Patent · US Expired

Self-contained vehicle lift system

US5224688A · kind A · utility

25Cited by
8References
7Claims
0Family size

Inventors

Key dates

Filing dateMay 8, 1992
Grant dateJul 6, 1993
Priority date
Expiry dateMay 8, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60S9/12
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A series of hydraulic jack units are mounted on the frame of a vehicle. Each jack unit is controlled from a central controller inside the vehicle and includes electrical means for activating the jack, automatic means for locking the jack in the extended position, and selectively activatable means for releasing the jack and returning it to its retracted position. As a result of this arrangement, any portion of the vehicle may be raised to facilitate maintenance, or to provide security against theft.

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