Hanger assembly

Details Hanger assembly Hanger assembly

F - Mech Eng,Light,Heat,Weapons

16

M

248/55

F16M 13/00 (2006.01) E04B 9/00 (2006.01) E04C 3/02 (2006.01) F16M 13/02 (2006.01) F21V 21/03 (2006.01) H02G 3/08 (2006.01)

Patent

CA 1194011

HANGER ASSEMBLY ABSTRACT A heavy duty expansible junction box hanger assembly adapted for installation from beneath a ceil- ing through a junction-box aperture in the ceiling with- out complete prior removal of a previously installed light-weight hanger assembly. The portion of the light- weight hanger directly above the aperture is cut away, and the heavy duty hanger is maneuvered through the aperture to a position above the light-weight hanger. A pair of feet on each end of the heavy duty hanger straddle the light-weight hanger and rest on the upper ceiling surface, aligning the heavy duty hanger parallel to the ceiling, after which joist engagement means on the hanger assembly are expanded into biting contact with the joists.

432993

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