| 摘要 |
PURPOSE:To provide an inexpensive door for a cooking heater by providing a projection on the lower section of a door-frame and inserting this projection into a notch section on the lower side brim of a box to made the projection a fulcrum for opening and closing the door. CONSTITUTION:A projection 2 provided on the lower section of a door-frame 1 is inserted in the direction of thickness of the board into the upper section 7a of a notch section 7 provided on the lower brim section of a box 5, and when the door-frame 1 is lowered to the lowest section 7b of the notch section 7, while the section 7b meshed with the notch 8 provided on the projection 2. Since, in this state, the dimension (b) is larger than the dimension (c) and smaller than the dimension (a), and the dimension (a) is smaller than the dimension (b), the front and rear position and the right and left position of the door body 9 are fixed with the notch section 8 on the projection 2 placed on the lowest section 7b of the notch section 7, and the door body 9 is opened and closed with the meshing point of the notch section 7 and projection 2 as a fulcrum.
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