Faceted parabolic-type reflector system

Details Faceted parabolic-type reflector system Faceted parabolic-type reflector system

1975-04-16

1977-06-07

Miller, Jr., George H.

Buckles, buttons, clasps, etc.

240 441, 240103A, F21V 709

Patent

active

040285421

ABSTRACT:
A luminaire including a segmented and faceted reflector of two sections describing a concave surface but approximately describing a plurality of paraboloid surfaces of revolution. With simple repositioning of the two reflector sections, a range of reflected beam widths may be achieved. The construction of the reflector sections provides economic fabrication without material reshaping or working and hence dulling of highly reflective material, the fabrication steps including V-notching and bending in two directions.

REFERENCES:
patent: 1519448 (1924-12-01), Gamain
patent: 2341658 (1944-02-01), Salani

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