A machine operator safety system for selectively providing hydraulic power to a boom assembly of an aerial device upon attaching a lanyard. The machine operator safety system comprises a set of upper boom controls within the utility platform, a lanyard anchor housing with a lanyard anchor therein, an actuator for selectively positioning the lanyard anchor housing in either a first position or a second position, and a hydraulic valve. When the lanyard anchor housing is in the first position, which conceals the lanyard anchor, the hydraulic valve blocks the flow of hydraulic power to the set of upper boom controls. When the lanyard anchor housing is in the second position, which exposes the lanyard anchor for attachment of the lanyard, the hydraulic valve directs the flow of hydraulic power to the set of upper boom controls.


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    Title :

    Lanyard interlock assembly


    Contributors:

    Publication date :

    2015-10-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E04G SCAFFOLDING , Baugerüste / A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING , Vorrichtungen, Geräte oder Verfahren zur Lebensrettung / 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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