A hydraulic crane comprising: - a first crane boom (15) pivotable in relation to a column (13) by a first hydraulic cylinder (16); - a second crane boom (17) pivotable in relation to the first crane boom by a second hydraulic cylinder (18); - a first link (24) articulately connected to an upper end of the first hydraulic cylinder by a first joint (J1), to the first crane boom by a second joint (J2) and to an inner end of the second hydraulic cylinder by a third joint (J3); and - a second link (25), which forms a connection between the upper end of the first hydraulic cylinder and the column or between the first link and the column. The first link (24) guides the third joint (J3) in an arcuate path about the second joint (J2) when the first crane boom is pivoted in relation to the column.


    Access

    Download


    Export, share and cite



    Title :

    HYDRAULIC CRANE


    Additional title:

    HYDRAULIKKRAN
    GRUE HYDRAULIQUE


    Contributors:

    Publication date :

    2019-11-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



    HYDRAULIC CRANE

    GUSTAFSSON PER / SIRÉN STEN | European Patent Office | 2019

    Free access

    HYDRAULIC CRANE

    NYLANDER ERIK | European Patent Office | 2018

    Free access

    HYDRAULIC CRANE

    GUSTAFSSON PER / SIRÉN STEN | European Patent Office | 2017

    Free access

    HYDRAULIC CRANE

    SIRÉN STEN / GUSTAFSSON PER / RYDAHL LARS | European Patent Office | 2017

    Free access

    Hydraulic crane

    GUAN KAIRI / ZHANG YAFAN | European Patent Office | 2022

    Free access