Illumination – Light source and modifier – Louvered or grid type modifier
Patent
1979-11-15
1982-03-23
Nelson, Peter A.
Illumination
Light source and modifier
Louvered or grid type modifier
362306, 362344, F21V 1106
Patent
active
043216587
ABSTRACT:
A headlamp has a shell containing a bulb and reflector. The shell has a front opening which is closed by a glass front lens, and a planar plastics protective screen. If the lens should be broken, the screen will normally prevent broken glass and other contaminants from reaching and damaging the reflector.
REFERENCES:
patent: 1921069 (1933-08-01), Buchanon
patent: 2001030 (1935-05-01), Kurtz
patent: 3032646 (1962-05-01), Chieger
patent: 3170635 (1965-02-01), Curtin
patent: 3610919 (1971-10-01), Winpisinger
patent: 4153928 (1979-05-01), Speedy
patent: 4197574 (1980-04-01), Weiss
Cibie Projecteurs
Levine Alan H.
Nelson Peter A.
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