US1516305A - Shoe construction - Google Patents

Description

*Patented Nov. 18, 1924,

UNITED STATES PATENT OFFICE.

J OHN D. -PBIC AND WAL1ER HENRY DRAKE, Q1! CIEVELND, H10.

1SHOE CONSTRUCTION.

Application filed October 31, 1922. Serial No. 598,132,

Ta alZ whom z't may concern:

Be it known that we, JOHN D. Pmon and WALTER H. DRAKE, citizens of the United States, "residing at Cleveland, in the county of Cuyahoga and State of Ohio, have in vented certain new and useful Improvements in Shoe Constructions, of which the following is a specification.

This invention relates to shoe construm tins and has for an object to provide a shoe constructed of such material and combined in such manner as to o0nstantly and at all times provide an interior sole construction, presenting a convex surface to the ball of the foot and concaved surfaces to otheiparts of the foot.

It is well known and has been repeatedly demonstrated that the natural requirement of the foot for the proper support of its anatomical structure is that of an upwardly curved member so that the foot itself, when so positioned, shall be concaved upon its tread surface. Attempts have been made to accomplish this in shoe construction but, by reason of the material employed and the manner of construction, such convexity of sole surface, although originally provided,

is not maintaihcd owing to the exigencies of wear. r 9

The present invention is, therefore, directed in part to the employment of a member or unit entering into the sole which has an initial curvature and formation corresponding to the anatomical requirements of the foot, which said curvature by reasonof the material will be maintained 'throughout the life of the shoe. As at present apparent, this member will be composed of metal of some kind, also as. it at present seems this metal will preferably be tempered steel, and the invention further embodies .means for employing this spring member to maintain it out of contact With the foot and the ground and to. yet maintain all parts in the desired shape and provide that desired springiness of action requisite .to easy walking. 7

Irrespective of materials or manner of making, the present invention is directed to a shoe which has upon its innr sole surface a convexity which it maintains thronghout the life of the shoe.

With these and other objects in view, the invention Comprises certain novel parts, clements, units, combinations, constructions and arrangements as disdosed in the d1*av.v-

ings together with mechanical and material equivalents thereof as will be hereinafter more fully describcd and claimed.

In the drawings: Figure 1 is a view in transverse section of a shoe embodying the present invention. Figure 2 is a top plan view of the spring or resilient member removed.

Figure 3 is a longitudinal section view through the spring member taken on line 33 of Figure 2.

Figure 4: is a transverse sectional view across the spring member taken on line 44 of Figure 2.

Figures 5, 6, 7, 8 and 9 are likewise transverse sectional views taken "on lines indicated. 7

Likecharacters of reference indicate corresponding parts throughout the several views.

In a co-pending' application Serial No.

598,131 filed on even date herewith, a means for attaching the upper to 8. construction which will include a metal plate is disclosed. In that application as well as in the present application, the term metal plate is employed toindicate any {plate of sheet inetal or the like which will embody and provide the requisrite or dlesired ,features of springiness, elasticity, resiliency, and be water-proof, or such, all or several as circumstances may malte desirable, and the term metal plate is to be understood as in no way limiting the invention to such material, as other materials, such for instance as vulcanites or the like, may at sometnne be found acceptable or even preferable in the construction of the shoe and the present' invention includes' any and all such material.

The desideratum of the invention is that this plate 10 shall be so constructed, shape'd and contourcd as to present to the ball of the foot or the walking part a convex surface, as indicated by the bowed line in Figure 1 which is taken across the ball of the foot or substantiall corresponding to line 6-6 of Figure 2. t will be noted that a foot positioned in a shoe of such contourcomprising the upper ll,insole 12 and outer sole 13 will bear upon a convexed surface which is there represented by a liner 14 covering over the metal plate 10, and with the edges of such liner folded over and abouttheeges of the metal plate and under the edges of the ins0le 12 and secured by steples 15. The

present invention is not in any way limited to this fastening means, either including the staples 15 or even the exact manner of turniiig the edges of the liner and the edges of the up cr under the insole for securing thereto. guch invention as may be 'involved in this feature is included in said co-pending application.

The metal plate 10. as will be noted, at the principal walking position, as for instance represented by theline 66 in Figure 6, is an upwardly curved or convexed surface, the ball of the foot resting directly upon its convexed surface. This convexity decreases toward the toe so that at the line 5-5 the sole is neither convexed nor concaved but is concaved at the line 4-4. Also at the line 77, as disclosed by Figure 7, this member is substantially plane, and the heel part of the plate is aga1n concaved at the fines 88 and 99 as indicated by the figures corresponding thereto. It will also be noted that longitudinally the plate is concaved throughout the length including the foot from the arch to the toc. The metal plate 10 is, of course, stamped out or other wise formed to correspond with these desired lines and contours and, when placed in the shoe with the liner covering over the surface adjacent the foot and properly attached to the sole, it maintains its shape during the life of the shoe. The formation of the insole by skiving the edges to form the center thicker as indicated at 16 in Figure 1 Will be obvious to one skilled in the art as it is naturally desirable that the sole 13 present a surface which will correspond to the usual surface being walked upon, or in other words a surface made up of transverse straight lines.

It is again emphasized that, while the means for employing this spring member in association with other parts as disclosed in the drawings is found a desirable means and one Which' it is thought Will be employcd, the present invention is in no way limited thereto and includes the employment of a spring or resilient plate contoured to the desired shape for a tread surface and included in a shoe organization in any manner.

What we claim is:

1. An inner sole construction for shoes, embodying a plate of rigid material attenuated to resiliency and presenting a uniform convexity transversely at the locus of the ball of the foot, an insulating covcring member for the plate, and means to attach the insulating cover to maintain the plate in position.

2. An inner sole construction for shoes, embodying a plate of rigid material attenuated to resiliency and presenting a uniform convexity transversely at the locus of the der the plate, and means engagin the margmal edges for maintaining the p ate in position.

3. An inner sole forshoe's, composed of.

material attenuated to resiliency and presentmg a un1form convex1ty transversly en-' tirely across at the locus of. the ball of the foot, an insulating' cover for the plate, and

means to attach the insulating cover to maintain the late in position.

5. An 1nner sole construction for shoes embodying an' imperf0rate plate cf rigid material attenuated to resiliency and presenting a uniform ccnvexit; transversely entirely across at the locus of the ball of the foot, a fabric covering for the plate having its marginal edges turned under the plate,

and means engaging the marginal edges for maintaining the plate in position.

6. An inner sole for shoes, composed of an imperforate plate of rigid material attenuated to resiliency and presenting a uniform convexity transVersely entirely across at the locus of the ball of the foot with a transversel concaved portion at the locus of the heeli 7 An inner sole construction for shoes embodying an imperforate plate of rigid material attenuated t0 resiliency and presenting a uniform convexity transversely entirely across at the locus of the ball of the foot'with a transversely concaved portion at the locus of the heel, an insulating covering member for the plate, and means to'attach the.insulating cover to maintain the plate in position.

8. An inner sole construction for shoes, embodying an imperforate plate of rigid material attenuated to resiliency and presenting a uniform convexity transversely entirely across at the locus of the ball of the foot with a; transversely concaved portion at the locus of the heel, a fabric covering for the plate having its marginal edges turned under the plate, and means engaging the marginal edges for maintaining the plate in position.

9. An inner sole l'or shoes, composed of an imperforate plate of rigid material attenuated to resiliency and presenting a uniform convexity*transverseh entirely across at the locus of the ball of the foot with a transversely concaved portion at the locus of the heel connected by an upwardly bowed, arched portion.

10. An inner sole construction for shoes, composed of an imperforate plate of rigid material attenuated to resiliency and presenting a uniform convexity transversely entirely across at the locus of the ball of the foot With a. transversely concaved portion et the locus of the heel conneeted by a cylindrical segmentupwardly bowed, arched portion, en insulating cover for the plate,end means to attach the insulating cover to maintain the plate in position.

11. An inner sole construction for shoes, embodying an imperforate plate of rigid material attenuated to resiliency and presenting a uniform convexity transversely entirely across at the locus of the ball of the its marginal edges turned under the plate,

and menus engaging th e marginl edges for maintaining the plate m position.

tures.

JOHN D. PRICE. WALTER HENRY DRAKE.

In testimony whereof We afiix Olll signa- 2

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