Condition responsive switch with weld breaking means

Claim 1

IN A CONTROL DEVICE THE COMBINATION COMPRISING; A BASE MEMBER, CONDITION SENSING MEANS FOR SENSING CONDITIONS OF AN ENVIRONMENT, FIRST ELECTRICAL CONTACT MEANS SUPPORTED BY SAID BASE MEMBER AND SECOND ELECTRICAL CONTACT MEANS MATABLE WITH SAID FIRST CONTACT MEANS AND ACTUATED FOR MOVEMENT RELATIVE THERETO, FLEXIBLE ELONGATED ELEMENT MEANS HAVING A FIRST END AND A FREELY MOVABLE END FOR SUPPORTING AND ACTUATING SAID SECOND ELECTRICAL CONTACT MEANS, RESPONSIVE MEANS OPERATIVELY CONNECTED TO SAID CONDITION SENSING MEANS INCLUDING ACTUATING MEANS OPERATING TO ACTUATE SAID SECOND ELECTRICAL CONTACT MEANS FOR CONTROLLING THE RELATIVE POSITION OF SAID CONTACTS IN RESPONSE TO PREDETERMINED CONDITIONS SENSED BY SAID CONDITION SENSING MEANS, PUSHER MEANS INCLUDING AN ELONGATED LEVER ARM DISPOSED BETWEEN SAID ACTUATING MEANS AND SAID FLEXIBLE ELEMENT MEANS, AND MEANS FOR FIXEDLY SUPPORTING SAID FIRST END OF SAID FLEXIBLE ELEMENT MEANS RELATIVE TO A PORTION OF SAID PUSHER MEANS, SAID PUSHER MEANS CREATING A FIRST MOMENT ARM ABOUT SAID FLEXIBLE ELEMENT MEANS SUPPORT AND SAID ACTUATING MEANS CREATING A SECOND MOMENT ARM ABOUT SAID FLEXIBLE ELEMENT MEANS SUPPORT, SAID FIRST MOMENT ARM BEING SUBSTANTIALLY GREATER THAN SAID SECOND MOMENT ARM AND OPERATIVE IN RESPONSE TO WELDING OF SAID CONTACT MEANS FOR REDUCING THE EFFECTIVE STIFFNESS OF A PORTION OF SAID FLEXIBLE ELEMENT MEANS THEREBY PERMITTING THE ROCKING MOTION SAID CONTACT MEANS TO BREAK SAID WELD.