Valved quick coupler

Claim 1

A VALVE MECHANISM IN A QUICKLY COUPLED AND UNCOUPLED COUPLER OF THE CLASS DESCRIBED WHICH COMPRISES A HOLLOW FEMALE PART AND A HOLLOW MALE PART; SAID FEMALE PART COMPRISING MEANS TO SECURE IT TO A LENGTH OF CONDUIT, A HOLLOW VALVE HOUSING PORTION, AN AXIALLY ALIGNED HOLLOW NECK PORTION AND A ROTATABLE SLEEVE ROTATABLY MOUNTED ON SAID NECK PORTION, THE INTERNAL SURFACE OF SAID VALVE HOUSING PORTION BEING FLARED OUTWARDLY FROM THE END OF SAID NECK PORTION TO PROVIDE AN ANNULAR TAPERED VALVE SEAT, AND SAID MALE PART COMPRISING MEANS TO SECURE IT TO A LENGTH OF CONDUIT AND A HOLLOW STEM PORTION HAVING A FORWARD END INSERTABLE INTO SAID SLEEVE AND SAID NECK PORTION OF SAID FEMALE PART, SAID MALE AND FEMALE PARTS BEING COUPLED WHEN SAID HOLLOW STEM IS MOVED FORWARD IN SAID HOLLOW NECK TO COUPLED POSITION; SAID VALVE MECHANISM COMPRISING, A BALL VALVE IN SAID VALVE HOUSING MOVABLE IN A DIRECTION AWAY FROM SAID VALVE SEAT TO OPEN POSITION AND TOWARD SAID SEAT INTO ENGAGEMENT THEREWITH TO CLOSED POSITION, RESILIENT SPRING MEANS IN SAID VALVE HOUSING URGING SAID VALVE TOWARD SAID VALVE SEAT, SAID VALVE HAVING GUIDE MEANS AND HAVING AN ANNULAR RESILIENT GASKET AND A STOP RING OF RIGID MATERIAL ENGAGING SAID GASKET; SAID VALVE HAVING A SPHEROIDAL CROWN PORTION ENGAGED BY SAID SPRING MEANS, SAID RESILIENT GASKET LYING BETWEEN SAID CROWN PORTION AND STOP RING, SAID GUIDE MEANS INCLUDING A FLAT RING PORTION AND A PLURALITY OF CIRCUMFERENTIALLY SPACED, COAXIALLY DISPOSED GUIDE LEGS, SAID GUIDE LEGS EXTENDING INTO AND BEING SLIDABLE WITH A SNUG FIT IN THE NECK PORTION OF SAID FEMALE PART AND BEING ENGAGEABLE BY SAID HOLLOW STEM OF SAID MALE PART, SAID FLAT RING PORTION OF SAID GUIDE MEANS BEING FIXED TO SAID BALL VALVE AND MAINTAINING SAID RESILIENT GASKET AND SAID STOP RING IN FIXED POSITION ON SAID VALVE, THE PERIPHERAL EDGE OF SAID STOP RING BEING TAPERED AT THE SAME ANGLE AS THE ANGLE OF FLARE OF SAID ANNULAR VALVE SEAT, THE PERIPHERAL EDGE OF SAID RESILIENT GASKET AND THE TAPERED PERIPHERAL EDGE OF SAID STOP RING ENGAGING SAID FLARED VALVE SEAT WHEN SAID VALVE IS IN CLOSED POSITION, SAID VALVE BEING MOVED TO OPEN POSITION WHEN SAID HOLLOW STEM IS INSERTED INTO SAID NECK PORTION OF SAID FEMALE PART INTO ENGAGEMENT WITH SAID GUIDE LEGS AND SAID MALE AND FEMALE PARTS ARE IN COUPLED POSITION, SAID HOLLOW STEM MAINTAINING SAID VALVE IN OPEN POSITION WHEN SAID MALE AND FEMALE PARTS ARE IN COUPLED POSITION AND SAID VALVE BEING MOVED TO CLOSED POSITION BY SAID SPRING WHEN THE FORWARD END OF SAID HOLLOW STEM IS RETRACTED TO A POSITION OUT OF ENGAGEMENT WITH SAID GUIDE LEGS AND SAID COUPLER IS UNCOUPLED.