IP Library Granted Patent US 7,686,706
Granted Patent B2
US 7,686,706 · App. 12/106,490 · Granted Mar 30, 2010

Golf club head

Assignee: Bridgestone Sports Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,686,706
App. No.
12/106,490
Granted
Mar 30, 2010
Kind
B2
Abstract

This invention provides a golf club head including a head main body, a face plate and a hollow portion. The head main body includes an opening in a face portion, and the opening is provided with a plurality of pawls to receive the face plate which is to fit in the opening. The pawls include a large pawl and a small pawl. The large pawl is arranged in each of a heel-side upper portion and a toe-side lower portion and the small pawl is arranged in at least either one of a heel-side lower portion and a toe-side upper portion when the opening is divided into four vertically and horizontally about a face center as the center. The face plate is fitted in the opening and fixed by welding.

Claims (31)

1. A golf club head comprising a head main body, a face plate including a striking face and a hollow portion, wherein

said head main body includes an opening in a face portion,

said opening is provided with a plurality of pawls to receive said face plate which is to fit in said opening,

said pawls include a large pawl and a small pawl which contact to said face plate on a back side of said striking face, said large pawl being arranged in each of a heel-side upper portion and a toe-side lower portion and said small pawl being arranged in at least either one of a heel-side lower portion and a toe-side upper portion when said opening is divided into four vertically and horizontally about a face center as the center, and

said face plate is fitted in said opening and fixed by welding.

2. The head according to claim 1 , wherein

said head main body includes a crown portion, a sole portion and a side portion,

said small pawl is arranged in at least the toe-side upper portion, and

said small pawl in the toe-side upper portion is arranged on said side portion.

3. The head according to claim 1 , wherein

said head main body includes a crown portion, a sole portion and a side portion,

said small pawl is arranged in at least the heel-side lower portion, and

said small pawl in the heel-side lower portion is arranged on said side portion.

4. The head according to claim 1 , wherein said face plate is made of a metal having a Young's modulus lower than that of said head main body.

5. A golf club head comprising a head main body, a face plate including a striking face and a hollow portion, wherein

said head main body includes an opening in a face portion,

said opening is provided with a plurality of pawls to receive said face plate which is to fit in said opening,

said pawls contact to said face plate on a back side of said striking face,

said pawls are arranged on a heel-side upper portion and a toe-side lower portion and not on a heel-side lower portion and a toe-side upper portion when said opening is divided into four vertically and horizontally about a face center as the center, and

said face plate is fitted in said opening and fixed by welding.

6. The head according to claim 5 , wherein

said opening includes a notch on said toe-side upper portion on a crown portion side and/or said heel-side lower portion on a sole portion side,

said face plate forms an extending portion at an upper end and/or lower end thereof to fit with said notch, and

said face plate is fitted in said opening by abutting an end face of said extending portion against a thickness of said crown portion and/or a thickness of said sole portion.

7. The head according to claim 5 , wherein said face plate is made of a metal having a Young's modulus lower than that of said head main body.

8. A golf club comprising:

a shaft; and

a golf club head according to claim 1 attached to said shaft.

9. A golf club comprising:

a shaft; and

a golf club head according to claim 5 attached to said shaft.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 11, 2008
From: MATSUNAGA, HIDEO; KUBOTA, MAKOTO; HIRUTA, MASAOMI
To: BRIDGESTONE SPORTS CO., LTD.
Reel/Frame 021225/0925 →
Priority Claims (1)
JP 2007-111542 · Apr 20, 2007 · national
Continuity (1)
Related Publication 20080261720A1 · Oct 23, 2008