Golf clubhead with multi-material soleplate

• US 5,316,305 A
• Filed: 07/02/1992
• Issued: 05/31/1994
• Est. Priority Date: 07/02/1992
• Status: Expired due to Term

• Current Assignee: Wilson Sporting Goods Company (Anta International Group Holdings Ltd.)
• Original Assignee: Wilson Sporting Goods Company (Anta International Group Holdings Ltd.)
• Inventors: McCabe, Terrill R.
• Primary Examiner(s): Millin, Vincent
• Assistant Examiner(s): Chiu, Raleigh W.
• Application Number:
  US07/907,677
• Time in Patent Office: 698 Days
• Field of Search: 273/167 R, 273/167 A, 273/167 F, 273/169, 273/171, 273/172, 273/173, 273/174, 273/167 H
• US Class Current: 473/332
• 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 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: A63B 60/54 with means for damping vibrations

Abstract

A metal wood golf clubhead includes a soleplate which is provided with an upwardly extending cavity. An insert of dampening material is positioned in the cavity, and a cover is positioned in the cavity below the insert.

Claims

1. A wood-type golf clubhead having a sole, a front face, a top wall which extends rearwardly from the face, and a side wall which extends between the top wall and the sole, the sole having a cavity formed therein which is formed by a side wall which extends upwardly from the sole and a top wall, a projection extending downwardly from the top wall of the cavity, an insert of dampening material positioned in the cavity and surrounding the projection, and a cover attached to the projection below the insert.

2. The clubhead of claim 1 in which the projection is tubular and the cover includes a post which extends into the projection.

3. The clubhead of claim 1 in which the sole, side wall of the cavity, top wall of the cavity, and the projection are integral.

4. The clubhead of claim 3 in which the cover is formed from plastic.

5. A metal wood golf clubhead comprising a thin-walled metal body having a sole, a front face, a top wall which extends rearwardly from the face, and a side wall which extends between the top wall and the sole, the sole having a cavity formed therein, a polyurethane insert of dampening material positioned in the cavity, and a plastic cover which extends over the insert in the cavity.

6. A metal wood golf clubhead comprising a thin-walled metal body having a sole, a front face, a top wall which extends rearwardly from the face, and a side wall which extends between the top wall and the sole, the sole having a cavity formed therein, an EVA insert of dampening material positioned in the cavity, and a plastic cover which extends over the insert in the cavity.

7. A metal wood golf clubhead comprising a thin-walled metal body having a sole including a soleplate, a front face, a top wall which extends rearwardly from the face, and a side wall which extends between the top wall and the sole, the soleplate having a cavity formed therein, the cavity being formed by a side wall which extends upwardly from the soleplate and a top wall, the soleplate, side wall of the cavity, and top wall of the cavity being investment cast in a single piece of metal, and an insert of dampening material positioned in the cavity.

8. The clubhead of claim 7 in which the insert is formed from material selected from the group of dampening material consisting of polyurethane, EVA, rubber, and silicone.

9. The clubhead of claim 7 in which a cover is positioned in the cavity below the insert.