US 7,320,646 B2
Multiple material golf club head
J. Andrew Galloway, Escondido, Calif. (US)
Assigned to Callaway Golf Company, Carlsbad, Calif. (US)
Filed on Oct. 09, 2006, as Appl. No. 11/539,682.
Application 11/539682 is a continuation of application No. 10/710352, filed on Jul. 02, 2004, granted, now 7,118,493.
Application 10/710352 is a continuation in part of application No. 10/065871, filed on Nov. 26, 2002, granted, now 6,758,763.
Application 10/065871 is a continuation in part of application No. 09/906889, filed on Jul. 16, 2001, granted, now 6,491,592.
Application 09/906889 is a continuation in part of application No. 09/431982, filed on Nov. 01, 1999, granted, now 6,354,962.
Prior Publication US 2007/0078029 A1, Apr. 05, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2006.01); A63B 69/36 (2006.01)
U.S. Cl. 473—224  [473/234; 473/329; 473/342; 473/349; 473/345] 14 Claims
OG exemplary drawing
 
1. A golf club head comprising:
an aft-body composed of a non-metallic material, the aft body comprising a crown portion and a sole portion;
a face component attached to the aft-body, the face component composed of a metal material;
and a means for modifying the sound characteristics of the golf club head, the modifying means being attached to the face component, wherein the golf club head has a pitch ranging from 3500 Hertz to 4500 Hertz when striking a golf ball at a swing speed of approximately 100 miles per hour;
wherein the golf club head has a volume ranging from 350 cubic centimeters to 510 cubic centimeters and a coefficient of restitution of 0.80 to 0.94.