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Patent Searching and Data


Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/037613
Kind Code:
A1
Abstract:
Provided is an elevator device that allows a door locking device to be easily unlocked from a landing even in circumstances when power cannot be supplied such as during power outages. An elevator device has: a car door (15, 16); an engaged body (21) that is connected to the car door; an engaging body (18) that engages with the engaged body; and an electromagnetic device (19) that drives the engaging body by way of an electromagnetic force. The elevator device has a configuration wherein the car door is locked by the engaged body being engaged by the engaging body when the elevator car is not in an area of the elevator shaft in which the car door can be opened or closed, and the engaging body is driven by the electromagnetic device and the car door lock is released when the elevator car is in an area in which the car door can be opened and closed. The elevator device has an unlocking body (22) that can drive the engaging body by contacting the engaging body, and an unlocking device operating body (23), one end of which is connected to the unlocking body and the other end of which is guided to the surface outside of the car door. The elevator device has a configuration that allows the car door lock to be released by driving the unlocking body and the engaging body by way of operating the unlocking drive operating body from the outside of the elevator car.

Inventors:
ISHITSUKA SHINSUKE (JP)
HASEGAWA YUKO (JP)
FUKUYA TSUYOSHI (JP)
Application Number:
PCT/JP2017/014025
Publication Date:
March 01, 2018
Filing Date:
April 04, 2017
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B66B13/16
Foreign References:
JP2010163236A2010-07-29
JP2003292273A2003-10-15
JPH0649578Y21994-12-14
JPS5260072U1977-05-02
JPH04292392A1992-10-16
JPS6271170U1987-05-07
JPS5228269Y21977-06-28
CN1445155A2003-10-01
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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