The present invention provides a ladder apparatus for an emergency escape, comprising a ladder unit which is configured in the state of folding in a frame box installed in an escape hole formed in an escape space floor of a building and is unfolded toward the escape space floor when the frame box is opened. The ladder apparatus for an emergency escape also comprises a ladder descending unit provided inside the frame box and allowing the ladder unit to be unfolded at a constant speed when the ladder unit is unfolded from the frame box toward the escape space floor. Accordingly, the ladder apparatus for an emergency escape can prevent injury of an evacuee or an inspector caused by an unfolding ladder.

    본 발명에 의하면, 건물의 탈출공간바닥부에 형성된 탈출공에 설치 구성되는 테두리박스의 내부에 접혀진 상태로 구성된 상태에서 테두리박스의 개방시 대피공간바닥부를 향하여 펼쳐지는 사다리부를 포함하는 비상탈출용 사다리 장치에 있어서, 테두리박스의 내부에 구성되고 테두리박스로부터 사다리부가 대피공간바닥부를 향하여 펼쳐지는 경우 사다리부가 일정한 속도를 가지면서 펼쳐지도록 하는 사다리완강부를 포함하는 비상탈출용 사다리 장치가 제공된다.


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    Title :

    ladder apparatus for emergency escape


    Additional title:

    비상탈출용 사다리 장치


    Contributors:
    NA PAN JU (author)

    Publication date :

    2022-11-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    E06C LADDERS , Leitern / B66D Haspeln , CAPSTANS



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