The present invention relates to a crane (1) comprising a mast (2),_an elongated boom (3) connected to the mast having a front portion (6) extending on one side of the mast and a rear portion (8) extending on the opposite side of the mast, and the boom (3) is linearly movable relative to the mast such that the length of the front portion and the length of the rear portion is adjustable by moving the boom relative to mast, and a counterweight (12) movably connected to the boom (3). The boom (3) and the counterweight (12) are arranged so that they can be moved independent of each other, and the counterweight and the boom are arranged so that the counterweight can pass the mast and be moved between the front portion (6) and the rear portion (8) independent of the position of the boom (3) with respect to the mast (2).


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    Title :

    Grúa que comprende una pluma móvil y un contrapeso móvil


    Contributors:

    Publication date :

    2023-04-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Spanish


    Classification :

    IPC:    B66C Krane , CRANES



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