Illumination – With static structure – Wall or ceiling
Patent
1984-07-09
1986-12-23
Myhre, Charles J.
Illumination
With static structure
Wall or ceiling
362219, 174 48, 339 20, 339 22R, 52 39, F21S 114
Patent
active
046316485
ABSTRACT:
A master power track is mounted along the periphery of a suspended ceiling. Plug-in-connected with this master track are light-weight modular power tracks serving as grid members of the suspended ceiling. The master track, which also serves as the conventional L-bar for the suspended ceiling, is provided with a relatively high frequency voltage; which voltage is then available at any point along the individual modular power tracks. The modular power tracks also serve as the T-bars of the suspended ceiling. Ceiling panels and light-weight fluorescent lighting fixtures are placed in the suspended ceiling grid structure, with each lighting fixture being plug-in-connected with one of its adjacent modular power tracks. The plug-in connection is accomplished below rather than above the ceiling; which implies that the space above the suspended ceiling may safely be used as air plenum. However, by using grooved ceiling panels and special connect means, the resulting ceiling is completely conventional in appearance. The fluorescent lighting fixtures are particularly light of weight due mainly to the fact that they are powered by high frequency voltage; which high frequency voltage permits the use of fluorescent lamp ballasting means of greatly reduced weight. Thus, there is provided a suspended ceiling wherein the light-weight lighting fixtures are readily installed and/or moved by simple plug-in connections, without requiring the services of a licensed electrician, yet in a manner that complies with the National Electrical Code.
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Myhre Charles J.
Okonsky David A.
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