IP Library › Granted Patent US 7,441,347
Granted Patent B2
US 7,441,347 · App. 11/174,021 · Granted Oct 28, 2008

Shock resistant shoe

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Quick Facts
Patent No.
US 7,441,347
App. No.
11/174,021
Granted
Oct 28, 2008
Kind
B2
Abstract

A sole assembly for a shock resistant shoe includes a sole having a heel region and a ball region. A first cone spring, disposed within the sole, includes a large diameter terminal end and an opposing small diameter terminal end. The large diameter terminal end is disposed above the small diameter terminal end.

Claims (12)

1. A sole assembly for an article of footwear comprising:

a sole having an outer sole, a heel region and a ball region: only a single cone spring having an axial center line and disposed within a region selected from said bull region, said cone spring including a large diameter terminal end, and an opposing small diameter terminal end, said large diameter terminal end being disposed above said small diameter terminal end, and,

a compression limiter mounted in a manner so as to prevent the total compression of the cone spring when pivoting over the small diameter terminal end of said cone spring during the rolling motion of a foot strike.

2. A sole assembly in accordance with claim 1 and further comprising a wave spring located in said heel region of said sole.

3. A sole assembly in accordance with claim 1 wherein said cone spring is at least partially encapsulated in low density foam.

4. A sole assembly in accordance with claim 1 and further comprising a second cone spring disposed within said heel region, said second cone spring including a large diameter terminal end and an opposing small diameter terminal end.

5. A sole assembly in accordance with claim 4 wherein said sole defines a second vacuity and said second cone spring is disposed within the second vacuity.

6. A sole assembly for an article of footwear comprising:

a sole having an outer sole, a heel region and a ball region; a first cone spring disposed within said ball region of the sole, said cone spring including a large diameter terminal end and an opposing small diameter terminal end, said large diameter end being disposed above said small diameter terminal end;

means of limiting full compression of said spring disposed within the ball region to allow pivoting across the small diameter terminal end of the cone spring;

a second cone spring disposed within said heel region having a large diameter end and an opposing small diameter terminal end with the small diameter terminal end adjacent to the outer sole.

7. a sole assembly in accordance with claim 1 and further comprising a second cone spring having an axial center line and disposed with a region selected from said ball region and said heel region, said second cone spring including a large diameter terminal and an opposing small diameter terminal end, said large diameter terminal end being disposed above said small diameter terminal end to provide a second smaller pivot adjacent to said outer sole, said outer sole including a flex line within a vertical plane that includes said axial center line of said first cone spring and said second cone spring.

Continuity (2)
Continuation In Part 1033579700 · Jan 2, 2003
Related Publication 20050241184A1 · Nov 3, 2005