Snowmobile torsion bar suspension

Details Snowmobile torsion bar suspension Snowmobile torsion bar suspension

B - Operations, Transporting

62

D

305/38, 305/79

B62D 55/00 (2006.01)

Patent

CA 1227823

ABSTRACT A torsion bar suspension system for the front skis of a snowmobile. The suspension includes a mounting apparatus for independently mounting each ski to the snowmobile chassis, this apparatus being fixed against rotation but being allowed generally vertical movement in response to uneven terrain. Each ski is allowed to rotate with respect to the mounting appara- tus, permitting operation of conventional steering mechanisms. A torsion bar connects the two mounting apparatuses to stabilize the snowmobile. The torsion bar is connected to each mounting apparatus through a sliding insert carried by the apparatus, the insert absorbing and permitting relative longitudinal move- ment of the torsion bar with respect to the mounting apparatus. The torsion bar, which has a plurality of obtuse bends, is mounted to the snowmobile chassis by a pair of bushings. Each bushing has a generally con- vex inner surface for facilitating passage of the bushing around the bends of the torsion bar during assembly.

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