Patent ID: 8480384

Claim:
A pump apparatus comprising a pump having a pump chamber with at least one chimney and at last one separable port locatable in the at least one chimney, the at least one separable port having a chimney engaging end, and a quick attach and safe release arrangement for quickly attaching and releasing the chimney engaging end of the at least one separable port to the at least one chimney, the quick attach and safe release arrangement comprising: (a) a press-fitting arrangement to press fit the chimney engaging end of the at least one separable port into the at least one chimney, and (b) a cooperating retaining means integrally formed with the at least one chimney and integrally formed with the chimney engaging end of the at least one separable port for retaining the at least one separable port for retaining the at least one separable port within the at least one chimney; wherein the cooperating retaining means and the press-fitting arrangement: (i) cooperate together during the fitting of the chimney engaging end of the at least one separable port into the at least one chimney, such that the at least one separable port and the at least one chimney are rotatable relative to one another, and (ii) have a single port release position at a predetermined angular position of the at least one separable port relative to the at least one chimney.