Patent ID: 9399384
Filing Date: 2016-07-26
CPC Classification: B60G

Claim Text:
1. A coupled torsion beam axle (CTBA) suspension system comprising: a trailing arm connected to each end of a torsion beam; a vehicle body fastener mounted at a front end of each trailing arm for mounting a vehicle body thereto; and a spindle bracket mounted to a rear outer side of the trailing arm, wherein each vehicle body fastener includes: a trailing arm bush formed integrally with the trailing arm at the front end of the trailing arm; a bush link installed in front of and fastened to the trailing arm bush in a vehicle width direction; a lower mounting bush formed inside the bush link in a vehicle height direction at a front outer side of the trailing arm bush and fastened to a lower side of the vehicle body in the vehicle height direction; and an upper mounting bush mounted at a rear side of the lower mounting bush and moving up and down between the bush link and the vehicle body by a cylinder unit which is disposed between the bush link and the vehicle body.