| US 7,588,501 B2 | ||
| Golf club head | ||
| Luke R. Williams, Carlsbad, Calif. (US); Larry G. Tang, Carlsbad, Calif. (US); Daniel M. Stevens, San Diego, Calif. (US); Ronald K. Hettinger, Oceanside, Calif. (US); Michael Hallack, Carlsbad, Calif. (US); Evan D. Gibbs, Encinitas, Calif. (US); Matthew T. Cackett, San Diego, Calif. (US); and Alan Hocknell, Carlsbad, Calif. (US) | ||
| Assigned to Callaway Golf Company, Carlsbad, Calif. (US) | ||
| Filed on Feb. 23, 2009, as Appl. No. 12/390,724. | ||
| Application 12/390724 is a continuation of application No. 11/868638, filed on Oct. 08, 2007, granted, now 7,494,424. | ||
| Application 11/868638 is a continuation of application No. 11/625176, filed on Jan. 19, 2007, granted, now 7,291,075. | ||
| Application 11/625176 is a continuation of application No. 11/161199, filed on Jul. 26, 2005, granted, now 7,166,038. | ||
| Claims priority of provisional application 60/641283, filed on Jan. 03, 2005. | ||
| Prior Publication US 2009/0156326 A1, Jun. 18, 2009 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A63B 53/04 (2006.01) | ||
| U.S. Cl. 473—329 [473/334; 473/335; 473/345; 473/349] | 5 Claims |
| 1. A wood-type golf club head comprising:
a body composed of a titanium alloy material, the body comprising a crown, a sole and a front wall having a perimeter, a body
extending 2.0 inches to 5.0 inches rearward from the perimeter of the front wall, wherein the crown, the sole, the front wall,
define a hollow interior;
wherein the wood-type golf club head has a volume ranging from 420 cubic centimeters to 470 cubic centimeters, a moment of
inertia, Izz, about the center of gravity of the golf club head greater than 4000 grams-centimeters squared, and a moment
of inertia, Iyy, about the center of gravity of the golf club head ranging from 2000 grams-centimeters squared to 4000 grams-centimeters
squared;
wherein the wood-type golf club head has coefficient of restitution ranging from 0.81 to 0.94;
wherein the body is substantially rectangular;
wherein the body extends rearward from a perimeter of the front wall a distance of least 50% of the length of the body at
an angle of 80 degrees to 90 degrees relative to relative to a plane parallel to the farthest extent of the front wall.
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