A mining or construction vehicle comprising an extendable boom comprised of a first and a second telescopic section extending in a longitudinal direction, wherein the first telescopic section is arranged to be connected to the mining or construction vehicle and a hydraulic device is arranged to be connected to a mounting device at a free end of the second telescopic section, wherein a hydraulic cylinder is arranged in connection to the extendable boom to govern extension of said extendable boom. Hydraulic conduit for supply of hydraulic fluid to the hydraulic device on the mounting device are arranged through the length of the extendable boom.


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    Title :

    EXTENDABLE BOOM OF A DRILL RIG AND DRILL RIG COMPRISING SAID EXTENDABLE BOOM


    Additional title:

    AUSZIEHBARER AUSLEGER EINER BOHRANLAGE UND BOHRANLAGE MIT DIESEM AUSZIEHBAREN AUSLEGER
    FLÈCHE EXTENSIBLE D'UNE INSTALLATION DE FORAGE ET INSTALLATION DE FORAGE COMPRENANT CETTE FLÈCHE EXTENSIBLE


    Contributors:

    Publication date :

    2024-02-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E21C Bergbau oder Steinbruchbetrieb , MINING OR QUARRYING / 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 / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



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