Safety shut-off valve

Claim 1

IN A SAFETY SHUT-OFF VALVE, THE COMBINATION OF (A) A VALVE BODY PROVIDING A VERTICAL, CYLINDRICAL, FLUID CONDUIT HAVING A BOTTOM INLET AND A TOP OUTLET; (B) A SHEAR SECTION FRANGIBLY MOUNTED ABOVE THE SAID CONDUIT AND FORMING AN EXTENSION THEREOF EXTERIORLY OF THE SAID VALVE BODY; (C) A HORIZONTAL VALVE SEAT FORMED INSIDE THE SAID VALVE BODY ADJACENT TO THE SAID TOP OUTLET, (1) SAID SEAT BEING OF CIRCULAR CONFIGURATION; (D) A POPPET ASSEMBLY SEATING MEANS PIVOTALLY ARRANGED IN THE SAID VALVE BODY, (1) SAID MEANS BEING PIVOTED TO AN OPEN POSITION AND A CLOSED POSITION, (2) SAID MEANS INCLUDING A GASOLINE RESISTANT SEAL DISC, (A) SAID DISC SEALING THE SAID SEAT WHEN PIVOTED TO THE SAID CLOSED POSITION; (E) THE SAID VALVE BODY BEING PROVIDED WITH A REARWARDLY POSITIONED, THREADED OPENING, (1) THE SAID OPENING BEING OF SUFFICIENT SIZE TO PERMIT THE REMOVAL OR INSERTION OF THE SAID POPPET ASSEMBLY THERETHROUGH; (F) A COVER THREADEDLY ENGAGED IN AND CLOSING THE SAID REARWARD, THREADED OPENING; (G) TORSION SPRING MEANS URGING SAID POPPET ASSEMBLY SEATING MEANS TO THE SAID CLOSED POSITION, (1) SAID SPRING TERMINATING IN TWO ENDS, (A) ONE OF SAID ENDS ENGAGING SAID POPPET ASSEMBLY SEATING MEANS AND (B) THE SECOND OF SAID ENDS BEING RESTRAINED AGAINST A PORTION OF THE SAID COVER, (1) SAID COVER PROVIDING SPRING BIAS ADJUSTING MEANS, (A) SAID COVER STRENGTHENING THE SPRING BIAS WHEN TURNED INTO THE SAID THREADED OPENING AND SAID WEAKENING SAID SPRING BIAS WHEN TURNED OUT OF THE SAID THREADED OPENING; AND (H) TRIP ARM MEANS AFFIXED TO THE SAID SHEAR SECTION, (1) SAID MEANS RETAINING THE SAID POPPET ASSEMBLY SEATING MEANS IN THE SAID OPEN POSITION AGAINST THE BIAS OF THE SAID TORSION SPRING.