Patent ID: 6648664
Filing Date: 2003-11-18
Classification: H01L

Abstract:
A retention device for securely retaining a heat sink module and a package upon a socket, comprising:a main frame defining a chamber adapted for accommodating the heat sink, the socket and the package therein; a front pivot pivotably assembled to a front end of the main frame; a rear pivot pivotably assembled to a rear end of the main frame; a spring clip being pivotably attached to the rear pivot and comprising a downward extending pressing portion for pressing against the heat sink module and a receiving arm extending forwardly from a front end of the pressing portion; and an actuating lever being pivotably attached to the front pivot and being rotatable to lock the receiving arm, whereby the spring clip can exert a force upon the beat sink module toward the package, wherein when the heat sink module is not accommodated in the chamber, the front and rear pivots are foldable to a horizontal position to reduce a profile of the retention device; wherein the rear pivot defines a rear receiving hole and the spring clip further comprises a locating pivot pivotably received in the rear receiving hole; wherein the front pivot defines a front receiving hole for retaining the actuating lever therein; wherein the actuating lever comprises a driving arm for pressing against the receiving arm, a connecting arm bent from an end of the driving arm a locating arm extending outwardly from the connecting arm and a handle extending perpendicularly from the locating arm; wherein the front pivot defines a front receiving hole for receiving the locating arm of the actuating lever.