B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/24 (2006.01) B62D 11/00 (2006.01) B62D 55/08 (2006.01) B62D 55/18 (2006.01)
Patent
CA 2371787
A novel mountain snowmobile comprises a frame, an engine disposed on the frame, at least one ski disposed on the frame, a seat disposed on the frame, a steering device disposed on the frame forward of the seat that is operatively connected to the at least one ski for steering the snowmobile. and a novel long length drive track disposed below the frame and connected operatively to the engine for propulsion of the snowmobile. The novel drive track comprises an endless body having a ground-engaging outer surface with a central portion flanked by first and second lateral portions, a plurality of longitudinally spaced reinforcing rods disposed in the body along a transverse direction of the body. The rods define a plurality of pitches, and a plurality of profiles project from the outer surface of the body along the plurality of pitches. A plurality of non-profile regions is defined along the plurality of pitches, and the profiles and profile-free regions define a pattern for each pitch. The pitch pattern for the novel track has a six pitch tread pattern which repeats every successive sixsomes of pitches. A height profile that varies between the first and second lateral portions is defined by the profiles. Such height profile has each profile with a height of not less than about 1 1/4 inches. The long length track has a length greater than about 141 inches. 36
Morin Denis
Ruske Chris
Thompson Mark
Bombardier Inc.
Bombardier Recreational Products Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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