| 摘要 |
A suspension system for a vehicle in which lateral rigidity of a suspension arm member to resist external force in a transverse direction of the vehicle at turning, for example, is increased effectively by an assist link, and rigidity in the longitudinal direction of the suspension arm member to resist external force from the longitudinal direction of the vehicle while running over a rough road, for example, is decreased when the vehicle body side support of the suspension arm member close to the assist link swings in a longitudinal direction, with the vehicle body side support part of a vertical link member acting as a fulcrum. Thus, compliance to the input from the longitudinal direction of the vehicle is ensured fully and comfortableness to ride when running over a rough road, for example, and driving stability at turning, for example, can coexist at a high level.
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