Patent ID: 8411461

Claim:
A mounting apparatus for mounting an expansion card with a cover plate to a rear panel, comprising: a retaining member fixed to the rear panel, the retaining member defining a sliding slot and comprises a positioning portion at a side of the sliding slot; and a pressing member comprising a stop portion, a pressing portion, and a sliding portion to be slidably received in the sliding slot of the retaining member; wherein, when in use, the pressing member is slid down along the sliding slot of the retaining member to make the pressing portion of the pressing member press the cover plate of the expansion card, the stop portion of the pressing member is stopped under the positioning portion of the retaining member to avoid the pressing portion of the pressing member disengaging from the cover plate of the expansion card; and wherein the retaining member comprises a main plate and two parallel limiting blocks, each limiting block has a substantially T-shaped cross section and comprises a main piece parallel to and spaced from the main plate, a connecting piece is substantially perpendicularly connected between the main plate and the main piece, the positioning portion protrudes on an upper portion of the main piece, and the sliding slot is bounded by the limiting blocks and the main plate.