Patent ID: 7416496
Filing Date: 2008-08-26
Classification: A63B

Abstract:
1. A golf club head comprising: a body having a crown, a sole, a ribbon disposed between the crown and sole, and a hollow interior; a striking plate insert attached to the body, the striking plate insert being composed of a material having a density greater than that of the body; and an external weighting frame having a plurality of arms and a central body, the central body of the external weighting frame being located at a rear portion 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 moment of inertial Izz about the Z-axis through the center of gravity of greater than 3000 g-cm