Fire extinguisher

Claim 1

A FIRE-EXTINGUISHING APPARATUS COMPRISING A CONTAINER FOR STORING FIRE-EXTINGUISHING AGENT UNDER PRESSURE, A REMOVABLE HEAD FOR SEALING THE MOUTH OF SAID CONTAINER, A UNION RING FOR REMOVABLY SECURING SAID HEAD TO SAID CONTAINER, SAID UNION RING HAVING AT LEAST ONE NOTCH IN ITS PERIPHERY, SAID HEAD HAVING A BORE AND A DISCHARGE PASSAGE CONNECTED THERETO, A HOSE CONNECTED TO SAID DISCHARGE PASSAGE, NOZZLE MEANS ATTACHED TO SAID HOSE FOR CONTROLLING THE FLOW OF FIRE-EXTINGUISHING AGENT FROM SAID HOSE, MOVABLE SEALING MEANS IN SAID BORE TO SEAL THE INTERIOR OF SAID CONTAINER FROM SAID DISCHARGE PASSAGE, AN ACTUATING LEVER PIVOTED ON SAID HEAD FOR ACTUATING SAID SEALING MEANS, LATCHING MEANS POSITIONED BENEATH SAID ACTUATING LEVER FOR AUTOMATICALLY RETAINING SAID ACTUATING LEVER AND SAID SEALING MEANS IN OPEN POSITION UPON DEPRESSION OF SAID ACTUATING LEVER TO PERMIT CONTINUOUS DISCHARGE OF FIREEXTINGUISHING AGENT FROM SAID CONTAINER, A RELEASE LEVER CONNECTED TO SAID LATCHING MEANS, SAID RELEASE LEVER BEING ADAPTED TO ABUT SAID UNION RING TO RETAIN SAID LATCHING MEANS IN LOCKED POSITION AND BEING MOVABLE WITHIN SAID NOTCH IN THE UNION RING TO PERMIT RELEASE OF SAID LATCHING MEANS.