Patent ID: 6974003

Claim:
A combined spring/damper system for support of at least one of wheel suspensions and axles on a vehicle body, comprising: an outer bell having a cylindrical inner-wall region; a rolling piston having a cylindrical outer-wall region and a meniscus guided on the cylindrical inner-wall region of the outer bell and the cylindrical outer-wall region of the rolling piston; and a tubular concertina arranged between one of a wheel-carrying and wheel-guiding tie-up and a tie-up located on a vehicle-body side and mounted between the outer bell and the rolling piston; wherein one of the outer bell and the rolling piston is mounted on the vehicle body in one of a rigid and flexible manner via elastic intermediate members; wherein one of the outer bell and the rolling piston is mounted on one of a chassis side and the vehicle-body side via a joint including at least one degree of pivoting freedom; wherein a concertina space is filled with a fluid and communicates with a hydraulic accumulator mounted on one of the chassis side and vehicle side; and wherein a gap width between the cylindrical outer-wall of the rolling piston and the cylindrical inner-wall of the outer bell corresponds to at most five times a wall thickness of a rolling tubular portion of the tubular concertina.