Quick connect coupling

Claim 1

A COUPLING COMPRISING TELESCOPING NIPPLE AND SOCKET PARTS HAVING COOPERATING MEANS FOR RELEASABLY LOCKING THEM TOGETHER, SAID SOCKET PART COMPRISING A SOCKET BODY HAVING A FORWARD OPEN NIPPLE-RECEIVING END AND A TUBULAR PORTION EXTENDING REARWARDLY THEREFROM, A POPPET VALVE IN SAID SOCKET BODY HAVING A CENTRAL STEM EXTENDING FORWARDLY AND TERMINATING IN AN ENLARGED VALVE CLOSURE HEAD, SAID POPPET VALVE BEING MOUNTED WITHIN SAID SOCKET BODY TUBULAR PORTION AND HAVING SLIDING AXIAL ENGAGEMENT THEREWITH AND THEREIN BETWEEN A REARWARD POSITION WITH SAID VALVE CLOSURE HEAD RETRACTED REARWARDLY OF SAID FORWARD OPEN NIPPLE-RECEIVING END OF SAID SOCKET BODY AND A FORWARD POSITION WITH SAID VALVE CLOSURE HEAD PROJECTED FORWARDLY INTO SAID FORWARD OPEN NIPPLE-RECEIVING END OF SAID SOCKET BODY AND INTO SAID NIPPLE PART WHEN SAID TELESCOPING NIPPLE AND SOCKET PARTS ARE TELESCOPINGLY ENGAGED, A VALVE SEAT SLEEVE MOUNTED FOR AXIAL SLIDING MOTION WITH AND WITHIN SAID SOCKET BODY TUBULAR PORTION AND CONCENTRICALLY OF SAID POPPET VALVE AND HAVING A GENERALLY FORWARDLY FACING VALVE SEAT SMALLER IN DIAMETER THAN SAID ENLARGED VALVE CLOSURE HEAD AND ADAPTED TO HAVE ITS FORWARD SLIDING MOTION LIMITED BY SEALING ENGAGEMENT WITH SAID HEAD AND ADAPTED TO HAVE ABUTTING ENGAGEMENT WITH SAID NIPPLE WHEN SAID SOCKET AND NIPPLE PARTS ARE TELESCOPINGLY ENGAGED, SPRING MEANS ACTING BETWEEN SAID VALVE SEAT SLEEVE AND SAID POPPET VALVE TENDING TO URGE SAID VALVE SEAT SLEEVE AND SAID VALVE SEAT TOWARD AND INTO SEALING ENGAGEMENT WITH SAID VALVE CLOSURE HEAD, MOVABLE CAM MEANS MOUNTED ON ONE FOR ENGAGEMENT WITH THE OTHER OF SAID SOCKET BODY AND SAID POPPET VALVE FOR COACTING WITH SAID SPRING MEANS TO AXIALLY POSITION ONE WITH RESPECT TO THE OTHER AND TO AXIALLY POSITION SAID VALVE CLOSURE HEAD FORWARDLY OF AND OUT OF SEALING ENGAGEMENT WITH SAID VALVE SEAT WHEN SAID NIPPLE IS TELESCOPINGLY ENGAGED IN SAID SOCKET PART AND IN ABUTTING ENGAGEMENT WITH SAID VALVE SEAT SLEEVE.