Patent ID: 8109836

Claim:
A billiard cue comprising a shaft, said cue comprising: a) a tenon extending from said shaft, said tenon further comprising, b) at least two O rings circumferentially mounted on said tenon, c) a manually changeable ferrule having a cue tip mounted thereon, said ferrule positioned on said tenon, said ferrule further having a cylindrical inner surface whereby said at least two O rings provide frictional contact between said surface and said tenon so that said ferrule is substantially secured to said tenon, d) said ferrule further comprising at least one vent hole through said surface, whereby air entrapped interiorly in said ferrule is vented, e) a longitudinally projecting member connected to the end face of said ferrule, said projecting member extending into the interior cavity of said ferrule, and f) a longitudinally oriented void extending into said tenon, said void originating at the free end face of said tenon, said void being geometrically congruent with said longitudinally projecting member of said ferrule, whereby when said ferrule is positioned on said tenon, said projecting member is in intimate engagement with said void.