Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1990-02-15
1991-10-29
Kashnikow, Andres
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
123195C, 180291, 180293, 180299, B62M 2702
Patent
active
050607456
ABSTRACT:
An improved drive unit and suspension arrangement therefor for a small snowmobile having an open tubular frame. The drive unit includes an internal combustion engine and a pulley type transmission. The pulley type transmission is supported within a transmission casing and is affixed to the frame for rigidifying the frame. The suspension permits more vertical compliance than for and aft compliance for vibration dampening without adversely effecting the rigidity.
REFERENCES:
patent: 3467421 (1969-09-01), Bentley
patent: 3877535 (1975-04-01), Gorski
patent: 4023635 (1977-05-01), Teal
patent: 4546848 (1985-10-01), Iijima et al.
patent: 4892165 (1990-01-01), Yasui et al.
Isobe Tsuneo
Nakanosono Haruhiko
Sugita Masanori
Yasui Toshihiro
Beutler Ernest A.
Culbreth Eric
Kashnikow Andres
Yamaha Hatsudoki Kabushiki Kaisha
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