Patent ID: 7520313
Filing Date: 2009-04-21
Classification: H01L

Abstract:
1. A locking device for securing a heat sink to a heat-generating component comprising a pair of retainers, each retainer comprising: a handle having a top wall and a pair of sidewalls extending perpendicularly from a pair of opposite side edges of the top wall, respectively, the sidewalls of the handle being provided with a pivot wherein the handle is pivotable around the pivot; and a locking leg being made from a unitary sheet member, the locking leg having a first engaging means provided at a first end portion thereof, a second end portion of the locking leg being connected to the sidewalls of the handle by a hinge positioned on the sidewalls and spaced apart from said pivot; wherein when the handle is brought to pivot about said pivot, the locking leg is driven to move in a direction to cause said first engaging means to engage with a second engaging means provided adjacent to said first engaging means; wherein the locking leg includes a base plate and the first engaging means is provided at the base plate; wherein a pair of side plates extends from a pair of opposite side edges of the base plate, respectively, each of the side plates being perpendicular to the base plate; and wherein a holding tab extends from each of the side plates for holding the handle in a receiving space defined cooperatively by the base plate and side plates of the locking leg when the handle is located at a locked position.