Pressure fluid container for inflating devices

Claim 1

IN A PRESSURE FLUID CONTAINER, A FIRST DISCHARGE VALVE AND A SECOND DUMP VALVE EACH CONNECTED BY SEPARATE PORTS TO THE CONTAINER INTERIOR, SAID SECOND DUMP VALVE BEING AUTOMATICALLY OPERABLE IN RESPONSE TO A REDUCTION IN THE PRESSURE OF THE CONTAINER FLUID TO DUMP THE PRESSURIZED FLUID IN THE CONTAINER AFTER REDUCTION IN THE PRESSURE OF THE CONTAINED FLUID BY A PREDETERMINED DISCHARGE OF THE CONTAINER FLUID THROUGH SAID FIRST VALVE, SAID DUMP VALVE HAVING A RELATIVELY GREATER RATE OF DISCHARGE THAN SAID DISCHARGE VALVE AND COMPRISING A DIFFERENTIAL PRESSURE OPERATED VALVE INCLUDING A STEPPED RECIPROCABLE PISTON HAVING RELATIVELY LARGE AND SMALL ENDS MOUNTED IN A MATING STEPPED PISTON BORE WITH THE CONDUIT MEANS CARRYING AND DISCHARGING THE PRESSURIZED FLUID WITHIN THE CONTAINER TO THE OPPOSITE ENDS OF SAID STEPPED PISTON, A SPRING MEANS APPLIED TO THE SMALL END OF THE PISTON ACTING TO URGE THE PISTON TOWARDS ITS LARGE END, AND A DUMP PORT CONNECTED TO THE PISTON BORE ADAPTED TO BE UNCOVERED BY SAID PISTON AFTER SAID PREDETERMINED DISCHARGE.