Patent ID: 9381783
Filing Date: 2016-07-05
CPC Classification: B60G,F16F

Claim Text:
1. An air spring for a commercial vehicle comprising: a first attachment part; a second attachment part configured as a roll-off piston; a rolling-lobe flexible member made of an elastomeric material and having a first end and a second end and a first fastening bead disposed at said first end and a second fastening bead disposed at said second end; said first fastening bead having a first reinforcing bead core completely embedded therein; said second fastening bead having a second reinforcing bead core completely embedded therein; said first end of said rolling-lobe flexible member being arranged seal tight on said first attachment part; said second end of said rolling-lobe flexible member being arranged seal tight on said roll-off piston; and, at least one of said first and said second reinforcing bead cores being made of a multiply wound, flat profile strip made of glass-fiber-reinforced plastic with said at least one reinforcing bead core defining a coil of mutually adjacent flat turns.