| 摘要 |
A retention device is applied in an electronic device that has a case and a circuit board. The circuit board may shift relative to the case along a integrate direction or a release direction. The retention device includes a fixed base, a fastener, and a latching member. The fixed base is disposed on the case and has a slot. The fastener is disposed on the case, and may be deformed under a force. The latching member is disposed on one side of the circuit board. When the latching member shifts along the integrate direction with the circuit board, the fastener is pressed to be deformed, so the latching member is limited in the slot. When the fastener is deformed by an external force, the latching member is disengaged with the slot along the release direction, so that the circuit board may be fixed on or detached from the case.
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