07927231 is referenced by 66 patents and cites 63 patents.

A golf club head according to this invention includes a hollow head body, cylindrical body, weight member, and fixing member. The hollow head body has a projection formed along the periphery of the sole, a recess formed inside the projection, and an opening formed in the projection so as to extend from the toe side to the back side. The cylindrical body is provided in the recess of the head body, and includes its one end which engages with the inner wall of the projection on the heel side, and its other end which extends to the vicinity of the opening and can move along the opening. The weight member is retractably, detachably inserted in the cylindrical body. The fixing member is a detachable member which fixes the other end of the cylindrical body onto the projection.

Title
Golf club head
Application Number
12/645872
Publication Number
7927231 (B2)
Application Date
December 23, 2009
Publication Date
April 19, 2011
Inventor
Hideo Matsunaga
Chichibu
JP
Hiroshi Takahashi
Chichibu
JP
Fumiaki Sato
Chichibu
JP
Agent
Sughrue Mion PLLC
Assignee
Bridgestone Sports
JP
IPC
A63B 53/06
A63B 53/04
View Original Source