Sealed beam lamp unit

Details Sealed beam lamp unit Sealed beam lamp unit

1982-02-05

1984-01-10

Lechert, Jr., Stephen J.

Illumination

Light source and modifier

With sealing means or artificial atmosphere

362158, 362307, 362308, 362310, 362311, 362374, 313113, F21V 2900

Patent

active

044256078

ABSTRACT:
An adhesively sealed beam lamp unit including a lens and reflector having substantially rectangular peripheries and cooperating and opposing step-shaped sealing surfaces located approximately about the lens and reflector peripheries. Contact between the lens and reflector sealing surfaces is limited to one or more portions along the long sides of a pair of opposing steps. Additionally reservoirs, located on either side of the sealing surfaces, restrict excess adhesive from spreading onto areas affecting lamp unit optical performance or outer dimensions.

REFERENCES:
patent: 4240131 (1980-12-01), Albrecht

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