Patent ID: 7674190

Claim:
A wood-type golf club head comprising: a body having a crown, a sole and a hollow interior; a striking plate insert attached over an opening in a front of the body, the striking plate insert being composed of a material having a density greater than that of the body; and a weighting member disposed on an aft end of the body; wherein a center of gravity of the golf club head is located less than approximately 1.7 inches from an exterior surface of the striking plate insert; wherein the golf club head has a robustness efficiency parameter of less than approximately 0.410; wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters; wherein the golf club head has a width that ranges from 4.0 inches to 5.5 inches and a height that ranges from 2.0 inches to 3.5 inches; wherein the golf club head has a coefficient of restitution ranging from 0.80 to 0.94; wherein the golf club head has a moment of inertial I zz about the Z-axis through the center of gravity of greater than 3000 g-cm 2 and a moment of inertia I yy about the Y-axis through the center of gravity in the range from 2000 g-cm 2 to 4000 g-cm 2 .