Snowmobile rear suspension unit

Details Snowmobile rear suspension unit Snowmobile rear suspension unit

1981-12-31

1984-07-31

Pekar, John A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 91, 305 24, B62D 508

Patent

active

044624808

ABSTRACT:
An improved suspension system for the drive track of a snowmobile that offers wide amounts of suspension travel and yet is compact enough to be positioned internally of the track. The suspension system permits the use of a tubular shock absorber and a surrounding coil spring for both the front and rear portions of the track. Both front and rear suspension systems embody a link arrangement for moving the ends of the shock absorber and spring toward each other upon upward travel of the track relative to the snowmobile body so as to achieve a wider range of damping for a given degree of suspension travel.

REFERENCES:
patent: 3933213 (1976-01-01), Trowbridge
patent: 3944005 (1976-03-01), Tomita
patent: 3966181 (1976-06-01), Lessard

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