Patent ID: 8109704

Claim:
A cage nut assembly for a drain pan having a single drain aperture defined therein, the cage nut assembly comprising: a nut having a barrel with a barrel end and a distal end opposed to the barrel end; a flange disposed at the distal end; a flange face defined on an end of the flange, the flange face configured to abut an inner surface of the drain pan; a threaded bore defined along a central axis through the barrel and the flange; at least one channel defined in the flange face, the at least one channel configured to allow substantially complete drainage of a fluid from a sump through the single drain aperture; a cage having a plate with a central aperture defined therein configured to receive the barrel with substantial clearance to an edge of the central aperture; at least one leg extending substantially orthogonally from the plate; and an attachment projection defined on the at least one leg, the attachment projection configured for attachment of the cage nut assembly to the drain pan; wherein the cage nut assembly is configured to accept a flange bolt removably installed through the single drain aperture, the flange bolt configured to removably compress a seal around a periphery of the single drain aperture.