Patent · US Expired

Vehicle main frame

US4151920A · kind A · utility

17Cited by
4References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 11, 1977
Grant dateMay 1, 1979
Priority date
Expiry dateJul 11, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62D21/186
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A vehicle main frame has a pair of arms individually having first, second and third portions, with the first and third portions being disposed in first and second upright and substantially longitudinally oriented planes transversely offset from one another, and with the second portions of the arms connecting the first and third portions. Joints are provided for mounting an implement with forces from the implement being transmitted to the first portions of the arms in substantial alignment with the first planes.

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