HOLLOW GOLF CLUB HEAD

• US 20080090674A1
• Filed: 10/09/2007
• Published: 04/17/2008
• Est. Priority Date: 10/16/2006
• Status: Abandoned Application

• Current Assignee: Bridgestone Sports Co Limited (Bridgestone Corporation)
• Original Assignee: Bridgestone Sports Co Limited (Bridgestone Corporation)
• Inventors: MATSUNAGA, Hideo, KUBOTA, Makoto
• Application Number:
  US11/869,014
• Publication Number:
  US 20080090674A1
• 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 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0412 Volume
• 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 60/54 with means for damping vibrations

Abstract

A hollow golf club head includes: a metal head main body including a hollow section; and a weight formed from magnesium or a magnesium alloy in at least one of a toe side, a heel side, a back side and a sole of the metal head main body.

Claims

1. A hollow golf club head comprising:

a metal head main body including a hollow section; and

a weight formed from magnesium or a magnesium alloy in at least one of a toe side, a heel side, a back side and a sole of the metal head main body.

2. The hollow golf club head according to claim 1, wherein:

a recess is formed in at least one of the toe side, the heel side, the back side and the sole of the metal head main body, wherein

the weight is fixed to the recess.

3. The hollow golf club head according to claim 1, wherein:

an opening is formed in at least one of the toe side, the heel side, the back side and the sole of the metal head main body, wherein

the weight is fixed to the opening.

4. The hollow golf club head according to claim 1, wherein

the weight is a screw.