Electric iron

Claim 1

AN ELECTRIC IRON COMPRISING A SOLE PLATE TO BE HEATED BY A PLATE HEATER, A THERMOSTAT THERMALLY CONDUCTIVELY MOUNTED ON SAID SOLE PLATE, A COVER SHELL FOR COVERING SAID THERMOSTAT AND MOUNTED TO THE SOLE PLATE AND A HANDLE MOUNTED TO SAID COVER SHELL, SAID THERMOSTAT CONSISTING OF UPPER AND LOWER CONTACT ARMS EACH HAVING A CONTACT PROVIDED IN OPPOSED RELATION TO ANOTHER FOR ENGAGEMENT AND DISENGAGEMENT, A BIMETAL STRIP PROVIDED AT ITS FREE END WITH A BIMETAL INSULATOR PROVIDED IN OPPOSED RELATION TO THE FREE END OF SAID UPPER CONTACT ARM, A SUPPORTING MEMBER TO WHICH SAID UPPER AND LOWER CONTACT ARMS AND SAID BIMETAL STRIP ARE INTEGRALLY SECURED BY CAULKING AT THEIR ROOT PORTIONS IN JUXTAPOSED RELATION WITH INSULATING LAYERS INTERVENING THEREBETWEEN AND A THERMOADJUSTMENT SHAFT FOR ADJUSTING THE SPACE BETWEEN THE FREE END OF SAID UPPER CONTACT ARM AND SAID BIMETALLIC INSULATOR, SAID THERMOSTAT BEING PROVIDED WITH A SLIDE RING FITTED ON SAID THERMO-ADJUSTMENT SHAFT AND HAVING A SLIDE PIN MOUNTED TO THE SIDE THEREOF, A GUIDE MEMBER FORMED INTO A SPIRAL LEAD WHICH IS ADAPTED TO ROTATE INTEGRALLY WITH SAID THERMO-ADJUSTMENT SHAFT MORE THAN ONE CIRCLE TO CAUSE A VERTICAL MOVEMENT OF THE SLIDE RING, A MANUALLY OPERATIVE CIRCUIT SWITCH CONSISTING OF A FIXED CONTACT ARM EXTENDING FROM A TERMINAL PLATE ELECTRICALLY CONDUCTIVELY CONNECTED TO SAID UPPER CONTACT ARM AND HAVING A FIXED CONTACT AND A MOVABLE CONTACT ARM ASSEMBLED INTEGRALLY WITH SAID THERMOSTAT, WHILE BEING ELECTRICALLY INSULATED THEREFROM, HAVING A MOVABLE CONTACT THEREON AND MADE OF A FLEXIBLE MATERIAL, AND A GUIDE PLATE DISPOSED BETWEEN SAID THERMO-ADJUSTMENT SHAFT AND SAID MANUALLY OPERATIVE CIRCUIT SWITCH AND ADAPTED TO CHANGE THE MOVEMENT OF SAID SLIDE PIN CAUSED BY THE ROTATION OF SAID GUIDE MEMBER INTO A VERTICAL MOVEMENT SO AS TO HAVE SAID PIN SLIDE VERTICALLY WITHIN A CONTROLLED RANGE, SAID SLIDE PIN OPENING SAID MANUALLY OPERATIVE CIRCUIT SWITCH WHEN IT REACHES THE LOWERMOST POSITION.