Patent ID: 7618330
Filing Date: 2009-11-17
Classification: A63B

Abstract:
1. A golf club, consisting of: a shaft; a golf club head disposed at one end of the shaft, said golf club head having: wherein each grooved channel of the three grooved channels comprises a first sidewall and a second sidewall initiating at and extending away from the bottom flange, wherein said first sidewall and second sidewall of each grooved channel of the three grooved channels are perpendicular to the bottom flange where said sidewalls initiate at the bottom flange, wherein the extension of said grooved channels terminates at a point on said bottom flange such that said grooved channels are not disposed on said face of said club and wherein said grooved channels terminate substantially adjacent to the face of said club, wherein said termination of said grooved channels is such that said channels are disposed on the remaining length of the bottom flange, wherein said length is a dimension measured from the face of said club head to the cavity of said club head, and wherein the depth of the grooved channels' penetration into the bottom flange increases from a lesser depth at the termination of the channels that is proximate to the face of the golf club head to a greater depth at the termination of the channels that is distal to the face of the golf club head.