IP Library Granted Patent US 8,545,344
Granted Patent B2
US 8,545,344 · App. 13/418,434 · Granted Oct 1, 2013

Interchangable shaft and club head connection system

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Quick Facts
Patent No.
US 8,545,344
App. No.
13/418,434
Granted
Oct 1, 2013
Kind
B2
Abstract

Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head.

Claims (9)

1. A golf club comprising:

a shaft connected to a shaft insert, the shaft insert comprising at least one tooth at a terminal end of the shaft insert and a retaining edge;

a hosel sleeve attached to the shaft;

a club head comprising at least one tooth groove and a thread, wherein the tooth groove is spaced from the thread in a direction away from a sole of the head, and the tooth groove is sized and dimensioned to engage the at least one tooth;

wherein when the tooth is engaged to the tooth groove, the hosel sleeve engages the thread of the club head to removably attach the shaft to the club head, and

wherein the retaining edge prevents the hosel sleeve from being detached from the shaft, and

wherein the retaining edge only partially covers the circumference of the shaft insert.

2. The golf club of claim 1 , wherein the tooth is disposed on a terminal end of the shaft insert that is attached to the shaft.

3. The golf club of claim 1 , therein when the tooth is engaged to the tooth groove and the hosel is disposed against a ferrule, the shaft cannot rotate with respect to the club head.

Assignments (6)
SECURITY INTEREST Recorded Aug 3, 2022
From: ACUSHNET COMPANY
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 061099/0236 →
ASSIGNMENT OF SECURITY INTEREST IN PATENTS (ASSIGNS 039506-0030) Recorded Aug 3, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS RESIGNING ADMINISTRATIVE AGENT
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR ADMINISTRATIVE AGENT
Reel/Frame 061521/0414 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (032607/0744) Recorded Sep 7, 2016
From: KOREA DEVELOPMENT BANK, NEW YORK BRANCH
To: ACUSHNET COMPANY
Reel/Frame 039939/0524 →
SECURITY INTEREST Recorded Jul 28, 2016
From: ACUSHNET COMPANY
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 039506/0030 →
SECURITY INTEREST Recorded Apr 4, 2014
From: ACUSHNET COMPANY
To: KOREA DEVELOPMENT BANK, NEW YORK BRANCH
Reel/Frame 032607/0744 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2012
From: DE LA CRUZ, NOAH; GOLDEN, CHARLES E.; CALLINAN, DANIEL S.
To: ACUSHNET COMPANY
Reel/Frame 027849/0741 →