Automatic shut-off valve

Claim 1

AN AUTOMATIC SHUT-OFF VALVE COMPRISING A BODY, A VALVE SEAT ELEMENT MOUNTED IN THE BODY, A VALVE ELEMENT RECEIVING CHAMBER EXTENDING DOWNWARDLY FROM SAID VALVE SEAT ELEMENT, AN INLET PORT COMMUNICATING WITH SAID CHAMBER BELOW SAID SEAT ELEMENT, SAID BODY ALSO HAVING AN OUTLET PORT ABOVE SAID SEAT ELEMENT COMMUNICATING THROUGH SAID SEAT ELEMENT WITH SAID CHAMBER, A VALVE ELEMENT IN SAID CHAMBER AND BEING FREE TO MOVE THEREIN INTO ENGAGEMENT WITH SAID SEAT ELEMENT UPON SAID CHAMBER BEING MOVED TOWARD HORIZONTAL POSITION TO DISCONNECT SAID OUTLET PORT WITH SAID CHAMBER, ONE OF SAID ELEMENTS INCLUDING A PERMANENT MAGNET AND THE OTHER OF SAID ELEMENTS INCLUDING MAGNETIC MATERIAL, VALVE ELEMENT SUPPORT MEANS FIXED IN SAID CHAMBER AND SPACED DOWNWARDLY FROM SAID SEAT ELEMENT FOR POSITIONING SAID VALVE ELEMENT A DISTANCE BELOW SAID SEAT ELEMENT, WHEREBY THE EFFECTIVE INFLUENCE OF SAID PERMANENT MAGNET IS INSUFFICIENT TO MOVE SAID ELEMENT UPWARDLY FROM SAID SUPPORT MEANS TOWARD SAID SEAT ELEMENT, SAID PERMANENT MAGNET BEING OPERABLE WHEN SAID CHAMBER IS MOVED TOWARD HORIZONTAL POSITION TO EFFECT MOVEMENT OF SAID VALVE ELEMENT INTO ENGAGEMENT WITH SAID SEAT ELEMENT AND TO MAINTAIN SAID ENGAGEMENT, RESET MEANS CARRIED BY SAID BODY IN FLUID TIGHT RELATION THERETO AND OPERABLE EXTERNALLY THEREOF FOR MOVING SAID VALVE ELEMENT DOWNWARDLY FROM SAID SEAT OUT OF THE EFFECTIVE INFLUENCE OF SAID PERMANENT MAGNET.