Patent · US Expired

Method of lifting a skid steer loader bucket

US5542814A · kind A · utility

50Cited by
12References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1994
Grant dateAug 6, 1996
Priority date
Expiry dateNov 22, 2014

Classification

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

Abstract

A skid steer loader having a frame, ground support wheels extending from the frame, a cab with load bearing side walls extending upwardly from the frame to define an operators control area therebetween, and a boom structure comprising a pair of arms and a linkage assembly for operatively coupling the arms to the load bearing side walls. Each arm includes a front portion having a front end extending beyond the cab to support a bucket, a rear portion extending behind the cab, and an integral intermediate portion between the front and rear portions. The linkage assembly includes upper and lower links associated with each of the arms, each link being pivotally secured to the cab at a location above the wheels. The boom structure is powered for raising and lowering in concert each of the pairs of arms through a generally vertical path for moving the front end of the boom arms and bucket along a lift path. The bucket initially moves from a known position near the ground in a substantially vertical direction to an intermediate position in the lift path, and subsequently in a slightly forwardly inclined direction to a second intermediate position, from which it finally moves in a substanti…

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