Hollow golf club head
US7513836B2 · kind B2 · utility
28Cited by
19References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Aug 19, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/00
- 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. Preferably, a crown thin-walled region is formed on the face side of the crown portion, and a crown thick-walled region is formed on the back side of the crown portion. The ratio of the average thickness of the crown thick-walled region to that of the crown thin-walled region is 1:0.5 to 0.9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.