| 摘要 |
PURPOSE: A radiation area of high frequency wave is widened, and the high frequency wave is distributed evenly to improve efficiency of a microwave oven. CONSTITUTION: A main gear(10) is installed in lower part of a tray(40) to rotate the tray, and has a protrusion(1) vertically. A coupler(20) has a shaft inserting hole(11A) to insert a rotation shaft of a motor(70) and a pinion(13) meshed with the main gear. A rotation member(30) is installed parallel from a boss of the coupler, and has a through hole to insert rotatably the protrusion of the main gear.
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