| 摘要 |
A suspension device for a wheeled vehicle, includes a shock absorber ( 105 ) and a spring ( 110 ), disposed between a non-suspended portion of a vehicle and a suspended portion of the vehicle, the shock absorber ( 105 ) having a shock absorber body ( 1 ) provided with a cylindrical cavity ( 10 ) in which slides a piston ( 2 ), the piston being connected to a rod ( 3 ) leaving the cylindrical cavity through a sealing ring ( 4 ), the piston ( 2 ) being provided with calibrated elements ( 5 ) for passage of a fluid such as an oil from sub-cavity ( 10 a) to a sub-cavity ( 10 b) as a function of the movements of the piston, in response to forces exerted on the suspension, the piston including a discharge device ( 15 ), this discharge device being adapted to take a position of opening a conduit between one sub-cavity and the other and a position of closing this conduit.
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