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
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.
대표청구항▼
1. A golf club head, comprising: a body including: a ball striking face,a cavity defined in the body at a location behind the ball striking face,an opening at a surface of the body other than the ball striking face, wherein the opening opens into the cavity, and wherein the cavity has a width and th
1. A golf club head, comprising: a body including: a ball striking face,a cavity defined in the body at a location behind the ball striking face,an opening at a surface of the body other than the ball striking face, wherein the opening opens into the cavity, and wherein the cavity has a width and the opening has a width that generally coincides with the width of the cavity, anda slot intersecting the cavity and extending in a direction away from the cavity, wherein the slot is separate from the opening, wherein the slot extends to and opens at the ball striking face, and wherein the slot is elongated in a direction extending across the ball striking face; anda polymeric material provided in and filling the cavity. 2. A golf club head according to claim 1, wherein the polymeric material at least partially fills the slot. 3. A golf club head according to claim 1, wherein the body constitutes a one-piece body part in which the cavity, the opening, and the slot are defined. 4. A golf club head according to claim 3, wherein the polymeric material at least partially fills the slot. 5. A golf club head according to claim 3, wherein the polymeric material extends to the ball striking face and at least partially fills the slot. 6. A golf club head according to claim 1, wherein the opening extends in a heel-to-toe direction of the body for a length in a range of 5%-95% of a heel-to-toe length dimension of the body at a location of the opening. 7. A golf club head according to claim 1, wherein the opening extends in a heel-to-toe direction of the body for a length in a range of 15%-85% of a heel-to-toe length dimension of the body at a location of the opening. 8. A golf club head according to claim 1, wherein the opening extends in a heel-to-toe direction of the body for a length in a range of 25%-75% of a heel-to-toe length dimension of the body at a location of the opening. 9. A golf club head according to claim 1, wherein the opening is provided at a bottom surface of the body. 10. A golf club head according to claim 9, wherein the body defines an external surface remote from the bottom surface, the external surface having a second opening therein, the second opening being in communication with the cavity, and wherein the polymeric member is exposed at the second opening. 11. A golf club head according to claim 10, wherein the external surface is a top surface of the body. 12. A golf club head according to claim 1, wherein the opening is provided at a top surface of the body. 13. A golf club head according to claim 12, wherein the polymeric material is exposed at the top surface of the body. 14. A golf club head according to claim 1, wherein the slot extends away from the cavity in a direction transverse to the ball striking face. 15. A golf club head according to claim 1, wherein the cavity has a closed end located within the body. 16. A golf club head according to claim 1, wherein the cavity extends into the body in a top-to-bottom direction for a height ranging from 50-95% of an overall golf club head height at a location of the cavity. 17. A golf club head according to claim 1, wherein an interior wall of the cavity is generally parallel to the ball striking face. 18. A golf club head according to claim 1, wherein the polymeric material is a material selected from the group of: a thermoplastic polymeric material, a thermosetting polymeric material, a polyurethane material, a vinyl material, a nylon material, a polyether material and a polybutylene terephthalate material. 19. A golf club head according to claim 1, wherein the opening is generally in alignment with the cavity. 20. A golf club head according to claim 1, wherein at least some portion of the cavity is located 0.25 inch to 2 inches rearward from the ball striking face. 21. A golf club head according to claim 1, wherein at least some portion of the cavity is located 0.25 inch to 1 inch rearward from the ball striking face.
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Snyder, Jeremy N.; Stites, John T.; David, N. Franklin; Rahrig, Donald S., Putter heads and putters including polymeric material as part of the ball striking face.
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