Patent ID: 8348570

Claim:
A mounting apparatus for mounting a heat sink to a board defining a blind hole, the heat sink comprising a base defining a through hole, the mounting apparatus comprising: a fastening assembly comprising a connecting member extending through the through hole of the heat sink, a mounting member mounted to the connecting member, and a sliding member, a circumference of the mounting member defining a slot, the mounting member comprising a first fixing portion to mount the fastening assembly to the fastening, wherein the sliding member is slidably received in the mounting member and the connecting member, the sliding member comprises a first end to be exposed out of or withdrawn back into the first fixing portion; and a C-clip engaged in the slot of the mounting member and for resisting against a bottom of the base of the heat sink, wherein during assembly, the first end of the sliding member resists against a bottom wall of the blind hole of the board to drive the sliding member to move toward the connecting member, when a second end of the sliding member opposite to the first end extends out of or is coplanar with an end of the connecting member opposite to the mounting member, the fastening assembly is completely mounted to the board.