Patent ID: RE44310

Claim:
A coupling assembly for removing the contents of a container from an opening in the container, the coupling assembly comprising: a container insert coupled to the container opening and including: a first open cavity extending through the container insert; a first keyed surface formed in a surface of the cavity; a first engagement surface formed in a surface of the cavity; and a dispense unit including: a first dispense member having a second open cavity extending there through and a second engagement surface formed on an outer surface thereof, the second engagement surface being configured to engage the first engagement surface to releasably couple the dispense unit to the container insert; a second dispense member having a third open cavity extending there through, the second dispense member being at least partially disposed within the second open cavity and being adjustably coupled to the first dispense member; a valve assembly positioned in the third open cavity; and a second keyed surface configured to mate with the first keyed surface prior to engagement of the first and second engagement surfaces when the dispense unit is brought into contact with the container insert.