Title:
GOLF CLUB
Document Type and Number:
Japanese Patent JP3735208
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a golf club which is capable of maintaining an always stable swing and is easy to swing.
SOLUTION: The inertia moment M (g.m2) around a grip end is set in a range D1 of 200≤M≤258. The inertia moment M (g.m2) around the grip end and the period T (sec) of bending vibration are set in a range D2 of M≤300 and T≥0.2650. Further, the inertia moment M(g.m2) around the grip end and the period T (sec) of bending vibration are set in a range D3 of M≤2370T-340. The inertia moment M (g.m2) around the grip end and the period T (sec) of bending vibration are set in a range of M/T≤1030.
Inventors:
Harunobu Kusumoto
Imai Shito
Imai Shito
Application Number:
JP37134098A
Publication Date:
January 18, 2006
Filing Date:
December 25, 1998
Export Citation:
Assignee:
Daiwa Seiko Co., Ltd.
International Classes:
A63B53/14; A63B60/24; A63B102/32; (IPC1-7): A63B53/14
Domestic Patent References:
| JP63220890A | ||||
| JP5331429A | ||||
| JP9253255A |
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Tetsuya Kazama
Satoshi Kono
Makoto Nakamura
Tetsuya Kazama
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