Patent ID: 6257782
Filing Date: 2001-07-10
Classification: H01H

Abstract:
A key switch comprising:a base;a key top arranged above said base;a pair of link members interlocked to each other and operatively engaged with said base and said key top to support said key top above said base and direct said key top in a vertical direction, each of said link members including a sliding portion slidably and shiftably engaged with either one of said base and said key top;at least one elastic member disposed between at least one of said link members and either one of said base and said key top with which said sliding portion is engaged, to exert biasing force, relative to a shifting amount of said sliding portion, onto said at least one of said link members in a direction different from said vertical direction; anda switching mechanism for selectively opening and closing an electric circuit in connection with a vertical movement of said key top;wherein said at least one elastic member is fixedly joined to said at least one of said link members and is abutted against said base.