Shoe and foot prosthesis with bending beam spring structures

A - Human Necessities – 43 – B

Patent

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Details

A43B 13/18 (2006.01) A43B 13/20 (2006.01) A43B 21/30 (2006.01) A61F 2/66 (2006.01) A61F 2/00 (2006.01) A61F 2/50 (2006.01)

Patent

CA 2206433

A midsole system for a running shoe or foot prosthesis have a sole spring, a heel spring and/or a forefoot spring; the system stores energy of foot impact and releases it during the running cycle. A preferred embodiment provides bending beam sole systems for shoes or foot prostheses comprising a bending beam heel spring, a bending beam forefoot spring, a two-coupled spring sole system, or a three-coupled spring sole system. The sole systems of this invention maximize stability, cushioning, and walking or running economy.

La présente invention concerne un système à semelle intercalaire destiné à des chaussures de course ou à des prothèses de pied qui comporte un ressort de semelle, un ressort de talon et/ou un ressort d'avant-pied et qui emmagasine l'énergie de l'impulsion du pied pour la restituer au cours du cycle de course. Un mode de réalisation préféré de cette invention consiste en un système de semelles à structures allongées et flexibles, destiné à des chaussures ou à des prothèse de pied, qui comporte une structure flexible à effet de ressort pour le talon, une structure flexible à effet de ressort pour l'avant-pied, un système à deux éléments couplés à effet de ressort logé dans la semelle ou un système à trois éléments couplés à effet de ressort également logé dans la semelle. Les systèmes de semelles conformes à la présente invention permettent d'optimiser la stabilité, l'amortissement et l'économie des efforts de marche et de course.

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