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Title:
GOLF CLUB HEAD
Document Type and Number:
Japanese Patent JP2008188280
Kind Code:
A
Abstract:

To provide a golf club head having a higher repulsive force and a stabilized surface of a face when striking a ball.

The golf club head has a face portion having a front surface as a ball-striking surface, and a head body provided on the back side of the face portion. When the golf club head is soled, the outline of the upper surface of the head body has a connected curve of a first upward convex curve and a second downward convex curve in a cross-section in a direction crossing the ball-striking surface. In the curve, the top of the first curve is positioned forward from the center in the direction crossing the ball-striking surface, and the inflexion point of the first curve and the second curve is positioned backward from the center in the direction crossing the ball-striking surface.


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Inventors:
NAKABAYASHI KATSUYUKI
AKIYAMA TATSUYA
KONO MASAYUKI
Application Number:
JP2007026840A
Publication Date:
August 21, 2008
Filing Date:
February 06, 2007
Export Citation:
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Assignee:
YONEX CO LTD
International Classes:
A63B53/04; A63B102/32
Domestic Patent References:
JPH05337219A1993-12-21
JPH0482574A1992-03-16
JPS6439765A1989-02-10
JPS5895862A1983-06-07
JPH03267076A1991-11-27
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation



 
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