Patent ID: 8376879
Filing Date: 2013-02-19
Classification: A63B

Abstract:
1. A hollow golf club head including a face portion, a crown portion, a sole portion, and a side portion, comprising: a head body which forms the crown portion, the sole portion, and the side portion and includes an opening portion in a portion corresponding to the face portion; and a face member which is joined to the opening portion and forms the face portion, said head body including a first notch portion formed in a heel-side portion of a peripheral edge of the opening portion, which is on a side of the crown portion, and a second notch portion formed in a toe-side portion of the peripheral edge, which is on a side of the sole portion, and said face member including a first extending portion which seals said first notch portion, and a second extending portion which seals said second notch portion, wherein said first extending portion is more rigid than a portion of the peripheral edge, which is on the side of the crown portion and on a toe side with respect to said first extending portion, and said second extending portion is more rigid than a portion of the peripheral edge, which is on the side of the sole portion and on a heel side with respect to said second extending portion.