Sealed prefocused mount for plastic par lamp

Details Sealed prefocused mount for plastic par lamp Sealed prefocused mount for plastic par lamp

1979-07-30

1982-07-13

Nelson, Peter A.

Illumination

Light source and modifier

With sealing means or artificial atmosphere

362299, 362306, 362308, 362310, 362329, 362346, 362350, F21V 2900

Patent

active

043397905

ABSTRACT:
Improved positioning means are provided to locate a light source at the focus of a parabolic aluminized reflector (PAR) lamp and, in particular to improved positioning means which center said light source in the plastic reflector of a PAR lamp and preferably an all plastic PAR lamp. The preferred mount construction being employed utilizes a plastic block having mating parts which define a cavity from which lead wires extend and which is filled with an elastomeric polymer providing both a leak-proof seal around the lead wires as well as a more reliable barrier to moisture leakage through the mount assembly. The improved positioning means can be rib elements located in the receptacle means on said reflector to which said plastic mount is joined.

REFERENCES:
patent: 3314331 (1967-04-01), Wiley
patent: 3511982 (1970-05-01), Salter
patent: 3625796 (1971-12-01), Graves
patent: 3725698 (1973-04-01), Craig
patent: 3732415 (1973-05-01), Lindae
patent: 3784807 (1974-01-01), Boekkooi
patent: 3885149 (1975-05-01), Wolfe
patent: 4019045 (1977-04-01), Bassett
patent: 4100448 (1978-07-01), Chipner

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