Golf club head

• US 8,192,303 B2
• Filed: 07/01/2009
• Issued: 06/05/2012
• Est. Priority Date: 09/19/2008
• Status: Active Grant

• Current Assignee: Bridgestone Sports Co Limited (Bridgestone Corporation)
• Original Assignee: Bridgestone Sports Co Limited (Bridgestone Corporation)
• Inventors: Ban, Wataru
• Primary Examiner(s): HUNTER, ALVIN A
• Application Number:
  US12/496,087
• Publication Number:
  US 20100075774A1
• Time in Patent Office: 1,070 Days
• Field of Search: 473324-350
• US Class Current: 473/335
• 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 53/04 Heads
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 60/02 Ballast means for adjusting the centre of mass A63B60/24, A63B60/54 take precedence

Abstract

A golf club head of this invention includes a head body, a weight member attached to the head body, and a fixing unit to fix the weight member at any one of a plurality of attachment positions of the head body. The plurality of attachment positions are located on a straight line included in a plane. The plane includes the center-of-gravity position of the head body without the weight member attached thereto and is perpendicular to the toe-and-heel direction of the head body.

Claims

1. A hollow golf club head comprising:

a hollow head body;

a weight member attached to a sole portion said head body; and

fixing means for fixing said weight member at any one of a plurality of attachment positions of said sole portion so that a golfer can change a position of said weight member,

wherein the plurality of attachment positions are located on a straight line included in a plane,

the plane includes a center-of-gravity position of said head body without said weight member attached thereto and is perpendicular to a toe-and-heel direction of said head body,

said head further comprises a rail portion which is formed along the straight line in said sole portion of said head body and defines the plurality of attachment positions,

said fixing means fixes said weight member at a given position on said rail portion,

said head body comprises

an opening in a back-side part thereof, and

a closing member closing the opening, and

said closing member comprises a wall portion to close a back-side end portion to the rail portion.

2. The head according to claim 1, wherein said closing member is detachably attached to the opening.