JPH02106270U

JPH02106270U -

Info

Publication number: JPH02106270U
Application number: JP1989015685U
Authority: JP
Priority date: 1989-02-13
Filing date: 1989-02-13
Publication date: 1990-08-23

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の断面図、第２図〜
第５図は第１図のクラブシヤフトをスチールで製
造する場合の方法を示すもので、第２図はスチー
ルパイプから縮管によつて製造する製造例図、第
３図はスチール板によつて製造する製造例図、第
４図はスチール短筒によつて製造する製造例図、
第５図は帯状スチール材によつて製造する製造例
図、第６図は第１図のクラブシヤフトをＦＲＰで
製造する場合の方法を示す製造例図、第７図及び
第８図は従来のスチールクラブシヤフトの製造例
図、第９図及び第１０図は従来のＦＲＰクラブシ
ヤフトの製造例図である。１はクラブシヤフト、２は先端側、３はグリツ
プ端側、４は重心位置、５はスチールパイプ、６
はスチール板、７はスチール短筒、８は帯状スチ
ール材、９は芯型、１０は扇状ＦＲＰシートを示
す。 Figure 1 is a sectional view of an embodiment of the present invention, Figures 2-
Figure 5 shows the method of manufacturing the club shaft shown in Figure 1 from steel, Figure 2 shows an example of manufacturing the club shaft from steel pipe by shrinking it, and Figure 3 shows how it is manufactured from steel plates. Figure 4 shows an example of manufacturing using a short steel tube.
Fig. 5 is an example of manufacturing the club shaft of Fig. 1 using FRP, Fig. 6 is an example of manufacturing the club shaft of Fig. 1 using FRP, and Figs. FIG. 9 and FIG. 10 are examples of manufacturing a conventional FRP club shaft. 1 is the club shaft, 2 is the tip side, 3 is the grip end side, 4 is the center of gravity position, 5 is the steel pipe, 6
1 is a steel plate, 7 is a short steel tube, 8 is a belt-shaped steel material, 9 is a core type, and 10 is a fan-shaped FRP sheet.

Claims

[Scope of utility model registration claims] (1) In the club shaft of a golf club,
A clubshaft characterized in that the wall thickness on the small diameter end side and the large diameter grip end side is formed to be approximately uniform. (2) In the club shaft of a golf club,
A clubshaft characterized in that the wall thickness at the end of the large diameter grip is greater than that at the end of the small diameter grip.