Land vehicles – Runner vehicle – Occupant steered
Patent
1982-11-12
1985-10-01
Brust, Joseph Paul
Land vehicles
Runner vehicle
Occupant steered
280 25, B62B 1704
Patent
active
045441707
ABSTRACT:
A snowmobile includes a pair of skis connected to the snowmobile frame by a forward suspension including a pair of telescopic struts which are biased to normally extended positions and are connected to a stabilizer member including a transverse torsion bar. A drive track of the snowmobile is suspended from the frame by a rear suspension, including a link pivotally connected between the frame, and a pair of slide rails and biased downwardly by a pair of torsion springs having respective ends engaged with a pivotally mounted spring end retainer which is connected to the torsion bar of the forward suspension by a pair of motion transfer links which act to "soften" the rear suspension in response to upward telescopic movement of one or the other or both of the telescopic struts.
REFERENCES:
patent: 3550706 (1970-12-01), Watkins
patent: 3835947 (1974-09-01), Alexander, Jr.
patent: 3913692 (1975-10-01), Lorh et al.
patent: 4337958 (1982-07-01), Witt et al.
patent: 4342372 (1982-08-01), Hayes
patent: 4372567 (1983-02-01), Yasui et al.
Ebert Russell L.
Hayes Stanley G.
Brust Joseph Paul
Haller James R.
Kaihoi Gregory P.
Polaris Industries Inc.
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