Patent ID: 6121564
Filing Date: 2000-09-19
Classification: H01H

Abstract:
A keyswitch assembly for actuating a switch of a keyboard panel comprising:(a) a guiding stage coupled to the keyboard panel, said guiding stage having a guiding portion extending longitudinally from a stop portion, said guiding portion having an inner surface defining a longitudinally directed guiding space, said stop portion extending transversely into said guiding space, said guiding portion having formed on said inner surface thereof a longitudinally extended guiding body protruding into said guiding space;(b) a key cap displaceably coupled to said guiding stage, said key cap having a main body portion and a frame portion extending longitudinally therefrom, said frame portion engaging said guiding space, said frame portion having a substantially rectangular sectional contour defined by a plurality of fixing surfaces, at least a pair of said fixing surfaces each having a flexible plate section resiliently formed therein, said flexible plate section having a terminal end and an arcuate protrusion formed adjacent said terminal end, at least one of said fixing surfaces having formed therein a longitudinally extended guiding slot slidably engaging said guiding body of said guiding stage, said frame portion including a plurality of longitudinally extended flange segments respectively disposed between adjacent pairs of said fixing surfaces for slidably engaging said inner surface of said guiding portion; and,(c) an elastic cone received within said guiding stage and operably coupled to said key cap frame portion for selectively actuating the keyboard panel switch responsive to displacement of said key cap.