Illumination – Elongated source light unit or support – Plural sources or supports therefor
Reexamination Certificate
2003-03-03
2003-11-25
Tso, Laura K. (Department: 2875)
Illumination
Elongated source light unit or support
Plural sources or supports therefor
C362S221000, C362S260000, C362S238000, C362S241000
Reexamination Certificate
active
06652119
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to light fixtures for fluorescent lamps.
BACKGROUND
At present, a separate different light fixture is required for each fixture configuration holding one or more fluorescent lamps. In a given installation, this may vary from one or two different configuration fixtures to a multiple number. Manufacturers must therefore make and stock a commensurate number of individual, different configuration light fixtures for fluorescent lamps, as well as different sizes.
It would therefore be useful to provide a single light fixture that can hold a multiple number of different configurations of fluorescent lamps.
SUMMARY OF THE INVENTION
The invention is a multi-lamp fluorescent light fixture which includes provision for mounting a linear fluorescent lamp on each of its four longitudinal sides. A single ballast rated to supply four lamps is included inside the fixture reflector housing and the ballast is wired for connection to up to four sets of bracket-mounted lamp sockets. The light fixture may be mounted in any of three orthogonal illumination directions using one to four installed lamps. This results in at least twelve fixture installation options available for an installer.
Accordingly, it is a prime object of the invention to provide a single fixture that can hold a multiple number of different configurations of fluorescent lamps.
Another object is to provide a lamp fixture that is wired to start and supply up to four lamps simultaneously, using one ballast.
Yet another object is to replace at least five individual linear fluorescent light fixtures with a single, multi-lamp fixture.
REFERENCES:
patent: 4246629 (1981-01-01), Marrero
patent: 4253135 (1981-02-01), Black
patent: 5349508 (1994-09-01), Karbaf
Koslover Monty
Tso Laura K.
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