Patent ID: 8708069

Claim:
A vehicle comprising: a frame; a drive system including a drive sprocket operatively connected to an endless belt adapted to be rotated to propel the vehicle; a suspension system connected to the frame to suspend the frame, the suspension system including a plurality of independent driveless suspension modules longitudinally disposed at a distance from the drive sprocket, each suspension module comprising a pivot arm pivotally secured to the frame of the vehicle at a first end thereof about a pivot arm pivot and extending toward a rear portion of the vehicle to pivotally secure a first tandem member at a second end thereof about a first tandem member pivot; a first pair of idler wheels rotatably secured to a first end of the first tandem member; a second tandem member pivotally secured to a second end of the first tandem member thereof about a second tandem member pivot; a second pair of idler wheels rotatably secured to a first end of the second tandem member; a third pair of idler wheels rotatably secured to a second end of the second tandem member, the idler wheels being adapted to operatively secure thereon the endless belt; and a compressible suspension member operatively secured between the pivot arm and the frame to suspend the vehicle and adapted to absorb a load variation applied to the suspension system, the compressible suspension member being actuated when the pivot arm pivots about the pivot arm pivot.