Illumination – Elongated source light unit or support – Housing
Patent
1977-04-11
1978-04-18
Hayes, Monroe H.
Illumination
Elongated source light unit or support
Housing
F21S 110
Patent
active
040853187
ABSTRACT:
An arrangement for lighting a given straight section of a roadway having spaced-apart parallel curbs is disclosed herein and includes a luminaire positioned a substantial distance to one side of and above the roadway curbs. The luminaire includes a reflector, light source and a refractor which cooperate to effectively and efficiently light the given roadway section while, at the same time, minimizing the amount of light which spills onto opposite sides of the roadway curbs.
REFERENCES:
patent: 2229034 (1941-01-01), Bergmans
patent: 2486558 (1949-11-01), Franck
patent: 2647202 (1953-07-01), Elmer
patent: 2886698 (1959-05-01), Dorman
patent: 3284625 (1966-11-01), Barnes
patent: 3350556 (1967-10-01), Franck
Odle Herbert Arnold
Ruehl Donald Edward
Shadwick Jan
Sullivan Daryl Dean
Welty Dale Eugene
Hayes Monroe H.
Johns-Manville Corporation
Kelly Joseph J.
Krone Robert M.
Shear Stephen C.
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