Downhill skiing equipment for a person with a lower limb...

Details Downhill skiing equipment for a person with a lower limb... Downhill skiing equipment for a person with a lower limb...

A - Human Necessities

63

C

A63C 5/00 (2006.01)

Patent

CA 2178920

Downhill skiing equipment for a person with a lower limb disability, wherein a base (10) attached to a ski comprises a forward pivot pin (27) for an arm (30) supporting a shell (32) for receiving the pelvis of the skier. A cushioning spring (40) is hinged to the base (10) and arm (30) about hinge pins (44, 45) parallel to the pivot pin (27) and differently spaced therefrom. The relative positioning of the hinge pins (44, 45) and the pivot pin (27) and the choice of cushioning spring (40) are such that said spring stiffens when it reaches a condition of maximum stress as the shell (32) moves closer to the base (10) during skiing.

La présente invention concerne un appareillage destiné à permettre la pra- tique du ski alpin à un skieur handicapé des jambs. Une semelle (10) liée au ski définit, vers l'avant, un axe de bascule- ment (27) pour un bras (30) portant une coquille (32) de réception du bassin du skieur. Un ressort-amortisseur (40) est articulé sur la semelle (10) et sur le bras (30) autour d'axes d'articulation (44, 45) parallèles à l'axe de basculement (27) et différemment écartés de celui-ci. Ce positionnement relatif des axes d'articulation (44, 45) et de basculement (27) et le choix du ressort-amortisseur (40) sont tels que la réaction opposée par ce dernier à un rapprochement de la coquille (32) par rapport à la semelle (10), pendant la pratique du ski, se durcisse lorsque le ressort-amortisseur (40) approche de son état de sollicitation maximale.

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