Hollow golf club head
US7798915B2 · kind B2 · utility
27Cited by
21References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2005 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Aug 18, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0437
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
This invention provides a hollow golf club head in which the ratio of the average thickness of a sole portion to that of a crown portion is 1:0.3 to 0.8. At least two regions having thicknesses different from each other are formed on the crown portion, and the area of the thinnest region of the regions having thicknesses different from each other in the crown portion is larger than that of the thickest region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.