Combination pressure regulator and manual on-off valve

Claim 1

A COMBINATION VALVE, COMPRISING: A HOUSING CONTAINING A DIAPHRAGM CHAMBER AND A CENTRAL CAVITY IN COMMUNICATION WITH A VALVE SEATED THEREBETWEEN; A DIAPHRAGM MEMBER FORMING AN OUTER WALL OF SAID DIAPHRAGM CHAMBER; A FIRST VALVE MEMBER RESPONSIVE TO THE MOVEMENT OF THE DIAPHRAGM MEMBER AND MOVABLE BETWEEN A CLOSED POSITION IN WHICH IT IS SEALING ENGAGEMENT WITH THE VALVE SEAT AND AN OPEN POSITION IN WHICH IT IS SPACED FROM THE VALVE SEAT TOWARD THE CENTRAL CAVITY; A MAIN INLET IN THE HOUSING IN COMMUNICATION WITH THE CENTRAL CAVITY; A MAIN OUTLET IN THE HOUSING IN COMMUNICATION WITH THE DIAPHRAGM CHAMBER; A PILOT INLET IN THE HOUSING BETWEEN THE MAIN INLET AND THE CENTRAL CAVITY; A PILOT OUTLET IN THE HOUSING IN COMMUNICATION WITH THE CENTRAL CAVITY; A CUP-LIKE SECOND VALVE MEMBER INCLUDING A SIDE WALL AND A BOTTOM PORTION PIVOTALLY MOUNTED IN SAID CENTRAL CAVITY AND PROVIDING A MAIN CHAMBER WHICH RECEIVES SAID FIRST VALVE MEMBER WHEN IT IS IN THE OPEN POSITION, SAID SECOND VALVE MEMBER BEING MOVABLE AMONG A FULLY OPEN POSITION, A PILOT POSITION, AND A CLOSED POSITION; PORT IN THE SIDE WALL OF SAID SECOND VALVE MEMBER WHICH REGISTERS WITH THE MAIN INLET WHEN SAID SECOND VALVE MEMBER IS IN THE OPEN POSITION TO PROVIDE COMMUNICATION BETWEEN THE MAIN INLET AND THE MAIN CHAMBER, AND WHICH IS SPACED AWAY FROM THE MAIN INLET WHEN THE SECOND VALVE MEMBER IS IN EITHER OF THE OTHER TWO PORTIONS WHEREBY SAID SIDE WALL CLOSES OFF THE MAIN INLET; PASSAGE MEANS IN THE BOTTOM PORTION OF SAID SECOND VALVE MEMBER PROVIDING COMMUNICATION BETWEEN THE PILOT INLET AND THE PILOT OUTLET WHEN SAID SECOND VALVE MEMBER IS IN BOTH THE FULLY OPEN POSITION AND THE PILOT OPEN POSITION, AND WHICH IS APACED FROM THE PILOT INLET WHEN SAID SECOND VALVE MEMBER IS IN THE CLOSED POSITION SO AS TO CLOSE OFF THE PILOT INLET; AND CONTROL MEANS OPERABLE FROM OUTSIDE THE HOUSING FOR MOVING THE SECOND VALVE MEMBER BETWEEN SAID POSITIONS.