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US 2002/0153151 A1Published application
Heavy electrical fixture ceiling brace
OwnerJerry J. Spadaroinventor
Life of this patent
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Abstract
A horizontally extending brace secured across ceiling beams is coupled with an externally threaded metal rod whose lower ends extend into an electrical box rated at a given weight limit to thread with a reducing coupler at one end, at an opposite end of which a nipple is arranged to thread, with the nipple receiving the electrical cables passing upwardly from an electrical fixture connected with it, such that the weight of the fixture threaded to the nipple is supported substantially only by the coupler, the nipple, the metal rod and the horizontally extending brace, and not by the electrical box.
Claims14
The combination comprising:
- a horizontally extending brace secured across ceiling beams angularly aligned with respect thereto;
- first and second co-axial apertures on opposing top and bottom surfaces of said brace;
- an externally threaded metal rod extending through said first and second apertures;
- an electrical box rated at a given weight limit and having an opening receiving a lower end of said threaded rod;
- a coupler within said electrical box having a first internal thread of diameter to mate with threads at said lower end of said rod, and also having a second internal thread of lesser diameter;
- a threaded nipple of external diameter to mate with said second internal thread of said coupler, while extending slightly outwardly of said electrical box;
- with said coupler also having a pair of apertures on sides thereof receiving electrical cables passing upwardly through said nipple from an electrical fixture connected thereto;
- and characterized in that the weight of said fixture threaded to said nipple is supported substantially only by said coupler, said nipple, said metal rod and said horizontally extending brace.
5 more elements
Dependencies are inferred from the claim text.