| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening/closing door mechanism in which opening and closing are easy and a closed state can be surely kept and whose structure is simple, and to provide a portable apparatus provided with the mechanism. SOLUTION: The mechanism for opening and closing an opening/closing door 21, having a size for covering at least a part of one face of the portable apparatus 10, is provided with fastening means 24 and 26 for holding the opening/closing door 21, in a state where at least a part of a face is covered and a sliding piece 29 which freely rotatably holds the opening/closing door 21 at one end, can slide along the portable apparatus 10 and is pulled to one direction by a spring 35. When the sliding piece 29 slides in the direction opposite to the one direction, a releasing means 37 releases fastening of the fastening means 24 and 26 and the opening/closing door 21 can be opened. COPYRIGHT: (C)2006,JPO&NCIPI
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