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Patent Searching and Data


Title:
MALFUNCTION DETECTION DEVICE FOR PASSENGER CONVEYOR
Document Type and Number:
WIPO Patent Application WO/2019/016884
Kind Code:
A1
Abstract:
This malfunction detection device for a passenger conveyor includes: a first sensor disposed on an upper-side horizontal part; a second sensor disposed on a lower-side horizontal part; and a control device into which the output from the first sensor and the second sensor is input. The first sensor and the second sensor each measure the distance to the side surface, along the advancement direction, of each of multiple steps. On the basis of the amount of change in the values measured by the first sensor and the second sensor, the control device detects malfunctions in the passenger conveyor.

Inventors:
OGURA KENJI (JP)
Application Number:
JP2017/026075
Publication Date:
January 24, 2019
Filing Date:
July 19, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B29/00; B66B27/00
Foreign References:
JP2006273549A2006-10-12
JPS5520370U1980-02-08
JP2005067847A2005-03-17
JP2013107734A2013-06-06
JP2016016926A2016-02-01
JPH06211480A1994-08-02
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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