| 摘要 |
A cellular phone includes a monitor portion 20 that is swingably mounted to a body. During a state from a point that the monitor portion 20 is fully closed to a point that the monitor portion 20 is opened through 45°, a shaft portion 106 of a damper member 110 prevents a shaft portion 112 from being interlocked therewith, and thus no damping force is exerted with respect to swinging of the monitor portion 20 during the above state. Thus, the monitor portion 20 can be opened speedily. When the monitor portion is opened through an angle in excess of 45°, the shaft portion 106 permits the shaft portion 112 of the damper member 110 to be interlocked therewith, and a damping force by the damper member 110 works on the shaft portion 112. Thus, the monitor portion 20 is opened slowly.
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