Patent ID: 6979211

Claim:
An expansion device for a circuit board, comprising: a card bus connector adapted for mounting on the circuit board, said card bus connector including a connector housing that has a pair of opposite long lateral walls and a pair of opposite short lateral walls interconnecting said long lateral walls and cooperating with said long lateral walls to define a card slot; and a masking bracket engaging removably said card bus connector, said masking bracket having a frame portion and a masking portion connected to said frame portion, said frame portion including a frame plate for abutting against an outer wall surface of one of said long lateral walls, said frame plate having a pair of opposite lateral edges and a top edge extending between said lateral edges, said frame portion further including a first anchoring plate that extends from one of said lateral edges of said frame plate for abutting against an outer wall surface of one of said short lateral walls, said masking portion including a masking plate that extends in a transverse direction from said top edge of said frame plate toward the other one of said long lateral walls so as to shield a predetermined portion of said card slot of said card bus connector, said masking plate having a top side and a bottom side opposite to said top side and formed with a rib projection that extends into said card slot when said masking bracket engages said card bus connector.