Patent ID: 7513065
Filing Date: 2009-04-07
Classification: A43B,A43C

Abstract:
1. A sole structure for a shoe comprising: an upper plate disposed on an upper side of a forefoot region of the sole structure; and a lower plate disposed on a lower side of the forefoot region of the sole structure and located away from the upper plate with a void formed therebetween; wherein a longitudinal path length of the lower plate in the forefoot region of the sole structure is longer than a longitudinal path length of the upper plate in the forefoot region of the sole structure; and wherein the lower plate has at least one convex or concave portion that is elastically deformable into a flatter shape during bending of the forefoot region of the sole structure, such that thereby the lower plate elongates in a longitudinal direction of the sole structure during is bending of the forefoot region.