A manually operated counterweight hoist including a batten operable to support a load, an arbor operable to support one or more counterweights, a hand line operable to move the batten or the arbor, a brake operable to prevent movement of the arbor and the batten by constricting movement of the hand line, a brake actuator operable to activate the brake, a sensor that measures a speed of the arbor, and a controller including an electronic processor. The controller is operatively coupled to the sensor and the brake actuator. The controller is configured to receive a measurement signal from the sensor, determine whether the speed of the arbor exceeds a threshold based on the measurement signal, and activate the brake actuator when the speed of the arbor exceeds the threshold.


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    Titel :

    DIGITAL INTERFACE FOR A MANUAL COUNTERWEIGHT HOIST


    Beteiligte:
    NOLAN TIMOTHY P (Autor:in) / GIBBS KENRIC (Autor:in) / RICKS STEVEN (Autor:in)

    Erscheinungsdatum :

    27.07.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS / A63J DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE , Einrichtungen für Theater, Zirkusse oder dgl.



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