Gas connection tap with hose connection part

Claim 1

COMBINED HOSE COUPLING AND COCK OPERATING MECHANISM COMPRISING, IN COMBINATION, A HOUSING FORMED WITH AN AXIAL BORE HAVING AN OPEN AND A CLOSED END AND A TRANSVERSE BORE COMMUNICATING WITH SAID AXIAL BORE ADJACENT SAID CLOSED END THEREOF, SAID HOUSING BEING ALSO FORMED IN THE REGION OF SAID OPEN END OF SAID AXIAL BORE WITH AT LEAST ONE AXIAL GROOVE; A COCK MEMBER FITTED IN SAID AXIAL BORE OF SAID HOUSING AND BEING FORMED WITH A FIRST PASSAGE THERETHROUGH COAXIAL WITH SAID AXIAL BORE AND A SECOND PASSAGE COMMUNICATING WITH THE FIRST PASSAGE, SAID COCK MEMBER BEING TURNABLE IN SAID HOUSING ABOUT THE AXIS OF SAID AXIAL BORE BETWEEN A CLOSED POSITION, AN INTERMEDIATE COUPLING POSITION AND AN OPEN POSITION AND SAID SECOND PASSAGE COMMUNICATING WITH THE TRANSVERSE BORE ONLY IN SAID OPEN POSITION OF SAID COCK MEMBER; HOSE MEANS HAVING AN ATTACHING END INSERTABLE THROUGH SAID OPEN END OF SAID AXIAL BORE OF SAID HOUSING IN SAID FIRST PASSAGE OF SAID COCK MEMBER WHEN THE LATTER IS IN SAID CLOSED POSITION; FIRST COUPLING MEANS IN SAID OPEN END OF SAID AXIAL BORE OF SAID HOUSING AND CONNECTED TO SAID COCK MEMBER FOR ROTATION THEREWITH, SAID FIRST COUPLING MEANS INCLUDING A BALL CAGE CONNECTED TO SAID COCK FOR ROTATION THEREWITH AND AT LEAST ONE BALL HELD IN SAID BALL CAGE FOR ROTATION THEREWITH AND MOVABLE IN RADIAL DIRECTION BETWEEN A COUPLING POSITION IN WHICH A PORTION OF SAID BALL PROTRUDES BEYOND AN INNER SURFACE OF SAID BALL CAGE AND AN UNCOUPLING POSITION, SAID BALL CAGE BEING CONNECTED TO SAID COCK SO THAT SAID BALL IS ALIGNED WITH SAID AXIAL GROOVE WHEN SAID COCK IS IN SAID CLOSED POSITION THEREOF PERMITTING SAID BALL TO MOVE RADIALLY OUTWARDLY TO SAID UNCOUPLING POSITION THEREOF; AND SECOND COUPLING MEANS FIXED TO SAID ATTACHING END OF SAID HOSE MEANS AND COOPERATING WITH SAID FIRST COUPLING MEANS UPON INSERTION OF SAID ATTACHING END OF SAID HOSE MEANS INTO SAID COCK FOR CONNECTING SAID COCK TO SAID HOSE MEANS FOR TURNING MOVEMENT THEREWITH, SAID SECOND COUPLING MEANS BEING FORMED WITH A CAVITY ALIGNED WITH SAID BALL WHEN SAID ATTACHING END OF SAID HOSE MEANS IS INSERTED INTO SAID COCK, WHEREBY UPON TURNING OF SAID COCK MEMBER BY SAID HOSE MEANS FROM SAID CLOSED TO SAID COUPLING POSITION SAID BALL WILL BE MOVED OUT OF SAID GROOVE TO THE COUPLING POSITION THEREOF INTO SAID CAVITY OF SAID SECOND COUPLING MEANS SO AS TO PREVENT SEPARATION OF SAID HOSE MEANS FROM SAID COCK MEMBER UPON TURNING OF SAID COCK BY SAID HOSE MEANS FROM SAID CLOSED TO AND BEYOND SAID COUPLING POSITION.