Patent ID: 9468818
Filing Date: 2016-10-18
CPC Classification: A63B

Claim Text:
1. A wood-type golf club head having a hollow therein, the club head comprising: a crown portion forming a top surface of the head and being made of metallic material; the crown portion comprising a heel-side portion, a toe-side portion having a thickness smaller than that of the heel-side portion and a thickness transition portion provided between the toe-side portion and the heel-side portion and having a thickness gradually decreasing from the heel-side portion to the toe-side portion; and the thickness transition portion extending in a curved manner that smoothly protrudes toward a toe of the club head in a plan view of the club head under a standard condition in which the club head is placed on a horizontal plane with its lie angle and its loft angle, wherein the thickness transition portion is located in a toe side of a center of gravity of the head in the plan view.