To provide a chain looseness detection device for a passenger conveyor that can accurately detect looseness of a chain.SOLUTION: A chain looseness detection device for a passenger conveyor includes: a distance detection part for detecting a distance to a chain looped between sprockets; and a control unit for detecting that looseness of the chain occurs by a predetermined reference value or more when the distance detection part detects a distance along a vertical direction which exceeds a distance equivalent to a predetermined reference looseness amount.SELECTED DRAWING: Figure 3

    【課題】チェーンの緩みを正確に検出することができる乗客コンベアのチェーン緩み検出装置を提供する。【解決手段】スプロケット間に掛け渡されたチェーンまでの距離を検出する距離検出部と、距離検出部により所定の基準緩み量に相当する距離を超える鉛直方向に沿った距離が検出された場合に所定の基準値以上のチェーンの緩みが発生したと判断する制御部と、を備える。【選択図】図3


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    Title :

    CHAIN LOOSENESS DETECTION DEVICE FOR PASSENGER CONVEYOR


    Additional title:

    乗客コンベアのチェーン緩み検出装置


    Contributors:

    Publication date :

    2021-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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