Buckles – buttons – clasps – etc.
Patent
1975-08-21
1977-06-28
Miller, Jr., George H.
Buckles, buttons, clasps, etc.
240103R, G03B 1502, F21V 700
Patent
active
040327698
ABSTRACT:
A multilamp photoflash array with lamp-reflector units in linear rows facing in opposite directions and nested back-to-back. The rows of reflectors for both sides of the array are vacuum-formed from a single sheet web between the reflector rows for providing a spring-hinged center support. Each reflector has a parabolic surface with an elongated cylindrical recess behind its associated tubular lamp whereby an air space is provided between the reflector and lamp which functions as a thermal insulator for minimizing heat distortion of adjacent reflectors upon flashing of the lamp.
REFERENCES:
patent: 3598984 (1971-08-01), Slomski
patent: 3598985 (1971-08-01), Harnden, Jr. et al.
patent: 3614412 (1971-10-01), Bellows
patent: 3725693 (1973-04-01), Anderson et al.
patent: 3774020 (1973-11-01), Heeman et al.
patent: 3857667 (1974-12-01), Vetere et al.
Armstrong Donald E.
Audesse Emery G.
Hartman Donald W.
Coleman Edward J.
GTE Sylvania Incorporated
Miller Jr. George H.
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