Back to results
US 7,441,347 B2Granted
Shock resistant shoe
OwnerFrancis E. LeVert, David Krafsurinventors
Life of this patent
Estimating the term…
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.
Claims7
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.
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.
1 more element
Dependencies are inferred from the claim text.