Electrical box hanger

Claim 1

A hanger assembly for attachment to a construction member or a commercial ceiling fan support bar, said hanger assembly comprising: (a) an electrical box, said electrical box comprising: (1) a box back, (2) a perimeter wall, said perimeter wall attached to and extending perpendicularly from the perimeter of said box back, said perimeter wall forming an open face opposite said box back, (3) a first and a second box ear, each of said box ears extending perpendicularly from and attached to said perimeter wall within said open face, (4) said first box ear having a first threaded ear hole therethrough in perpendicular alignment to said box back, (5) said second box ear having a second threaded ear hole therethrough in perpendicular alignment to said box back, (6) said box back having a first back hole and a second back hole, said first back hole corresponding to and in axial alignment with said first threaded ear hole and said second back hole corresponding to and in axial alignment with said second threaded ear hole, and (b) a first and a second support rod, each of said support rods comprising: (1) a first threaded end section adapted for threaded engagement in a said ear hole, (2) a second threaded end section, (3) a smooth section adjacent to said first threaded end section, said smooth section having a smaller diameter than a minor diameter of said threaded sections for slideable engagement by said ear holes, and (4) a spline section intermediate said smooth section and said second threaded end section, said spline section having a diameter greater than minor diameters of said threaded end sections with at least one spline being parallel to the main axis of said support rod, (c) means securing said first threaded end sections of the respective support rods to said box back once said first threaded end sections have been inserted through the corresponding back holes, said means comprising a pair of nuts threadedly engaging each of said first threaded end sections of said first and second support rods on opposite sides of said box back, (d) said spline sections of said first and said second support rods frictionally engaging said first and said second threaded ear holes, respectively, and (e) means securing a load to said second threaded sections of said first and said second support rods.