Patent ID: 6909078
Filing Date: 2005-06-21
Classification: H05B

Abstract:
1. A cooking chamber assembly for a microwave oven, comprising: a case having a cooking chamber formed therein and an opening formed in a front portion thereof; and an air duct fixed directly to an upper inside portion of the case by at least one hook, having a bottom surface which forms an upper surface of the cooking chamber, wherein the air duct is configured to form a continuous air circulation passage between an outfit chamber of the microwave oven and the cooking chamber, wherein the air duct comprises a panel which forms a ceiling surface of the cooking chamber, a plurality of walls extending from outer edges of the panel, a plurality of apertures configured to allow air to pass therethrough, and at least one elastic hook extending upward from at least one of the plurality of walls, and wherein the case includes at least one insertion hole formed in an upper portion thereof, wherein the at least one insertion hole is configured to receive and to engage the at least one hook, and the air duct further comprises a plurality of projections which each project outward from a rear wall of a plurality of walls, and wherein the case further comprises a plurality of holes formed in an inner rear wall thereof, wherein each of the plurality of holes is configured to receive and hold a corresponding projection.