To provide a speed governing device for elevators with a single overspeed switch that operates stably.SOLUTION: An operation piece 152 in an overspeed switch 140 activated when the operation piece 152 is rotated around an axis center AX to disengage the actuator 146 comprises: a first bar portion 154 having an engagement portion 154A at one end; a second bar portion 156 having a first contact portion 158A and a second contact portion 160A at each of the two ends and connected to the first bar portion 154 in a T-shaped intersection; and a first rotary support portion 172 and a second rotary support portion 174 that support rotation around the axis center AX of each of the first contact portion 158A and the second contact portion 160A, respectively.SELECTED DRAWING: Figure 8

    【課題】安定して作動する単一の過速スイッチを備えたエレベータ用調速装置を提供する。【解決手段】作動子140が軸心AX周りに回転されてアクチュエータ146との係合状態が解除されることにより作動する過速スイッチ140において、作動子140を、一端部に係合部154Aを有する第1バー部154と、両端部の各々に第1当接部158Aと第2当接部160Aが設けられ、第1バー部154とT字状に交差して接続された第2バー部156と、第1当接部158Aおよび第2当接部160A各々の軸心AX周りの回転をそれぞれ支持する第1回転支持部172および第2回転支持部174を含む構成とした。【選択図】図8


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    Title :

    SPEED GOVERNING DEVICE FOR ELEVATOR


    Additional title:

    エレベータ用調速装置


    Contributors:

    Publication date :

    2022-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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