Thermal time delay relay for switching and protecting start and phase windings of motors

Claim 1

A CONTROL DEVICE FOR AN ELECTRIC MOTOR HAVING A MAIN AND A PHASE WINDING, COMPRISING A BASE, THREE ELECTRICAL TERMINALS, MOUNTED ON THE BASE; A PAIR OF NORMALLY CLOSED ELECTRICAL CONTACTS AND A PAIR OF NORMALLY OPENED ELECTRICAL CONTACTS, ONE OF SAID NORMALLY CLOSED CONTACTS BEING MOUNTED ON AND ELECTRICALLY CONNECTED TO A FIRST ONE OF SAIC TERMINALS; A SUBSTANTIALLY U-SHAPED ELECTRICALLY CONDUCTING THERMALLY RESPONSIVE MEMBER CARRYING THE OTHER OF SAID NORMALLY CLOSED CONTACTS ADJACENT ONE END OF ONE OF THE LEGS THEREOF FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH SAID ONE OF SAID NORMALLY CLOSED CONTACTS; AN ELECTRICALLY CONDUCTING SWITCH MEMBER, ADJACENT ONE END THEREOF, BEING ELECTRICALLY CONNECTED TO A SECOND ONE OF SAID TERMINALS; ONE OF SAID NORMALLY OPEN ELECTRICAL CONTACTS BEING MOUNTED ON AND ELECTRICALLY CONNECTED TO THE THIRD ONE OF SAID TERMINALS; THE OTHER OF SAID NORMALLY OPEN ELECTRICAL CONTACTS BEING CARRIED BY SAID SWITCH MEMBER, ADJACENT THE OTHER END THEREOF, FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH SAID ONE OF SAID NORMALLY OPEN CONTACTS, SAID ELECTRICALLY CONDUCTING THERMALLY RESPONSIVE MEMBER HAVING SPACED PORTIONS, ADJACENT THE OTHER END THEREOF, RESPECTIVELY ELECTRICALLY CONNECTED TO AND MOUNTED ON SAID SECOND AND THIRD TERMINALS, SAID ONE LEG OF SAID THERMALLY RESPONSIVE MEMBER OVERLYING SAID SWITCH MEMBER AND BEING MOVABLE RELATIVE TO AND THERE AGAINST UPON MOVEMENT OF SAID THERMALLY RESPONSIVE MEMBER IN A DIRECTION TOWARD SAID SWITCH MEMBER WHEN THE THERMALLY RESPONSIVE MEMBER IS HEATED BY ONE PREDETERMINED CURRENT FLOW CONDITION TO OPEN SAID NORMALLY CLOSED CONTACTS, AND TO THEREAFTER CLOSE SAID NORMALLY OPEN CONTACTS TO SHUNT OUT THE THERMALLY RESPONSIVE MEMBER IN RESPONSE TO FURTHER MOVEMENT THEREOF IN SAID DIRECTION BY ANOTHER PREDETERMINED CURRENT FLOW CONDITION.