Material or article handling – Plural – static structures for supporting discrete loads and... – Load-underlying members
Patent
1992-01-13
1993-06-15
Huppert, Michael S.
Material or article handling
Plural, static structures for supporting discrete loads and...
Load-underlying members
294907, 901 9, 901 35, 901 47, 395 94, 395126, B25J 1308
Patent
active
052192580
ABSTRACT:
The illumination system of the present invention is used with an object handling system to selectively illuminate a predefined target area in a manner that creates a dark area outside of the target area. This illumination system is used in conjunction with an object handling system that contains a plurality of object storage locations located in an array format, such that object storage locations are adjacent to each other both vertically and horizontally. In order to precisely illuminate a selected object storage location and not the adjacent object storage locations, the illumination system of the present invention angularly orients a pair of illumination devices with reference to the object storage locations in order to create shadows outside of a selected object storage location while illuminating the selected object storage location. This is accomplished by displacing the illumination sources such that their angular relationship with respect to the selected object storage location causes the selected object storage location and the object placed therein to cast a shadow beyond the boundaries of the selected object storage location.
REFERENCES:
patent: 3076566 (1963-02-01), Dennis
patent: 3822025 (1974-07-01), Loos
patent: 4908777 (1990-03-01), Wolfe
patent: 5033783 (1991-07-01), Izumi et al.
Huppert Michael S.
Storage Technology Corporation
Underwood Donald W.
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