Crash-actuated closure valve

Claim 1

IN AN AIRCRAFT, THE COMBINATION COMPRISING A FLUID CONTAINING CELL MOUNTED IN THE CRAFT AND ADAPTED TO RESIST RUPTURE IF TORN FORM A PREDETERMINED PORTION OF THE CRAFT BY A CRASH, SAID CELL HAVING AN OPENING IN ONE OF ITS WALLS THROUGH WHICH FUEL MAY FLOW, A VALVE OPERABLE TO CLOSE SAID OPENING, MEANS YIELDINGLY URGING SAID VALVE TOWARD CLOSED POSITION; RELEASABLE HOLDING MEANS NORMALLY RETAINING SAID VALVE IN OPEN POSITION AND ACTUABLE BETWEEN ACTIVE AND RELEASED POSITIONS, AND AUTOMATIC ACTUATING MEANS FOR RELEASING SAID HOLDING MEANS AND OPERATIVELY CONNECTED TO SAID PREDETERMINED PORTION OF THE AIRCRAFT IN A RELATION TO RELEASE THE HOLDING MEANS AND ALLOW CLOSURE OF THE VALVE IN RESPONSE TO CRASH INDUCED DISPLACEMENT OF THE CELL RELATIVE TO SAID PREDETERMINED PORTION OF THE CRAFT, SAID HOLDING MEANS WHEN IN SAID ACTIVE CONDITION BEING POSITIONED AND CONSTRUCTED TO RESIST THE VALVE CLOSING FORCE TO SAID YEILDING MEANS, WITHOUT TRANSMITTING SAID FORCE TO SAID ACTUATING MEANS, SAID HOLDING MEANS INCLUDING A HOLLOW STEM PROJECTING FROM SAID VALVE, AT LEAST ONE LATCH PART MOVABLY MOUNTED WITHIN AN APERTURE IN A SIDE WALL OF SAID STEM, A SHOULDER ENGAGEABLE BY SAID LATCH PART TO HOLD THE VALVE IN OPEN POSITION, AND A SPRING PRESSED PLUNGER IN SAID STEM CONTROLLING SAID LATCH PART AND ACTUABLE BY SAID ACTUATING MEANS.