Title:
Golf club head
Document Type and Number:
Japanese Patent JP6121684
Kind Code:
B2
Abstract:
To provide a golf club head excellent in hitting sound and flight distance performance. A head includes a face, a crown and a sole. The crown has an inner surface on which grid-form rib is provided. When a region on which the grid-form rib is provided is defined as a rib region, an additional rib is further provided on the rib region. The additional rib is positioned on a heel side relative to a face center. Preferably, the grid-form rib is formed by intersection of first ribs extending in a substantially toe-heel direction and second ribs extending in a substantially face-back direction. Preferably, the additional rib is sloped to be closer to a back side as approaching to the heel side.
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Inventors:
Takeshi Ashino
Application Number:
JP2012229472A
Publication Date:
April 26, 2017
Filing Date:
October 17, 2012
Export Citation:
Assignee:
Dunlop Sports Co., Ltd.
International Classes:
A63B53/04; A63B102/32
Domestic Patent References:
| JP3073997U | ||||
| JP2012000161A | ||||
| JP2013240404A |
Attorney, Agent or Firm:
Sumitomo Norio
Kengo Oka
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
Kengo Oka
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
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