Patent ID: 8531847

Claim:
A mounting apparatus comprising: a shaft to be fixed to an expansion card; and a rotary member comprising a base plate pivotably fitting about the shaft, a cam, and an operation portion; wherein the shaft is located between the cam and the operation portion, when disassembling the expansion card from an corresponding expansion socket, the operation portion is operated to rotate the rotary member about the shaft, the cam abuts against a top of the expansion socket to move up the expansion card, thereby disassembling the expansion card from the expansion socket; wherein a distal end of the shaft away from the expansion card forms a tapered guiding portion; and wherein the shaft defines an annular engaging slot therein, adjacent to the guiding portion, an outer surface of the base plate opposite to the expansion card defines a slot communicating with the shaft hole, a resilient tongue extends from a bottom of the slot, and a distal end of the tongue is pivotably received in the engaging slot.