Patent · US Expired

Vehicle having a dual drive wheel assembly and traction device

US4697628A · kind A · utility

1Cited by
11References
7Claims
0Family size

Inventor

Key dates

Filing dateDec 16, 1985
Grant dateOct 6, 1987
Priority date—
Expiry dateDec 16, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60C27/04
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A traction device for use in extracting mired dual wheeled vehicles from a mired condition comprising a block assembly having a plurality of tower members for attachment to and between the wheels of the mired vehicle and a plate assembly for operative engagement by a rotating block assembly to move the mired vehicle to a freed location. The tower assemblies can be quickly dismantled to a transportable size, and readily assembled and installed for needed operation.

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