The invention discloses a manhole cover opener comprising a base, supports and an H-shaped crossbeam welded by channel steel. One end of the crossbeam is cut to a T-shaped structure. The base is provided with two vertical supports which are arranged at an interval, the T-shaped end of the crossbeam is inserted between the two supports and connected with the two supports through bolts. The crossbeam is perpendicular to the supports and pivots the bolts, the upper bottom face of the crossbeam is provided with a U-shaped handle, and the crossbeam has a vertical connecting hole which is 2/3 to 4/5 of the length of the crossbeam away from the connecting end. The invention is easy to operate, mechanical work almost replaces manual work in the past, the measurers' labor can be saved, the work efficiency can be raised, and the construction period of the outside work can be greatly shortened.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Manhole cover opener


    Beteiligte:
    YIN ZHENYING (Autor:in) / ZHU XIANG (Autor:in)

    Erscheinungsdatum :

    02.09.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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



    MANHOLE COVER OPENER

    BAEK YOUNG HO | Europäisches Patentamt | 2022

    Freier Zugriff

    MANHOLE COVER OPENER

    Europäisches Patentamt | 2022

    Freier Zugriff

    Opener for Manhole Cover

    Europäisches Patentamt | 2021

    Freier Zugriff

    Opener for Manhole Cover

    LEE JUNG SOO | Europäisches Patentamt | 2021

    Freier Zugriff

    EASY LEVER MANHOLE OPENER

    Europäisches Patentamt | 2024

    Freier Zugriff