IP Library › Granted Patent US 7,285,057
Granted Patent B2
US 7,285,057 · App. 11/374,759 · Granted Oct 23, 2007

Variable scoreline golf club groove configuration

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Quick Facts
Patent No.
US 7,285,057
App. No.
11/374,759
Granted
Oct 23, 2007
Kind
B2
Abstract

A golf club head having a toe portion, a heal portion and a club front intended striking face with a plurality of substantially parallel grooves formed in the face and extending horizontally between the toe portion and the heel portion. Each groove has a groove width such that the groove width increases from a center portion of the face towards the toe portion and the heel portion.

Claims (12)

1. A golf club head comprising:

a toe portion;

a heel portion;

a club front intended striking face; and

a plurality of substantially parallel grooves formed in the club face and extending horizontally between the toe portion and the heel portion, each groove having a groove width;

wherein the groove width increases from a center portion of the club face towards the toe portion and the heel portion.

2. The golf club head of claim 1 , wherein a groove width measured at a center portion of the club face is about 5% to about 50% less than a groove width measured at the toe portion or the heel portion of the club face.

3. The golf club head of claim 1 , each groove further having a groove depth, wherein the groove depth increases from a center portion of the club face towards the toe portion and the heel portion.

4. The golf club head of claim 1 , wherein each of the plurality of grooves has a V-shaped cross-section.

5. The golf club head of claim 4 , further comprising a centerline spacing measured between adjacent grooves, wherein the centerline spacing is within a range of about 0.05 inches to about 0.300 inches.

6. The golf club head of claim 4 , wherein the groove width is within a range of about 0.01 inches to about 0.05 inches.

7. The golf club head of claim 4 , each groove further having a groove depth, wherein the groove depth is within a range of about 0.005 inches to about 0.04 inches.