Patent · US Expired

Elevator hoist machine installation apparatus

US6857508B2 · kind B2 · utility

6Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2002
Grant dateFeb 22, 2005
Priority date
Expiry dateApr 2, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S187/90
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An apparatus or tool for installing an elevator hoist machine to a support at the top of the vertically extending guide rails. The apparatus includes a carriage for imparting vertical movement to move the hoist machine to the upper end of the guide rails and then horizontal movement thereto at the upper ends of the guide rails to enable hoist machines to be installed in areas with limited ceiling height.

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