| US 7,494,424 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 Oct. 08, 2007, as Appl. No. 11/868,638. | ||
| 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 2008/0039234 A1, Feb. 14, 2008 | ||
| 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] | 20 Claims |
| 15. A wood-type golf club head comprising:
a body composed of a non-metal material, the body comprising a crown, a sole and a front wall having an opening and a perimeter,
a heel wall extending 2.0 inches to 5.0 inches rearward from the perimeter of the front wall, an aft wall substantially perpendicular
to the heel wall, the aft wall extending from 2.5 inches to 5.5 inches from an aft edge of the heel wall, and a toe wall substantially
perpendicular to the aft wall, the toe wall extending from 2.0 inches to 5.0 inches from an aft edge of the toe wall, wherein
the crown, the sole, the front wall, the heel wall, the aft wall and the toe wall define a hollow interior;
a striking plate positioned in the opening of the front wall of the body, the striking plate composed of a metal material;
wherein the 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 heel wall extends rearward from a perimeter of the front wall a distance of least 50% of the length of the heel
wall at an angle of 80 degrees to 90 degrees relative to relative to a plane parallel to the farthest extent of the face.
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