Patent ID: 7457135

Claim:
An assembly comprising: a first plate having two pairs of resiliently deformable protruding portions, each of the protruding portions having a first guiding surface and a second guiding surface intersecting with the first guiding surface, a distance between junctions of the first and second guiding surfaces of each pair of protruding portions being less than that between other portions thereof; and a shield having a pair of tongue pieces respectively corresponding to the two pairs of protruding portions of the first plate, each of the tongue pieces sliding on and pressing the first guiding surfaces of the corresponding pair of protruding portions to resiliently deform and expand the corresponding pair of protruding portions outwardly, and being clamped between the corresponding pair of protruding portions after each of the tongue pieces slides across the junctions of the corresponding pair of protruding portions to position between the second guiding surfaces thereof.