Patent ID: 8284543

Claim:
A keyboard structure, which is combinable with an electronic device, the keyboard comprising: a keyboard body, which has two opposite side walls defining a pair of symmetric elongate slots, the keyboard body having a top surface forming first stop flanges along portions of a circumference thereof, the keyboard body containing therein a keyboard circuit that comprises a signal output structure extending therefrom projecting outward and electrically engageable with the electronic device; and a frame, which comprises two slide blocks, two extension arms, two hinge devices, a retention hook and an outer frame member, the slide blocks being respectively fit into the elongate slots defined in the side walls of the keyboard body to be movable frontward and backward along the elongate slots, the extension arms being respectively and pivotally jointed to rear ends of the slide blocks by the hinge devices and rotatable upward and downward about rotation centers defined by the hinge devices, the outer frame member comprising a tubular member having two downward-facing openings respectively and telescopically fit over the extension arms, the outer frame member having a top surface forming a second stop flange, the second stop flange forming a plurality of elongate openings on an inside face of a rear wall thereof; wherein the first stop flanges formed on the top surfaces of the keyboard body and the second stop flanges formed on the top surfaces of the outer frame member define therebetween a receptacle corresponding to a bottom contour of the electronic device for receiving the electronic device therein in such a way that the retention hook is engageable with retention holes defined in the bottom of the electronic device for retention and fixation, so as to make the electronic device movable in unison with the outer frame member.