Title:
GOLF CLUB HEAD
Document Type and Number:
Japanese Patent JP2013000237
Kind Code:
A
Abstract:
To provide a golf club head with small air resistance in swing.
The golf club head 1 is a wood golf club head with a hollow shell structure including a face 2, a sole 3, a back 4, a crown 5, a toe-side side 6, a heel-side side 7 and a hosel 8. An upper corner edge where the face 2 and the crown 5 cross each other is formed in a shape rounder than a conventional one. Concretely, the ratio R/H×100% of the radius of curvature R of an arc passing through points B, A and C to the maximum height H of the head is 5-20%.
Inventors:
SAKA KO
WADA KOZUE
WADA KOZUE
Application Number:
JP2011132523A
Publication Date:
January 07, 2013
Filing Date:
June 14, 2011
Export Citation:
Assignee:
BRIDGESTONE SPORTS CO LTD
International Classes:
A63B53/04; A63B102/32
Domestic Patent References:
JPH03267076A | 1991-11-27 | |||
JPH02274271A | 1990-11-08 | |||
JP2007037921A | 2007-02-15 | |||
JP2000342721A | 2000-12-12 | |||
JP2003339919A | 2003-12-02 |
Foreign References:
WO2010008937A1 | 2010-01-21 |
Attorney, Agent or Firm:
Tsuyoshi Shigeno
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