Patent ID: 7435191
Filing Date: 2008-10-14
Classification: A63B

Abstract:
1. A hollow golf club head comprising: a face part; a crown part; a sole part; a side part; and a hosel part, wherein the head has a volume of 300 to 460 cm3 and a weight of 175 to 220 g, the crown part includes: a large-thickness crown part formed along an overall edge thereof; and a small-thickness crown part which is formed inside the large-thickness crown part and has a thickness less than a thickness of the large-thickness crown part, and the side part includes: a heel-side small-thickness side part formed at a heel side; a toe-side small-thickness side part formed at a toe side; a large-thickness side part which is formed at a portion of the side part other than the heel-side small-thickness side part and the toe-side small-thickness side part and has a thickness greater than thickness of the heel-side small-thickness side part and the toe-side small-thickness side part; and a weighted large-thickness side part which is formed at a back side of the large-thickness side part and has a thickness greater than a thickness of an other portion of the large-thickness side part.