Patent ID: 7284581

Claim:
A funnel comprising: a. a receiving chamber having a first open end and an opposite second end; b. a generally cylindrical neck portion coupled to said second end, said neck portion having an axial bore formed therethrough that is in fluid communication with said receiving chamber through said second end; and c. a connector coupled to said neck portion, said connector comprising, (i) a generally cylindrical housing having an axial bore formed therethrough that is defined by a wall of said housing, said housing axial bore having a first diameter, and (ii) a generally cylindrical cam body having at least one cam surface, and an axial bore formed through said cam body that is defined by a wall of said cam body, said cam body axial bore being in fluid communication with said neck portion axial bore, wherein said cam body is received in said housing axial bore and is in operative engagement with said housing wall so that when said cam body is moved with respect to said housing said housing axial bore diameter changes from said first diameter to a larger second diameter.