Patent ID: 6815627
Filing Date: 2004-11-09
Classification: H01H

Abstract:
A keyswitch structure for a computer keyboard, comprising:a keycap having a connection stage at a bottom face thereof; a base arranged below the keycap and having two groove lugs, each groove lug having a rectangular hole, the rectangular hole having an accommodating section on a bottom side thereof; a lever mechanism having a plurality of top ends connected to the keycap and a plurality of bottom ends connected to the base; and a balance rod having a center rod section and two lateral rod sections vertically extending from two ends of the center rod section, the center rod section being pivotally connected to the connection stage of the keycap, the two lateral rod sections passing through and being enclosed by the rectangular holes, said rectangular hole being larger on one surface of said groove lug and smaller on an opposite surface of said groove lug with slanted side walls therebetween so that said balance rod smoothly rotates.