Patent ID: 6736734
Filing Date: 2004-05-18
Classification: A63B

Abstract:
A bowling ball insert comprising:a tubular body having an outer wall surface adapted to be inserted into a finger hole of a bowling ball; said body having an inner wall surface extending substantially coaxial to a central axis of said outer wall surface and said body defining first and second finger openings at opposite terminal ends of said body which are adapted to receive a finger tip; a first finger gripping member along the periphery of said inner wall surface adjacent said first finger opening; a second finger gripping member along the periphery of said inner wall surface, adjacent said first finger opening, said second finger gripping member directly opposing said first finger gripping member and having a surface texture different than said first finger gripping member; a third finger gripping member along the periphery of said inner wall surface adjacent said second finger opening; and a fourth finger gripping member along the periphery of said inner wall surface adjacent said second finger opening, said fourth finger gripping member directly opposing said third gripping member and having a surface texture different than said third finger gripping member; wherein said insert has four effective functions depending on the orientation of said insert.