Patent ID: 7758056

Claim:
A vehicle suspension assembly for use with a vehicle having a frame comprising: a first frame adapted to be connected to the vehicle frame; a first air spring support arm pivotally mounted on the first frame having a pivot axis; a load path along which a load passing into the front frame travels; a torsion axle positioned along the load path with a torsion axle axis mounted on the first frame, wherein the pivot axis and the torsion axle axis are co-axial; a first air spring positioned along the load path attached intermediate the first frame and the air spring support arm spaced from the axis; and, wherein the torsion axle and the first air spring are part of the load path whereby the torsion axle and the first air spring are adapted to react to the load in series; and wherein a spindle arm is attached to an inner shaft of the torsion axle having a spindle pivot axis; and in which a wheel spindle is attached to a distal end of the spindle arm is attached co-axial with the torsion axle such that the pivot axis, torsion axle axis and spindle pivot axis are all co-axial.