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US 6,719,643 B1Granted
Golf club head with a face insert
AssigneeCallaway Golf Company
InventorsRichard C. Helmstetter, Alan Hocknell, D. Clayton Evans, Roger Cleveland, Matthew T. Cackett, Augustin W. Rollinson, Garth W. Smith, Homer E. Aguinaldo
Life of this patent
Estimating the term…
Abstract
A golf club head (20) having a body (22) with a front wall (30) with an opening (32) and a striking plate insert (40) is disclosed herein. The golf club head (20) has a volume between 370 cubic centimeters and 425 cubic centimeters. The golf club head (20) has a mass between 140 grams and 215 grams. The golf club head (20) has a moment of inertia, Izz, about the Z axis through the center of gravity of the golf club head ranging from 3200 g-cm2 to 3900 g-cm2.
Claims6
A golf club head comprising:
- a body having a crown, a sole, a ribbon, and a front wall with an opening, the crown having a thickness of 0.035 inch to 0.045 inch, the sole having a thickness of 0.035 inch to 0.045 inch, the body composed of a cast titanium alloy material, the crown, the sole, the ribbon and the front wall defining a hollow interior;
- and
- a striking plate insert positioned within the opening and welded to the body, the striking plate insert having a uniform thickness in the range of 0.080 inch to 0.120 inch, the striking plate insert composed of a formed titanium alloy material;
- an internal hosel positioned within the hollow interior of the body, the interior hosel extending from the crown to the sole;
- wherein the golf club head has a volume ranging from 360 cubic centimeters to 425 cubic centimeters;
- wherein the golf club head has a mass ranging from 185 grams to 215 grams;
- wherein the golf club head has a height ranging from 2.0 inches to 3.5 inches and a width ranging from 4.0 inches to 5.0 inches;
- wherein the golf club head has a coefficient of restitution ranging from 0.82 to 0.87;
- and
- wherein the golf club head has a moment of inertia, Izz, about the Z axis through the center of gravity of the golf club head ranging from 3400 g-cm2 to 3900 g-cm2.
7 more elements
A golf club head comprising:
- a body having a crown, a sole, a ribbon, and a front wall with an opening, the crown having a thickness of 0.035 inch to 0.045 inch, the sole having a thickness of 0.035 inch to 0.045 inch, the front wall having a perimeter region encompassing the opening, the perimeter region having a thickness of 0.070 inch to 0.0110 inch, the body composed of a cast titanium alloy material, the crown;
- the sole, the ribbon and the front wall defining a hollow interior;
- and
- a striking plate insert positioned within the opening and welded to the body, the striking plate insert having a uniform thickness in the range of 0.080 inch to 0.120 inch, the striking plate insert composed of a formed titanium alloy material;
- an internal hosel positioned within the hollow interior of the body, the interior hosel extending from the crown to the sole;
- wherein the golf club head has a volume ranging from 360 cubic centimeters to 425 cubic centimeters;
- wherein the golf club head has a mass ranging from 185 grams to 215 grams;
- wherein the golf club head has a height ranging from 2.0 inches to 3.5 inches, a width ranging from 4.0 inches to 5.0 inches, a depth ranging from 3.0 inches to 4.5 inches;
- wherein the golf club head has a coefficient of restitution ranging from 0.82 to 0.87;
- and
- wherein the golf club head has a moment of inertia, Izz, about the Z axis through the center of gravity of the golf club head ranging from 3400 g-cm2 to 3900 g-cm2.
8 more elements
A golf club head comprising:
- a body having a crown, a sole, a ribbon, and a front wall with an opening, the crown having a thickness of 0.035 inch to 0.045 inch, the sole having a thickness of 0.035 inch to 0.045 inch, the front wall having a perimeter region encompassing the opening, the perimeter region having a thickness of 0.070 inch to 0.0110 inch, the body composed of a cast titanium alloy material, the crown, the sole, the ribbon and the front wall defining a hollow interior;
- and
- a striking plate insert positioned within the opening and welded to the body, the striking plate insert having a uniform thickness in the range of 0.080 inch to 0.120 inch, the striking plate insert composed of a formed titanium alloy material;
- an internal hosel positioned within the hollow interior of the body, the interior hosel extending from the crown to the sole;
- wherein the golf club head has a volume ranging from 360 cubic centimeters to 425 cubic centimeters;
- wherein the golf club head has a mass ranging from 185 grams to 215 grams;
- wherein the golf club head has a height ranging from 2.0 inches to 3.5 inches and a width ranging from 4.0 inches to 5.0 inches;
- wherein the golf club head has a coefficient of restitution ranging from 0.82 to 0.87;
- and
- wherein the golf club head has a moment of inertia, Izz, about the Z axis through the center of gravity of the golf club head ranging from 3400 g-cm2 to 3900 g-cm2.
7 more elements
Dependencies are inferred from the claim text.