V belt type automatic transmission system

Details V belt type automatic transmission system V belt type automatic transmission system

1991-12-30

1992-12-22

Hill, Mitchell J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

74 1563, 74 158, 74 1588, 123 73A, 1231922, 180297, 180364, 180366, 474 8, 474 12, 474 13, 474 25, B62M 2702, F02B 7506

Patent

active

051727862

ABSTRACT:
Several embodiments of snowmobiles driven by an engine and variable belt transmission mechanism wherein the variable belt transmission has its input shaft journaled for rotation in the crankcase of the engine and driven from the engine crankshaft through a gear reduction so that the transmission loads are not carried by the crankshaft and wherein the crankshaft torsional vibrations are not transmitted to the transmission input shaft.

REFERENCES:
patent: 3048056 (1962-08-01), Wolfram
patent: 3747721 (1973-07-01), Hoff
patent: 4023635 (1977-05-01), Teal
patent: 4031761 (1977-06-01), Fisher et al.
patent: 4414934 (1983-11-01), Vogl et al.
patent: 4592311 (1986-06-01), Makino
patent: 4606310 (1986-08-01), Makino
patent: 4633964 (1987-01-01), Boyer et al.
patent: 4637354 (1987-01-01), Tominaga et al.
patent: 4651689 (1987-03-01), Feichtinger
patent: 4848503 (1989-07-01), Yasui et al.

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