Aviation quick release valve

Claim 1

IN AN EMERGENCY OXYGEN SUPPLY SYSTEM HAVING A STATION OUTLET VALVE INCLUDING A GAS INLET AND DELIVERY OUTLET AND A VALVE ELEMENT THEREBETWEEN MOVABLE TO OPEN AND CLOSED POSITIONS, RESPECTIVELY, TO OPEN OR CLOSE SAID VALVE, A FACE INHALER FOR ADMINISTERING OXYGEN TO A USER, AND CONDUIT MEANS CONNECTING SAID VALVE OUTLET WITH SAID INHALER, MEANS BIASING SAID VALVE ELEMENT TOWARD OPEN POSITION TO ALLOW THE DELIVERY OF OXYGEN TO SAID INHALER, LOCKING MEANS OPERABLE TO OPPOSE SAID VALVE BIASING MEANS AND NORMALLY MAINTAIN SAID VALVE ELEMENT IN CLOSED POSITION, SAID LOCKING MEANS INCLUDING A SPRING MEMBER ADAPTED TO RESILIENTLY URGE SAID VALVE ELEMENT TOWARD CLOSED POSITION AND A SUBSTANTIALLY SPHERICAL MEMBER REMOVABLY INTERPOSED BETWEEN SAID SPRING MEMBER AND SAID VALVE ELEMENT AND LINKAGE MEANS FORMING A CONNECTION, HAVING A MAXIMUM PREDETERMINED LENGTH, BETWEEN SAID SPHERICAL LOCKING MEMBER AND SAID INHALER OPERABLE UPON PREDETERMINED DISPLACEMENT OF SAID INHALER TO DISARM SAID LOCKING MEANS AND RENDER IT INEFFECTIVE TO OPPOSE SAID VALVE BIASING MEANS.