Casing for an interior unit of a split type of an air conditioning apparatus

A casing for an interior unit of an air conditioning apparatus comprising:

• a first integrally molded housing having a front panel with a plurality of apertures, a pair of opposite first side walls connected to said front panel and a pair of opposed top and bottom walls connected to said front panel and first said side walls, respectively,
• a second integrally molded, one piece housing sized to fit inside said first housing comprised of an upper wall and two outer side walls, said upper wall having a front edge, a first vertical separator wall spaced inwardly from one side wall so as to extend substantially parallel with said one side wall, a curved upper rear wall positioned between the other side wall and said first separator wall and spaced below said upper wall, said curved wall having a top and bottom edge, said top edge being connected to the front edge of said upper wall and extending rearwardly and donwardly therefrom, a horizontal separator wall positioned between said other side wall and said first separator wall and beneath said curved rear wall for separating the area within said first housing into separate fan and heat exchange chambers, said horizontal separator including a flat portion having front and rear edges, an upstanding projection extending from said rear edge substantially along the whole length of said rear edge, a flap portion extending downwardly at a predetermined angle from said front edge and terminating along bottom edge and a plurality of spaced apart rib members connected to and extending between the upstanding projection and the bottom edge of said curved upper rear wall, and
• a rear wall means removably attached to the wall of room for housing said second housing.