The invention relates to a locking system for a telescopic crane jib, in particular for a mobile crane, in which a lock is established between a telescoping cylinder (10, 20) and a telescopic part (1-4) by means of a locking unit (21) in order to extract and retract the telescopic parts, and the locking unit (21) is disposed on the telescoping cylinder (10, 20) in such a way that it can be moved longitudinally.


    Access

    Download


    Export, share and cite



    Title :

    Locking system for telescopic crane jib with movable locking unit


    Contributors:

    Publication date :

    2015-07-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



    Telescopic arm locking device, telescopic arm system and crane

    YIN LELONG / YANG CHENG | European Patent Office | 2025

    Free access

    Telescopic mechanism with locking device and crane

    MA SHANHUA / CHEN SUXUN / ZHU WEI et al. | European Patent Office | 2023

    Free access

    LOCKING DEVICE FOR TELESCOPIC BOOM, TELESCOPIC BOOM, AND MOBILE CRANE

    DETLEF UDERHARDT | European Patent Office | 2022

    Free access

    LOCKING DEVICE FOR A TELESCOPIC BOOM, TELESCOPIC BOOM, AND MOBILE CRANE

    UDERHARDT DETLEF | European Patent Office | 2022

    Free access

    Locking device for a telescopic boom, telescopic boom, and mobile crane

    UDERHARDT DETLEF | European Patent Office | 2023

    Free access