Patent ID: 7551447

Claim:
A heat dissipation apparatus comprising: a retention module configured for being mounted on a printed circuit board with a heat generating electronic component disposed thereon; a heat sink disposed on the retention module; a fastening cover covering the heat sink; and a plurality of fasteners connecting with the retention module and the fastening cover, configured for mounting the heat sink onto the heat generating electronic component, each of the fasteners comprising: a fastening member having a first end engaged with the retention module and a second end opposite to the first end; and an operating member comprising a resilient pressing portion pivotably connected with the second end of the fastening member and contacting with the fastening cover, and an operation portion connected with the pressing portion; wherein the fastening cover defines a plurality of slots therein, the pressing portion defines a channel therethrough, the second end of the fastening member extending through the slots of the fastening cover and being received in the channel of the pressing portion and being pivotably connected with the pressing portion of the operating member.