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Title:
ROPE ABNORMALITY DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/022469
Kind Code:
A1
Abstract:
A rope abnormality detection device (10) is structured from a detection portion (11) that is located close to a rope (40) including wires made of steel and magnetically detects abnormality such as wire breakage, and a signal processing portion (12) for processing a signal obtained from the detection portion. A fixer (30) for holding the rope abnormality detection device (10) at a specific position in a lift/lower passage of an elevator is provided, the position being such that the rope moves relative to the position and that the distance between the position and a running passage of the rope is kept constant.

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Inventors:
Nakagawa, Toshiaki (70-8, Ushinuma Akiruno-shi, Tokyo, 197-0826, JP)
Yamaguchi, Yoshihiro (202 Katamachi, Fuchu-shi, Tokyo, 183-0021, JP)
Application Number:
PCT/JP2003/010849
Publication Date:
March 18, 2004
Filing Date:
August 27, 2003
Export Citation:
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Assignee:
TOSHIBA ELEVATOR KABUSHIKI KAISHA (5-27, Kitashinagawa 6-chome Shinagawa-ku, Tokyo, 141-0001, JP)
International Classes:
B66B5/02; B66B7/12; (IPC1-7): B66B5/02
Attorney, Agent or Firm:
Yamashita, Hajime (YAMASHITA HAJIME PATENT OFFICE, 8th Floor Sumitomo-Hamamatsucho Building, 18-16, Hamamatsucho 1-chom, Minato-ku Tokyo, 105-0013, JP)
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