Patent ID: 6516539
Filing Date: 2003-02-11
Classification: A43B

Abstract:
A shock absorbing device for a shoe sole comprising:a lower layer having an upper face; and an upper layer having a lower face; wherein the two layers are both made of an elastomer, the upper face of the lower layer and the lower face of the upper layer are each substantially corrugated in their sectional configurations, the faces each have a plurality of top portions, a plurality of bottom portions, and a plurality of inclined portions joining the top portions and bottom portions, with the faces each being formed from essentially a smooth and continuous curvilinear surface, the upper face and lower face mate with each other, the two faces are in contact with each other at the inclined portions of the faces, the two faces are spaced apart from each other via spaced-apart portions defined by the two faces at least at either the top portions or the bottom portions, with gaps being formed at the spaced-apart portions.