Patent ID: 6418937
Filing Date: 2002-07-16
Classification: A24F

Abstract:
A pipe assembly for use selectively with a first filter having a first width and a first length or a second filter having a second width and a second length, said pipe assembly comprising a bowl having a tobacco receiving cavity therein, a stem extending from the bowl, a cylindrical mounting aperture extending into an end of the stem remote from the bowl, a passage extending from the mounting aperture to the tobacco receiving cavity in the bowl, a mouthpiece having opposed proximal and distal ends, the distal end of the mouthpiece being dimensioned to be slidably received within the mounting aperture of the stem, a mouthpiece passage extending from the proximal end of the mouthpiece toward the distal end, a filter receptacle extending into the distal end of the mouthpiece and communicating with the mouthpiece passage, the filter receptacle defining an inside diameter substantially equal to the first width and a length less than the first length, a substantially cylindrical tubular filter adapter having an outside diameter substantially equal to the inside diameter of the filter receptacle and having an inside diameter substantially equal to the second width, whereby the first filter can be securely retained in the filter receptacle, and whereby the second filter can be securely retained within the filter adapter while the filter adapter is securely retained in the filter receptacle.