| 摘要 |
An exemplary hinge assembly ( 30 ) includes a main mount ( 302 ), a pivot shaft ( 304 ), two active friction pieces ( 308, 309 ), two fixed friction pieces ( 306, 307 ), an elastic assembly ( 310, 311 ), and a fixing member ( 314 ). The active friction pieces are non-rotatably surrounded on the pivot shaft. The fixed friction pieces are rotatably surrounded on the pivot shaft. One fixed friction piece and one active friction piece are disposed at one side of the main mount and abutting each other. The other fixed friction piece and the other active friction piece are disposed at an opposite side of the main mount and abutting each other. The elastic assembly is surrounded on the pivot shaft and is configured to provide axial force. The fixing member is mounted at one end of the pivot shaft.
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