Patent ID: 7354355
Filing Date: 2008-04-08
Classification: A63B,Y10T

Abstract:
1. A putter head, comprising: a ball striking head including a ball striking surface that faces a ball in use, wherein the ball striking head includes a first opening and a second opening defined therein, wherein the first opening is separate from the second opening, the first opening and the second opening each extending from the ball striking surface toward a rear surface of the ball striking head; a first wall member located in the first opening, wherein the first wall member includes a first end that engages a backside of the ball striking surface and a second end opposite the first end; a second wall member located in the second opening, wherein the second wall member includes a first end that engages the backside of the ball striking surface and a second end opposite the first end; a first means for applying a force to the first wall member, wherein the first means for applying the force engages the second end of the first wall member; and a second means for applying a force to the second wall member, wherein the second means for applying the force engages the second end of the second wall member, and wherein the forces applied to the first wall member and the second wall member may be selectively varied to alter a sound emanating from the ball striking head when a golf ball contacts the ball striking surface.