US2008227565A1PendingUtilityA1

Golf Club Head and Golf Club

Assignee: BRIDGESTONE SPORTS CO LTDPriority: Mar 14, 2007Filed: Mar 12, 2008Published: Sep 18, 2008

Est. expiryMar 14, 2027(~0.6 yrs left)· nominal 20-yr term from priority

Inventors:Wataru Ban Hideo Matsunaga Koki Motoyoshi

A63B 53/0466A63B 53/0416A63B 53/042A63B 53/0408

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References

Claims

Abstract

This invention provides a wood golf club head having a loft angle of not more than 15°. In this golf club head, a progression length FP from a leading edge of a face to an axis line of a shaft axis and a horizontal length VZG from the leading edge of the face to a center of gravity of the head in a depth direction satisfy the following expression; −2<VZG−2×FP<2.

Claims

exact text as granted — not AI-modified

1 . A wood golf club head having a loft angle of not more than 15°, wherein
 a progression length FP from a leading edge of a face to an axis line of a shaft axis and a horizontal length VZG from the leading edge of the face to a center of gravity of the head in a depth direction satisfy the following expression:
   −2 &lt;VZG− 2 ×FP &lt;2. 
   
   
   
       2 . The head according to  claim 1 , wherein the FP satisfies 12 mm&lt;FP&lt;20 mm. 
   
   
       3 . The head according to  claim 2 , wherein the FP satisfies 12 mm&lt;FP&lt;17 mm. 
   
   
       4 . A golf club comprising a wood golf club head according to  claim 1 .

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