Patent · US Expired

Apparatus for guiding the legs of a lift boat

US6520721B2 · kind B2 · utility

2Cited by
13References
1Claims
0Family size

Inventor

Key dates

Filing dateAug 29, 2002
Grant dateFeb 18, 2003
Priority date
Expiry dateAug 29, 2022

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02B17/0818
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An apparatus for guiding the legs of a lift boat. Continuous track assemblies are used to guide the legs. The assemblies may be placed at any location or in any number vertically along the leg to adequately center the leg. The track assemblies are comprised of link plates 88, link pins, and track pads traveling around idlers. The track assemblies are mounted on rail structures.

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