GOLF CLUB HEAD, GOLF CLUB AND GOLF CLUB SET

摘要

PROBLEM TO BE SOLVED: To provide a golf club head, golf club and golf club set which may be improved in the directivity of a hit ball and decreased in the variations of a carry. SOLUTION: The inclination of a major axis 9b of a cut elliptic face 7 obtained when the ellipsoid of inertia 6 of the golf club head 1 is cut from the plane which passes the centroid G of the golf club head and is parallel to the face reference face passing the centroid G with respect to a reference axisαparallel with the intersecting line of the face reference face of the golf club head 1 and a ground surface is >=0 to <=45 deg. in a direction uphill on toe.