| US 7,578,751 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); Alan Hocknell, Carlsbad, Calif. (US); and Matthew T. Cackett, San Diego, Calif. (US) | ||
| Assigned to Callaway Golf Company, Carlsbad, Calif. (US) | ||
| Filed on Nov. 24, 2008, as Appl. No. 12/276,926. | ||
| Application 12/276926 is a continuation of application No. 11/868832, filed on Oct. 08, 2007, granted, now 7,455,598. | ||
| Application 11/868832 is a continuation of application No. 11/748206, filed on May 14, 2007, granted, now 7,419,440. | ||
| Application 11/748206 is a continuation of application No. 11/738850, filed on Apr. 23, 2007, granted, now 7,306,527. | ||
| Application 11/738850 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 2009/0075753 A1, Mar. 19, 2009 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A63B 53/04 (2006.01) | ||
| U.S. Cl. 473—329 [473/335; 473/345; 473/349] | 7 Claims |
| 1. A wood-type golf club head comprising:
a body comprising a sole, a toe wall, a heel wall, an aft-wall, and a front wall having a perimeter, wherein the aft-wall
is substantially perpendicular to the heel wall and the toe wall, the body composed of a titanium alloy material;
a crown composed of a non-metal material;
wherein the golf club head has a distance, Dhw, ranging from 3.5 inches to 4.0 inches, a distance, Dtw, ranging from 3.5 inches to 4.0 inches, and a distance, Daw, ranging from 4.0 inches to 4.50 inches;
wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 66% 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 front
wall;
wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters, a coefficient of restitution
ranging from 0.81 to 0.94, a mass ranging from 180 grams to 215 grams, and a moment of inertia, Izz, about the center of gravity
of the golf club head greater than 4000 grams-centimeters squared.
|