Patent ID: 7117818

Claim:
A flow control device, comprising: (a) a cap member configured and dimensioned for cooperation with a fluid container, said cap member including a plurality of circumferentially spaced ratchet teeth defined on an inner surface thereof; (b) an overcap movably mounted with respect to said cap member, said overcap defining a central opening and including at least one tooth defined on an inner surface thereof, said at least one tooth being positioned so as to engage said ratchet teeth as said overcap is mounted relative to said cap member; and (c) a ball positioned within said overcap, said ball being sized to obstruct fluid passage through said central opening; wherein a variable flow clearance may be established by movement of said overcap relative to said cap member; and wherein said ratchet teeth extend for substantially the entire circumference of said inner surface of said cap member, and wherein a clearance gap is defined between an adjacent pair of ratchet teeth.