Patent · US Expired

Lift boom assembly

US7264435B2 · kind B2 · utility

21Cited by
22References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 2005
Grant dateSep 4, 2007
Priority date
Expiry dateJun 24, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S414/13
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A boom assembly for a work machine including a boom extending from a forward portion of the work machine toward a rear portion of the work machine, a rear link member connected between a frame of the work machine and the boom by a first frame pivot connection and a first boom pivot connection, and a forward link member connected between the frame of the work machine and the boom by a second frame pivot connection and a second boom pivot connection. The boom assembly also includes an actuator connected between the frame of the work machine and the boom by a third frame pivot connection and a third boom pivot connection. The second frame pivot connection is located vertically below the first frame pivot connection and above the second boom pivot connection when the boom assembly is in a lowered position.

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