Patent ID: 6325116
Filing Date: 2001-12-04
Classification: A62B

Abstract:
An adapter for use in a fluid delivery system, said system of the type including a protective mask having a fluid delivery tube on the interior thereof, a gas mask adapter depending from an outside region of the protective mask and coupled to the fluid delivery tube, and a canteen for the storage of a drinking fluid, said adapter comprising:a one-piece sleeve having an opening for allowing fluid to pass therethrough, an upper sealing portion for sealing the adapter within the neck of the canteen, and a lower deformable portion; anda stopper disposed within at least a portion of the opening, movable to at least two different positions within the opening, a first position corresponding to a sealed mode of operation for preventing the drinking fluid from leaving the canteen, and a second position corresponding to an open mode of operation for allowing the drinking fluid to pass through the one-piece sleeve, wherein the lower deformable portion is normally biased to secure the stopper in the first position corresponding to a sealed mode of operation, and deformable for accommodating the stopper in the second position corresponding to an open mode of operation.