a dashpot featuring amplitude - dependent shock absorption , especially intended for the wheel of a vehicle and including a hydraulically parallel cylindrical pressure - compensation chamber . the pressure - compensation chamber is partitioned by an axially displaceable floating piston . at least one face of the floating piston is provided with a resilient bumper . the object is a dashpot with a floating piston that arrives more gently at its limit inside the pressure - compensation chamber . the bumper is accordingly accommodated in an axial hollow that extends through the body of the floating piston .