Footwear shock absorbing system

A - Human Necessities – 43 – B

Patent

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Details

A43B 13/28 (2006.01) A43B 13/12 (2006.01) A43B 13/14 (2006.01)

Patent

CA 2298519

A shock absorbing cassette (20, 40, 80, 90) for the midsole of an article of footwear is described. The shock absorbing cassette (20) has a cassette base (27), first and second sets of cushion elements (21-22, 23-24), and a reduced height cushion element (25) inbetween the first and second sets of cushion elements. The cushion elements are arranged to cushion the heel of the foot. The shock absorbing cassette may be part of a shoe sole shock absorbing system that also includes an insole board (8) having forefoot slits (9) to improve flexing, a thin midsole (10) with a heel pocket for seating the cassette, and a durable outsole (30).

L'invention porte sur une cassette (20, 40, 80, 90) d'absorption des chocs s'adaptant dans la semelle intercalaire d'une chaussure de sport. Cette cassette (20) comporte une base (27), des premier et second ensembles de coussins (21-22, 23-24) et un coussin (25) plus petit placé entre les premier et second ensembles, ces ensembles de coussins étant disposés de façon à amortir le talon. La cassette absorbant les chocs peut être intégrée au système d'absorption des chocs de la semelle de la chaussure, système qui comprend également une première semelle (8) pourvue de fentes (9) à l'avant-pied de façon à améliorer la flexion, une semelle intercalaire fine (10) comportant une poche au niveau du talon de façon à loger la cassette, et une semelle d'usure (30).

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