Title:
エレベータドアの磁気移動装置
Document Type and Number:
Japanese Patent JP2007524548
Kind Code:
A
Abstract:
An elevator door mover device (40) includes a threaded ferromagnetic shaft (42). Magnetic movers (48) associated with doors (26) generate magnetic fields that cause the doors to move responsive to rotation of the shaft (42). In one example, a controller (46) controls a speed of a motor (44) that drives the shaft (42). The controller (46) in some examples also selectively controls the strength of the magnetic fields of the movers, which provides more customizable door performance.
Inventors:
Fargo, Richard, N.
Application Number:
JP2005512244A
Publication Date:
August 30, 2007
Filing Date:
November 17, 2003
Export Citation:
Assignee:
OTIS ELEVATOR COMPANY
International Classes:
B66B13/08; B66B
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Tomioka Kiyoshi
Tomioka Kiyoshi