Patent ID: 9097265
Filing Date: 2015-08-04
Classification: F04D,F24F

Abstract:
1. An exhaust fan, comprising: a housing having side walls, a top and a bottom with an opening; a blower inside of the housing; a motor for running the blower, the blower being vertically oriented relative to the motor; and external flaps adaptable for mounting the housing to joists, wherein the flaps each include a single base plate having a generally uniform thickness with a flat front face and a flat rear face, the flat rear face fastened to an exterior of the housing, and a single swinging rectangular flat flap plate with a flat front face and a flat rear face, the single swinging rectangular flat flap plate having a rectangular configuration with two long sides each having a longer length than two short sides, one of the long sides attached by a hinge to one side of the single base plate, the single flap plate having both a fastening opening and a keyhole slot for mounting the housing to a joist, wherein the single flap plate is bendable from a coplanar position with the single base plate to pivot about the hinge past a 90 degree angle relative to the single base plate.