Patent ID: 7399237

Claim:
A golf club head comprising: a major body composed of a metal material, the major body having front wall section, a return section, a sole section, a ribbon section and a ledge section, the front wall section has an opening, the major body having a mass ranging from 140 grams to 200 grams, wherein the sole section has a plurality of stiffening members having a thickness ranging from 0.050 inch to 0.500 inch; a striking plate insert positioned in the opening of the front wall section of the major body, the striking plate insert having a thickness in the range of 0.010 inch to 0.250 inch; a minor body having a crown section and a ribbon section, the minor body attached to the ledge section of the major body, the minor body having a mass ranging from 4 grams to 50 grams; and wherein the sole section has a first keel and a second keel; wherein the golf club head has a volume ranging from 350 cubic centimeters to 495 cubic centimeters.