Patent · US Expired

Railway vehicle primary suspensions

US3952670A · kind A · utility

2Cited by
1References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 24, 1974
Grant dateApr 27, 1976
Priority date
Expiry dateJul 24, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61F5/305
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A railway vehicle having a primary suspension with a reduced longitudinal stiffness at the axle comprising a downwardly inclined pair of longitudinally opposed elastomeric material springs mounted to the axlebox such that the axis of the axleset is substantially vertically displaced from the plane of action of the resultant longitudinal stiffness of the suspension.

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