Patent ID: 7975794
Filing Date: 2011-07-12
Classification: B60G,B62M

Abstract:
1. A snowmobile suspension mountable to the chassis of a snowmobile and about which an endless track is carried, the suspension comprising: a slide rail for engagement with a lower portion of the endless track; a downwardly angled rear suspension arm having an upper end pivotally connected to the snowmobile chassis and a lower end pivotally connected to the slide rail; a shock absorber coupled at one end to the snowmobile chassis and at another end to the slide rail; a coil spring secured around said shock absorber; and an overload spring away from the shock absorber and which forces the slide rail away from the chassis, wherein an overload spring force is transferred to the rear suspension arm at a location between the upper end and the lower end of said rear suspension arm, wherein the overload spring includes an overload arm which transfers the overload spring force to the rear suspension arm, wherein the overload arm is pivotally coupled to the slide rail, and wherein the overload spring force is transferred near an end of the rear suspension arm.