Patent · US Expired

Movable base jack

US4146208A · kind A · utility

2Cited by
1References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 14, 1977
Grant dateMar 27, 1979
Priority date
Expiry dateApr 14, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S254/01
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A movable base jack includes a jack pad, a guideway integrally connected to the pad and a jack column connected to a wheel assembly which rolls in the guideway. The wheel assembly can move in a longitudinal, rotational and arcuate direction in the guideway and is captivated to the pad.

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