Patent · US Expired

Method for operating a double deck elevator car

US5861587A · kind A · utility

20Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 1997
Grant dateJan 19, 1999
Priority date
Expiry dateNov 26, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S187/902
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A method of operating a double deck elevator system when the trailing elevator deck (26,28) is empty, whereby the leading deck answers all registered hall calls except upon the occurrence of certain conditions.

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