Title:
GOLF CLUB IRON SET
Document Type and Number:
Japanese Patent JP3113222
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To drive a ball comparatively straight toward a target place even if any club is used by setting the crossing angle of a specified plane and a plane containing an elastic main axis and a geometric main axis to a specified value in a low count number iron club.
SOLUTION: In a golf club iron set including plural iron clubs different in the count number, a part of a pipe-like structure 10 as a club shaft in at least one iron club is formed by a material having anisotropy, which is made by combination of fiber reinforced resin, fiber reinforced rubber and rubber having orientation. When the club is placed in a designated state on the horizontal plane, the crossing angle of the plane containing the elastic main axis E and the geometric main axis G when the shaft is fixed 200 mm from the grip side end part to a specified plane containing the geometric main axis G of the shaft, which is parallel to the line of intersection between the face surface of the iron head and the horizontal plane, is set to 45-90°.
Inventors:
Masahide Ohnuki
Makoto Yoshida
Makoto Yoshida
Application Number:
JP25637697A
Publication Date:
November 27, 2000
Filing Date:
September 22, 1997
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
A63B53/00; A63B53/10; B32B5/12; A63B102/32; (IPC1-7): A63B53/00; A63B53/10; B32B5/12
Domestic Patent References:
| JP4156870A |
Attorney, Agent or Firm:
Kazumi Owada