An aerial lift having a basket or cage having a control panel for an operator standing in the basket to maneuver the basket to a desired location, a safety switch means operable to prevent further movement of the basket in unsafe conditions, and a safety device comprising a load cell or strain gauge on the cage and an auxiliary safety switch operatively connected to the load cell via an amplifier is connected in series with the safety switch means, the auxiliary switch being operable to cut off power to the safety switch means when the sensed load on the cage exceeds a predetermined value, typically if the load strikes a stationary object.


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    Titel :

    Safety device for an aerial lift


    Beteiligte:
    CUMMINGS PAUL (Autor:in)

    Erscheinungsdatum :

    27.10.2015


    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



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