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Title:
HANDRAIL ABNORMALITY DETECTION SYSTEM FOR PASSENGER CONVEYOR
Document Type and Number:
WIPO Patent Application WO/2016/027342
Kind Code:
A1
Abstract:
Provided is a handrail abnormality detection system for a passenger conveyor, the handrail abnormality detection system being capable of detecting a crack in a handrail regardless of the size, shape, etc. of the crack. This handrail abnormality detection system for a passenger conveyor is provided with: a distance detection device 5 which is provided inside the path of a handrail 4 moving and circulating while edges formed on both sides of an opening in a C-shaped cross-sectional shape are faced inward, faces the edges in the thickness direction of the edges, and detects the distance to the edges in the thickness direction of the edges; and a control device 6 for detecting an abnormality in the handrail 4 on the basis of the distance to the edges in the thickness direction thereof detected by the distance detection device 5.

Inventors:
SAKAI, Daisuke (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2014/071863
Publication Date:
February 25, 2016
Filing Date:
August 21, 2014
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
B66B29/00; B66B31/02
Foreign References:
JPH08133651A1996-05-28
JP5156438B22013-03-06
JP4266176B22009-05-20
JPS643775U1989-01-11
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (TAKADA, TAKAHASHI & PARTNERS Konwa Bldg. 7F, 12-22, Tsukiji 1-chome, Chuo-k, Tokyo 45, 〒1040045, JP)
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