Snowmobile

Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element

Patent

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Details

180 925, B62M 2702

Patent

active

056602456

ABSTRACT:
A snowmobile construction wherein the components are laid out so as to improve the center of gravity of the snowmobile and position the major components so that they will exert a large portion of their weight on the drive belt. The snowmobile includes a built-up frame assembly that defines a cradle in which the engine is positioned and which drives the drive belt through a pair of transmissions. One of these transmissions is disposed within the frame assembly and in a casing carried by an opening in one side of the frame assembly. The snowmobile is steered by a steering shaft that extends across the top of the engine and through a space between the exhaust manifold of the engine and the engine so as to provide a compact assembly. The positioning of the transmission inboard of the frame permits the use of a forwardly positioned seat with foot rests disposed outwardly of the transmission but closely adjacent the sides of the frame.

REFERENCES:
patent: 3578095 (1971-05-01), Hauser
patent: 3698497 (1972-10-01), Bombardier
patent: 3870115 (1975-03-01), Hase
patent: 3871460 (1975-03-01), Dehnert
patent: 4008777 (1977-02-01), Juto et al.
patent: 4337958 (1982-07-01), Witt et al.
patent: 4593921 (1986-06-01), Marier
patent: 4620604 (1986-11-01), Talbot
patent: 5172786 (1992-12-01), Ishibashi et al.
patent: 5279381 (1994-01-01), Fukada
patent: 5372215 (1994-12-01), Fukuda

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