Patent · US Expired

Power transmission system for elevator

US7104363B2 · kind B2 · utility

15Cited by
7References
15Claims
0Family size

Inventors

Key dates

Filing dateOct 5, 2001
Grant dateSep 12, 2006
Priority date
Expiry dateOct 5, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B17/12
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An elevator having a power feeding apparatus effective for reducing the installation space for the elevator is disclosed.The dimension of the power transmission part disposed at the hoist way and the dimension of the power receiving part mounted on the counter weight, each measured in the direction along which the counter weight moves are made different from each other.

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