Patent ID: 6169256
Filing Date: 2001-01-02
Classification: H01H

Abstract:
A panel switch comprising: (1) a first screw; (2) a first wiring board including (a) a switch contact coupled to an upper surface of said first wiring board, (b) a first locating hole, and (c) a first screw hole of a diameter larger than a diameter of said first screw;(3) a push button unit made of insulation resin including (a) a movable key-button having an operating key portion and a protrusion on an underside of said operating key portion for depressing said switch contact, (b) a frame for connecting said movable key button, and (c) a first set of locating bosses provided on an upper surface and a second set of locating bosses provided on a lower surface of said frame, wherein said push button unit being disposed in position on said first wiring board with said second set of locating bosses on the lower surface inserted in said first locating holes of said first wiring board; (4) a cover for covering said push button unit, said cover including (a) a button opening, through said button opening said operating key portion of said push button unit protrudes, (b) a second locating hole wherein said first set of locating bosses on the upper surface of said push button unit is inserted, and (c) a first threaded hole; and wherein said first screw is inserted through said first screw hole in said first wiring board, and fastened into said first threaded hole in said cover, for securing said first wiring board and said push button unit to said cover.