Title:
GOLF CLUB HEAD
Document Type and Number:
Japanese Patent JP2001346914
Kind Code:
A
Abstract:
To provide a low-cost golf club head which prevents the failure of a shaft by relieving the stress concentration occurring on the periphery of a hosel of the shaft in hitting and is excellent in manufacturing efficiency.
A tapered part formed in an aperture 23 of a shaft insertion hole 21 of the hosel 4 is composed in two steps; the first tapered part 11 and the second tapered part 12 larger in the taper angle than the first tapered part 11 toward a hosel end face 24.
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Inventors:
ASHIDA HIRONORI
HIRONAKA SUSUMU
HIRONAKA SUSUMU
Application Number:
JP2000171919A
Publication Date:
December 18, 2001
Filing Date:
June 08, 2000
Export Citation:
Assignee:
MIZUNO KK
International Classes:
A63B53/02; A63B102/32; (IPC1-7): A63B53/02