B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/104 (2006.01) B62M 27/02 (2006.01)
Patent
CA 2282787
A snowmobile suspension system used to suspend the drive belt of a snowmobile between extended and retracted position is described herein. The snowmobile suspension system is provided with a pair of side rails to guide the drive belt, a pair of suspension arms each having a proximate end pivotally mounted to the snowmobile and a distal end pivotally mounted to both side rails, shock absorbers and compression springs provided between the side rails and the snowmobile to bias the side rails towards their extended position, and a progressive spring assembly mounted to the side rails to prevent forceful contact between the side rails and the undersurface of the snowmobile. The side rails are advantageously made of composite material and present a concave undersurface. The pivotal attachment of the distal end of the rear suspension arm to the side rails is advantageously made via an adjustable cam assembly allowing the user to modify the characteristics of the snowmobile suspension system.
Boivin Alain
Boivin Denis
A. & D. Boivin Design Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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