Recessed light fixture

Details Recessed light fixture Recessed light fixture

2007-01-30

2007-01-30

Husar, Stephen F (Department: 2875)

Illumination

Light source and modifier

With sealing means or artificial atmosphere

C362S153100, C362S276000, C362S364000

Reexamination Certificate

active

11100006

ABSTRACT:
A recessed insert fixture uses a housing shaped as a hollow, single piece cylinder that comprises a top and a bottom and starts from the top with an internal, shallow cylindrical cavity and continues downwardly with an internal, deep cylindrical cavity. The interior diameter of the former is lesser than the interior diameter of the latter. A first annular channel starting from the top is coaxial with the internal, shallow cylindrical cavity. A second annular channel extends radially, proximately to the top, into a wall of the internal, shallow cylindrical cavity. Two O-rings are used. One is inserted into first annular channel. The other one is inserted into the second annular channel. When the fixture is assembled, the first O-ring is compressed directly by a lid, the other one indirectly by the same lid that acts on a flange and surface of a lamp reflector.

REFERENCES:
patent: 5156454 (1992-10-01), White
patent: 5481443 (1996-01-01), Wagner et al.
patent: 5887966 (1999-03-01), Eissner et al.
patent: 6550931 (2003-04-01), Olson, Jr.
patent: 6840649 (2005-01-01), Reinert, Sr.
patent: 2004/0156191 (2004-08-01), Biasoli et al.
patent: 2004/0184263 (2004-09-01), Patti

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