The present invention relates to an opening/closing device for a manhole cover, capable of enabling a worker to conveniently open/close a manhole cover and improving portability and movability to make a considerable improvement in workability. In accordance with the present invention, the opening/closing device for a manhole cover, which is used to open or close a manhole cover on the ground, includes: a support body having a support part and a pair of leg parts installed at both ends of the support part to be vertical; a jack member having a seat part placed on the support part of the support body, a lifting part installed to be liftable in an upper part of the seat part, and a receiving part installed on the top of the lifting part; and a chain member having a middle part connected to the receiving part of the jack member and having an end fixed to the manhole cover.

    본 발명은 작업자가 간편하게 맨홀 덮개의 개폐가 가능하고 휴대 및 이동성능을 향상시켜 작업성을 대폭향상시킨 맨홀 덮개의 개폐장치를 개시한다. 본 발명은 지면에서 맨홀 덮개를 개방하거나 개폐하기 위한 맨홀 덮개의 개폐장치에 있어서, 지지부와 상기 지지부의 양단에 수직하게 설치된 한 쌍의 다리부를 구비한 지지체; 상기 지지체의 상기 지지부에 안착되는 시트부, 상기 시트부의 상부에서 승하강가능하게 설치된 승강부, 및 상기 승강부의 상단에 설치된 받이부를 구비한 잭부재; 및 상기 잭부재의 상기 받이부에 중간이 연결되고 상기 맨홀 덮개에 단부가 고정되는 체인부재를 포함하여 이루어진 것을 특징으로 한다.


    Access

    Download


    Export, share and cite



    Title :

    Opening and closing apparatus for manhole cover


    Additional title:

    맨홀 덮개의 개폐장치


    Contributors:

    Publication date :

    2021-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    E02D FOUNDATIONS , Gründungen / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



    OPENING AND CLOSING APPARATUS FOR MANHOLE COVER

    JUNG HAN JU / PARK SE YOUNG / PARK KI OK | European Patent Office | 2024

    Free access

    OPENING AND CLOSING APPARATUS FOR MANHOLE COVER

    YOON JOON JAE | European Patent Office | 2022

    Free access

    OPENING AND CLOSING DEVICE FOR MANHOLE COVER

    SON MOO HYEON / CHANG MOON SUB / KIM YOUNG CHUN | European Patent Office | 2023

    Free access

    opening and closing device for manhole cover

    European Patent Office | 2024

    Free access

    DEVICE FOR OPENING AND CLOSING MANHOLE COVER

    CHOI JAE SUNG | European Patent Office | 2018

    Free access