A method and apparatus for lifting loads support from a crane to eliminate swaying of the load includes providing the crane with a laser source on either side of the crane. The center of gravity of the load is marked on the load and the boom is positioned such that the laser lights projection on the ground or on surface of the load and the center of gravity of the load are aligned in a straight line.


    Access

    Download


    Export, share and cite



    Title :

    Crane position indicator


    Contributors:

    Publication date :

    2021-01-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS



    Crane Position Indicator

    CRANNEY III RICHARD A | European Patent Office | 2021

    Free access

    Crane Position Indicator

    CRANNEY III RICHARD A | European Patent Office | 2019

    Free access

    Crane indicator and crane

    LIU MUNAN / WU GUORUI / WEI SHICHI | European Patent Office | 2020

    Free access


    CRANE POSITION DETERMINATION DEVICE, MOBILE CRANE, AND CRANE POSITION DETERMINATION METHOD

    MAIERDAN MAIMAITIMIN | European Patent Office | 2022

    Free access