IP Library Granted Patent US 6,997,821
Granted Patent B2
US 6,997,821 · App. 10/604,370 · Granted Feb 14, 2006

Golf club head

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Quick Facts
Patent No.
US 6,997,821
App. No.
10/604,370
Granted
Feb 14, 2006
Kind
B2
Abstract

A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inch is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of the club head may have an aspect ratio less than 1.7. The striking plate may also have concentric regions of thickness with the thickness portion in the center. The club head may be composed of a titanium material, have a volume in the range of 175 cubic centimeters to 400 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head may also have a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1 e , Appendix II, of the Rules of Golf for 1998-1999.

Claims (23)

1. A wood-type golf club head comprising:

a face member composed of a metal material, the face member including a face plate and a face extension, the face extension extending laterally rearward from a perimeter of the face plate, the face plate having an aspect ratio ranging from 1.0 to 1.7 and a face area ranging from 4.00 square inches to 7.50 square inches, the face plate having a plurality of scorelines thereon, wherein the face plate comprises a central circular region having a base thickness, a first concentric region having a first thickness wherein the base thickness is greater than the first thickness, a second concentric region having a second thickness wherein the first thickness is greater than the second thickness, a third concentric region having a third thickness wherein the second thickness is greater than the third thickness, and a periphery region having a fourth thickness wherein the fourth thickness is less than the third thickness; and

a body including a crown and a sole coupled to the face extension of the face member,

wherein the golf club head has a volume no greater than 400 cubic centimeters,

wherein the golf club head has a coefficient of restitution of ranging from 0.80 to 0.93 under standard USGA conditions, and

wherein the golf club head has a mass ranging from 165 grams to 300 grams.

2. A wood-type golf club head comprising:

a body having a crown and a sole, the body composed of a metal material; and

a face member composed of a metal material, the fate member including a face plate and a face extension, the face extension extending laterally rearward from a perimeter of the face plate, the face plate having an aspect ratio ranging from 1.0 to 1.7 and a face area ranging from 4.00 square inches to 7.50 square inches, the face plate having a plurality of scorelines thereon, wherein the face has a plurality of concentric regions of varying thickness with the thickest region in the center,

wherein the golf club head has a volume no greater than 400 cubic centimeters,

wherein the golf club head has a coefficient of restitution of ranging from 0.80 to 0.93 under standard USGA conditions, and

wherein the golf club head has a mass ranging from 165 grains to 300 grams.

3. A wood-type golf club head comprising:

a body having a crown and a sole, the body composed of a metal material; and

a face member composed of a metal material, the face member including face plate and a face extension, the face extension extending laterally rearward from a perimeter of the face plate, the face plate having an aspect ratio ranging from 1.0 to 1.7 and a face area ranging from 4.00 square inches to 7.50 square inches, the face plate having a plurality of scorelines thereon,

wherein the golf club head has a volume no greater than 400 cubic centimeters,

wherein the golf club bead has a coefficient of restitution ranging from 0.80 to 0.93 under standard USGA conditions, and

wherein the golf club head has a mass ranging from 165 grams to 300 grams.

4. The wood-type golf club head according to claim 3 wherein the depth of the golf club head from the face plate to a rear of the crown ranges from 3.606 inches to 3.741 inches.

5. The wood-type golf club head according to claim 3 wherein the volume of the golf club head ranges from 260 cubic centimeters to 350 cubic centimeters.

6. The wood-type golf club head according to claim 3 wherein the face area of the face plate ranges from 4.50 square inches to 5.50 square inches.

7. The wood-type golf club head according to claim 3 wherein the mass of the golf club head ranges from 175 grams to 225 grams.

8. The wood-type golf club head according to claim 3 wherein the crown has a thickness ranging from 0.025 inch to 0.060 inch.

Assignments (5)
RELEASE (REEL 048172 / FRAME 0001) Recorded Mar 17, 2023
From: BANK OF AMERICA, N.A.
To: TOPGOLF CALLAWAY BRANDS CORP. (F/K/A CALLAWAY GOLF COMPANY); OGIO INTERNATIONAL, INC.
Reel/Frame 063622/0187 →
SECURITY INTEREST Recorded Jan 23, 2019
From: CALLAWAY GOLF COMPANY; CALLAWAY GOLF SALES COMPANY; CALLAWAY GOLF BALL OPERATIONS, INC.; OGIO INTERNATIONAL, INC.; CALLAWAY GOLF INTERACTIVE, INC.; CALLAWAY GOLF INTERNATIONAL SALES COMPANY; TRAVISMATHEW, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 048110/0352 →
SECURITY AGREEMENT Recorded Jan 4, 2019
From: CALLAWAY GOLF COMPANY; OGIO INTERNATIONAL, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 048172/0001 →
SECURITY INTEREST Recorded Feb 16, 2018
From: CALLAWAY GOLF COMPANY; CALLAWAY GOLF SALES COMPANY; CALLAWAY GOLF BALL OPERATIONS, INC.; OGIO INTERNATIONAL, INC.; CALLAWAY GOLF INTERACTIVE, INC.; CALLAWAY GOLF INTERNATIONAL SALES COMPANY
To: BANK OF AMERICA, N.A.
Reel/Frame 045350/0741 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 15, 2003
From: GALLOWAY, J. ANDREW; HELMSTETTER, RICHARD C.; BOYCE, RONALD C.; AGUINALDO, HOMER E.; WOOLLEY, CURTIS S.; HOCKNELL, ALAN
To: CALLAWAY GOLF COMPANY
Reel/Frame 013797/0326 →