Patent ID: 7018257

Claim:
A compressed gas inflator, comprising: a compressed gas cylinder receiver having an internal channel, said internal channel having a first end and a second end and comprising a first section containing a plurality of threads and a second section, said second section having an orifice disposed at the second end of said internal channel; a cylinder piercing assembly disposed within the internal channel, said piercing assembly comprising a piercing member, a piercing member positioner and at least one sealing member, said positioner having a fenestration extending therethrough providing communication between the first section of the internal channel and the second section of the internal channel; a Venturi body member defining an internal passageway in communication with said internal channel of said cylinder receiver through said orifice, said passageway having a first section and a second section, said second section of said passageway having a tapering inward diameter shape; and an air intake vent assembly in communication with the internal passageway of said Venturi, said air intake vent assembly including a movable cover to allow the air intake vent assembly to be in either an open position to allow ambient air intake or in a closed position for high-pressure low-volume use.