Supports – Suspended supports – Fittings
Reexamination Certificate
2000-08-22
2003-07-29
Braun, Leslie A. (Department: 3632)
Supports
Suspended supports
Fittings
C248S345000, C416S005000, C416S24400R, C403S378000
Reexamination Certificate
active
06598846
ABSTRACT:
This invention relates generally to the art of ceiling fans and more particularly to an adaptor to permit interchangeable components for different size fixtures.
BACKGROUND OF THE INVENTION
In the art of ceiling fans, such fans are normally suspended from a ceiling through a fixture which permits attachment of a downrod which extends downwardly to an appropriate position for placement of the fan and motor. The downrod is generally a hollow metallic feature threaded at both ends, much in the nature of a metallic plumbing pipe to permit threaded attachment to the ceiling and to the fan motor. Such downrods generally come in two sizes, ½″ and ¾″ outer diameter. The existing of the two sizes thus requires the existence of two sizes of mounting fixtures both for the ceiling and for the fan motor.
SUMMARY OF THE INVENTION
It is thus an object of this invention to provide an adaptor for permitting interchangeable components so as to utilize two sizes of downrods.
It is a further and more particular object of this invention to provide an adaptor for a downrod hanger ball so as to permit the same hanger ball to be utilized for multiple sizes of downrods.
These as well as other objects are accomplished by an improvement in the form of an adaptor permitting engagement of a hanger ball by a smaller size downrod wherein the adaptor is in the form of a threaded cylinder having a threaded outside for engagement by the hanger ball and a threaded inside for engagement by the smaller downrod. The downrod and adaptor have aligned diametric holes for receipt of a retaining pin. The hanger ball has a shoulder above the portion thereof for supporting and immobilizing the pin therein.
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Braun Leslie A.
Morrison Naschica S.
Nexsen Pruet Jacobs & Pollard LLC
Prime Home Impressions, LLC
Schwab Charles L.
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