US2156342A - Cushion heel - Google Patents

Description

c. z. LlTscHERT 2,156,342

CUSHION HEEL May 2;, i939.

Filed May 2l, 1938 BITE- ZI ./4 I l? /g /6 /5 /a "7, Z/ 22@ ,0 23 2M f /z/f// i; /f/f/z'f// /5a /ff 0 E 22.4 y

1 E553 :n rIE-lj w .53 9 I v 25 :inventor C19/62 Z'. frscHfer Gttorneu Patented May 2, 1939 UNITED STATES PATENT OFFICE 3 Claims.

My invention relates to lifts and heels for shoes and in particular to that type of heel which permits maximum resiliency to extreme edge of heel.

One object is to provide a means whereby a rubber heel may be superimposed over a lift without the use of nails.

Another object is to provide a cushion tread by providing air spaces between the lift and the heel entirely around the heel adjacent the outer edge thereof where resiliency is most needed as is shown by the obvious w'ear at this point.

Ano-ther object is to provide a lift and heel of simple construction and easy application which will have a longer life and tend to increase comfort in Walking.

These and other objects and advantages may be noted from the following specification and its accompanying illustration in which:

Fig. 1 is a top plan view of the heel.

Fig. 2 is a bottom plan view of the lift.

Fig. 3 is a section through'the assembled heel and lift.

Fig. 4 is a perspective view of the assembled heel and lift with the lift partly broken away.

Fig. 5 is a modified form of Fig. 3 showing a slightly different heel.

Fig. 6 is a section sho-wing a modified form for partial replacement tread where heels are nailed Fig. 7 is a section showing a full sized tread without the air space, also for replacement.

Again referring to the illustration, a lift Il] has a groove II on the lower face adjacent the edge of said lift and entirely therearound is shown in Fig. 2.

A heel i2 is shouldered adjacent the edge at I3 said shoulder forming a projecting rib I4 therearound. A wedge shaped flange l5, under cut at Ilia and |511, through the middle of thc top surface of the heel I2 has a V-shaped groove I6 along the middle thereof. The rib Ill is undercut at Illa and Mb on` one side and at I4c on the opposite side, as shown in Fig. 3 specifically, for greater resiliency, said undercuts tapering out as shown by dotted lines in Fig. l.

When the heel I2 is cemented to the lift I0, the cement I1 is placed in the groove II of the lift I and on the rib I4 of the heel I2, the rib I4 being inserted in said groove II there is thus formed an air space I8 between the lift l and the heel I2, around the entire inner edge of the rib I4.

As no nails are used in the construction or assembling of this heel and lift the resultant wear is greatly diminished and the resiliency is actually increased.

In the modified form illustrated in Fig. the lift IIJ with its groove I I is the same as that hereair chamber is used in this type of partial replacement.

Fig. '7 illustrates a full sized tread replacement without an air chamber, the tread or heel 3U has a projecting rib 3l inserted in a groove 32 in the lift 33 and cemented therein.

My construction provides maximum resiliency. The rib I4 being grooved on both sides, and extending completely around top edge of lower lift, results in resiliency at extreme edge of. heel, which is where it is mostly needed, as worn heels plainly indicate.

The supporting flange in the center is also grooved in such a manner so it will not interfere with any resiliency within the wall.

The rib projecting from the top of the heel, the groove in upper lift for receiving this rib and the top of the center flange or rib are used for cementing the lifts together.

As no nails are used with this construction the resiliency of the heel actually increases with wear, while it decreases with Wear where nails are used and where there is no air space.

The rib and groove construction can also be used for a partial replacement tread where heels are nailed on as shown in Figure 5 and also for a full size tread without the air spaces as shown in Figure 7.

This rib and groove method of attaching prevents any water or moisture from coming in contact with the cemented parts, in case any part of the edge should become accidently loosened.

I claim:

1. A cushion heel comprising a lift having a groove extending around the bottom surface near the outer edge thereof, and a resilient tread having a rib extending around the top surface thereof and tting in the groove, the said top surface having air pockets between the lift and heel tread when said parts are fastened together, the said top surface of the tread also having a middle flange projecting to contact with the lift.

2. A cushion heel asin claim 1, the sides of the rib being undercut to increase the resiliency thereof.

3. A cushion heel as in claim 1, the flange being undercut at its sides.

' CARL Z. LITSCHERT.

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