Steering ski suspension for snowmobiles

Details Steering ski suspension for snowmobiles Steering ski suspension for snowmobiles

1980-06-18

1982-11-30

Pekar, John A.

Land vehicles

Runner vehicle

Occupant steered

267 6415, 280 25, B62B 1308, B62B 1704

Patent

active

043613390

ABSTRACT:
A snowmobile includes a frame and a steering ski. A suspension interconnects them so the ski supports and steers the frame. A stationary cylinder is fixed to the frame, and a movable cylinder slides in it. A rod is fixed to the stationary cylinder and carries a head which acts as a restriction to dampen physical shocks. A rod compensation chamber is mounted to the ski and connected to the lower part of the movable cylinder by a flexible conduit. The ski is pivotally mounted to the movable cylinder. A floating piston is slidably fitted in either the rod compensating chamber or in the movable cylinder so that a gas charge can be injected on one side of it, said gas charge occupying all or part of said rod compensating chamber, the other side of said floating piston confronting oil in or from the lower portion of the movable cylinder.

REFERENCES:
patent: 3854710 (1974-12-01), Nicholls
patent: 3877536 (1975-04-01), Earhart
patent: 3931862 (1976-01-01), Cote

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