Multiple material golf club head
AssigneeCallaway Golf Company
InventorsMatthew J. Erickson, Bradley C. Rice, D. Clayton Evans, Evan D. Gibbs
Life of this patent
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Abstract
A wood-type golf club head (40) having a major body (50), a striking plate insert (55) and a minor body (60) is disclosed herein. The major body (50) is composed of a metal material and has a front wall section (72), a return section (74), a sole section (76), a ribbon section (78) and a ledge portion (80). The minor body (50) is preferably composed of a low density material and has a crown section (62) and a ribbon section (64). The striking plate insert (55) is composed of a metal material. An epoxy-based composition (200) is placed at a face-sole junction (205) to lower the amplitude of the sound of the golf club head (40) during impact with a golf ball.
Claims2
A golf club head comprising:
- a body composed of a titanium alloy material;
- wherein a moment of inertia about a Izz axis through a center of gravity of the golf club head that ranges from 2800 to 5000 grams-centimeters squared, a moment of inertia about a Ixx axis through the center of gravity of the golf club head that ranges from 2000 to 3500 grams-centimeters squared and a moment of inertia about a Iyy axis through the center of gravity of the golf club head that ranges from 2000 to 3500 grams-centimeters squared;
- wherein the golf club head has a length ranging from 3.5 inches to 4.5 inches and a width ranging from 4.0 inches to 5.5 inches;
- wherein the golf club head has a volume ranging from 350 cubic centimeters to 495 cubic centimeters;
- wherein the golf club head has an amplitude level of less than 118 decibels when impacting a golf ball at a swing speed ranging from 80 MPH to 130 MPH.
Dependencies are inferred from the claim text.