Patent ID: 8853580

Claim:
A key structure of a keyboard device, said key structure comprising: a scissors-type connecting member; a first frame comprising a base plate fixing shaft and a keycap sliding shaft, wherein said base plate fixing shaft is arranged at a first end of said first frame, and said keycap sliding shaft is arranged at a second end of said first frame; and a second frame connected with said first frame, and comprising a base plate sliding shaft and a keycap fixing shaft, wherein said keycap fixing shaft is arranged at a first end of said second frame, and said base plate sliding shaft is arranged at a second end of said second frame; and a base plate connected with said scissors-type connecting member, and comprising: a first base plate perforation arranged at a second side of said base plate for accommodating said first end of said first frame; a base plate fixing hook arranged at a second side of said first base plate perforation to be contacted with said base plate fixing shaft, wherein an entrance of said base plate fixing hook faces a first side of said base plate; a stopping structure arranged at a first side of said first base plate perforation and protruded from a top surface of said base plate for stopping said base plate fixing shaft from being out of a space between said base plate fixing hook and said stopping structure, wherein a gap between said stopping structure and said entrance of said base plate fixing hook is smaller than a diameter of said base plate fixing shaft; and a base plate sliding hook arranged at said first side of said base plate, wherein an entrance of said base plate sliding hook faces said first side of said base plate for accommodating said base plate sliding shaft; and wherein the entrance of the base plate fixing hook and the entrance of the base plate sliding hook face the same side of the base plate so that, upon assembly of the scissors-type connecting member with the base plate, the base plate sliding shaft is transported through the entrance of the base plate sliding hook and the base plate fixing shaft is transported through the entrance of the base plate fixing hook.