Patent ID: 7971888

Claim:
A suspension system for a vehicle having a vehicle body, comprising: a torsion beam disposed along a width direction of the vehicle and including an attaching portion formed on an end portion thereof; a trailing arm mounted on the attaching portion of the torsion beam and aligned along a length direction of the vehicle, wherein one end portion of the trailing arm is coupled to a wheel and the other end portion of the trailing arm is connected to the vehicle body; and a stiffener disposed on the attaching portion of the torsion beam and interconnecting the trailing arm and the attaching portion of the torsion beam; wherein the stiffener includes an upper connecting protrusion protruding from an upper end portion of the stiffener toward the trailing arm; wherein the stiffener further includes at least a lower connecting protrusion protruding from a lower end portion of the stiffener toward the trailing arm; wherein the upper connecting protrusion and the lower connecting protrusion form at least a connecting hole for the trailing arm to be inserted thereinto; and wherein the attaching portion includes an attaching plane and a slanted portion connecting an upper edge of the torsion beam for the trailing arm to be disposed on the attaching plane.