Patent ID: 7318782
Filing Date: 2008-01-15
Classification: A63B

Abstract:
1. A golf club head of a hollow shell structure, comprising: a first member that includes a metal material and includes a face portion and an edge portion continuous with the face portion; a metal plate that is different member from the first member, extends in a direction, which is different from a toe-heel direction of the golf club head, and includes at least a part of sole portion; and a second member formed of a fiber reinforced resin, wherein: the first member and the metal plate are apart from each other; and the second member joins the first member with the metal plate; wherein the metal plate is made of a metal material, which is larger in specific gravity than the metal material of the first member; and wherein a portion of the second member between the first member and the metal plate recesses from the metal plate and a bottom surface of the first member; wherein a gap is defined by the recessed portion of the second member between the first member and the metal plate, wherein an average width of the gap is between 4 mm to 12 mm, and wherein a depth of the gap is between 0.7 mm to 1.5 mm.