Heat dissipation device with rotation-locked heat sink
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United States of America Patent
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Oct 29, 2013
Grant Date -
Jun 9, 2011
app pub date -
May 3, 2010
filing date -
Dec 9, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An exemplary heat dissipation device includes a heat sink and a fixing frame. The heat sink defines receiving depressions at an outer peripheral surface thereof. The fixing frame includes a peripheral side plate encircling the heat sink, fixing legs extending downwards from the side plate, and an elastic member disposed on the side plate. Protruding members extend inwardly from the fixing legs. The heat sink is rotatably received in the fixing frame. When the heat sink is in an unlocked state, the protruding members align with the receiving depressions, respectively. When the heat sink is rotated to a locked state, the protruding members abut a bottom of the heat sink thereby limiting axial movement of the heat sink relative to the fixing frame and the elastic member is received in a corresponding receiving depression and limit rotation of the heat sink in both clockwise and counterclockwise directions.
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