Title:
外部開放治具、エレベーターシステム、点検方法および携帯端末
Document Type and Number:
Japanese Patent JP6806725
Kind Code:
B2
Abstract:
To improve the safety in opening a car door by using an external opening tool during maintenance work of an elevator.SOLUTION: An external opening tool 200 for opening a landing door 103 of an elevator from the outside, includes an operation detection device for detecting opening operation done by the external opening tool 200 and outputting an operation signal, a communication device 240 transmitting the operation signal to an external device, and a notification device for outputting notification. The notification device outputs the warning when it receives a determination signal showing that the position of a car 105 of the elevator is inappropriate from the external device, which is a transmission destination, in accordance with the transmission of the operation signal through the communication device 240.SELECTED DRAWING: Figure 3
Inventors:
Mitsuhiro Jogamoto
Yasutaka Kaku
Yasutaka Kaku
Application Number:
JP2018056689A
Publication Date:
January 06, 2021
Filing Date:
March 23, 2018
Export Citation:
Assignee:
Hitachi Building System Co., Ltd.
International Classes:
B66B5/00; B66B3/00; B66B13/28
Domestic Patent References:
| JP2017530918A | ||||
| JP52086167U | ||||
| JP2018135198A | ||||
| JP2015024881A | ||||
| JP2009161289A | ||||
| JP2233493A | ||||
| JP2002265174A |
Foreign References:
| WO2016207683A1 |
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office