Patent ID: 6166342
Filing Date: 2000-12-26
Classification: H01H

Abstract:
An improved positioning structure of pushbutton in keyboard (2), comprising:a base;a printed circuit board (PCB) attached on said base having a plurality of pivot-jointing portions protrusively disposed on its surface for defining a plurality of enclosed assembly-jointing sections;a link (bridge) combinably mounted on the assembly-jointing section of said PCB, wherein a positioning shaft and two movable shafts, which, the latter, are axially jointed with said pivot-jointing portion, are disposed at two ends of said link respectively;an elastomer disposed on said link; anda key cap combinably mounted on said elastomer and coupled with the positioning shaft of said link;By virtue of abovesaid components, a waterproof and thinner keyboard made in a relatively lower cost being realizable.