Patent ID: 7290354
Filing Date: 2007-11-06
Classification: A43B

Abstract:
1. A shoe suspension system adapted for use with a shoe or boot comprising: an upper sole engaged to a bottom of the shoe or boot having an upper toe sole and an upper heel sole, the upper toe sole being pivotally engaged to the upper heel sole; a lower sole having a lower toe sole and a lower heel sole, the lower toe sole pivotally engaged to the lower heel sole; at least one secondary tandem hinge pivotally engaged between the upper toe sole and the lower toe sole, the secondary tandem hinge adapted to open and close, maintaining a parallel relationship between the upper toe sole and the lower toe sole; a plurality of primary tandem hinges pivotally engaged between the upper heel sole and the lower heel sole, the plurality of primary tandem hinges adapted to open and close whereas the upper heel sole is held in horizontal synchronization and parallel to the lower heel sole by means of at least one telescoping horizontal guide tube and telescoping horizontal guide rod; and at least one return spring engaged between the upper sole and the lower sole.