist of a shoe support 20 (Figs. 1 and 3), a platform unit support, indicated generally by the reference numeral 22 (Figs. 1 and 5), a toe turning horn 24, and a heel turning horn 26. The supporting structure of the machine consists of a frame 28 adapted to rest upon the floor.

The shoe support 20 is a stationary member shaped to the general outline of a shoe bottom and curved heightwise from toe to heel in a mannersimilar to that of the average shoe. It comprises a toe end plate 25 (Figs. 1 and 4), a shank plate 21, and a heelend plate 29. The shank plate 21 is welded to a bar 32 which extends lengthwise along the median line of the support 20. The toe end plate 25 and the heel 'end plate 29 are secured to the bar 32 by clampdepending from the bar 32, is clamped to a bracket 36 by a screw 38. Angular adjustment of the shoe support 20 in a longitudinal heightwise plane is effected by loosening the screw 38, tilting. the shoe support about the screw to the desired position and then' tightening the screw. The bracket 36 is slidable for heightwise adjustment in a guideway formed in a bracket 40 whichis secured by screws '42 to the frame 28, the bracket 36 being held in adjusted position by a clamping screw 44 threaded into the bracket 40 and ex?- tending through a vertical slot 46 in the bracket 36.

The support 20, just described, is adapted to support a partially completed platform shoe in inverted position. Such a shoe, as shown in Fig;

piece.

It is one of the functions of the illustrated machine to lay or adhesively apply a platform unit P (Fig. 5) upon the sock lining S. Such a platform unit may consist of aplatform to-wl-richhas been cemented a wedge heel H. In some" types of shoe the platform andztheheelI-Imay be integral, and in other types the heel H may be omitted. Before the shoe is subjectedto the operation of the illustrated machine, those portion s of the sock lining and the platform :unit which are-to be-adhesively united arelprecoated with a suitable cement.

Thesu'pportQ-Z for the platform unit =i-s-movable from a loading position, showninFig. l was o "in Fig.*'2, to an operating position shown in selid'l'ines in "Figs. "2; 4, 5, '15 and '7. To provide for such movement, the platform unit support fl'is' -carriedupon the forward endstasshown in Fig. 2) of a lever 48 which is fulcrumednpon a pm 50' threaded into a lug 52 extending from a -slide-5'l. A suitable guidew-ay formed in .a bracket 55 extending u-p fromTthe fra-me 28 genesthe; slide 54} for heightwisemovement. The lowen end lot the slide-5'4 .pivota lly con? nected to the upper end of' a :treadleL-rod' 56 which is normally held up to a stoppedposition by a spring, thespning' and the .treadle'whichxopcrates-the ro=d"=56 not "being shown. Rotatably mounted upon a pin 58 secured .in the rear: .end of the-lever 48is a roll mlwhich is constrained against heightwise movement .by a. horizomal guideway consisting oi -a lower-plate I62 an'dxan upper-plate 6'4 which are both integral-with .a bracket 66 secured by screws ifi8torthe'lbracket 55E When the treadle is up, the members-just described'willoccupy-their dotted line position as shown in Fig; 2 and when the treadle. is depressed} they will move into ztheirisolidiline 'DOSi-r tion-as shown in the same :figure. necushion :69 of leather on the upper :end' portion of .the;slide il serves as -a stop for-the platform imit sum port '22 in-its up position.

The-platform uni-t support 22 includes; 'a' longitu'dinal ba-rl-ilTFigs. i, 5 and-16:) =zwhich :isaiigidly secured by anangle iron 12 to the lever 'Ihe angle iron 1-2 is brazedito thealong itudinalgbar and securely clamped ito the lever-.48 by aboltid, nut"1Lii;..and.ssuitable;washers. :Secflied bye. washer '11 1(Fig. 4i) and aserew flz8=threaded into the forwardvend .of the bar. Til fis,;a bracket BDhaV'ing depending guideifianges en aging the lateral edges 10f theha'r 1.9 tozguide the bracket 80*f'or adjusting m'ovememrialong (the bar. The bracket afil'has aslot-"throughwhieh the screw 18 extends to enableithe'bracket to ile-adjusted fonwairdl ior 'baoki;along thejbar-Ffli and then clamped its adjusted zposition;;by;.;tightening the screw 18. Formed :in 1a heightwise portion of ith'e'hnacketdilliis'a vertical guidewfiiy in which is gu'ided for heightwise movement-a slide .82 having a lower end portion 84 shaped to engage thelttoeend of .the platform unit and thereby to serve as tone ;of the end clamping members for platform? unit; in tension spring .86 secured 4 at its upper end to a pin 88 extending from the slide 82 and anchored at its lower end to a screw 90 threaded into the bracket 80 yieldingly holds the clamping member 84 down in a stopped position wherein it can be engaged by the toe end of the platform unit. This stopped position is determined Jby'jihe screw stxtwhich is a shoulder screw) ex-tending through aeclosed-heightwise slot 9! (see also Fig. 2) in the slide 82. Formed in the upper portion of the slide 82 isa guidewaywherein another slide 92 is guided "Iforheightwise adjustment and in which it can be secured in any desired position of heightwise adjustmentbyascrew 94 threaded into the slide 132 and extending: through a heightwise slot formed in'the' slide e2. Extending horizontally from the upperpertion of the slide 92 is an abutment pin '96, the purpose of which will later be explained.

On the heel end portion of the bar TB is a bracket 8.8. Allies. .4 5) slidablesalonggthe-f'bar and having depending snide hang-se h-ich en! gage the lateral edges of the bar. bracket 98 is:yieldingly; urged toewardzby-atensionspring .lililsecured at forward end to a post I02 upstanding from the bar lit-and at its heelward end to :a post: L04 secured in the bracket 98;. AfShQ'lll': derscrew M36 threaded-intoa presser l 32- :(to1be described later) and: extending through,- a slot 1108 in :the bracket deserves .as .a stop to :limitthe toeward movement ofthe'bracket 98 under the influence of the spring 1-90.; :Slidably-meunted for .-heightwis.e movement in .aguideway formed inan upstandingpertioniofthe bracket :98 isia slide H0 upon the lowenendfiortion-ofwhich is formed a member -1 IEP for engaging the heel end of the platform-unit. Thisrmember J lzsune der theinfiuenee of the spring 4-00 presses toe-- Wardly againsttheheel end of the platform unit and thus holds the-platform uni-t yieldingly clamped against .thetoe clamping member 84. A.-shoulder screw I l3 threaded into-thebracket 98 and extending through a c1osed-slot in the slide 1 mserves to -stop rthedownwardmovement of the slide. The slide Hi0 is-yieldingly-zurged down toward its stopped positioneby a. tension spring Hit, the upper :end of whichi-is-securedto a pin HE extending from the-slide H9 and-the lower end of which isnsecuredto .the post I345 Slidably guided for iheightwise movement- .on-the upper portion of theslide H6 is -another.sl-ide i .18 which can be :adjustably secured in lanygdesired heightwise positionzbyascrew J20 threaded into the slide Hi1 and extending throughsa heightwise slot in the slide H8. --.abutment pin 122.;extendshorizontally from the upper portion- :of theslideHB, the purpose of which will later :be explained.

,In-addition to the .clampingmembersflt and H2 which ,yieldingly support :the. platform .unit, the illustrated platform unit support -22.;.is also. nrovidedwith several members engageable with the bottom of the platform unit to press :the -plat form :unit down on the socklining; -.One.of these Presser members consists of. a plate i124 (Figs. 4 and 5) clamped upon ztheiiorward .end portion of the bar 10 by a screw I23 extending througha slot I28 formed on the bar to allow forlengthwise adjustment. The operatingface of the presser I24 :is-;prefe1'ably lined with a sheet =0? felt 3,0 or like cushioning material. A similar presser- .132 is secured upon :the heel end portion of thebar 'H] with provision for forward and rearward adjustment and it is similarly provided 'with a cushion ;i 34. The screw 11-05 has; just below its plate 2l2, will cause the secondary slide I66 to move up faster than the primary slide I64. The toggle pin 200 will thus be moved up faster than the cross bar I72 and will cause the toggle links I 94 and I96 to straighten and move the turning horns 24 and 26 further apart. It may be noted that the horns 24 and 26, as shown in Fig. 1, are close enough to each other to enter within the unturned platform covers C and C as the horns begin to rise, and that as the horns continue rising, they also separate to enable them to clear the seam at the toe and heel ends of the shoe. The upward movement of the secondary slide I66 relative to the primary slide I64 will cease as soon as the finished surface 2I0 comes flat against the cam plate 2I2, whereupon the secondary slide will rise in unison with the primary slide until the various parts reach the positions shown in Fig. '7. The upward movement of the slides will be stopped by the engagement of the upper end of the secondary slide I66 with an ofiset 2 l8 (Fig. 3) formed on the bracket 36. Upon release of the treadle, the primary slide I64 and also the secondary slide I66 will descend; and the lower edge of the lever 202 will engage the abutment 2H3 to return the secondary slide to its initial position.

It is often desirable to move the clamps 8d and H2 up out of the way as the horns 24 and 2% rise to turn the platform cover. This is accomplished by a pair of lift rods 220 and 222 which are secured in upstanding position to angle irons 224 (Figs. 1, 2 and 3) mounted on the opposite end portions of the cross bar H2. The lift rod 220 has an upper end portion 225 which is bent "horizontal and at right angles to the pin 85 so as to engage the pin 96 as the cross bar I 12 rises. The lift rod 222 has a similar horizontal end por tion 228 for engagement with the pin I22. It is evident that as the horns 2t and 23 rise, the lift rods 22!! and 222 will also rise and move the slides 82 and III] up to bring the clamps 84 and I42 to cut-of-the-way positions. The timing of the engagment of the lift rod 220 with the pin 96 is determined by the adjustment of the slide 92 up and down on the slide 82, and the timing of the engagement of the lift rod 222 with the pin I22 is similarly determined by the adjustment of the slide I I8 on the slide IIII (Fig. 7)

It is sometimes desirable, in the turning of platform covers of more or less stiff material, to maintain tension in the covers as they turn over the edges of the horns 24 and 26. Such tension can be maintained by proper heightwise adjustment of the slides 92 and H8 referred to in the preceding paragraph. Suflicient upward adjustment of these slides renders the lift rods 22B and 222 completely inoperative and enables the clamps 84 and H2, under the influence of their respective springs, to press the platform covers C and 0 against the edges of their respective turning horns 24 and 26, thereby imposing a frictional drag upon the platform covers while they are being turned. Less upward adjustment renders the lift rods partially inoperative, enabling the clamps 84 and H2 to tension the platform covers its support. He then depresses the treadle connected to the rod 56 and thereby brings the platform unit support 22 from loading position into operating position wherein it is automatically latched by the latch I54. The platform unit, gaged by the clamps 84 and H2, is thus laid in register upon the sock lining S of the shoe on the shoe support 20. Sufficient pressure, determined by the heightwise adjustment of the shoe support 20, is developed by the presser members I24, I32, I36, I40 and I42 against the platform unit P to establish a firm bond between the precemented adjoining surfaces of the platform unit and the sock lining.

While the shoeis thus held down by the platform unit support 22, the operator depresses the treadle connected to the rod I10 and thereby causes the rod to raise the slide I64 and the horns 24 and 26. The horns have already been adjusted (by a suitable positioning of the brackets I14 and I92 along the cross bar I12) to enter the unturned platform covers 0 and C at the respective ends of the shoe. As they continue to rise the horns 24 and 26 are moved further apart by the toggle links I94 and I96 to enable the horns to clear the seams by which the platform covers are stitched to the sock lining and the upper. The platform covers are thus turned over the edges of the horns, with or without tension according to the adjustment of the slides 92 and H8 as has already been explained. The turning of the platform covers is finished before the upward movement of the slides is stopped by the offset 2I8 and the operator thereupon releases the treadle connected to the rod I10, permitting the slides to descend to their initial positions. He then grasps the handle I63 and releases the latch I54, permitting the platform unit support 22 to rise to its initial position and release the shoe. The operation is now complete and the shoe, with its platform covers C and 0 turned and its platform unit P laid upon and cemented to the sock lining S, can be removed from the support 20.

The machine, as shown and described herein, is adapted to operate upon platform units to which the heels have already been attached. It is sometimes desirable, however, to apply the platform, alone and without an attached heel, to the sock lining and then, after the platform covers have been turned, to apply the heel to the platform. All that is necessary to convert the illustrated machine to such use is to substitute for theplatform unit support 22 a similar member having a suitable heightwise curvature from toe to heel to accomplish the desired purpose.

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

' 1. In a machine for use in the manufacture of shoes, a support for a partially completed platform shoe having an upper, a sock lining, and an unturned platform cover united by stitching, a clamp for supporting a platform unit, operating means for moving said clamp with a platform unit therein from a convenient loading position removed from the shoe to an operating position wherein precemented surfaces of the platform unit and the sock lining are pressed together to cause them to adhere, and means for turning the platform cover while the shoe is held against the shoe support by the pressure of the operating means.

2. In a machine for use in the manufacture of shoes, a support shaped to fit within an inverted partiallycompleted platform shoe having an upp r. a-..so linin -i and a un u platform cover united by; stitching, said support being adapted to engage the sock lining and thereby to support the shoe, a yieldable clamping means engageable with the periphery of a platform unit to support the platform unit, a carrier for the clamping ;means movable from a convenient loading position above the shoe to an operating position wherein adjoining j precemented surfacesof the platform unit and the sock lining are in contact, operating means for so moving the carrier and for pressing the platform unit down against the sock lining to cause the precemented surfaces to adhere, means for turnin the platform cover while the shoe is held down on its support bythe operating means, and means operated by the turning means for moving the yieldableicl'amping. means out 'of the way.

.3; In a' machine for use in the manufacture of shoes, a support for a partially completed platform shoe having anupper, a'sock lining, and aninturnedplatform cover united by stitching, means'for supporting a platform unit in gaged relation to said support while outof contact with the sock lining to insure subsequent registry of the platform unit with the sock lining, means for applying pressure between the platform unit and the sock lining while the platform unit is thus gaged to cause precemented surfaces of the platform and the sock lining to adhere, and means for turning the platform cover while the shoe is held on its support by the pressure applying means.

4. In a machine for use in the manufacture of shoes, a support for a partially completed platform shoe having an upper, a sock lining, and an inturned platform cover united by stitching, treadle-operated mechanism for pressing a pre cemented platform against the precemented sock lining, a latch engageable with the treadle-operated mechanism to maintain the pressure of the platform against the sock lining to cause adhesion, and means for turning the platform cover while the shoe is held on its support by the latched pressing mechanism.

5. In a machine for use in the manufacture of shoes, a support for an inverted partially completed platform shoe having an upper and a sock lining united by stitching, a support for a platform unit, a lever upon one end of which the platform unit support is rigidly secured, a slide upon which the lever is fulcrumed at a locality between the ends of the lever, a guideway in which the slide is movable heightwise, a pin in the opposite end of the lever about which the lever can swing heightwise, a horizontal guide means for constraining the pin against heightwise movement while allowing it to move horizontally as the slide is moved heightwise, and a treadle connection for moving the slide heightwise to move the platform unit support between a loading position above the shoe support and an operating position wherein the platform unit is laid upon the sock lining.

6. In a machine for use in the manufacture of shoes, a support for a partially completed platform shoe having an upper and a sock lining united by stitching, a support for a platform unit, said platform unit support comprising clamps engageable with the periphery of the platform unit to hold the platform unit in gaged relation to the supported shoe and comprising also a plurality of abutments independently adjustable heightwise of the platform unit to apply pressure against a-face of theplatform unit, and meansf or causing relative movement of said su p ports to bring the platform unit andthe socl r lining together with their adjoining precemented faces pressedagainst each other to cause them t adhereyyf I I 7. In a machine for use in the manufacture-of shoes, a support for a partially completed'plat form shoe having an upper and a soc}: liningunited by stitching, asupport for a platform unit, said platform unit support comprising {a pair of" clamps engageable with thetoeandheelends of a platform unit};sprin'g means for urging one of said clamps toward the otherto hold the platform unit yieldingly, and a pluralitybfabutments independently adjustable-heightwise of therplatfor'munit to apply pressure against a face of thefplatform unit, and. treadle operated means for moving-the platform unit support'to lay the platform unit uponthe'sock lining and to press the platform unit thereagain st to cause the adjoining precemented faces of the platform unit and thesock lining to adhere. 8. In a machine for use in themanu fact-ure, of shoes, a support for a partially :completed plati-j form shoe having an upper, a sock IiningIand a platform cover united by stitching, a pair of clamps engageable with the toeand heel ends of a platform unit to support the platform unit in register with the sock lining, a pair of guides in which said clamps are respectively movable heightwise of the shoe to permit them to be moved from clamping position to a position wherein they will not interfere with subsequent operations upon the platform cover, a support on which the guides are mounted one of the guides being thus mounted for movement toward and from the other, a spring acting upon said movable guide to cause the clamp guided heightwise thereby to be urged longitudinally of the shoe toward the other clamp and thus to cause the clamps to hold the platform unit yieldingly between them, means for pressing the clamped platform unit against the sock lining to cause precemented surfaces on the platform unit and the sock: lining to adhere, and positive means operable after the platform unit has been pressed against the sock lining for moving the clamps heightwise of the shoe to said noninterfering position.

9. In a machine for use in the manufacture of shoes, a support for a partially completed platform shoe having a soon lining and an unturned platform cover secured to the margin thereof,-

a pair of turning horns engageable within the unturned platform cover at opposite ends of the shoe, a common support upon which the horns are pivotally mounted for movement toward and from each other lengthwise of the shoe, means for moving the common support and thereby the horns heightwise to cause the horns toturn the platform cover at both ends of the shoe, and a common means for moving the horns lengthwise of the shoe to increase the distance between them as they move heightwise after their initial engagement with the platform cover to enable them to clear the seam by which the platform cover is stitched to the sock lining;

10. In a machine for use in the manufacture of shoes, a support for a partially completed platform shoe having a sock lining and an unturned platform cover secured to the margin thereof, said support extending within the shoe substantially from one end of the shoe to the other, a pairof turning horns engageable within the un-r

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