Patent · US Expired

Integrated, multi-level elevator shuttle

US5924524A · kind A · utility

17Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 1996
Grant dateJul 20, 1999
Priority date
Expiry dateNov 18, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B2201/306
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An elevator system provides service between a ground level and each of three upper levels through a single elevator shuttle hoistway system. Three elevator cabs 34-36, B, D, F are moved in a triple deck elevator car frame 35, or a four deck elevator car frame 75 in a low hoistway 26, 76; two cabs are moved in a double deck elevator car frame 30 or four deck car frame 76 in a mid hoistway 27, 52; and one cab is moved in a single deck car frame 31 or triple deck car frame 77 in a high hoistway 28, 53. Other embodiments have other car frame arrangements.

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