| 摘要 |
PURPOSE: A coupled torsion beam suspension of a vehicle is provided to improve driving experience and the durability of the trailing arm and the torsion beam by moving up the vehicle body mounting portion of the trailing arm and increasing bump toe-in. CONSTITUTION: A torsion beam(410) is twisted entirely in a coupled torsion beam suspension, and connected to a trailing arm(420). The edges of the torsion beam are opened in the front to improve the durability, and the center of the torsion beam is opened in the lower part to lift up the shear center. The wheel is rotated around the vehicle body mounting portion of the trailing arm and the center of the torsion beam. The roll axis is inclined forward to guide bump toe-in. Under steering of rear wheels is improved by increasing bump toe-in and twisting the torsion beam.
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