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US 11,957,962 B2Granted
Grooves of golf club heads and methods to manufacture grooves of golf club heads
AssigneeKarsten Manufacturing Corporation
InventorsAnthony D. Serrano, Paul D. Wood, Bradley D. Schweigert, Calvin S. Wang, John A. Solheim
Life of this patent
Estimating the term…
Abstract
A golf club head including a club face defined by a toe end, a heel end, a top rail and a sole. The golf club head including a plurality of grooves disposed on the club face between the top rail and the sole. Each groove extends between the toe end and the heel end. Widths of the grooves vary in a direction extending between the heel end and the toe end.
Claims13
A putter type golf club head comprising:
- a putter club face defined by a toe end, a heel end, a top rail and a sole;
- and
- a plurality of grooves disposed on the putter club face between the top rail and the sole, each of the plurality of grooves extending between the heel end and the toe end, and each of the plurality of grooves including a top edge and a bottom edge;
- wherein a width of each groove is measured from the top edge to the bottom edge;
- wherein the width of the plurality of grooves decreases in a direction extending from a center portion to the toe end and in a direction extending from the center portion to the heel end;
- wherein a deepest portion of at least one groove is defined by a planar bottom surface portion of the groove when viewed in a horizontal cross section extending from the heel end to the toe end;
- wherein the putter type golf club head comprises a loft angle less than 7 degrees;
- and
- wherein a depth of a portion of the plurality of grooves is about 0.003 inch.
6 more elements
A putter type golf club head comprising:
- a putter club face defined by a toe end, a heel end, a top rail and a sole;
- a plurality of grooves disposed on the putter club face between the top rail and the sole, each of the plurality of grooves extending between the heel end and the toe end;
- and
- a plurality of land portions extending between the plurality of grooves configured to contact a golf ball during impact;
- wherein a width of each groove is measured in a direction extending from the top rail to the sole;
- wherein the width of the plurality of grooves decreases in a direction extending from a center portion to the toe end and in a direction extending from the center portion to the heel end;
- wherein a width of each land portion is measured in a direction extending from the top rail to the sole;
- wherein the width of the plurality of land portions varies in a direction extending from the toe end to the heel end;
- wherein a deepest portion of at least one groove is defined by a planar bottom surface portion of the groove when viewed in a horizontal cross section extending from the heel end to the toe end;
- wherein the putter type club head has a loft angle less than 7 degrees;
- and
- wherein a depth of a portion of the plurality of grooves is about 0.003 inch.
9 more elements
A putter type golf club head comprising:
- a putter club face on a body portion comprising grooves extending from a center portion of the putter club face toward a heel end and from the center portion of the putter club face toward a toe end, and land portions positioned between the grooves, wherein:
- a width of the grooves extends in a top rail to sole direction;
- the width of the grooves decreases from the center portion toward the heel end;
- the width of the grooves decreases from the center portion toward the toe end;
- a width of the land portions extends in a top rail to sole direction;
- the width of the land portions increases from the center portion toward the heel end;
- the width of the land portions increases from the center portion toward the toe end;
- wherein a deepest portion of at least one groove is defined by a planar bottom surface portion of the groove when viewed in a horizontal cross section extending from the heel end to the toe end;
- wherein the putter type club head has a loft angle less than 7 degrees;
- and
- wherein a depth of a portion of the grooves is about 0.003 inch.
8 more elements
Dependencies are inferred from the claim text.