Patent ID: 8376077

Claim:
A suspension system for a vehicle having a body, comprising: a plurality of wheels coupled to the vehicle and comprising at least one pair of wheels, each wheel of the at least one pair of wheels positionable on opposite sides of the vehicle wherein at least one wheel is driven by a motor; a changeable wheel track width for the at least one pair of wheels; wherein the changeable wheel track width comprises at least a narrow wheel track width setting and a wide wheel track width setting; and wherein the wheel track width is changeable between the narrow wheel track width setting and the wide wheel track width setting by pivoting a suspension link about a vertical axis; a suspension arm comprising a first end and a second end; a wheel attached at the first end of the arm by an assembly; at least two links each comprising a first and second end having pivotable bearings at each end, the second ends of the at least two links coupled to the second end of the suspension arm; wherein the first ends of the at least two links are configured to couple to a sprung mass of the vehicle; and wherein a locus of a center of the wheels is constrained to a substantially vertical linear path over a range of suspension travel; and a strut having first end coupled to the suspension arm and a second end coupled to one of the links.