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US 6,582,322 B2Granted
Golf club head with multi-radius face
AssigneeAcushnet Company
InventorsD. Clayton Long, G. Thomas Mase
Life of this patent
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Abstract
A metal wood golf club head adapted for attachment to a shaft is disclosed, including a shell defining an inner cavity and further including a face. The face of the club head has at least two roll radii disposed adjacent each other and defined about an alignment line on the face that extends from the heel end to the toe end. The roll radius above the alignment line is smaller than the roll radius below the alignment line. The face may also include multiple bulge radii.
Claims7
A method of forming a metal wood golf club head, comprising the steps of:
- forming a shell defining an inner cavity and further including a face having a horizontal center line that extends from a heel end to a toe end, the horizontal center line defining an upper portion and a lower portion;
- forming the upper portion of the face with a roll radius that is smaller than a roll radius of the lower portion of the face;
- and
- forming the lower portion of the face with a roll radius between about 8 inches and 16 inches;
- wherein the step of forming the upper portion includes forming the upper portion of the face with a roll radius that is less than about seventy percent of the roll radius of the lower portion of the face.
2 more elements
Dependencies are inferred from the claim text.