B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/12 (2006.01)
Patent
CA 2436497
A snowmobile is propelled by an endless track that is operatively connected to the snowmobile's engine by two drive sprockets. Each drive sprocket includes one set of external teeth and two sets of internal teeth that engage three corresponding sets of track teeth formed on the track. Alignment cleats are mounted on the inside of each of one of the sets of track teeth. During low-load operation, contact between the cleats (and the track teeth on which the cleats are mounted) is minimized or eliminated, which reduces or eliminates noise caused by collisions between the metal sprocket and the metal cleats. During higher load operation, the track deforms such that the set of external sprocket teeth engage the cleats and associated set of track teeth. 21
Belzile David
Bertand Eric
Girard Dominic
Bombardier Inc.
Bombardier Recreational Products Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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