Patent ID: 8227717

Claim:
An electronic device, comprising: a first member defining an opening; a second member defining a notch and a groove communicating with each other, the second member attach to the first member, and the opening aligned with the notch; a key mechanism, comprising: a plate having first and second planar ends, first and second opposite side edges, and first and second opposite side surfaces; at least one latching portion positioned on the first side surface of the plate, and coplanar with one of the first and second planar ends of the plate; at least one post positioned on the first side surface of the plate; and a protrusion extending from the second side surface opposite to the first side surface; the protrusion extending from the opening of the first member and the notch of the second member, the first edge of the plate latched in the groove of the second member for preventing the plate from separating from the second member, the latching portion and the second side edge of the plate resisting the first member to assembly the key mechanism on the first member and the second member.