An overhead hazard warning system for an elevated work platform comprises a projector coupled to the work platform and configured to project a pattern of light downwardly to produce a visual indication on a surface below the work platform, a range finder configured to produce an elevation signal representative of a height of the projector relative to the surface below the work platform, and a controller connected to receive the elevation signal and configured to control the projector based on the elevation signal.


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    Title :

    Overhead hazard warning systems


    Contributors:

    Publication date :

    2016-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / F16P SAFETY DEVICES IN GENERAL , Schutzvorrichtungen 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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