Golf club

• US 5,628,697 A
• Filed: 11/17/1995
• Issued: 05/13/1997
• Est. Priority Date: 11/17/1995
• Status: Expired due to Term

• Current Assignee: Christopher L. Gamble
• Original Assignee: Christopher L. Gamble
• Inventors: Gamble, Christopher L.
• Primary Examiner(s): Graham, Mark S.
• Application Number:
  US08/560,528
• Time in Patent Office: 543 Days
• Field of Search: 273/170, 273/72 R, 273/72 A, 273/73, 473/324, 473/326, 473/332, 473/333
• US Class Current: 473/326
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 2053/0495 moving on impact, slidable, spring or otherwise elastically biased
• CPC Class Codes: A63B 21/0602 Fluids, e.g. water
• CPC Class Codes: A63B 21/0603 Fluid-like particles, e.g. gun shot or sand
• 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 53/0466 wood-type
• CPC Class Codes: A63B 53/06 adjustable
• CPC Class Codes: A63B 53/08 with special arrangements for obtaining a variable impact
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like

Abstract

A golf club having a head defining a recess which receives an insert containing a fluid such as mercury or an oil or silicon having metallic beads suspended therein. In a preferred embodiment, the insert has a conical projection and cover which define the fluid chamber and which define an annulus on the club head face.

Claims

1. In a golf club having a club head and an attached shaft, the club head having a rear and a face, a sole and a top, the improvement comprising:

(a) a projection extending rearwardly from the club face within a recess in the club head;

(b) a cap extending about said projection and defining an annular chamber area with said projection rearwardly of the face; and

(c) a fluid in said annular chamber, said fluid is a fluid having a high specific gravity.

2. The golf club of claim 1 wherein said fluid is mercury.

3. The golf club of claim 1 wherein said fluid is a viscous oil.

4. The golf club of claim 1 wherein said fluid contains a plurality of metallic beads.

5. The golf club of claim 1 wherein said club face includes a face plate which with said projection and cap form an integral insert positionable in said recess in said club head.

6. The golf club of claim 1 wherein said cap includes a rearwardly extending section and wherein said section has a removable plug located at the rear of the club head.

7. The golf club of claim 1 wherein said recess defines a generally hollow club head interior.

8. The golf club of claim 1 wherein said club head is metal.

9. The golf club of claim 1 wherein said club head is wooden.

10. The golf club of claim 1 wherein said projection and cap are generally conical.