Patent · US Expired

Combination pneumatic spring and shock absorbing apparatus

US4697797A · kind A · utility

18Cited by
13References
12Claims
0Family size

Inventor

Key dates

Filing dateApr 29, 1985
Grant dateOct 6, 1987
Priority date
Expiry dateApr 29, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60G2204/416
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A novel pneumatic spring-loaded damping apparatus having a piston mounted for reciprocal movement within a cylindrical housing and provided with a piston rod which at extends through a resilient chamber provided by a rolling bellows at one end of the housing, the rolling bellows being mounted for rotation relative to the housing or the piston rod to provide a strut for a steerable front wheel of an automotive vehicle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.