Hydrant valve

Claim 1

A HYDRANT VALVE UNIT, COMPRISING: A FIXED VALVE STRUCTURE HAVING ONE END ADAPTED FOR ATTACHMENT TO A PIPE LINE: A DETACHABLE VALVE STRUCTURE HAVING ONE END ADAPTED FOR CONNECTION TO A FUELING HOSE; A SEPARABLE COUPLING CARRIED BY ONE OF SAID VALVE STRUCTURES, INCLUDING AN ELEMENT MOVABLE AXIALLY THEREON BETWEEN LATCHING AND UNLATCHING POSITIONS, FOR DETACHABLY LOCKING SAID VALVE STRUCTURES TOGETHER WITH THEIR OTHER ENDS ABUTTING IN END-TO-END RELATIONSHIP; CONFRONTING, AXIALLY MOVABLE VALVE ELEMENTS AT THE ABUTTING ENDS OF SAID VALVE STRUCTURES, ONE OF SAID VALVE ELEMENTS BEING MOUNTED WITHIN EACH OF SAID VALVES STRUCTURES; A VALVE SEAT FOR EACH VALVE ELEMENT CARRIED BY ITS ASSOCIATED VALVE STRUCTURE, SAID VALVE SEATS AND VALVE ELEMENTS BEING ARRANGED SO THAT, IN OPENING, ONE VALVE ELEMENT MOVES AXIALLY OUTWARDLY AND THE OTHER OF SAID VALVE ELEMENTS MOVES AXIALLY INWARDLY RELATIVE TO ITS ASSOCIATED VALVE STRUCTURE, AND VICE VERSA IN CLOSING; OPERATING MEANS STRUCTURALLY INDEPENDENT OF SAID SEPARABLE COUPLING MOUNTED ON THE VALVE STRUCTURE CARRYING SAID OUTWARDLY OPENING VALVE ELEMENT, AND INCLUDING AN AXIALLY SLIDABLE MEMBER CONNECTED WITH SAID OUTWARDLY OPENING VALVE ELEMENT AND OPERABLE INDEPENDENTLY OF SAID SEPARABLE COUPLING TO AXIALLY MOVE SAID OUTWARDLY OPENING VALVE ELEMENT IN EITHER DIRECTION, SAID OUTWARDLY OPENING VALVE ELEMENT WHEN MOVED AXIALLY