Patent ID: 6527259
Filing Date: 2003-03-04
Classification: F16F

Abstract:
A pneumatic spring system including a pneumatic spring cover, a pneumatic spring bellows made from elastomer material, and at least one fastener for coupling the pneumatic spring bellows to the pneumatic spring cover, the system also comprising the following structural components:a) a pneumatic spring piston comprising: i) a face area arranged opposite the pneumatic spring cover; ii) a lateral roll off surface; wherein the pneumatic spring bellows connects said pneumatic spring piston to the pneumatic cover via the at least one fastener; b) a base area having a multi-chamber system that projects into an interior of said pneumatic spring piston, wherein said multi-chamber system comprises a ring chamber extending within an edge zone of said base area, said ring chamber having a ring shaped outer edge and an inner edge, said outer edge defining at least one core chamber; c) a fastening system disposed within said base area of said pneumatic spring piston; d) a longitudinal guide rod forming a spring support; e) at least one additional fastening system disposed within a base area of said pneumatic spring piston, wherein said fastening system and said additional fastening system are used to anchor said longitudinal guide rod to said base area of said pneumatic spring piston; wherein said multi chamber system of said base area has only one mirror plane that is present and perpendicular to said base area of said pneumatic spring piston wherein said base area has an eccentric support surface with direct contact with said spring support.