Drive system for a snowmobile

Details Drive system for a snowmobile Drive system for a snowmobile

1990-03-12

1991-07-23

Marmor, Charles A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180182, 280 221, B62M 2702

Patent

active

050335723

ABSTRACT:
A suspension/traction unit for a snowmobile is disclosed as having an area of primary support and a two stage angle of attack. The traction unit includes a drive sprocket rotatably mounted to the snowmobile chassis a predetermined height above ground level when the snowmobile is at rest. An endless belt is guided by slide rails such that a low primary angle of attack of about 6 degrees is presented as well as a secondary angle of attack steeper than the primary angle attack making it possible for the snowmobile to effectively start and move in deep snow.

REFERENCES:
patent: 3213955 (1965-10-01), Hetteen
patent: 3883152 (1975-05-01), de Carbon
patent: 3884314 (1975-05-01), Callaway
patent: 4442913 (1984-04-01), Grinde
patent: 4848503 (1989-07-01), Yasui et al.

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