US1453925A - Manufacture of turn shoes and apparatus for use therein - Google Patents

Description

May I, 1923. v 7 1,453,925

M. L. DODGE MANUFACTURE OF TURN SHQES AND APPARATUS FOR USE THEREIN Filed Dec. 11 1920 3 Sheets-Sheet 1 I w o o llllllllllll May 1, 1923. 1,453,925

' M. L. DODGE MANUFACTURE OF TURN SHOES AND APPARATUS FOR USE THEREIN Filed Dec. 11. 1920 3 Sheets-Sheet May 1, 1923. 1,453,925

M. L. DODGE MANUFACTURE OF TURN SHOES JKND APPARATUS FOR USE THEREIN Filed Dec i1, 1920 v s Sheets-Sheet 5 Patented May 1, 1923.

UNETE STATE MILTON L. DODGE, OF NEWLBURYPOR'I, MASSACHUSETTS.

MANUFACTURE OF TURN SHOES AND APPARATUS FOR- USE THEREIN. 7

Application filed December 11, 1920.

T 0 all whom it may concern Be it known that I, hliL'roN L. DODGE, a citizen of the United States, residing at Newburyport, in the county of Essex and State of Massachusetts, have invented new and useful Improvements in the Manufacture of Turn Shoes and Apparatus for Use Therein, of which the following is a specification.

This invention has relation to the manufacture of turn shoes and particularly those shoes in which a previously molded box is incorporated.

The object of the present invention is to provide a method by which the turn shoe, after it has been lasted and stitched insideout, may be turned, and a previously molded box introduced during the turning operation. It has further for its obj eat to provide a simple mechanism by the aid of which the turning operation and the introduction of the previously molded box into the shoe meg be accomplished simultaneously.

roadly stated, my process or method of accomplishing the result described is to hold the previously molded box against or in close relation to the toe end of the lasted and stitched shoe, after the last has been removed therefrom, and then to turn the forepart of the shoe about the box, thereby accomplishing not only the turning of the shoe but the accurate location of the box within the shoe. In securing this result, the lining of the upper is so held or manipulated that it will be prevented from enclosing the box but will be withdrawn relatively to the box so that it may be inserted into the box after the turning operation of the forepart of the shoe has been completed. That is to say, while the shoe is being turned, the lining at the toe end of the upper is drawn over the top of the box and withdrawn into the shoe so that it may be then projected or inserted into the cavity or opening in the inner end of the box.

Referring to the accompanying drawings, which illustrate an apparatus which may be employed in carrying out my process,-

Figure 1 represents, in perspective view, a shoe-turning and box-inserting machine.

Figure 2 is a perspective view of the instrumentalities by which the box is held during the turning operation, and the lining is Withdrawn and an abutment is aiforded for Serial No. 429,854.

doubling the sole of the shoe upon itself during the turning operation.

Figure 3 shows in side elevation, on a larger scale, the instrumentalities illustrated in Figure 2.

Figure 4 is a plan view of the member which withdraws the shoe lining at the toe end of theshoe. l

. Figure 5 shows detached the box-toe holder. 2

Figure 6 illustrates a shoe after it has been lasted and stitched and while it is inside out or before it has been turned. r F lgure 7 shows the relative position of the parts immediately before the turning opera- Figure 10 illustrates the shoe with the forepart turned.

Figure 11 illustrates the shoe after the turning operation has been entirely completed. I will first describe the'instrument'alities which are illustrated on the drawing and then describe the method of turning theshoe and simultaneously introducing the box thereinto, but it will be understood that the invention is not limited to the particular details of construction possessedby the ma chine which am about to describe and that any other suitable instrumentalities may be employed in lieu of those illustrated with-' out departing from the spirit and scope of the invention as defined in the claims.

As illustrated, the machine comprises a base frame or pedestal 20 in which is supported a spindle 21 provided with a head 22. This head is provided with an upstand: ing bracket 23, having a vertical pivot 24 on g which is journalled a turret 25. The said turret is provided with a plurality of radial members 26 of a suitable shape toenter a lasted and stitched shoe before it is turned.

The turret may be rotated manually to bring any one, of the shoe holders 26 into potential working relation with the box holder to be described. The head 22 is provided with bearings for a horizontal rockshaft '27, having secured thereto an upstanding arm 28 and a breast plate 29. The upstanding arm 28 is provided with an in wardly extendingguide-3O on which a carriage 31 may slide towards and from any one of the shoe holders which is holding the shoe in position to. bBcCll-WLWHL and turned over a box. The carriage 31 may be advanced and -retracted along the guide- 30 by manually-operated means, such, for example, as a treadle 32 connected by a flexible connection. 33. with, a double bell crank 34 pivotedto the hub 35.01? the upstanding arm 28.. The depression offthe treadle 32 rocks the yoked ibell-fcrankBt, and through a link connection 3 6'advances the carriage 31 along the guideSO, as will be readily understood. In additiontothe guide 30,, a box holder is rigidly secured to the upstanding arm 28. Asshown, thisbox holder comprises a bar 37 rigidly secured to the end of the upstanding arm 28..by a set-screw 38, anda box-holding element 39 which is of the proper sizejtoenter the recess in a previously moldedboxf. The member 39, which may .be of woodtor fiber, is substantiallyof the shape and size of the end of the last on I which thei partially manufactured shoe was lasted and stitched. This member. is secured to a shank 40, the reduced .end 41 of which 1 .ing. permitted by the flexible connection between the bellcrank and the treadle 32. The .rock shaft 27 is heldfrictionally in its bearings so that it will remainin any posi tion to .which'it maybe adjusted, although it willyieldto sufficient pressure to enable it to .berocked about its axis.

Thecarriagefil is provided, with-an abutment over which the sole of the shoe may be folded as the shoe-is being turned. This abutment 'compriseswa roller 44, which is mountedupon a lever 45, pivoted by a pivot rod46 to cars or lugsi'l' depending'from the carriage .81. On its outer end, the: lever carries a roll 48 which may-ride on or roll along the bar. 37. .The lever has only a limited rocking movement to permit it to adjust itself to s oles of different thicknesses andidegrees of stiffness.

The carriage. 31 is'also provided with a lining-withdrawing member. .This element consists of a strip 49,-preferably of resilient metal, which is secured by screws 50 to the top,.o f' the carriage. 31 so as to present a flexible'spring blade 51 which extends inwardly from the end of the carriage and is of proper dimensions to enter between the box and the upper lining atth'e toe endof the upper. If desired, the extremity of the blade 51 may be provided with teeth as indicated at 52, although in actual practice I find that these teeth are not necessary. I have not illustrated andslra-ll not describe in detail theparticular mechanism by which the turret-holding bracket 23 is adjusted Vertically, nor the means b which the rockshaft 27 and the parts carried thereby-may. be adjusted towards and from the turret pivot, as anysuitable mechanism may be employed for accomplishing these results. There are on the market at the presenttime machines not unlike the one herein. described except that, of course, such mas chines are not provided with the box-toe holder nor the member for withdrawing the lining as the shoe is being turned, and such machines have mechanism for adjusting. the turret bracket and adjusting the shaft 27.

The method of simultaneously turning-a shoe and locating a box therein,.with the aid of the instruinentalities thus described,

may be explained as follows. Aftertheshoe has been formed insideeout, as shown -in.

Figure 6, and the upper has been stitched. to the sole, leaving the lining a unattached. to the sole at the toe end of the shoe. but. with. theleather upper or the cap. 5 stitched to the sole, the last is withdrawn, and the shoe in this condition is placed upon'one of the shoe 'holders26 so that the endof the holder bears against the inner wall of the toe end of the shoe. An initially molded toe box 0 with a fore Jart filler (Z are assembled, and they are placed on the box-toe holder 39, this being accomplished when the arm 28 has been rocked. to one side, The arm is then rocked to vertical position to bring the extremity ofthe box into engage ment with the extremity of the shoe, as best shown in Figure 9.

in the last-mentioned figure.

or in Figure 7 so as to project the abutment roll 44 under thesole of the shoe. The op erator then, pressing against thebreast plate When this is done, the lining withdrawing.blade 51 is inserted be tween the lining a and the upper, as shown The carriagev 31 is advanced from the position showninf Figure 3 to the position shown in Figure '9 29 with his body, grasps the upper of the shoe, flexing the sole 6 and drawing the shoe towards him. him, he gradually releases the pressure. on

the treadle 32, which he had previously dcf pressed to force the carriageinto the posttion shown in Figure 7 and, as the shoeis thus gradually turned towards the operator,"

it gradually enclosesth e box which is held against recesslonal movement; As the'car also withdrawn with' it, and, by its engage- As he draws the shoe towards" .riage' is withdrawn, the lining retractor is ment with the lining, draws the end of the lining over the box in unturned condition, until, when the turning operation of the forepart is completed, the loose flap of the lining is located in front of the opening into the box. As the turning movement is carried on by the operator, the pressure on the treadle is gradually released as described, until, when the turning operation is finished, the treadle is in its uppermost position and the carriage is retracted to its outermost position. The operator now swings the carriage and its supporting members to one side and removes the partially turned shoe from the box holder on which it is now supported. Then, with his finger or by the aid of a suitable'implement, the loose end of the forepart lining is forced into the box and is smoothed therein so as to fit within the box without the formation of wrinkles or pleats. Then the rear part of the shoe may be easily turned by hand and the entire turning operation is thus finished. If desired, however, prior to the turning of the rear part of the upper, a previously molded counter-stiffener may be assembled with the sole in accordance with methods already known.

Of course it will be understood that the shoe must be in proper temper to permit the sole to be doubled or flexed and the upper to be turned and drawn over the stationarily held box.

So far as I am aware, I am the first to have proposed the simultaneous turning of a shoe about a stationarily held box previously unattached to the shoe so as to accomplish in one operation the turning of the shoe and the accurate location of the box within the shoe.

Obviously the same results could be secured if, instead of holding the box stationarily and drawing and turning the shoe over and about the box, the shoe were held at a point remote from the end and the box were forced against the toe end, so as to turn the shoe and project the box into the shoe; and, of course, the claims are intended to cover such an obviously equivalent step. While I have described my process particularly with reference to the incorporation of a previously molded toe box into a turn shoe, it is evident that such process may be utilized in incorporating in the shoe, during the turning operation, any previously molded form which becomes an assential or permanent part of the finished or completed shoe. It is, of course, desirable to prevent the form from collapsing during the turning operation, and the holder is therefore shaped for insertion into such form and to sustain the walls thereof when under pressure.

What I claim is 1. That improvement in the art of making turn shoes which comprises holding a preform to inclose it, and then removing suchholder from said form.

8. That improvement in the art of making turn shoes, which comprises holding the end of a previously molded toe box in alinement with the end of a lasted but unturned shoe, and then turning the shoe about the box.

4. That improvement in the art of making turn shoes, which comprises holding the end of a previously molded toe box in alinement with the end of a lasted but unturned shoe, then turning the shoe about the box, and

drawing the upper lining at the toev end of 1 the shoe over the box to a point beyond the opening in the box.

5. That improvement in the art of making turn shoes, which comprises holding the end of a previously molded toe box in alinement with the end of a lasted but unturned shoe, then turning the shoe about the box, drawing the upper lining at the toe end of the shoe over the box to a point beyond the opening in the box, and then introducing the upper lining into the box.

6. That improvement in the art of making turn shoes, which comprises assembling a previously molded toe box and a forepart filler, holding the end of said box in alinement with the opposing toe end of a lasted and stitched but unturned shoe, and then turning said shoe over and about said box and filler.

7. That improvement in the art of. making turn shoes, which comprises holding a previously molded form adapted to become a permanent part of the finished shoe in position against an unturned shoe, but unattached thereto, turning the shoe upper about said form, and inserting the lining of the shoe within said form.

8. That improvement in the art of making turned shoes, which comprises holding a previously molded form adapted to become a permanent part of the finished shoe in position against an unturned shoe, but unattached thereto, turning the shoe upper about said form while permitting the lining to remain unturned, and then turning the lining within said form.

9. An instrumentality for turning shoes, comprising a box-toe holder, a shoe holder adapted to be brought into registration with the hd' of the box confronting the and of the shoe, and a lining retractor movable relatively to the box-toe holder.

10. An instrumentality for turning shoes comprising a box-toe holder, :1 shoe holder adapted to be brought into registration With the end of the box confronting the end of the shoe e lining retractor movable relatively to the box-toe holder, and means for 10 moving said retra'ctor.

the box-toe holder, and a sole abutment'and a lining retractor supported on and movable With said carriage.

In testimony whereof I have affixed my signature.

MILTON L. DODGE.

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