Title:
ゴルフクラブヘッド
Document Type and Number:
Japanese Patent JP5616037
Kind Code:
B2
Abstract:
A golf club head according to this invention is a hollow golf club head including a face portion, a crown portion, and a sole portion. The sole portion includes a first region which starts from the boundary portion between the sole portion and the face portion, and a second region which is spaced apart from the boundary portion toward the back side, and is adjacent to the first region. The second region is thinner than the first region and a third region adjacent to the back-side periphery of the second region. The second region includes the position of an antinode of the primary vibration mode of the sole portion at the time of impact.
Inventors:
和田 梢
坂 航
坂 航
Application Number:
JP2009169567A
Publication Date:
October 29, 2014
Filing Date:
July 17, 2009
Export Citation:
Assignee:
ブリヂストンスポーツ株式会社
International Classes:
A63B53/04; A63B102/32
Attorney, Agent or Firm:
Yasunari Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Hideji Kimura
Shimoyama 治
Yukimitsu Nagagawa
Shiro Takayanagi
Yasuhiro Otsuka
Hideji Kimura
Shimoyama 治
Yukimitsu Nagagawa