Thermal time delay electric switch means having selectively adjustable on and off times

Claim 1

A THERMAL TIME DELAY SWITCH FOR PROVIDING SELECTIVELY ADJUSTABLE ON AND OFF TIMES INCLUDING A THERMALLY BIASED ACTUATING MEANS, A SWITCH MEANS CONTROLLED THEREBY AND A HOLLOW CASING FOR HOUSING SAID ACTUATING MEANS AND SAID SWITCH MEANS, SAID CASING HAVING AT LEAST TWO SIDE WALLS; SAID THERMALLY BIASED ACTUATING MEANS INCLUDING A MAIN MOTIVE ELEMENT COMPRISING A MAIN ELONGATED BIMETAL SUBSTANTIALLY COEXTENSIVE WITH AND ADJACENT ONE OF SAID SIDE WALLS AND A HEATER MEANS IN HEAD EXCHANGING RELATIONSHIP WITH SAID MAIN BIMETAL, FULCRUM MEANS FOR SAID MAIN BIMETAL ADJACENT ONE END THEREOF, MEANS FOR ADJUSTABLE POSITIONING AND FIXING SAID ONE END OF SAID MAIN BIMETAL ABOUT SAID FULCRUM, THE OTHER END OF SAID MAIN BIMETAL BEING FREE TO MOVE IN RESPONSE TO THERMAL BIAS DERIVED FROM SAID HEATER MEANS, A CURVILINEAR COMPENSATING BIMETAL, IN HEAT EXCHANGING RELATIONSHIP WITH SAID HEATER MEANS, FIXED AT ONE END TO SAID FREE END OF SAID MAIN BIMETAL, AND A TRANSFER LINK CONNECTED AT ONE END TO THE OTHER END OF SAID COMPENSATING BIMETAL AND AT ITS OTHER END TO SAID SWITCH MEANS; AND SAID SWITCH MEANS INCLUDING A MAIN SPRING ASSEMBLY, COEXTENSIVE WITH A PORTION OF SAID OTHER SIDE WALL, HAVING A FIXED END AND A FREE END AND CONNECTED WITH SAID OTHER END OF SAID TRANSFER LINK AT SAID FREE END, A MOVING CONTACT MEANS ACTUATED BY SAID MAIN SPRING ASSEMBLY AND A FIXED CONTACT MEANS COOPERATING WITH SAID MOVING CONTACT MEANS, SAID MAIN SPRING ASSEMBLY OF SAID SWITCH MEANS AND SAID MAIN AND COMPENSATING BIMETALS OF SAID ACTUATING MEANS BEING SELFBIASED SO AS TO ACT IN OPPOSITION THROUGH SAID TRANSFER LINK.