| 摘要 |
A wheel suspension including a wheel support pivotally attached to a vehicle frame at two, laterally-spaced locations, the wheel support being pivotable between uppermost and lowermost positions, a wheel rotatably mounted to the wheel support, a leaf spring mounted between the vehicle frame and the wheel support to bias the wheel support to a position intermediate the uppermost, and lowermost positions, and a second biasing device, such as an air bag or coil spring, mounted outside of the vehicle frame and biasing the wheel support to an intermediate position.
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