Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1994-12-14
1997-12-02
Johnson, Victor E.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
180 956, 180 952, 305120, 305127, B62D 55104
Patent
active
056925794
ABSTRACT:
A suspension system mountable to the chassis of a snowmobile and about which an endless track is carried. The suspension includes a slide frame for engagement with a lower portion of the endless track and one or more springs for urging the slide frame downwardly away from the chassis. The suspension system also includes a downwardly angled suspension arm having an upper end pivotally mounted to the snowmobile chassis. The lower end of the arm is pivotally connected to the slide frame so as to permit limited longitudinal movement of the lower end of the arm with reset to the slide frame. An adjustable limit is provided for adjustably limiting the degree of longitudinal movement of the lower end of the arm with respect to the slide frame to adjustably control the range of orientations of the slide frame with respect to the snowmobile chassis.
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Bates, Jr. Richard H.
Monsrud Edwin M.
Peppel Keith W.
Przekwas Robert W.
Johnson Victor E.
Kaihoi Gregory P.
Polaris Industries Partners L.P.
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