Combination sill-cock and vacuum breaker

Claim 1

IN A VALVE STRUCTURE, A VALVE BODY HAVING AN INLET, AN OUTLET AND A BONNET OPENING, A MAIN VALVE SEAT IN SAID BODY, A MOVABLE VALVE PLUG COOPERATING WITH SAID VALVE SEAT TO CONTROL THE FLOW OF WATER THROUGH SAID VALVE, A GUIDE SLEEVE WITHIN WHICH SAID VALVE PLUG IS ADAPTED TO RECIPROCATE, SAID GUIDE SLEEVE HAVING A FLANGE PORTION AROUND ONE END THEREOF, A BONNET ON SAID BODY, SAID BONNET CLAMPING THE FLANGE PORTION OF SAID GUIDE SLEEVE TO SAID BONNET OPENING, SAID BONNET AND SAID FLANGE PORTION HAVING VENT OPENINGS THEREIN LEADING INTO THE INTERIOR OF SAID BODY, A VALVE STEM THREADED INTO SAID VALVE PLUG FROM SAID BONNET, AND OPERATING HANDLE ON SAID VALVE STEM FOR CLOSING AND OPENING SAID VALVE PLUG FROM SAID VALVE SEAT, AND A VACUUM BREAKER DEVICE INCORPORATED IN SAID VALVE STRUCTURE, COMPRISING A HOLLOW INVERTED CUP-SHAPED MEMBER HAVING AN INNER WALL PORTION SURROUNDING SAID GUIDE SLEEVE AND SLIDABLE THEREON, AN OUTER WALL PORTION SPACED FROM SAID INNER WALL PORTION, THE UPPER JOINED ENDS OF SAID INNER AND OUTER WALL PORTIONS FORMING AIR VALVE MEANS ADAPTED TO CLOSE UPON SAID AIR VENTS WHEREIN SAID CUP-SHAPED MEMBER IS MOVED UPWARDLY ON SAID GUIDE SLEEVE BY FLOW OF WATER THROUGH SAID VALVE, AND A CHECK VALVE SEAT FORMED IN SAID VALVE BODY SURROUNDING SAID MAIN VALVE SEAT, SAID VACUUM BREAKER DEVICE SLIDING DOWNWARD SO THE BOTTOM END OF SAID OUTER WALL IS ADAPTED TO CLOSE UPON SAID CHECK VALVE SEAT AND SAID AIR VENTS ARE OPENED, WHENEVER A VACUUM CONDITION EXISTS AT THE VALVE INLET.