Air spring device

US7258330B2 · kind B2 · utility

Assignee

• Carl Freudenberg KG · DE

Inventors

• Ingo Harms · Hamburg, DE
• Peter Kobs · Tirschenreuth, DE
• Michael Weber · Kürten, DE

Key dates

• Filing date: Apr 29, 2005
• Grant date: Aug 21, 2007
• Expiry date: Jul 6, 2025

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F9/38
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An air spring device characterized in that a cover encloses a pot-shaped basic component and a separate connecting component with a first connecting region for one end of a bellows. The basic component and the connecting component are in direct contact with one another. In a region of the cover there is also provided, as a separate component, a holder for a protective collar. The holder is in direct contact with the connecting component. A common tightening ring, the two ends of which are fastened to each other by a connection, hold together, from the outside and in sealing manner, the basic component, the connecting component, and the protective collar holder.