Patent ID: 8371596

Claim:
A vehicle suspension system, comprising: a first trailing arm assembly, comprising: a first mounting bracket adapted to be secured to a vehicle frame; and a first trailing arm member pivotably coupled to the first mounting bracket and adapted to be operably coupled to an axle member; a second trailing arm assembly, comprising: a second mounting bracket adapted to be secured to a vehicle frame; and a second trailing arm member pivotably coupled to the second mounting bracket and adapted to be operably coupled to an axle member; and a torsional member extending between the first trailing arm member and the second trailing arm member and secured to the first trailing arm member and the second trailing arm member, wherein the torsional member includes a substantially oval-shaped cross-sectional configuration, and wherein the torsional member includes a pair of substantially flat portions extending along a length of the torsional member, and a pair of substantially arcuate portions extending along a length of the torsional member and interspaced with the substantially flat portions.