Patent ID: 6697256
Filing Date: 2004-02-24
Classification: H01L

Abstract:
A fastening device for attaching a heat sink to a heat producer, said heat sink having a main body formed with at least one mounting hole, said device comprising:a tube having a proximal end adjacent to said mounting hole and a distal end beyond said mounting hole of said main body of said heat sink; a fastening member movably received in said tube, said fastening member having an enlarged resilient head, a shoulder and a neck extending between said enlarged resilient head and said shoulder; said enlarged resilient head being adapted to squeeze through said mounting hole for engaging with with a side of said main body of said heat sink opposite to said tube; and an elastic member having a minimum diameter section fitted around said heck and abutting said shoulder of said fastening member, a maximum diameter section abutting said distal end of said tube, and an intermediate diameter section stretchable between said minimum and maximum diameter sections.