US Patent 7854439 Suspension system of coupled torsion beam axle

A suspension system of a coupled torsion beam axle type may include a torsion beam that is disposed in the width direction of a vehicle body, left/right trailing arms that are mounted on respective ends of the torsion beam to be extended in the rearward direction of the vehicle body, and a spindle block that is mounted on one end of each of the respective trailing arms and in which a spindle is integrally formed in the front end surface thereof for a wheel to be mounted.