Patent ID: 6224497
Filing Date: 2001-05-01
Classification: A63B

Abstract:
A golf club head including a club head body having a heel, toe, lower surface, upper surface, rear surface and ball striking face having a surrounding peripheral land area wherein the improvement comprises:a plurality of parallel vertical grooves on said ball striking face oriented generally in a direction perpendicular to said upper surface and said lower surface of said club head;an array of vertical land areas separating said vertical grooves, said vertical land areas also formed in a perpendicular direction between said upper and lower surfaces;said land areas being parallel to and non-intersecting with adjacent vertical grooves;said land areas having specific width dimensions and said grooves having specific width and depth dimensions;said plurality of vertical grooves and said vertical land areas terminating short of said surrounding peripheral land area at said lower surface and said upper surface of the club head;at least one land area formed between said heel and said toe on said ball striking face, intersecting and separating said vertical grooves and said vertical land areas into upper and lower vertical groove and vertical land sections.