Patent ID: 6617952
Filing Date: 2003-09-09
Classification: H01H

Abstract:
A switch comprising:a base having an open top for a button being engaged therewith, three slots defined through a bottom of the base and three terminal plates respectively inserted in the slots, a groove defined in an inside of the base and an adjusting hole defined in the base and communicating with the groove, a first contact point connected to one of the terminal plates; a bimetal plate located in the base and a recess defined in a first end of the bimetal plate, an N-shaped spring having one end thereof engaged with the groove in the inside of the base, the other end of the N-shaped spring received in the recess in the bimetal plate; a swing member pivotally connected between two opposite insides of the base and a recess defined in a top of the swing member, a cone-shaped protrusion extending from a top of the swing member and located in the recess so as to define two notches separated by the protrusion, a connection plate connected between an end of the swing member and the first end of the bimetal plate; a pushing rod having an enlarged head at a top end of the pushing rod and a spring mounted to the pushing rod, the enlarged head contacting an underside of the button and a lower end of the pushing rod located in one of the two notches in the swing member, and an adjusting member movably engaged with the adjusting hole and an end of the adjusting member contacting the N-shaped spring in the groove.