Spin milled grooves for a golf club
US7273422B2 · kind B2 · utility
66Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | Mar 8, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49996
- WIPO fieldFurniture, games
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.