Patent ID: 9114852
Filing Date: 2015-08-25
Classification: B62M

Abstract:
1. A suspension assembly for a snowmobile having a chassis and an endless drive track, the suspension assembly comprising: a rail for engagement with the endless drive track; a first suspension arm having an upper end adapted for pivotally connecting to the chassis and a lower end pivotally connected to the rail, the first suspension arm extending forwardly and upwardly from the rail; a second suspension arm disposed rearwardly of the first suspension arm, the second suspension arm having an upper end adapted for pivotally connecting to the chassis and a lower end pivotally connected to the rail, the second suspension arm extending forwardly and upwardly from the rail; a bracket arm having a first end and a second end, the first end of the bracket arm being fixedly connected to the first suspension arm between the upper end and the lower end of the first suspension arm; a link having a first end and a second end, the first end of the link being pivotally connected to the second end of the bracket arm above the first suspension arm at a link pivot axis; a shock absorber having an upper end and a lower end, the lower end of the shock absorber being pivotally connected to the second end of the link about a first pivot axis, the first pivot axis being perpendicular to a longitudinal axis of the chassis, the first pivot axis being located between the upper and lower ends of the first suspension arm, the first pivot axis being disposed such that the first suspension arm is disposed between the first pivot axis and the link pivot axis, the upper end of the shock absorber being pivotally connected to the second suspension arm; and a tie rod having a lower end and an upper end, the lower end of the tie rod being pivotally connected to the link, and the upper end of the tie rod being pivotally connected to the second suspension arm; a point adapted for pivotally connecting the second suspension arm to the chassis being vertically higher than a pivotal connection between the upper end of the shock absorber and the second suspension arm.