Patent ID: 7522420
Filing Date: 2009-04-21
Classification: H01L,Y10T

Abstract:
1. A clip module working with a retention module (RM) to fasten a heat sink on a heat source, the retention module including a first clip portion and a second clip portion, the clip module comprising: a body having a pressing portion, a third clip portion, and a connecting portion, the pressing portion being used for pressing the heat sink on the heat source, the third clip portion being on one end of the pressing portion and clipped with the first clip portion, and the connecting portion being on the other end of the pressing portion; a fastener, disposed on the connecting portion, including a guiding portion and a forth clip portion, the guiding portion and the forth clip portion being disposed on each side of the connecting portion respectively, and the forth clip portion being clipped with the second clip portion; and a pressing structure having a guiding groove and a pressing section, the guiding portion being capable of sliding in the guiding groove to connect the pressing structure and the fastener, wherein the pressing structure rotates relative to the guiding portion, and the guiding portion slides in the guiding groove from a first predetermined position to a second predetermined position along a tracking line so that the pressing structure exerts a force on the body.