A working machine 1, such as a tele-handler, has a body 2 and a load handling apparatus 6, 7, coupled to the body. The load handling apparatus is moveable with respect to the body by an electrically driven actuator assembly 10. A controller (24 fig.2) receives a tilt signal and issues a control signal to an electrical drive element (25 fig.2) of the electrically driven actuator assembly based on the value of the tilt signal relative to a tilt threshold. The controller may reduce the speed of the of the drive element as the tilt threshold is approached and as the limit is reached may only allow movement in a direction that reduces the amount of tilt. The electrically driven actuator may also have a hydraulic actuator and pump (26 fig.2), the pump being driven by an electric motor (25 fig.2). The amount of fluid may be restricted by the amount of tilt which may have a different threshold depending on the orientation of the load handling apparatus.


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    Titel :

    A working machine and a controller


    Beteiligte:
    TOM RUSHTON (Autor:in) / RICHARD BROOKS (Autor:in)

    Erscheinungsdatum :

    2020-09-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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 / E02F Baggern , DREDGING



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