Device for the adequate alteration of the longitudinal bow...

Details Device for the adequate alteration of the longitudinal bow... Device for the adequate alteration of the longitudinal bow...

A - Human Necessities

63

C

A63C 9/00 (2006.01)

Patent

CA 2190842

Skis are manufactured so as to have a convex longitudinal curvature in the unloaded state. This ensures that the ski has good contact with the snow, keeps to the track and does not chatter during skiing, but impedes turning the skis and skiing through narrow curves. However, by securing two Z-shaped rigid levers (10) with a power arm (11) and a load arm (12) to a ski (1) such that the power arms (11) are positioned under the heel or toe of a ski boot and by variously distributing the weight (Gh, Gv) on the power arms (11), the tail (3) and/or tip (2) of the ski are/is lifted and the ski (1) obtains a concave longitudinal curvature.

Lorsque les skis ne sont soumis à aucune contrainte, ils présentent une courbure longitudinale convexe, résultant de leur technique de production. Cette courbure assure au ski un bon contact avec la neige, une trajectoire stable et empêche son flottement. Elle entrave cependant la rotation du ski et l'amorce de virages serrés. On peut néanmoins soulever les extrémités arrière (3) et/ou avant (2) des skis et obtenir ainsi une courbure longitudinale concave du ski (1), en fixant deux leviers rigides en forme de Z, au moyen d'un bras de force (11) et d'un bras de puissance (12) de sorte que les bras de force (11) soient placés sous le talon ou sous la pointe d'une chaussure de ski, et en appliquant différents poids (Gh, Gv) sur les bras de force (11).

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