主权项 |
1. An iron-type golf club head comprising:
a head main body having a top, a sole and a toe surface extending therebetween, and a face plate attached to the head main body and having a front surface for hitting a ball, the face plate defined by its circumferential surface composed of an upper edge extending on the top side, a lower edge extending along the sole, a toe-side edge extending along the toe surface, and a heel-side edge on the opposite side of the toe-side edge, the face plate comprisingan annular outer edge portion fixed to the head main body, anda noncontact portion surrounded by the annular outer edge portion and not contacting with the head main body,
the noncontact portion comprisinga first thin part having a thickness less than that of the annular outer edge portion, anda second thin part having a thickness less than that of the first thin part,
the first thin part formed in a peripheral side of the noncontact portion so as to extend along at least the upper edge, the toe-side edge and the lower edge of the circumferential surface of the face plate, wherein the area of the first thin part is 10% to 35% of the area of the noncontact portion, and the second thin part formed on the inner side of the first thin part, wherein the area of the second thin part is 65% to 90% of the area of the noncontact portion. |