Patent ID: 6268578
Filing Date: 2001-07-31
Classification: H01H

Abstract:
A key switch device comprising:a key top;a holder member, disposed below the key top, having a stopper section formed thereat;a guide supporting member for supporting the key top and guiding the key top between a raised position situated away from the holder member and a lowered position situated close to the holder member, the guide supporting member being stopped by the stopper section formed at the holder member;a switch member for performing a switching operation as the key top is raised and lowered;wherein the guide supporting member is a link member comprising a base end section stopped by the stopper section and an arm extending from the base end section, the link member being formed by bending a metallic material;wherein the guide supporting member comprises first and second link members formed of a wire material, the first and second link members each including a base end section and a pair of parallel arms formed by bending both ends of the base end section corresponding thereto; andwherein the pair of arms of the second link member are positioned inwardly of the pair of arms of the first link member in order to make the pair of arms of the first link member and the pair of arms of the second link member cross each other at a crossing section, so that the first link member and the second link member are made rotatable at the crossing section.