GOLF CLUB HEAD

• US 20130303304A1
• Filed: 03/12/2013
• Published: 11/14/2013
• Est. Priority Date: 05/10/2012
• Status: Active Grant

• Current Assignee: Bridgestone Sports Co Limited (Bridgestone Corporation)
• Original Assignee: Bridgestone Sports Co Limited (Bridgestone Corporation)
• Inventors: SATO, Fumiaki
• Granted Patent: US 8,926,449 B2
• Time in Patent Office: Days
• US Class Current: 473/338
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/06 adjustable
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like

Abstract

According to an aspect of this invention, a golf club head includes: a head main body; and a weight material detachably mounted in a weight material mounting portion in the head main body, an external screw thread on the weight material meshing with an internal screw thread in the weight material mounting portion, wherein: the weight material comprises a head portion having the external screw thread and a rod portion which projects from the head portion; and the internal screw thread is provided on an entrance side and a cylindrical portion is provided on a deeper side for engagement with the rod portion in the weight material mounting portion.

Claims

1. A golf club head comprising:

a head main body; and

a weight material detachably mounted in a weight material mounting portion in the head main body, an external screw thread on the weight material meshing with an internal screw thread in the weight material mounting portion, wherein;

the weight material comprises a head portion having the external screw thread and a rod portion which projects from the head portion; and

the internal screw thread is provided on an entrance side and a cylindrical portion is provided on a deeper side for engagement with the rod portion in the weight material mounting portion.

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

the rod portion is rotatable relative to the head portion.

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

a part, having a different specific weight, is detachably attached to the weight material.

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

the weight material is mounted in a sole portion of the golf club head in an inclined direction.