| US 7,611,422 B2 | ||
| Interchangeable shaft for a golf club | ||
| Alan Hocknell, Carlsbad, Calif. (US); Matthew T. Cackett, San Diego, Calif. (US); Denver Holt, Carlsbad, Calif. (US); D. Clayton Evans, San Marcos, Calif. (US); Daniel M. Stevens, San Diego, Calif. (US); and James C. Wenck, Carlsbad, Calif. (US) | ||
| Assigned to Callaway Golf Company, Carlsbad, Calif. (US) | ||
| Filed on Oct. 30, 2007, as Appl. No. 11/929,596. | ||
| Application 11/929596 is a continuation of application No. 11/463778, filed on Aug. 10, 2006, granted, now 7,335,113. | ||
| Application 11/463778 is a continuation in part of application No. 11/461132, filed on Jul. 31, 2006, abandoned. | ||
| Application 11/461132 is a continuation in part of application No. 10/904581, filed on Nov. 17, 2004, granted, now 7,083,529. | ||
| Prior Publication US 2008/0280695 A1, Nov. 13, 2008 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A63B 53/02 (2006.01) | ||
| U.S. Cl. 473—307 [473/312] | 1 Claim |
| 1. An interchangeable shaft for connection to a golf club head, the interchangeable shaft comprising:
a shaft body having a tip end; and
an insert including an upper section and a lower section, the upper section being mounted in the tip end of the shaft body,
the lower section including a frustoconical portion, a keyed portion and a lower end of the insert, the frustconical portion
extending along at least one eighth of the length of the lower section,
wherein the insert is adapted to be mounted in a tube it the golf club head, such that the frustconical portion of the insert
is adapted to be received in a tapered portion of the tube, and the keyed portion of the insert is adapted to be received
in a rotation prevention portion of the tube to prevent rotation of the shaft relative to the golf club head, wherein the
tip end of the shaft body is adapted to extend into the golf club head.
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