Putter heads and putters including polymeric material as part of the ball striking face

• US 8,062,146 B2
• Filed: 03/09/2010
• Issued: 11/22/2011
• Est. Priority Date: 05/19/2008
• Status: Active Grant

• Current Assignee: Karsten Manufacturing Corporation
• Original Assignee: Nike, Inc.
• Inventors: Franklin, David N., Stites, John T.
• Primary Examiner(s): Passaniti; Sebastiano
• Application Number:
  US12/720,623
• Publication Number:
  US 20100167835A1
• Time in Patent Office: 623 Days
• Field of Search: 473324-350, 473/238, 473/242, 473251-255, 473287-292, D21/750, D21/751
• US Class Current: 473/251
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 2209/00 Characteristics of used materials
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/042 the face insert consisting of a material different from that of the head
• CPC Class Codes: A63B 53/0425 the face insert comprising two or more different materials
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0441 with visual indicators for aligning the golf club
• CPC Class Codes: A63B 53/0445 Details of grooves or the like on the impact surface
• CPC Class Codes: A63B 53/047 iron-type
• CPC Class Codes: A63B 53/0487 for putters A63B53/065 takes precedence
• CPC Class Codes: A63B 60/02 Ballast means for adjusting the centre of mass A63B60/24, A63B60/54 take precedence
• CPC Class Codes: A63B 60/54 with means for damping vibrations

Abstract

Putters include a putter body having a ball striking face member made of a material having a first hardness characteristic. A cavity is defined in the putter body behind the ball striking face member, and plural openings are defined in the ball striking face member extending rearward with respect to the ball striking face member and into the cavity. A polymeric material at least partially fills the openings and the cavity, wherein the polymeric material has a second hardness characteristic that is softer than the first hardness characteristic. The ball striking face member and the polymeric material exposed in at least some of the openings provide a ball striking surface of the putter. The ball striking surface may include grooves or scorelines to affect the launch angle, spin, and/or roll of the ball during a putt. Methods for making such putter devices also are described.

Claims

1. A putter head, comprising:

a putter body including a ball striking face, a top, and a bottom, wherein an exposed ball striking surface at a central portion of the ball striking face between the top and the bottom includes polymeric material and metal material, and wherein a top-to-bottom cross section of the exposed ball striking surface at the central portion of the ball striking face has a structure that includes alternating polymeric material and metal material and a plurality of grooves including;

(a) a first groove defining a first recess in the exposed ball striking surface, wherein, in the cross section, a first edge of the first groove constitutes metal material and a second edge of the first groove opposite the first edge constitutes polymeric material;

(b) a second groove defining a second recess in the exposed ball striking surface closer to the top than the first groove, wherein, in the cross section, a first edge of the second groove constitutes metal material and a second edge of the second groove opposite the first edge constitutes polymeric material; and

(c) a third groove defining a third recess in the exposed ball striking surface closer to the top than the second groove, wherein, in the cross section, a first edge of the third groove constitutes metal material and a second edge of the third groove opposite the first edge constitutes polymeric material.

2. A putter head according to claim 1, wherein the first, second, and third grooves extend in a parallel manner across the central portion of the ball striking surface.

3. A putter head according to claim 2, wherein the top-to-bottom cross section of the central portion of the ball striking face further includes a fourth groove defining a fourth recess in the exposed ball striking surface closer to the top than the third groove, wherein, in the cross section, a first edge of the fourth groove constitutes metal material and a second edge of the fourth groove opposite the first edge constitutes polymeric material, and wherein the fourth groove extends in parallel with the first, second, and third grooves.

4. A putter head according to claim 2, wherein, when the putter head is oriented in a ball address orientation, the first edge of the first groove is located below the second edge of the first groove, the first edge of the second groove is located below the second edge of the second groove, and the first edge of the third groove is located below the second edge of the third groove.

5. A putter head according to claim 1, wherein the polymeric material is softer than the metal material.

6. A putter head according to claim 1, wherein the putter body constitutes a blade type putter body.

7. A putter head according to claim 1, wherein the putter body constitutes a mallet type putter body.

8. A putter head according to claim 1, wherein the top-to-bottom cross section of the central portion of the ball striking face further includes a fourth groove defining a fourth recess in the exposed ball striking surface closer to the top than the third groove, and wherein, in the cross section, a first edge of the fourth groove constitutes metal material and a second edge of the fourth groove opposite the first edge constitutes polymeric material.

9. A putter head according to claim 8, wherein, when the putter head is oriented in a ball address orientation, the first edge of the first groove is located below the second edge of the first groove, the first edge of the second groove is located below the second edge of the second groove, the first edge of the third groove is located below the second edge of the third groove, and the first edge of the fourth groove is located below the second edge of the fourth groove.

10. A putter head according to claim 1, wherein, when the putter head is oriented in a ball address orientation, the first edge of the first groove is located below the second edge of the first groove, the first edge of the second groove is located below the second edge of the second groove, and the first edge of the third groove is located below the second edge of the third groove.

11. A putter, comprising:

a putter body including a ball striking face, a top, and a bottom, wherein an exposed ball striking surface at a central portion of the ball striking face between the top and the bottom includes polymeric material and metal material, and wherein a top-to-bottom cross section of the exposed ball striking surface at the central portion of the ball striking face has a structure that includes alternating polymeric material and metal material and a plurality of grooves including;

(a) a first groove defining a first recess in the exposed ball striking surface, wherein, in the cross section, a first edge of the first groove constitutes metal material and a second edge of the first groove opposite the first edge constitutes polymeric material,

(b) a second groove defining a second recess in the exposed ball striking surface closer to the top than the first groove, wherein, in the cross section, a first edge of the second groove constitutes metal material and a second edge of the second groove opposite the first edge constitutes polymeric material, and

(c) a third groove defining a third recess in the exposed ball striking surface closer to the top than the second groove, wherein, in the cross section, a first edge of the third groove constitutes metal material and a second edge of the third groove opposite the first edge constitutes polymeric material; and

a shaft member engaged with the putter body.

12. A putter according to claim 11, wherein, when the putter body is oriented in a ball address orientation, the first edge of the first groove is located below the second edge of the first groove, the first edge of the second groove is located below the second edge of the second groove, and the first edge of the third groove is located below the second edge of the third groove.

13. A putter according to claim 11, wherein the first, second, and third grooves extend in a parallel manner across the central portion of the ball striking surface.

14. A putter according to claim 13, wherein the top-to-bottom cross section of the central portion of the ball striking face further includes a fourth groove defining a fourth recess in the exposed ball striking surface closer to the top than the third groove, wherein, in the cross section, a first edge of the fourth groove constitutes metal material and a second edge of the fourth groove opposite the first edge constitutes polymeric material, and wherein the fourth groove extends in parallel with the first, second, and third grooves.

15. A putter according to claim 13, wherein, when the putter body is oriented in a ball address orientation, the first edge of the first groove is located below the second edge of the first groove, the first edge of the second groove is located below the second edge of the second groove, and the first edge of the third groove is located below the second edge of the third groove.

16. A putter according to claim 11, wherein the polymeric material is softer than the metal material.

17. A putter according to claim 11, wherein the putter body constitutes a blade type putter body.

18. A putter according to claim 11, wherein the putter body constitutes a mallet type putter body.

19. A putter according to claim 11, wherein the top-to-bottom cross section of the central portion of the ball striking face further includes a fourth groove defining a fourth recess in the exposed ball striking surface closer to the top than the third groove, and wherein, in the cross section, a first edge of the fourth groove constitutes metal material and a second edge of the fourth groove opposite the first edge constitutes polymeric material.

20. A putter according to claim 19, wherein, when the putter body is oriented in a ball address orientation, the first edge of the first groove is located below the second edge of the first groove, the first edge of the second groove is located below the second edge of the second groove, the first edge of the third groove is located below the second edge of the third groove, and the first edge of the fourth groove is located below the second edge of the fourth groove.