Patent · US Active

Golf club with interchangeable head-shaft connection

US7335113B2 · kind B2 · utility

150Cited by

6References

20Claims

0Family size

Assignee

Callaway Golf Company · US

Inventors

Alan Hocknell · Carlsbad, US
Matthew T. Cackett · San Diego, US
Denver Holt · Carlsbad, US
D. Clayton Evans · San Marcos, US
Daniel M. Stevens · Carlsbad, US
James C. Wenck · Carlsbad, US

Key dates

Filing date	Aug 10, 2006
Grant date	Feb 26, 2008
Priority date	—
Expiry date	Aug 10, 2026

Classification

Technology area (CPC A)Human Necessities
CPC primaryA63B2210/50
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.