Dispensing nozzle hold-open catch

Claim 1

AN AUTOMATIC SHUT-OFF NOZZLE FOR DELIVERING LIQUID TO A TANK, COMPRISING A BODY HAVING A LIQUID CONDUIT THERETHROUGH, A DISCDHARGE SPOUT, A CONTROL VALVE IN THE CONDUIT, A SPRING URGING SAID VALVE INTO CLOSED POSITION, A MANUALLY OPERABLE LEVER FOR OPPOSING THE THRUST OF SAID SPRING AND THEREBY OPENING SAID VALVE, A FULCRUM FOR SAID LEVEL CARRIED BY SAID BODY AND PERMITTED TO BE RELEASED FOR MOVEMENT AWAY FROM SAID BODY WHEN THE TANK IS FILLED, GUARD MEANS RIGID WITH SAID BODY AND DISPOSED ON THE OPPOSITE SIDE OF SAID LEVER FROM SAID VALVE, A RATCHET ARM PIVOTED TO A PORTION OF SAID LEVER REMOTE FROM SAID FULCRUM AND SUPPORTED AT ITS FREE END ON A PORTION OF SAID STRUCTURE, A PAWL PIVOTED TO A PORTION OF SAID LEVEL MORE REMOTE FROM SAID FULCRUM THAN SAID RATCHED ARM PIVOT AND HAVING ITS FREE END SELECTIVELY ENGAGEABLE WITH SAID RATCHET ARM, SPRING MEANS INTERPOSED BETWEEN SAID BODY AND SAID LEVER INTERMEDIATE SAID FULCRUM AND SAID RATCHET ARM PIVOT SAID BIASING SAID LEVER AWAY FROM SAID VALVE SPRING OPPOSING POSITION WHEREBY, WHEN SAID FULCRUM IS RELEASED, TO CAUSE SAID LEVER TO PIVOT ABOUT SAID RATCHET ARM PIVOT AND LIFT SAID PAWL OUT OF HOOKED ENGAGEMENT WITH SAID RATCHET.