Golf club head
US7303487B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2005 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | Oct 4, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head having face, crown, sole and side portions, and comprising a metal head base body (M) having at least one opening and a cover (FR) arranged in the opening and made of a material having a specific gravity smaller than the base body, wherein when the head is sectioned into head toe side portion (1t) and head heel side portion (1h) by a vertical plane including a normal line drawn from a head center of gravity to a face surface, the surface area of The cover covering a portion of the opening included in the head toe side portion is larger Than the surface area of the cover covering a portion of The opening included in the head heel side portion, and the weight of the head heel side portion (1h) is from 55 to 75% of the entire weight of the head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.