A method of hazard highlighting for drawing visual attention to the alignment of first and second members, the first member having a first plane working surface and a first working edge; the second member having a second plane working surface and a second working edge; the first and second working edges being separated by a working clearance; the first and second members being displaceable relative to one another wherein, in a first operating configuration, the first and second plane working surfaces lie in a common plane with the first and second working edges juxtaposed with the working clearances separated by a minimum distance; and, in a second configuration, the first and second plane working surfaces do not lie in the common plane and the first and second working edges are displaced from one another to a greater or lesser degree with the working edges being separated by a distance greater than minimum; the method including the step of projecting a light ray or pattern from a location associated with the first working surface towards the second working surface and across the working clearance so that to an observer situated above the first and second working surfaces and in the first configuration the projected light ray or pattern appears as a continuous image extending across both working surfaces; and in the second configuration the projected light ray or pattern becomes an image visually interrupted in the vicinity of the working clearance by comparison with the continuous image of the first configuration.


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    Titel :

    HAZARD HIGHLIGHTING METHOD AND APPARATUS


    Beteiligte:

    Erscheinungsdatum :

    2016-06-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme



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