Patent ID: 8009428

Claim:
A guiding apparatus for guiding a heat sink to be easily attached to a circuit board to cool an electronic element mounted on the circuit board, the heat sink comprising a plurality of fasteners with flexible barbs movably attached thereto, the guiding apparatus comprising: a seat defining a sliding groove; and a plurality of guiding members slidably received in the sliding groove, each guiding member comprising a post, a first block and a second block surrounding the post, and a resilient member, the first block received in the sliding groove, the resilient member slidably surrounding the post and sandwiched between the seat and the second block, a locating hole defined in an end of the post adjacent to the second block to engage with the barbs of the fasteners; wherein the seat is channel-shaped, the sliding groove is inverted T-shaped and extends through a wall of the seat along a length thereof, for the wall of the seat to be sandwiched between the first block of each of the guiding members and the corresponding resilient members thereof.