发明授权
- 专利标题： Golf club head
- 专利标题（中）： 高尔夫球杆头
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申请号： US09460402申请日： 1999-12-13
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公开(公告)号： US06322459B1公开(公告)日： 2001-11-27
- 发明人: Toshinori Nishimura , Masahiko Miyamoto
- 申请人： Toshinori Nishimura , Masahiko Miyamoto
- 优先权： JP10-355037 19981214
- 主分类号： A63B5304
- IPC分类号： A63B5304
摘要：
A golf club head is disclosed, which comprises a hollow structure composed of a face portion constituting a ball hitting face, a crown portion and a sole portion each provided successively from the face portion, and a plurality of grooves provided in the face portion. Depths of the grooves are gradually changed in accordance with a position of the face portion.