Patent ID: 6107584
Filing Date: 2000-08-22
Classification: H01H

Abstract:
In a key switch which is formed by a plate-like holder overlapping and fixed on a switch substrate having a movable contact, a keycap mounted on an upper portion of a pantograph assembly, a lower portion of the pantrograph assembly is supported by the holder and a rubber spring projects from an opening of the holder for surrounding the movable contact, wherein the keycap is usually made to float by a biasing force of the rubber spring and by pushing down of the keycap the movable contact is closed, the key switch is characterized in that the holder is formed with a metal made supporting plate having the opening and a resin made supporting frame disposed and fixed along the opening of the supporting plate, the supporting frame is made to support the lower portion of the pantograph assembly, and the pantograph assembly and the keycap are made from a resin.