| 摘要 |
A panel switch for use in various kinds of electronic appliance comprises (1) a first wiring board having a switch contact formed on an upper surface thereof, a locating hole, and a screw hole, (2) a push button unit made of insulation resin having a frame connecting a movable key button for depressing the switch contact, and disposed on the first wiring board, and (3) a cover for covering the push button unit, having a locating hole and a threaded hole. The push button unit is provided with a locating boss on both of an upper surface and a lower surface of the frame. In assembling the panel switch, the first wiring board and the cover are aligned with respect to each other through the push button unit by inserting the locating bosses on the upper and lower surfaces of the frame into their respective locating holes in the cover and the first wiring board. The panel switch is mounted into an appliance by making a positioning alignment of the panel switch by inserting the locating boss of the frame of the push button unit protruding from the upper surface of the cover into a depression provided in an inner surface of the appliance.
|
