Patent ID: 6558272
Filing Date: 2003-05-06
Classification: A63B

Abstract:
A golf club head comprising:a body having a crown, a sole, a striking plate, a ribbon and a hollow interior, the striking plate having a first roll radius along a vertical mid-area and a second roll radius along an upper toe quadrant or a lower heel quadrant, a core face area of the striking plate having an area between 4.80 square inches and 5.20 square inches, the core face area composed of a central region, a transition region and a first peripheral region, the central region having a first thickness and occupying 5% to 15% of the exterior surface of a core face area, the transition region encompassing the central region and occupying 35 to 50% of the exterior surface of a core face area, the first peripheral region encompassing the transition region and occupying 40% to 55% of the exterior surface of the core face area, the first peripheral region having a thickness less than the first thickness, the transition region having a thickness that transitions from the first thickness to the second thickness; wherein the golf club head has a volume greater than 300 cubic centimeters.