| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening and closing device having the opening and closing body inhibited from being deflected or fluttered, and capable of effectively reducing noises and damage to each component caused by the deflection and fluttering of the opening and closing body. SOLUTION: The opening and closing body 30 is reinforced by a deflection suppressing member 30 which can switch between a not-protruded state and a protruded state of being protruded on the opening and closing body 10 in the thickness direction of the opening and closing body. COPYRIGHT: (C)2007,JPO&INPIT
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