A heat sink fastener includes a main body, a piercing body and an operating member. The main body has a pressing part for pressing a heat sink toward a heat-generating component. An engaging part and a latching leg are disposed at opposite ends of the main body. The piercing body includes a piercing...http://www.google.com/patents/US7430121?utm_source=gb-gplus-sharePatent US7430121 - Heat sink fastener
