Patent ID: 8742276

Claim:
A press key comprising: a base unit including a metal plate; a position-limiting unit disposed above and coupled to said metal plate and formed with a through hole, said metal plate and said position-limiting unit defining an accommodating space therebetween; a keycap movable between a raised position and a pressed position and including a cap body that corresponds in position to said through hole, and a flange member that extends outwardly from and around said cap body and that abuts against said position-limiting unit when said keycap is at the raised position; and an elastic restoring unit disposed in said accommodating space, connected to said keycap, and capable of providing a restoring force to move said keycap from the pressed position to the raised position through said through hole, said elastic restoring unit including a scissors-type lever that is connected pivotally to said keycap and said position-limiting unit.