Patent · US Expired

Tandem axle suspension system

US4202564A · kind A · utility

59Cited by
11References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 7, 1978
Grant dateMay 13, 1980
Priority date
Expiry dateSep 7, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60G2204/44
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A tandem axle suspension system wherein laterally spaced walking beams are pivotally mounted on a trunnion tube and extend forwardly and rearwardly therefrom to overly forward and rearward axles. A pair of arms are coupled by adjustable bushings to each walking beam and extend respectively forwardly and rearwardly underlying the beam. The axles are rigidly coupled to the arms, and air springs are disposed between each axle and the corresponding walking beam portion overlying the axle.

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