Door assembly for microwave heating apparatus

Details Door assembly for microwave heating apparatus Door assembly for microwave heating apparatus

H - Electricity

01

S

327/2.3

H01S 1/00 (2006.01) H05B 6/76 (2006.01)

Patent

CA 1249035

- 1 - Abstract: A high frequency heating apparatus, e.g. microwave oven, comprises an oven-defining structure having an access opening in communication with a heating chamber defined therein, and a hingedly supported metallic door for selectively opening and closing the access opening. The door has its peripheral area formed with a groove open towards the oven-defining structure, the bottom of which groove is situated forwardly of the door with respect to the apparatus. An outer wall of the groove is formed with a plurality of cutouts and a plurality of generally rectangular openings alternating with the cutouts, each of the cutouts and each of the rectangular openings having one edge positioned on one side of a setup portion protruding from the bottom of the groove adjacent the oven-defining structure. The outer wall has a portion bent to protrude transversely into the groove to define a partitioning wall. The arrangement provides an improvement in attenuation of leakage microwave energy.

495820

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