| 摘要 |
A flip-flop mobile phone includes a main body, a slide notch, a lifting cover and a protruding member. The main body has a first pivot portion, and the slide notch is disposed thereon. The lifting cover has a second pivot portion, which is pivotally connected with the first pivot portion so that the lifting cover can rotate relative to the main body. The protruding member is moveably disposed in the second pivot portion and is opposite to the sliding notch of the first pivot portion. A friction made by the sliding notch and the protruding member decreases an angular velocity of the lifting cover when the lifting cover is opened or closed at a predetermined angle relative to the main body.
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