Patent ID: 6598846
Filing Date: 2003-07-29
Classification: F04D,F16B,Y10T

Abstract:
A support for a ceiling fan comprising:an electrical box, a truncated ball unit having a flat top surface, a spherically shaped bottom supported by said electrical box, a stepped diameter vertical opening extending vertically through said ball unit including a cylindrical downrod bore for receiving a first downrod of a first exterior diameter, a cylindrical wall defining an enlarged bore above said cylindrical downrod bore and an upward facing horizontal shoulder between said cylindrical downrod bore and said enlarged bore, a cylindrically shaped adapter having a cylindrical exterior diameter complementary to said cylindrical downrod bore and, a cylindrical interior diameter with a threaded portion adapted for threaded engagement with a threaded exterior diameter end portion of a second downrod, said exterior diameter of said second downrod being smaller than said first exterior diameter of said first downrod, and aligned transverse openings in said threaded portions of said adapter and said second downrod, and a pin extending through said openings in said adapter and said second downrod, opposite ends of said pin resting on said horizontal shoulder of said ball unit, withdrawal of said pin from said openings being prevented by said cylindrical wall defining said enlarged bored.