Golf club head
US7500924B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 6, 2006 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Oct 6, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0458
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A hollow golf club head comprises a face portion whose front face defines a club face for striking a golf ball, a sole portion intersecting the club face at the lower edge thereof, at least one groove being provided on an outer surface of the sole portion, the groove extending in a v-shaped formation whose corner portion is smoothly bended and protrudes toward a leading edge of the head, the groove having a ratio (W/L) of a length w in its front-rear direction to a length L in its toe-heel direction being from 0.20 to 1.50 at least partially, and a distance between the leading edge and the corner of the groove being in the range. of from 5 to 30 mm in the front-rear direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.