A lift system (100), comprising:a first lift unit (110) operated by a first hydraulic actuator (174);a second lift unit (110) operated by a second hydraulic actuator (174);a hydraulic pump (190); a first hydraulic line supplying hydraulic fluid from the hydraulic pump (190) to the first hydraulic actuator (174); anda second hydraulic line supplying hydraulic fluid from the hydraulic pump (190) to the second hydraulic actuator (174);a shut-off circuit (500) comprising a first pressure switch (522) configured to detect the pressure of the hydraulic fluid in the first hydraulic line; wherein the first pressure switch (522) is configured to, responsively to detecting a reduced pressure of hydraulic fluid in the first hydraulic line, control the supply of hydraulic fluid to the first hydraulic actuator (174) and the second hydraulic actuator (174) to cease downward motion of the first lift unit (110) and the second lift unit (110).


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    Titel :

    HYDRAULIC LIFT APPARATUS


    Weitere Titelangaben:

    HYDRAULISCHER HEBEVORRICHTUNG
    ÉLÉVATEUR HYDRAULIQUE


    Beteiligte:
    TAYLOR STEVEN H (Autor:in) / KELLEY BRIAN E (Autor:in) / KATERBERG KEVIN S (Autor:in) / DEUERLING AUSTIN (Autor:in)

    Erscheinungsdatum :

    11.11.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / 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



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