IP Library Granted Patent US 7,520,820
Granted Patent B2
US 7,520,820 · App. 11/954,422 · Granted Apr 21, 2009

C-shaped golf club head

Assignee: Callaway Golf Company
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,520,820
App. No.
11/954,422
Granted
Apr 21, 2009
Kind
B2
Abstract

A C-shaped golf club head is disclosed herein. The body has a striking plate wall, a crown section, a sole section and a rear wall. The golf club head also has a plurality of weight members positioned on the rear wall of the body. Each of the plurality of weight members is movable along the rear wall.

Claims (20)

1. A golf club head comprising:

a body having a generally C shape when viewed from above with the generally C shape defined by a front elongated section having a heel end arm extending rearward from the front elongated section and a toe end arm extending rearward from the front elongated section, the body having a striking plate wall, a crown section, a sole section and a rear wall; and

a plurality of weight members positioned on the rear wall, each of the plurality of weighted members movable along the rear wall, wherein the plurality of weight members is composed of four weight members, with two of the weight members each movably connected along a crown and sole axis, and two of the members each movably connected along a heel to toe axis.

2. The golf club head according to claim 1 wherein the body has a volume ranging from 420 cubic centimeters to 470 cubic centimeters.

3. The golf club head according to claim 1 wherein the body is composed of a material selected from the group consisting of titanium, titanium alloy, steel, magnesium, magnesium alloy, aluminum, aluminum alloy, pre-preg material, thermoplastic polyurethane, and polycarbonate.

4. The golf club head according to claim 1 wherein each of the plurality of weight members ranges in mass from 10 grams to 40 grams.

5. The golf club head according to claim 1 wherein each of the plurality of weight members ranges in mass from 15 grams to 30 grams.

6. The golf club head according to claim 1 wherein the golf club head has mass ranging from 190 grams to 220 grams.

7. The golf club head according to claim 1 wherein the golf club head has a moment of inertia Izz about the center of gravity ranging from 4000 g-cm 2 to 5000 g-cm 2 .

8. The golf club head according to claim 1 wherein the golf club head has a moment of inertia Iyy about the center of gravity ranging from 2000 g-cm 2 to 4000 g-cm 2 .

9. The golf club head according to claim 1 wherein the golf club head has a moment of inertia lxx about the center of gravity ranging from 2000 g-cm 2 to 4000 g-cm 2 .

10. The golf club head according to claim 1 wherein the striking plate wall has variable face thickness.

11. A golf club head comprising:

a body having a front elongated section, a heel end ann and a toe end arm, the front elongated section having a striking plate wall and a rear wall, the heel end arm having a rear wall, an external side wall and an internal side wall, the toe end arm having a rear wall, an external side wall and an internal side wall;

a first plurality of weight members positioned on the rear wall of the front elongated section, each of the plurality of weighted members moveably connected along the rear wall;

at least one second weight member positioned on the rear wall of the heel end arm and moveably connected along a crown to sole axis; and

at least one third weight member positioned on the rear wall of the toe end arm and moveably connected along a crown to sole axis.

12. The golf club head according to claim 11 wherein each of the first plurality of weight members, the second weight member and the third weight member ranges in mass from 5 grams to 60 grams.

13. The golf club head according to claim 11 wherein each of the first plurality of weight members, the second weight member and the third weight member ranges in mass from 10 grams to 40 grams.

14. The golf club head according to claim 11 wherein each of the first plurality of weight members, the second weight member and the third weight member ranges in mass from 15 grams to 30 grams.

Assignments (8)
RELEASE OF SECURITY INTEREST AT REEL/FRAME 063665/0176 Recorded Jun 1, 2026
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: CALLAWAY GOLF COMPANY (F/K/A TOPGOLF CALLAWAY BRANDS CORP.); TRAVISMATHEW, LLC; OGIO INTERNATIONAL, INC.; WORLD GOLF TOUR, LLC
Reel/Frame 075834/0150 →
SECURITY INTEREST Recorded May 17, 2023
From: TOPGOLF CALLAWAY BRANDS CORP.; OGIO INTERNATIONAL, INC.; TOPGOLF INTERNATIONAL, INC.; TRAVISMATHEW, LLC; WORLD GOLF TOUR, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 063692/0009 →
SECURITY AGREEMENT Recorded May 16, 2023
From: TOPGOLF CALLAWAY BRANDS CORP. (FORMERLY CALLAWAY GOLF COMPANY); OGIO INTERNATIONAL, INC.; TOPGOLF INTERNATIONAL, INC.; TRAVISMATHEW, LLC; WORLD GOLF TOUR, LLC
To: BANK OF AMERICA, N.A, AS COLLATERAL AGENT
Reel/Frame 063665/0176 →
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 Dec 12, 2007
From: DIMARCO, THOMAS J.
To: CALLAWAY GOLF COMPANY
Reel/Frame 020231/0804 →
Continuity (2)
Provisional Application 6086969700 · Dec 12, 2006
Related Publication 20080139336A1 · Jun 12, 2008