Patent ID: 8192303
Filing Date: 2012-06-05
Classification: A63B

Abstract:
1. A hollow golf club head comprising: a hollow head body; a weight member attached to a sole portion said head body; and fixing means for fixing said weight member at any one of a plurality of attachment positions of said sole portion so that a golfer can change a position of said weight member, wherein the plurality of attachment positions are located on a straight line included in a plane, the plane includes a center-of-gravity position of said head body without said weight member attached thereto and is perpendicular to a toe-and-heel direction of said head body, said head further comprises a rail portion which is formed along the straight line in said sole portion of said head body and defines the plurality of attachment positions, said fixing means fixes said weight member at a given position on said rail portion, said head body comprises an opening in a back-side part thereof, and a closing member closing the opening, and said closing member comprises a wall portion to close a back-side end portion to the rail portion.