Patent ID: 6839226

Claim:
A keyboard comprising: a body; a first aperture formed on a bottom surface of said keyboard in such a way that a first specific angle, existing between an axis of said aperture and said bottom surface of said keyboard, is greater than 0° and smaller than 90°; and a leg including a supporter that has a first end and a second end, a boss disposed on said second end of said supporter, and a rod, the rod being protuberantly located on a first end of said supporter, and rotatably received and connected within said aperture, wherein said bottom surface of said keyboard comprises a recess for receiving said leg; and when said leg axially rotates around said rod, said leg allows itself to adjust a tilt angle between said keyboard and a surface of a desk via continuously rotating from a first state to a second state, and said second end contacts the bottom surface of said keyboard when said leg is both in said first state and in said second state.