Patent · US Expired

Extendable boom fork lift vehicle

US4986721A · kind A · utility

19Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1989
Grant dateJan 22, 1991
Priority date
Expiry dateAug 17, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66F9/144
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An extendable boom fork lift vehicle is disclosed wherein the bottom and its actuator are positioned over the rear axle of the vehicle such that the weight of the frame between the front and rear axles and behind the rear axle may be reduced. A modified boom and jib are also described wherein the jib may be selectively fixed relative one telescoping member of the boom. A light-duty carriage is provided to operably engage and articulate a secondary heavy-duty carriage.

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