Sequential irrigation valve

Claim 1

A FLUID PRESSURE OPERATED SEQUENCE IRRIGATION VALVE ASSEMBLY OF THE TYPE THAT IS CONNECTED IN SERIES IN AN IRRIGATION CONDUIT, SAID VALVE ASSEMBLY COMPRISING A HOUSING HAVING A CONDUIT INLET PORT FOR CONNECTION TO A PRESSURE SOURCE, A CONDUIT OUTLET PORT FOR CONNECTION TO A DOWNSTREAM VALVE ASSEMBLY AND FORMING A VALVE SEAT, AND A SPRINKLER OUTLET PORT FORMING A VALVE SEAT; A VALVE BALL SHIFTABLE LINEARLY IN SAID HOUSING BETWEEN SAID OUTLET PORTS, SAID BALL ALSO BEING LATERALLY DISPLACEABLE IN SAID HOUSING FOR CLOSING THE OUTLET PORT AT WHICH IT IS POSITIONED; PRESSURE RESPONSIVE VALVE ACTUATING MEANS ON SAID HOUSING, MEANS FOR RESILIENTLY CONNECTING SAID VALVE ACTUATING MEANS TO SAID VALVE BALL FOR LINEARLY SHIFTING SAID VALVE BALL FROM ONE OUTLET PORT TO A POSITION IN FRONT OF THE OTHER OUTLET PORT, SAID CONNECTING MEANS ACCOMMODATING LATERAL DISPLACEMENT OF SAID VALVE BALL; AND RAMP MEANS IN SAID HOUSING OPPOSITE TO AND FACING AT LEAST ONE OF SAID OUTLET PORTS, SAID RAMP MEANS ALSO FACING THE OTHER OF SAID OUTLET PORTS FOR CAUSING THE LINEAR SHIFTING MOTION OF SAID VALVE BALL TOWARD SAID ONE OUTLET PORT TO