C-SHAPED GOLF CLUB HEAD

• US 20090203463A1
• Filed: 04/20/2009
• Published: 08/13/2009
• Est. Priority Date: 12/12/2006
• Status: Active Grant

• Current Assignee: Callaway Golf Company
• Original Assignee: Callaway Golf Company
• Inventors: DIMARCO, THOMAS J.
• Granted Patent: US 7,717,803 B2
• Time in Patent Office: Days
• US Class Current: 473/334
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 2209/00 Characteristics of used materials
• CPC Class Codes: A63B 2209/023 Long, oriented fibres, e.g. wound filaments, woven fabrics, mats
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0412 Volume
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0437 with special crown configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: A63B 60/02 Ballast means for adjusting the centre of mass A63B60/24, A63B60/54 take precedence

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

1. A golf club head comprising:

a body having a front elongated section, a heel end arm 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; and

a plurality of weight members, a first weight member of the plurality of weight members moveably positioned on the rear wall of the heel end arm, a second weight member of the plurality of weight members moveably positioned on the rear wall of the toe end arm, a third weight member of the plurality of weight members moveably positioned on the rear wall of the front elongated section, and a fourth weight member of the plurality of weight members moveably positioned on the rear wall of the front elongated section.

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-cm² to 5000 g-cm².

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-cm² to 4000 g-cm².

9. The golf club head according to claim 1 wherein the golf club head has a moment of inertia Ixx about the center of gravity ranging from 2000 g-cm² to 4000 g-cm².

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