Patent ID: 6123624
Filing Date: 2000-09-26
Classification: A63D

Abstract:
A duckpin bowling pin for use with a ball, the duckpin bowling pin comprising:a base portion having a bottom surface;a cylindrical section integral with said base portion, said cylindrical section having a lower edge and an upper edge, a first distance from said bottom surface to said lower edge being less than a ball radius and a second distance from said bottom surface to said upper edge being greater than a ball radius;said base portion has a base portion outside surface, said cylindrical section has a cylindrical section outside surface, said bas portion outside surface meets said cylindrical section outside surface;a shoulder section integral with said cylindrical section, said shoulder section having a decreasing diameter, said shoulder section has a shoulder section outside surface, and said shoulder section outside surface meets said cylindrical section outside surface;wherein a diameter of said base portion at said bottom surface is less than half of a diameter of said cylindrical section.