Patent ID: 8333020
Filing Date: 2012-12-18
Classification: A43B,A63B

Abstract:
1. A shoe assembly, comprising: A) a shoe member having an upper and a sole, said sole including front and rear ends, inner and outer sides, and a longitudinal cavity extending along the front end of said shoe member and said cavity extending continuously a predetermined distance towards said rear end, said cavity further defining upper and lower portions of said sole and said lower portion including an upper surface; B) a fin assembly including at least two elongate resilient support members with first and second ends, said first ends being pivotally mounted to said sole at cooperative positions within said cavity and one of said support members being the closest to said inner side and having sufficient length to be brought in sufficient abutting relationship with the other support member or members to cause the latter to come within and stay within said cavity upon the exercise of a force of a predetermined magnitude to pivot and bend said support members and being movable between a retracted and a deployed position, said retracted position having said fin assembly completely housed within said cavity, and the other extreme position having said fin assembly deployed substantially outside said cavity and further including at least one web portion connecting said at least two elongate support members; C) means for selectively keeping said fin assembly in said deployed position; and D) means for selectively keeping said fin assembly in said retracted position.