An elevating body derailment detection device includes: a photoelectric sensor provided on an elevating body elevated and lowered along a guide rail, including a light emitter which performs irradiation of light and a photodetector which receives the light, and attached to a position where the photodctector is blocked from receiving the light by the guide rail or a wire provided in parallel with an elevating and lowering direction of the elevating body; and a detector configured to detect that the elevating body is detached from the guide rail. The photodetector receives the light in response to the photoelectric sensor moving from the position. The detector detects that the elevating body is detached from the guide rail when the photodetector receives the light.


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    Titel :

    ELEVATING BODY DERAILMENT DETECTION DEVICE


    Beteiligte:
    SATO SHINICHI (Autor:in)

    Erscheinungsdatum :

    2024-01-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / G01V Geophysik , GEOPHYSICS



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