Air spring for e.g. towing vehicle, has fastening bead whose lower side is provided against shoulder of piston, and circulating sealing rib arranged on shoulder between cone seat and rolling edge of piston

摘要

The air spring (1) has rolling bellows (3) including a fastening bead (4) with a bead core (5) and made of elastomer material. The bead core is provided at an end of the rolling bellows facing a rolling piston (2), where piston is made of plastic. A conical sealing surface of the fastening bead is provided against a cone seat (7) of the piston, where a lower side of the fastening bead is provided against a shoulder of the piston. A circulating sealing rib is arranged on the shoulder between the cone seat and a rolling edge of the piston.