Probe apparatus and method

Claim 1

IN COMBINATION, A THERMOSTAT UNIT ADAPTED TO BE UTILIZED WITH AN OVEN HAVING HEATING MEANS TO HEAT SAID OVEN AND COOK AN ARTICLE DISPOSED THEREIN, SAID THERMOSTAT UNIT BEING ADAPTED TO BE DISPOSED REMOTE FROM SAID OVEN AND HAVING LEVER MEANS OSCILLATED ABOUT MOVABLE FULCRUM MEANS AND HAVING TWO ACTUATING PORTIONS, A SINGLE MANIPULATOR MEANS MANUALLY TO ADJUST SAID LEVER FULCRUM MEANS TO A PREDETERMINED POSITION THEREOF TO SELECT A MANUALLY SELECTED OVEN TEMPERATURE ADAPTED TO BE MAINTAINED IN SAID OVEN BY SAID THERMOSTAT UNIT, AN EXPANSIBLE CHAMBER MEANS IN SAID THERMOSTAT UNIT CONNECTED TO A THERMOSTAT BULB ADAPTED TO BE DISPOSED IN SAID OVEN, SAID CHAMBER MEANS HAVING A MOVABLE WALL PART BEING ADAPTED TO OSCILLATE ONE OF SAID ACTUATING PORTIONS OF SAID LEVER MEANS IN RESPONSE TO OVEN TEMPERATURES, A HEATING MEANS CONTROLLER ACTUATED BY THE OTHER OF SAID ACTUATING PORTIONS OF SAID LEVER MEANS AND BEING ADAPTED TO ENERGIZE AND DE-ENERGIZE SAID HEATING MEANS TO CONTROL SAID OVEN TEMPERATURE, A MOVABLE MODIFIER MEMBER FOR ADJUSTING SAID LEVER FULCRUM MEANS INDEPENDENTLY OF SAID MANIPULATOR MEANS, A HEAT MOTOR FOR MOVING SAID MODIFIER MEMBER FROM ONE POSITION THEREOF TO ANOTHER POSITION THEREOF TO MOVE SAID FULCRUM MEANS FROM SAID PREDETERMINED POSITION THEREOF ANOTHER POSITION THEREOF IN ORDER TO VARY THE RESPONSE OF SAID THERMOSTAT UNIT TO OVEN TEMPERATURES WITHOUT VARYING THE POSITION OF SAID MOVABLE WALL PART OF SAID EXPANSIBLE CHAMBER MEANS, AND A PROBE MEANS ADAPTED TO BE INSERTIBLE INTO SAID ARTICLE AND BEING ADAPTED TO OPERATE SAID HEAT MOTOR IN RESPONSE TO INTERNAL TEMPERATURES IN SAID ARTICLE INDEPENDENTLY OF SAID MANIPULATOR MEANS, SAID MANIPULATOR MEANS BEING ADAPTED TO SET SAID LEVER FULCRUM MEANS TO ITS OFF POSITION TO PREVENT SAID HEATING MEANS CONTROLLER FROM BEING ADAPTED TO ENERGIZE SAID HEATING MEANS BEFORE AND AFTER SAID HEAT MOTOR HAS MOVED SAID MODIFIER MEMBER TO SAID OTHER POSITION THEREOF, SAID MANIPULATOR MEANS BEING ADJUSTABLE TO ANY POSITION THEREOF WITHOUT VARYING THE POSITION OF SAID MOVABLE WALL PART OF SAID CHAMBER MEANS.