Adjustable pneumatic temperature transmitter

Claim 1

IN A PNEUMATIC TEMPERATURE TRANSMITTER, THE COMBINATION COMPRISING: (A) PNEUMATIC SIGNAL CONDUIT MEANS ADAPTED TO DELIVER A SIGNAL PRESSURE TO CONTROLLER MEANS, (B) A VALVE HOUSING HAVING INLET MEANS AND OUTLET MEANS, (C) A CHAMBER DEFINED WITHIN SAID HOUSING, (D) VALVE MEANS IN SAID CHAMBER CONTROLLING A PNEUMATIC FLOW BETWEEN SAID INLET AND OUTLET MEANS, (E) SPRING MEANS OPERATIVELY CONNECTED TO SAID VALVE MEANS, (F) SAID INLET MEANS COMMUNICATING WITH SAID CONDUIT MEANS WHEREBY THE PNEUMATIC SIGNAL PRESSURE THEREIN IS VARIED BY SAID VALVE MEANS, (G) TEMPERATURE RESPONSIVE MEANS EXTENDING FROM SAID VALVE HOUSING TO SENSE REMOTE TEMPERATURE VARIATIONS, AND (H) POWER MEANS POSITIONED IN ABUTTING RELATIONSHIP TO SAID TEMPERATURE RESPONSIVE MEANS WHEREBY THERMAL EXPANSION AND CONTRACTION OF SAID TEMPERATURE RESPONSIVE MEANS EFFECTS A CORRESPONDING MOVEMENT OF SAID POWER MEANS, (I) THE MOVEMENT OF SAID POWER MEANS VARYING THE FORCE OF SAID SPRING MEANS UPON SAID VALVE MEANS AND THEREBY CAUSING A CORRESPONDING VARIATION OF THE PNEUMATIC SIGNAL PRESSURE IN SAID CONDUIT MEANS, (J) SAID POWER MEANS INCLUDING A PLATE, A THREADED STUD EXTENDING UPWARDLY FROM SAID PLATE, AND AN ADJUSTABLE DISC SECURED UPON SAID STUD, SAID STUD SERVING AS A SEAT FOR RECEIVING ONE END OF SAID SPRING MEANS.