PROBLEM TO BE SOLVED: To provide a cooker achieving smooth in-and-out of a tray of the heating cooker for cooking using a cooking chamber.;SOLUTION: Rails 11 provided outside the cooking chamber 4 are fixed to a rail holding body 12 mounted to the lower part of the cooking chamber 4, and the cooking chamber 4 is fixed to a body from above the rail holding body 12 after positioning the cooking chamber 4 and the rail holding body 12 to each other. Worsening of sliding property due to interposition of a cooked object, burning of drippings and oily smoke from the cooked object, or the like is thereby eliminated, and positioning and shape for regulating the parallel or horizontal state of a pair of rails 11 can be easily formed to attain permanently smooth in-and-out of the tray.;COPYRIGHT: (C)2007,JPO&INPIT
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