Patent ID: 8237661

Claim:
A keyboard comprising: a main body configured for receiving keys, wherein the main body defines two slots in a bottom, and two furrows are defined in the side walls of each of the two slots and facing each other; a support accommodated in the main body, comprising two brackets received in the slots, two shafts, two driving portions, and two elastic pieces, wherein each of the brackets comprises a first plate and a second plate rotatably connecting with each other; each of the shafts is hollow and is slidable relative to the main body; each of the driving portion is rotatably received in one of the two shafts; one end of each of the elastic pieces is fixed to an inner wall of the corresponding shaft, the other end supports the corresponding one of the two driving portions; and when one of the two shafts is moved, two elastic pieces fixed to the shafts move along with the shafts to resist against the two driving portions respectively, the two driving portions are pushed out of the two shafts to prop up the brackets.