| 摘要 |
It is a torsion beam suspension S including a pair of lateral trailing members, each of which has a front end portion 1 a pivotally supported by a vehicle body and also has a rear end portion 1 b adapted to suspend wheels, and a torsion beam 2 adapted to have an open face, in which a vehicle front side or a vehicle rear side thereof is opened, and to extend in a lateral direction of a vehicle. Intermediate portions 1 c of the pair of trailing members 1 are respectively bonded to both end portions 2 a of the torsion beam 2 . On an inner side wall 1 d of each of the trailing members 1 , a patch member 4 connecting a corresponding one of the trailing members 1 to the torsion beam 2 is disposed.
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