Patent ID: 7403394

Claim:
A heatsink-locking device, applied to lock a heatsink to a placement surface having an exothermic component, comprising: a bottom base fixed on the placement surface to dispose and position the heatsink, and having an open hole corresponding to the exothermic component, and a plurality of clamping portions disposed at two opposing lateral sides of the bottom base, respectively; and a clamping tool for pressing the heatsink and being jointed to the bottom base, the clamping tool comprising a first board part and a second board part that are connected to each other with a distance between the first and second board parts being adjustable, a third board part pivotally connected to the first board part, a pressing part fixed to the third board part for pressing the heatsink, and a first joint part and a second joint part disposed at one end of the first and second board parts respectively to be jointed to the clamping portions, wherein the first board part has a pair of guiding parts disposed at two lateral sides of another end thereof, the third board part is formed with a first clamping part at an end thereof, and the second board part has a second clamping part that is able to slide and penetrate through the guiding parts, to provide clamping with the first clamping part such that the third board part is able to fix the distance between the first and second board parts.