Illumination – With static structure – Wall or ceiling
Patent
1985-11-15
1987-02-24
Cross, E. Rollins
Illumination
With static structure
Wall or ceiling
362225, 362249, 362290, 362342, 362365, F21S 102
Patent
active
046462120
ABSTRACT:
A lighting fixture and ceiling structure incorporating same are disclosed. The fixture may be securely mounted within a ceiling grid work assembly by a simple downward movement of the fixture. Ceiling board is supported by being mounted on flanges integral with the fixture on the one hand and elements of the supporting grid on the other. The fixture and grid work interact so as to effect an accurate positioning of the fixture relative to the grid work by taking advantage of centering formations integral with the grid work.
REFERENCES:
patent: 3155324 (1964-11-01), Chen
patent: 3816880 (1974-06-01), Jacobs
patent: 4407011 (1983-09-01), Lahm
patent: 4494175 (1985-01-01), Gawad et al.
Colvin Arthur B.
Cross E. Rollins
Lightolier Incorporated
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