Patent ID: 9378903
Filing Date: 2016-06-28
CPC Classification: H01H

Claim Text:
1. A keyswitch structure, comprising: a base plate having an engagement structure; a keycap disposed above the base plate; a lift mechanism connected to and between the base plate and the keycap such that the keycap is capable of moving up and down relative to the base plate through the lift mechanism, the lift mechanism having a first recess and a second recess disposed oppositely; and a balance link having a first side rotatable arm, a second side rotatable arm, and a middle portion, the middle portion connecting the first side rotatable arm and the second side rotatable arm such that the balance link is formed substantially in a U-shaped profile, the middle portion being rotatably disposed on the engagement structure, the first side rotatable arm comprising an L-shaped end rotatably inserted into the first recess, the second side rotatable arm comprising an L-shaped end rotatably inserted into the second recess.