Golf club
US7775906B2 · kind B2 · utility
26Cited by
42References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 18, 2007 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Sep 17, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2053/0491
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club has a shaft, and a head of a hollow structure fixed to an end of the shaft to be set to have a predetermined lie angle and a predetermined loft angle with respect to a reference horizontal plane. The head has a face portion which includes a ball hitting surface by which a ball is hit, a crown portion, a side portion, and a sole portion. A rib is provided at a part, which is lower than a central part of the face portion, on an inner surface of the face portion to protrude toward the center of the head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.