Patent · US Expired

Lifting machinery

US5098068A · kind A · utility

30Cited by
7References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 1990
Grant dateMar 24, 1992
Priority date
Expiry dateSep 20, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66D1/28
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A lifting machine has a drum unit comprising a motor attached to a frame of the lifting machine, a gearbox and a rope drum, this unit being resiliently attached to the frame of the lifting machine.

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