IP Library › Granted Patent US 11,148,016
Granted Patent B2
US 11,148,016 · App. 16/489,157 · Granted Oct 19, 2021

Golf club and combining member of golf club shaft and golf club head

Inventors: Masaki Wakabayashi (Saitama, JP); Yoshihito Kogawa (Saitama, JP); Keigo Takahashi (Saitama, JP)
Assignee: FUJIKURA COMPOSITES INC.
A63B53/02A63B53/047A63B53/0487
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Quick Facts
Patent No.
US 11,148,016
App. No.
16/489,157
Granted
Oct 19, 2021
Kind
B2
Abstract

To obtain a golf club and a combining member of a golf club shaft and a golf club head that can provide a flexibility in choice of reshafting to a user regardless of types of the golf club shaft and the golf club head. A golf club includes an inner-hosel-type golf club shaft, an over-hosel-type golf club head, and a combining member that combines the inner-hosel-type golf club shaft with the over-hosel-type golf club head.

Claims (20)

1. A golf club comprising:

an inner-hosel-type golf club shaft which has an inserted cylindrical portion;

an over-hosel-type golf club head which has an inserted shaft portion; and

a combining member that combines the inner-hosel-type golf club shaft with the over-hosel-type golf club head, the combining member being formed as a tubular member into which the inserted cylindrical portion and the inserted shaft portion are inserted from opposite directions, and the tubular member is bonded on outer peripheral surfaces of the inserted cylindrical portion and the inserted shaft portion.

2. The golf club according to claim 1 , wherein

the inserted cylindrical portion and the inserted shaft portion have distal end surfaces butted to one another inside the tubular member.

3. The golf club according to claim 1 , wherein

the inner-hosel-type golf club shaft defines the inserted cylindrical portion and has an abutting stepped portion on which one end portion of the tubular member is abutted, and

the over-hosel-type golf club head defines the inserted shaft portion and has an abutting stepped portion on which another end portion of the tubular member is abutted.

4. The golf club according to claim 1 , wherein the inner-hosel-type golf club shaft is formed of a golf club shaft formed of a thermally cured prepreg where a thermosetting resin is immersed in a reinforcing fiber.

5. The golf club according to claim 1 , wherein

the over-hosel-type golf club head is formed of a putter club head.

6. The golf club according to claim 1 , wherein

the combining member or the tubular member is formed of a thermally cured prepreg where a thermosetting resin is immersed in a reinforcing fiber.

7. In combination in a golf club having a golf club shaft with a cylindrical portion at one end of an inner-hosel-type club shaft, and a golf club head with a shaft portion of an over-hosel-type club head:

a combining member formed as a tubular member with one end and an opposite end, the cylindrical portion of the inner-hosel-type club shaft being inserted into the one end of the tubular member, and the shaft portion of the over-hosel-type club head being inserted into the opposite end of the tubular member, and the tubular member being bonded to outer peripheral surfaces of the inserted cylindrical portion and the inserted shaft portion.

8. A golf club comprising:

an inner-hosel-type golf club shaft which has an inserted cylindrical portion;

an over-hosel-type golf club head which has an inserted shaft portion; and

a combining member that combines the inner-hosel-type golf club shaft with the over-hosel-type golf club head, the combining member having one end receiving the inserted cylindrical portion of the golf club shaft, and an opposite end receiving the inserted shaft portion of the golf club head, and the combining member is bonded at the ends to the inserted cylindrical portion and the inserted shaft portion.

Assignments (2)
CHANGE OF ADDRESS Recorded Sep 5, 2025
From: FUJIKURA COMPOSITES INC
To: FUJIKURA COMPOSITES INC
Reel/Frame 072563/0099 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 25, 2019
From: WAKABAYASHI, MASAKI; KOGAWA, YOSHIHITO; TAKAHASHI, KEIGO
To: FUJIKURA COMPOSITES INC.
Reel/Frame 050489/0834 →
Continuity (2)
Related Publication 20190388740A1 · Dec 26, 2019
Related Publication 20200376350A9 · Dec 3, 2020