Golf club head

• US 7,037,213 B2
• Filed: 05/06/2004
• Issued: 05/02/2006
• Est. Priority Date: 12/26/2003
• Status: Expired due to Fees

• Current Assignee: Masaaki Otoguro
• Original Assignee: Peparlet Company Limited
• Inventors: Otoguro, Masaaki
• Primary Examiner(s): Passaniti, Sebastiano
• Application Number:
  US10/839,280
• Publication Number:
  US 20050143192A1
• Time in Patent Office: 726 Days
• Field of Search: 473333-339, 473349-350, 473/326
• US Class Current: 473/333
• CPC Class Codes: A63B 2053/0495 moving on impact, slidable, spring or otherwise elastically biased
• CPC Class Codes: A63B 53/04 Heads
• 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 53/047 iron-type
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like

Abstract

The present invention provides a golf club head, in which a stable high-inertia moment is generated at the time of down swinging and impacting of a golf club, thereby reliably achieving the effect of increase in driving distance. A golf club head has a plurality of hollow chambers 3 arranged in mutually parallel relation and in mutually adjacent relation within a head 1 from a heel 6 toward a toe 7. Each hollow chamber 3 is faced with a sole-forming wall. A weight 9 composed of a granular body or liquid body is sealed in each of the hollow chambers 3, and each of the hollow chambers 3 is provided with an openable and closable inlet/outlet port 8 for charging the weight 9 into each of the hollow chambers 3.

Claims

1. A golf club head characterized in that a plurality of hollow chambers are arranged in mutually parallel relation and in mutually adjacent relation within a head from a heel toward a toe, a weight composed of a granular body or liquid body being sealed in each of said hollow chambers, and each of said hollow chambers being provided with an openable and closable inlet/outlet port for charging said weight into each of said hollow chambers;

wherein said hollow chambers are defined between heel and toe portions by a bottom sole-forming wall, an upper wall, a front wall, a rear wall and at least one partition wall extending from said front wall to said rear wall; and

wherein a face plate separate from said front wall is provided forward of said front wall.

2. A golf club head according to claim 1, wherein a space is formed between said front wall and said face plate.

3. A golf club head according to claim 1, wherein said weight is composed of the granular body.

4. A golf club head according to claim 1, wherein said weight is composed of the liquid body.