Patent ID: 8469834
Filing Date: 2013-06-25
Classification: A63B

Abstract:
1. A golf club head having a hollow construction, comprising: a face part having a ball-impacting surface; and a first main rib and a second main rib disposed on the inner surface of the face part, the first main rib extending from a crown side to a sole side, and the second main rib extending from a hosel side to a toe-side part of the sole side, the first and second main ribs intersecting each other, wherein the material thickness on a toe side of the face part which is not of any rib, with the first main rib being the boundary, is formed so as to be thinner than the material thickness on a heel side of the face part which is not part of any rib, and wherein there is not more than three ribs on the inner surface of the face part.