Patent · US Expired

Elevator cabs transferred horizontally between double deck elevators

US5660249A · kind A · utility

12Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 1995
Grant dateAug 26, 1997
Priority date
Expiry dateNov 29, 2015

Classification

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

Abstract

Horizontally moveable elevator cabs (22, 23) are transferred from the upper deck of a first car frame (26) to the upper deck of a second car frame (27) and from the lower deck of the second car frame to the lower deck of the first car frame. Three elevator hoistways, each with a double deck car frame are controlled by computer routines. A rack and pinion horizontal motive means, for moving the cab from car frame to car frame is also briefly disclosed.

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