A mechanism that allows a ladder to be moved to either a use position or a retracted position. The ladder can be moved from the retracted position to the use position with a minimal effort, and the ladder moves by itself from the use position to the retracted position. A pit ladder apparatus for an elevator according to the present invention includes a position change means to be provided in a fixing metal frame fixed to the hoistway and allowing a ladder to be moved to either the use position when the ladder is used or the retracted position for retracting the ladder when it is not used so as not to interfere with operation of the elevator.


    Access

    Download


    Export, share and cite



    Title :

    Elevator pit ladder apparatus


    Contributors:

    Publication date :

    2022-09-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / E06C LADDERS , Leitern



    ELEVATOR PIT LADDER APPARATUS

    KAMADA HIRONOBU | European Patent Office | 2020

    Free access

    LADDER APPARATUS FOR ELEVATOR PIT

    KOBAYASHI YUKIKO | European Patent Office | 2019

    Free access

    LADDER APPARATUS BELOW ELEVATOR CAR

    SATO MASATO | European Patent Office | 2019

    Free access

    elevator check ladder

    LEE HYO CHEOL | European Patent Office | 2023

    Free access

    elevator check ladder

    European Patent Office | 2024

    Free access