Golf club head

• US 5,090,702 A
• Filed: 01/31/1991
• Issued: 02/25/1992
• Est. Priority Date: 01/31/1990
• Status: Expired due to Fees

• Current Assignee: Taylor Made Golf Co., Inc.
• Original Assignee: Taylor Made Company Incorporated
• Inventors: Viste, Claude
• Primary Examiner(s): Marlo, George J.
• Application Number:
  US07/648,842
• Time in Patent Office: 390 Days
• Field of Search: 273/167 H, 273/78, 273/175, 273/169, 273/173, 273/174, 273/167 R, 273/167 F, 273/167 J
• US Class Current: 473/331
• 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 53/0445 Details of grooves or the like on the impact surface
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/047 iron-type
• CPC Class Codes: A63B 53/0487 for putters A63B53/065 takes precedence
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like

Abstract

A golf club head comprising a shell (4) and a striking plate (3) having a ball-striking face (7) provided with external grooves (8a) and an internal face (9) provided with internal grooves (8b).

Claims

1. A golf club head comprising a shell (4) and a striking plate (3) of a metal material suitable for forging or swaging, said striking plate having a ball-striking face (7) provided with external grooves (8a) and an internal face (9) provided with internal grooves (8b).

2. A golf club head according to claim 1, wherein said striking plate (3) is fitted to said shell (4) of said club head.

3. A golf club head according to claim 2, wherein said striking plate (3) is made of steel.

4. A golf club head according to claim 1, wherein said external grooves (8a) of said striking face (7) have a succession of concave profiles, each concave profile having a general axis of symmetry XX'"'"'.

5. A golf club head according to claim 4, wherein said axes of symmetry XX'"'"' of said external grooves (8a) of said striking face (7) are parallel.

6. A golf club head according to claim 5, wherein said external grooves (8a) of said striking face (7) are continuous.

7. A golf club head according to claim 5, wherein said external grooves (8a) of said striking face (7) are discontinuous.

8. A golf club head according to claim 1, wherein said internal grooves (8b) of said internal face (9) have a succession of concave profiles, each profile having a general axis of symmetry YY'"'"'.

9. A golf club head according to claim 8, wherein said axes of symmetry YY'"'"' of said internal grooves (8b) of said internal face (9) are parallel.

10. A golf club head according to claim 9, wherein said axes of symmetry YY'"'"' of said internal grooves (8b) are parallel to said axes of symmetry XX'"'"' of said external grooves (8a).

11. A golf club head according to claim 8, wherein said internal grooves (8b) of said internal face (9) have their axes of symmetry YY'"'"' offset substantially by one half pitch with respect to axes XX'"'"' of said external grooves (8a).

12. A golf club head according to claim 8, wherein said internal grooves (8b) of said internal face (9) are continuous.

13. A golf club head according to claim 8, wherein said internal grooves (8b) of said internal face (9) are discontinuous.