To provide a pit ladder device capable of moving a pit ladder with light force when the pit ladder is moved between a storage position and a use position, and capable of preventing a failure of the pit ladder.SOLUTION: A pit ladder device comprises a pit ladder 12 the upper part of which is supported by a landing sill 7 in use, a fixing part provided on the upper part of the pit ladder, engaged with the landing sill 7 at the use position where the pit ladder is used, and detachably restricting the horizontal movement of the pit ladder, a supporting part 15 extended and provided at a position facing the middle part of the pit ladder on a wall surface 3 on the landing sill 7 side of a hoistway 1 and supporting the falling direction of the pit ladder between the use position and the storage position not interfering with the elevator car and where the pit ladder is stored, a supported part provided in the middle part of the pit ladder and supported by the supporting part, and a movable part (roller) 17 provided on the lower end of the pit ladder, supporting the load acting on the pit ladder, and capable of moving the pit ladder.SELECTED DRAWING: Figure 1

    【課題】ピット梯子を収納位置と使用位置との間で移動するとき、軽い力で移動でき、また、ピット梯子の破損を防止可能なピット梯子装置を提供する。【解決手段】使用時に乗場敷居7に上部が支持されるピット梯子12と、ピット梯子の上部に設けられ、ピット梯子が使用される使用位置で乗場敷居7に係合して、着脱自在にピット梯子の水平方向の移動を制限する固定部と、昇降路1の乗場敷居7側の壁面3でピット梯子の中間部に対向する位置に延在して設けられ、使用位置と、前記エレベータの乗りかごに干渉しない位置であってピット梯子が収納される収納位置と、の間でピット梯子の倒れ方向を支持する支持部15と、ピット梯子の中間部に設けられ、支持部に支持される被支持部と、ピット梯子の下端部に設けられ、ピット梯子に作用する荷重を支持すると共に、ピット梯子を移動可能にする可動部(ローラ)17と、を備えた。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    PIT LADDER DEVICE FOR ELEVATOR


    Additional title:

    エレベータのピット梯子装置


    Contributors:

    Publication date :

    2022-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



    ELEVATOR PIT LADDER DEVICE

    WAKAMORI JUNKO / KAMADA HIRONOBU / MORINAGA SHOGO et al. | European Patent Office | 2020

    Free access

    LADDER DEVICE OF ELEVATOR

    IDE HIROKI | European Patent Office | 2020

    Free access

    ELEVATOR PIT LADDER DEVICE

    FUKUDA HARUHIKO / NISHINO TAKAHIRO | European Patent Office | 2020

    Free access

    ELEVATOR PIT LADDER DEVICE

    FUKUDA HARUHIKO / NISHINO TAKAHIRO | European Patent Office | 2018

    Free access

    PIT LADDER DEVICE FOR ELEVATOR

    MORINAGA CHIAKI / HOSAKA MASARU | European Patent Office | 2016

    Free access