Patent ID: 7128660
Filing Date: 2006-10-31
Classification: A63B

Abstract:
1. A method of enhancing performance of a golf club, the method comprising the steps of: (a) providing a void space behind a face plate of said club and above a sole portion thereof; (b) applying a virtual X, Y, Z orthonormal coordinate system to said club in which said sole portion is partially congruent with a bottom-most xy plane thereof, in which said face plate intersects a forward-most XZ plane thereof, and in which a heel and hosel side of said club intersects a YZ plane thereof substantially at an origin of said coordinate system, and further in which an increase in X-axis value corresponds to a direction of a toe of said club, an increase in Y-axis value corresponds in direction to a rear of said club, and an increase in Z-axis value corresponds to increase in height above said sole portion; (c) selectably employing two of the following club weighting strategies to said club, in which at least one weighting means thereof is not contiguous to any part of said face plate and a selected value of Y in any one of said strategies does not equal a selected value of Y in a second selected strategy, the strategies comprising: thereby enhancing performance of said club.