Locking device for heat sink

摘要

A locking device ( 10 ) for securing a heat sink to an electronic device includes a rectangular main frame ( 20 ), four first fasteners ( 30 ) respectively pivotably attached to four corners of the main frame and two second fasteners ( 40 ) pivotably attached to the main frame at opposite sides thereof. Each of the first and second fasteners respectively is capable of rotating relative to the main frame from a non-stretched position to a stretched position for attachment of the heat sink to the electronic device.