Thermally responsive electrical switch

Claim 1

A THERMALLY RESPONSIVE ELECTRICAL SWITCH ADAPTED FOR MINIATURIZATION COMPRISING A CASING; A FIRST ELECTRICAL CONTACT DISPOSED WITHIN SAID CASING; A SUBSTANTIALLY USHAPED ELECTRICALLY CONDUCTIVE MEMBER DISPOSED WITHIN SAID CASING AND HAVING FIRST AND SECOND LEG PORTIONS COMPRISING ELECTRICAL HEATER MEMBERS FORMED OF THERMALLY CONDUCTIVE, ELECTRICALLY RESISTANT MATERIAL AND A BIGHT PORTION INTERCONNECTING SAID LEG PORTIONS; AN ELONGATED THERMALLY RESPONSIVE ELEMENT, AT ONE END THEREOF, BEING ELECTRICALLY CONNECTED TO AND CANTILEVER MOUNTED ON SAID USHAPED MEMBER ADJACENT THE BIGHT PORTION END THEREOF, SAID ELEMENT, AT THE OTHER END THEREOF, CARRYING AN ELECTRICAL CONTACT FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH SAID FIRST ELECTRICAL CONTACT; SAID FIRST AND SECOND HEATER MEMBERS BEING POSITIONED ADJACENT SAID ELEMENT; MEANS DISPOSED IN SAID CASING RESTRAINING THE FREE ENDS OF SAID FIRST AND SECOND MEMBERS AGAINST MOVEMENT LONGITUDINALLY THEREOF; AT LEAST ONE OF SAID FIRST AND SECOND MEMBERS BEING DEFORMED AT LEAST IN PART IN A DIRECTION TRANSVERSE TO THE PLANE OF SAID THERMALLY RESPONSIVE ELEMENT SO THAT UPON PREDETERMINED THERMAL EXPANSION, FLEXING OF SAID ONE MEMBER TOWARD SAID THERMALLY RESPONSIVE ELEMENT WILL RESULT.