Patent ID: 6106410
Filing Date: 2000-08-22
Classification: A63B

Abstract:
A golf club iron having a numerical club head designation number between 2 and 12 inclusive, comprising:a metallic club head having an iron club head designation number and includinga solid metallic club head body having a bottom surface with a heel and a toe,a top surface, anda hosel extending from the club head body at a location adjacent to the heel of the bottom surface and having a hosel axis, there being defined a ground plane perpendicular to the hosel axis;a front face on the club head body, the front face being inclined at a loft angle to the hosel axis and having a continuously convexly curved lower leading edge along the intersection of the bottom surface and the front face, the lower leading edge extending from the heel to the toe of the bottom surface and includinga leading edge inner region adjacent to the heel,a leading edge central sole region, anda leading edge outer region adjacent to the toe; anda lower trailing edge on the club head body, the lower tailing edge havinga trailing edge central sole region lying substantially parallel to the leading edge central sole region, there being defined a bottom-tangent plane lying tangent to the leading edge central sole region and to the trailing edge central sole region,a trailing edge inner region tapered upwardly toward the top surface from the trailing edge central sole region toward the heel of the bottom surface, so as to be not parallel with the leading edge inner region, anda trailing edge outer region tapered upwardly toward the top surface from the trailing edge central sole region toward the toe of the bottom surface, so as to be not parallel with the leading edge outer region,the angle measured in degrees between the bottom-tangent plane and the ground plane being about equal in degrees to the club head designation number.