Striking Plate for a Golf Club Head

• US 20030125126A1
• Filed: 03/12/2003
• Published: 07/03/2003
• Est. Priority Date: 10/23/1996
• Status: Active Grant

• Current Assignee: Callaway Golf Company
• Original Assignee: Callaway Golf Company
• Inventors: Kosmatka, John B.
• Granted Patent: US 6,800,037 B2
• Time in Patent Office: Days
• US Class Current: 473/329
• CPC Class Codes: A63B 53/04 Heads
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0454 Strengthening ribs on the rear surface of the impact face plate
• CPC Class Codes: A63B 53/0458 with non-uniform thickness of the impact face plate
• CPC Class Codes: A63B 53/0462 characterised by tapering thickness of the impact face plate
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/047 iron-type
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: A63B 69/3635 with sound-emitting source

Abstract

Abstract of Disclosure

A golf club having a club head with a striking plate that has an aspect ratio in excess of 0.575. The golf club head has a thin striking plate with a high aspect ratio in order to increase the deflection of the striking plate during impact with a golf ball. The striking plate may be composed of stainless steel, titanium, aluminum, amorphous metal, composites, or the like. The golf club head may be a wood or an iron.

Claims

1. I claim as my invention:

1. A golf club head comprising;

a body having a heel end and a toe end wherein a striking plate is disposed on the body and extends from the heel end to the toe end, wherein the striking plate is composed of a titanium alloy material having a depth, D, ranging from 1.45 inches to 2.50 inches and a width, W, ranging from 2.50 inches to 4.00 inches, and a striking plate thickness, T, ranging from 0.055 inch to 0.125 inch, and wherein the striking plate has a face stiffness ranging from 6 x 10⁴ pounds per inch to 8 x10⁴ pounds per inch.

2. The golf club head according to claim 1 wherein the striking plate has an elliptical shape.

3. The golf club head according to claim 1 wherein the striking plate has a thickness, T, in the range of 0.100 inch to 0.110 inch.

4. A golf club head comprising:

a body having a heel end and a toe end wherein a striking plate is disposed on the body and extends from the heel end to the toe end, wherein the striking plate is composed of a steel alloy material having a depth, D, ranging from 1.45 inches to 2.50 inches and a width, W, ranging from 2.50 inches to 4.00 inches, and a striking face thickness, T, ranging from 0.055 inch to 0.125 inch, and wherein the striking plate has a face stiffness ranging from 6 x 10⁴ pounds per inch to 8 x10⁴ pounds per inch.

5. A golf club head comprising:

a body having a heel end and a toe end wherein a striking plate is disposed on the body and extends from the heel end to the toe end, wherein the striking plate is composed of a vitreous metal material having a depth, D, ranging from 1.45 inches to 2.50 inches and a width, W, ranging from 2.50 inches to 4.00 inches, and a striking face thickness, T, ranging from 0.055 inch to 0.125 inch, and wherein the striking plate has a face stiffness ranging from 6 x 10⁴ pounds per inch to 8 x10⁴ pounds per inch.

6. A golf club head comprising:

a body having a heel end and a toe end wherein a striking plate is disposed on the body and extends from the heel end to the toe end, wherein the striking plate is composed of a titanium alloy material having an aspect ratio of at least 0.575, and a striking plate thickness, T, ranging from 0.055 inch to 0.125 inch, and wherein the striking plate has a face stiffness ranging from 6 x 10⁴ pounds per inch to 8 x10⁴ pounds per inch.

7. A golf club head comprising:

a body having a heel end and a toe end wherein a striking plate is disposed on the body and extends from the heel end to the toe end, wherein the striking plate is composed of a titanium alloy material having an aspect ratio of at least 0.575, and a striking plate thickness, T, ranging from 0.055 inch to 0.125 inch, and wherein the striking plate has a figure of merit less than 40x10⁵ pound-grams per inch.

8. A golf club head comprising:

a body having a heel end and a toe end wherein a striking plate is disposed on the body and extends from the heel end to the toe end, wherein the striking plate is composed of a titanium alloy material and having thickness, T, ranging from 0.055 inch to 0.125 inch, and wherein the striking plate has a figure of merit less than 40x10⁵ pound-grams per inch and a face stiffness ranging from 6 x 10⁴ pounds per inch to 8 x10⁴ pounds per inch.