| 摘要 |
A retention device is applied in an electronic device that has a case and a circuit board. The circuit board may shifts along a integrate direction or a release direction. The retention device includes a fastener, a latching member, and a releasing member. The fastener is movably disposed on the case and has a stopping portion. The latching member is disposed on one side of the circuit board. The releasing member is movably disposed on the case and is located on one side of the fastener, and pushes the fastener to shift. The latching member shifts along the integrate direction with the circuit board, pushes the fastener to shift, and is blocked by the stopped portion. When the fastener is pushed by the releasing member to shift, the latching member is separated along the release direction, such that the circuit board is fixed on or detached from the case.
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