| 摘要 |
PROBLEM TO BE SOLVED: To make a vessel supported by an attaching frame easy to use by attaching a coil spring to the edge of the opening for a side wall of a storage chamber and by making an inclined side of the attaching frame, when the door is closed, compress the coil spring to make a movable arm and the attaching frame press against each other. SOLUTION: A closer body 31 is formed by connecting a fixed part 31a and a movable arm 31b by a rotary shaft 31c with a rotary roller 32 provided at the tip of the movable arm 31b. A coil spring 33 is fastened, having one end on the side of the fixed part 31a and the other end on the side of the movable arm 31b. Therefore, the closer body 31 opens, with its fixed part 31a taken as the basis, in the direction enlarging an angleθwhich the movable arm 31b makes. The angleθwhich the closer body 31 makes is maintained by contact with mechanical impact between the fixed part 31a and the movable arm 31b. The closer body 31 formed as above is attached to a side wall of the storage chamber in a manner of having the movable arm 31b in contact with a sloping side 30a of an attaching frame 21 and so designed that the movable arm 31b presses the attaching frame 21 with an ample force for the function of a closer.
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