Patent ID: 8613595

Claim:
A heat dissipation device comprising: a heat sink; a fan mounted on the heat sink; and a fan holder mounted around the heat sink, the fan being fixed on the fan holder, the fan holder being strip-shaped, and comprising a top side portion, a bottom side portion, a front side portion and a rear side portion joined together, the top side portion and the bottom side portion of the fan holder respectively abutting against a top and a bottom of the heat sink, the front side portion and the rear side portion of the fan holder respectively abutting against a front and a rear of the heat sink, at least one of the side portions of the fan holder comprising a slide portion and a sheath connected each other, wherein a position where the slide portion and the sheath of the at least one of the side portions are connected can be adjusted to change a length of the at least one of the side portions; wherein each side portion of the fan holder comprises a slide portion and a sheath connected each other, each slide portion is received in a corresponding sheath and can slide along the sheath to adjust the entire length of the side portion; and wherein the slide portion of the top side portion defines a fixing hole in an end thereof, and the sheath of the top side portion defines a plurality of adjusting holes in an end thereof, a pin extending through one of the adjusting holes of the sheath and the fixing hole of the slide portion to connect the slide portion and the sheath of the top side portion together.