Golf club head
US6572491B2 · kind B2 · utility
108Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2001 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Mar 13, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head having a hollow construction, including a bar-like gravity adjusting piece (4) which extends longitudinally from a toe (7) towards a heel (8), or vice versa, of the head and is secured directly on an inner surface of a sole portion (2) in a position nearer to a front face (3) or wherein a forward half area (F) of the sole portion (2) as viewed from above, that is nearer to a face member (3′) of the head, has a thickness two or more times greater in at least a portion thereof than an average thickness of a rearward half area (R) of the sole portion, that is nearer to a back side (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.