| 摘要 |
PROBLEM TO BE SOLVED: To provide a torsion beam type suspension structure exerting excellent absorbing performance relative to torsion torque without degrading flexural rigidity of a torsion beam. SOLUTION: This torsion beam type suspension structure comprises left and right trailing arms 1 oscillatingly supported on a vehicle body at one end while rotatably supporting a wheel at the other end, and the torsion beam 4 connecting the left and right trailing arms 1, 1. The torsion beam 4 is inserted in through-holes 5a, 5b formed in the trailing arm 1, and is fitted in the through-hole 5a on the outer side in the vehicle width direction of the trailing arm 1. Moreover, the trailing arm and the torsion beam are fixed around there by welding 6, and the torsion beam 4 is contacted and engaged with the through hole 5b on the inner side in the vehicle width direction from this fixing section. Thus, a torsion deformation amount is increased without degrading the flexural rigidity of the torsion beam 4. COPYRIGHT: (C)2005,JPO&NCIPI
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