| 摘要 |
The reciprocal device is interposed between an end of of a torsion bar and the swing arm of a suspension system for a front wheel of a vehicle so as to reciprocate in both the extensional and intensional directions with the stroke thereof being limited to a length remarkably smaller than the maximum amplitude of the ends of the torsion bar, in response to the movement of the torsion bar. The device has a resisting force that gradually increases while the device is in the advance process from the neutral position to the end of the both strokes but substantially naught when it is in the return process from the end of the stroke to the neutral position.
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