Thermostat switch and variable adjusting means therefor

Claim 1

A THERMOSTAT COMPRISING A CASE, A BIMETAL BODY, A BACK PLATE, ONE END OF SAID BIMETAL BODY BEING FIXED TO SAID BACK PLATE, AN ADJUSTING MEANS PROVIDED AT THE OTHER END OF SAID BIMETAL BODY AND DISPOSED BETWEEN SAID BIMETAL BODY AND SAID BACK PLATE FOR MOVABLY ATTACHING SAID BIMETAL BODY TO SAID BACK PLATE, SUCH THAT SAID METAL BODY IS CURVED TO FORM AN ARCUATE SIDE SECTION, AND FOR PERMITTING VARIABLE ADJUSTMENT OF THE WARPING DEGREE OF SAID BIMETAL BODY, ONE OF SAID ENDS OF SAID BIMETAL BODY BEING MOVABLE AND CARRYING A CONTACT MOVABLE WITH SAID BIMETAL BODY, THE OTHER OF SAID ENDS OF SAID BIMETAL BODY MOUNTED SUBSTANTIALLY STATIONARY RELATIVE TO AND WITHIN SAID CASE, A FIXED CONTACT FIXED TO SAID CASE AND DISPOSED IN THE PATH OF SAID MOVABLE CONTACT, AS WELL AS TO BE ENGAGED BY THE LATTER UPON ACTUATING SAID BIMETAL BODY, TO OPEN AND CLOSE, RESPECTIVELY, A CIRCUIT, AND SAID ADJUSTING MEANS COMPRISES A SCREW MEANS HAVING A VARIABLE DIAMETER ALONG ITS AXIS.