Patent ID: 6817597
Filing Date: 2004-11-16
Classification: B60G,F16F

Abstract:
A combined spring-and-shock-absorber system for supporting at least one of wheel suspensions and axles on a vehicle body, comprising:an outer bell; a rolling piston; a hydraulic accumulator that is supported on at least one of a chassis side and a vehicle body side; and a tubular roll bellows positioned between one of a wheel-bearing and wheel-controlling connection and a connection on a vehicle body side, the bellows being arranged between the outer bell and the rolling piston, the outer bell and the rolling piston each having at least partially varying diameters over a height of the respective component, the outer bell and the rolling piston each having walls that contact the bellows, ends of the tubular roll bellows being sealingly secured to the rolling piston at segments having different diameters, a lower mounting section of the bellows having a larger diameter than an upper mounting section of the bellows, the bellows having a bellows interior filled with a fluid, the bellows interior configured to communicate the fluid with the hydraulic accumulator.