Spin milled grooves for a golf club
First Claim
1. A golf club head, comprising a face with a striking surface with grooves formed therein, said grooves including at least one groove having both an overall distance and a maximum depth distance that is at least 0.25 inch shorter than the overall distance, wherein the grooves contain longitudinal axes and the grooves are radiused at toe and heel portions of the golf club head about axes of rotation that are perpendicular to the longitudinal axes.
6 Assignments
0 Petitions
Accused Products
Abstract
The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra.
86 Citations
14 Claims
- 1. A golf club head, comprising a face with a striking surface with grooves formed therein, said grooves including at least one groove having both an overall distance and a maximum depth distance that is at least 0.25 inch shorter than the overall distance, wherein the grooves contain longitudinal axes and the grooves are radiused at toe and heel portions of the golf club head about axes of rotation that are perpendicular to the longitudinal axes.
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6. A golf club head, comprising a body having a strike face with grooves formed therein, said grooves having a draft angle from about 0.5°
- to 12°
, said strike face including an area in the proximity of said grooves having a substantially uniform textured surface with a roughness greater than 40 Ra, wherein at least one of said grooves has a longitudinal axis and is radiused at toe and heel portions thereof about an axis of rotation that is perpendicular to the longitudinal axis. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
- to 12°
Specification