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US 8,696,492 B1Granted
Putter face insert
AssigneeCallaway Golf Company
InventorsAlan Hocknell, Craig E. Abbott, Augustin W. Rollinson
Life of this patent
Estimating the term…
Abstract
A putter-type golf club head having a face insert comprising a metal sheet and a urethane backing is disclosed herein. The metal sheet, which makes contact with a golf ball during use, includes a plurality of oval-shaped holes extending through the entire thickness of the sheet and having a specific size and spacing, and the urethane backing has a hardness that optimizes performance of the face insert, and thus the putter.
Claims15
A golf club face insert comprising:
- a sheet comprising a front surface, a back surface, and a plurality of holes extending through the sheet from the front surface to the back surface;
- and
- a backing composed of a polymer material,
- wherein the sheet is permanently attached to the polymer backing,
- wherein each of the holes has an oval shape, and
- wherein each of the plurality of holes has a width of 0.150 inch to 0.200 inch and a height of 0.020 to 0.060 inch.
3 more elements
A golf club head comprising:
- a body comprising a top surface, a bottom surface, a heel side, a toe side, and a face recess;
- and
- a face insert comprising a sheet and a urethane backing,
- wherein the sheet comprises a plurality of holes that extend from a front surface to a back surface of the sheet,
- wherein each of the plurality of holes has an oval shape,
- wherein each of the plurality of holes has a width of 0.150 inch to 0.200 inch and a height of 0.020 to 0.060 inch,
- wherein the face insert is sized to fit within the face recess, and
- wherein the face insert is secured within the face recess with an adhesive material.
5 more elements
A putter comprising:
- a head comprising a top surface, a bottom surface, a heel end, a toe end, and a face comprising a face recess;
- a face insert comprising a metal sheet having a plurality of oval-shaped holes that extend completely through the sheet and a urethane backing having a hardness of Shore 42D;
- and
- a shaft,
- wherein each of the plurality of holes has a width of 0.150 inch to 0.200 inch and a height of 0.020 to 0.060 inch,
- wherein each of the plurality of holes is spaced horizontally from neighboring holes by 0.01 to 0.03 inch,
- wherein each of the plurality of holes is spaced vertically from neighboring holes by 0.005 to 0.011 inch,
- wherein the metal sheet is affixed to the urethane backing with an adhesive material,
- wherein the face insert is sized to fit within the face recess,
- wherein the face insert is retained within the face recess with an adhesive material,
- wherein the metal sheet has a thickness of no less than 0.007 inch and no more than 0.016 inch, and
- wherein the urethane backing has a thickness of no less than 0.100 inch and no more than 0.300 inch.
9 more elements
Dependencies are inferred from the claim text.