Pneumatic weight transmitter

Claim 1

A PNEUMATIC WEIGHT TRANSMITTER COMPRISING A BODY HAVING A WEIGHTING ANVIL CONNECTED TO A TARE WEIGHT DIAPHRAGM, SAID DIAPHRAGM PARTIALLY DEFINING A PORTION OF A TARE WEIGHT CHAMBER, SAID BODY HAVING A NET LOAD CHAMBER PARTIALLY DEFINED BY A NET LOAD DIAPHRAGM, AT LEAST TWO DAMPENING CHAMBERS BETWEEN SAID TARE WEIGHT AND NET LOAD CHAMBERS, SAID DAMPENING CHAMBERS EACH BEING PARTIALLY DEFINED BY AN ANNULAR DAMPENING DIAPHRAGM, A DAMPENING MEDIUM IN SAID DAMPENDING CHAMBERS, THE OUTER PERIPHERAL PORTION OF EACH DAMPENING DIAPHRAGM BEING SUPPORTED BY A SEPARATE FLANGE ON THE INNER PERIPHERAL OF SAID BODY, THE INNER PERIPHERAL OF EACH DAMPENING DIAPHRAGM BEING CONNECTED TO A GUIDE MEMBER, MEANS DEFINING AN OUTLET FLOW PASSAGE FROM SAID NET LOAD CHAMBER, A VALVE MEMBER IN SAID NET LOAD CHAMBER AND SUPPORTED OF BY SAID NET LOAD DIAPHRAGM FOR CONTROLLING FLOW THROUGH SAID PASSAGE, MEANS FOR INTRODUCING AIR AT A CONSTANT FLOW INTO SAID NET LOAD CHAMBER, SAID BODY HAVING A VENT CHAMBER BETWEEN ONE OF SAID DAMPENING CHAMBERS AND SAID NET LOAD DIAPHRAGM, SAID VENT CHAMBER BEING PARTIALLY DEFINED BY SAID NET LOAD DIAPHRAGM AND BEING VENTED TO ATMOSPHERE, AND RIGID MEANS COOPERATING WITH SAID GUIDE MEMBER AND EXTENDING BETWEEN SAID ANVIL AND NET LOAD DIAPHRAGM, WHEREBY FORCE SUPPLIED TO SAID ANVIL IS TRANSMITTED BY SAID RIGID MEANS TO SAID NET LOAD DIAPHRAGM AND BALANCED BY THE PRESSURE IN SAID NET LOAD CHAMBER WHICH IS CONTROLLED BY THE RELATIVE POSITION OF SAID VALVE MEMBER WITH RESPECT TO SAID PASSAGE.