US1634537A - Resilient lift for boot and shoe heels - Google Patents

Description

July 5, 1927.. 1,634,537

0. EMANUELE RESILIENT LIFT FOR BOOT, AND SHQE HEELS Filed Auz. 29, 3 1923 Patented July 5, 1927. I

: UNITED STATES CHARLES EMANUELE, OZF CLEVELAND,'OHIO, ASSIGNOR ONE-HALF TO FRANK 31 DEIBEL,OF CLEVELAND HEIGHTS, OHIO.

RESILIENT LIFT FOR BOOT AND SHOE HEELS.

Applicationfiled August 29, 1923. Serial No. 659,909.

This invention, like that which constitutes the subject matter of my earlier application,

SerialNo. 636,515, filed May 4, 1923, relates to improvements in supplemental lifts of re silientrmaterial for use onfheels of boots and shoes and commonly referredto as rubber heels.

The objectsof my present invention are to produce a liftof the above mentioned character that is simple and economical of manufacture; that is made up of a body of rubber or the like having a cavity, and an insert of leather or similar material that is substantially the same shape as, but somewhat larger in area than, the cavity and which is adapted to be forced into the cavity and thereby impart to the lift "the very desirable concavo-convex shape so that when the lift is applied to the boot or shoe heel and drawn down fiat against the same, the edge portion of the lift is maintained in firm contact with the edge of the heel, and without the need of cement, thereby avoiding a separation at this oint that would 1 give to the heel an unsight y appearance; to

form the cavity of such shape that aportion of the material of the lift remains of its normal thickness within the cavity and about which portion the insert extends so as to preserve the maximum of resiliency and wearing surface and thus prolong the life of the lift; to produce a lift of the aforesaid character that is particularly convenient of attachment; that permits a variable location of the nails that are used for holding the lift to the boot or shoe heel; and that allows for the use of small nails for attaching the lift particularly to wooden heels, such as the average French heel that is used so extensively on womens shoes, thereby eliminating the very common danger of splitting wooden heels when applying rubber lifts thereto.

These objects, with others hereinafter appearing, are attained in the construction illustrated in the accompanying drawing wherein Fig. 1 is a perspective view of my im roved lift applied to a so-called French hee Fig. 2 is a'similar view of a larger size lift applied to the heel of a mans shoe; Fig. 3 represents a section on the line 33 of Fig. 2; Fig. l is a perspective View of the insert; Fig. 5 shows the insert and lift in section and in separated condition; and Fig. 6 shows them assembled.

In all essential respects, the lifts shown in Figs. 1 and 2 are the same, and their corresponding parts will be designated by, the same :reference characters- In each of these views and in Fig.3, the shoe heel is designated A The supplemental lift 1 is of rubber 'or other suit'able resilient material, and within its outer surface is formed a cavity 2. The

cavity is of a depth enough less than the thickness of the lift to leave a substantial wall between its bottom and the under surface of the lift. Also, it is so shaped that a core 5 of the material of the lift, and of the normal thickness thereof, remains within the cavity.

An insert 6 of leather, or other substance suitable for the purpose, and of substantial ly the same shape as, but preferably of somewhat greater area than the cavity is adapted to be forced into the cavity so as to impart to the lift the concavo-convex condition illustrated in Fig. 6.

-With the parts so assembled, the lift may be applied to the shoe heel A. Nails 7 are driven through the insert andinto the shoe heel to draw the parts firmly together and hold them in such condition, the lift resuming and maintaining its former flat shape, but under tension, so that a tight joint between the adjacent edge portions of the lift and heel are assumed. It may also be explained that when the lift is forced to resume its flat condition with the insert in the cavity the edge portion of the lift, and the core 5, will be compressed and the wearing qualities ofsaid parts thereby enhanced.

By using such material as leather for the insert 6 the nails 7 may be driven where it is found most convenient and they are not restricted to a definite location as is the case with rubber heels where washers are embedded therein which define the nail holes. This becomes especially important when replacing lifts as it allows the nails to be shifted somewhat from the location of the former nails thereby to miss the holes that are already in the heel. It will be understood that I do not limit myself to the use of leather for the insert 6, as other materials, such as compositions having somewhat the qualities of leather, or suitable metals, may be employed in lieu thereof.

It is apparent from this disclosure that my invention provides a supplemental lift for heels of boots and shoes that is much cheaper and more simple of manufacture than prevailing types of rubber-heels here metal Washers have to be embedded in the heels in the process of manufacture, and, in many instances, Where the heels have to be made with concaved or dished under surfaces. On the other hand, With my simplitied and cheapened construction, I have many obvious advantages over the types of rubber heels heretofore used.

Having thus described my invention, What- I claim is:

A heel lift of elastic material having a three-sided cavity in its outer side, said cavity being of a depth enough less than the thickness of the lift to leave an integral, comparatively thick Wall of the material between the bottom of the cavity and the inner surface of the lift, and an imp-erforate, opencenter triangular insert of relatively nonelastic material adapted to be fitted Within said cavity, said insert being considerably less in thickness than the cavity is deep and having a greater area than the normal area of the cavity whereby when the insert is forced into the cavity it Will impart a concavo-convex condition to, and in all direc-' tions throughout the entire area of, the lift, and attaching means adapted to be driven at optional locations through the insert and the underlying Wall of material.

In testimony whereof, I hereunto affix my signature.

CHARLES EMANUELE.

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