Patent · US Expired

Trailers

US4529220A · kind A · utility

24Cited by
7References
12Claims
0Family size

Inventors

Key dates

Filing dateNov 25, 1981
Grant dateJul 16, 1985
Priority date—
Expiry dateNov 25, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62D63/061
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A trailer comprising a load bearing section, a wheel carrying assembly and a draw bar. The load bearing section and the wheel carrying assembly are relatively displaceable between a conventional towing position (FIG. 1, FIG. 5) and a position in which the wheel carrying assembly supports the trailer in a substantially vertical disposition (FIG. 3, FIG. 7) for stowage.

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