Patent ID: 8807202

Claim:
A heat dissipation device, comprising: a fixing bracket comprising a fixing plate defining a through hole, at least two blocks extending up from a top of the fixing plate around the through hole, and a latching portion extending towards the through hole from a top of an inner side of each block facing the through hole; and a heat sink connected to the fixing bracket in a horizontal rotation manner, the heat sink comprising a bottom plate, a plurality of fins extending up from a top of the bottom plate, and a base extending down from a bottom of the bottom plate, wherein the base is received in the through hole of the fixing bracket and comprises a main body, and at least two flanges extending outwards from a bottom circumference of the main body to engage with bottoms of the latching portions, respectively, and wherein a cutout is defined between every two adjacent ones of the flanges, when the heat sink is rotated and the latching portions align with the cutouts, the latching portions are disengaged from the flanges, and further wherein an arched resilient tab is formed on a bottom of each latching portion.