A load crane main boom of the telescopic type having cylinder-piston groups located inside the main boom tubular sections with reduced dimensions. The load crane main boom minimizes the main boom section thanks to a particular arrangement of the cylinder-piston groups. Each cylinder of each piston-cylinder group is connected to a respective boom section through at least one reinforcing rod extending perpendicular to the main boom axial direction and connected to respective section walls of the main boom. At least first and the second cylinder-piston group rods are further supported by a respective reinforcing plate, which is in turn connected to the respective boom section.


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    Title :

    Load crane main boom


    Contributors:

    Publication date :

    2021-01-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / 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



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