Patent ID: 8022325

Claim:
A keyswitch, comprising: a substrate comprising a first connection portion and a reinforcement structure, the first connection portion being formed from bending the substrate, the reinforcement structure being used for enhancing connection strength between the first connection portion and the substrate, wherein the reinforcement structure is a rip portion formed on a bending portion of the first connection portion where the first connection portion is connected with the substrate, and the first connection portion is raised or dinted for forming the reinforcement structure; a keycap, the keycap having a second connection portion; and a lift support device disposed between the keycap and the substrate, the lift support device having a third connection portion and a fourth connection portion, the third connection portion being used for connecting with the first connection portion, the fourth connection portion being used for connecting with the second connection portion, the lift support device being used for carrying the keycap to move vertically relative to the substrate.