US 7,578,749 B2
Interchangeable shaft for a golf club
Alan Hocknell, Carlsbad, Calif. (US); Matthew T. Cackett, San Diego, Calif. (US); and Denver Holt, Carlsbad, Calif. (US)
Assigned to Callaway Golf Company, Carlsbad, Calif. (US)
Filed on Dec. 15, 2008, as Appl. No. 12/334,837.
Application 12/334837 is a continuation of application No. 11/927271, filed on Oct. 29, 2007, granted, now 7,465,239.
Application 11/927271 is a continuation of application No. 11/461227, filed on Jul. 31, 2006, granted, now 7,427,239.
Application 11/461227 is a continuation of application No. 10/904581, filed on Nov. 17, 2004, granted, now 7,083,529.
Prior Publication US 2009/0098946 A1, Apr. 16, 2009
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2006.01)
U.S. Cl. 473—288  [473/307; 473/309] 9 Claims
OG exemplary drawing
 
1. An interchangeable shaft for connection to a golf club head, the interchangeable shaft comprising:
a shaft body having a tip end and a butt end;
a mechanical fastener slidably mounted over the shaft proximate the tip end; and
a sleeve mounted on the tip end of the shaft body, an exterior bottom end of the sleeve having a castellated surface,
wherein the sleeve is adapted to be mounted in a tube in the club head, the tube having an interior bottom end with a reciprocal castellated surface, the castellated surface of the sleeve adapted to engage with the reciprocal castellated surface of the tube to prevent rotation of the shaft relative to the club head, and
wherein the mechanical fastener is adapted to engage the tube to secure the shaft body to the club head.