Patent ID: 7147576

Claim:
A hollow golf club head comprising: a face portion; a sole portion; a side portion; a crown portion; and a hosel portion, wherein a first part of the crown portion and a first part of the sole portion are made of fiber reinforced plastic; wherein at least the face portion, a second part of the crown portion continued to the face portion and a second part of the sole portion are made of metal; wherein the second part of the sole portion extends in a front/rear direction of the golf club head with a reducing width in a heel/toe direction; wherein the first part of the crown portion is joined to a rear end surface of the second part of the crown portion and an internal surface of the second part of the crown portion from an inner surface of the face portion to the rear surface; and wherein the first part of the crown portion is also joined to a front end surface and an internal surface of the second part of the sole portion.