Patent References 2745924 3243554 3846726 InventorAssigneeApplicationNo. 477828 filed on 06/10/1974US Classes:337/107, Significant heating element structure or composition29/622, Switch making337/102With external or auxiliary heating meansExaminersPrimary: Miller, J. D.Assistant: Bell, Fred E. Attorney, Agent or FirmAbstractAn electrical switch is provided with means movable in response to heat supplied thereto between circuit controlling positions, and the movable means has a predetermined generally arcuate configuration in one of its circuit controlling positions. Means for heating the movable means is predeterminately provided with a configuration generally corresponding to that of the movable means in its one circuit controlling position, and the heating means is disposed closely adjacent the movable means in its one circuit controlling position.A method of calibrating a bimetal strip is also disclosed. | |