Patent · US Expired

Elevator door system

US7246688B2 · kind B2 · utility

7Cited by
22References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1998
Grant dateJul 24, 2007
Priority date
Expiry dateDec 23, 2018

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/104
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.

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