Golf club head
US7438649B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2005 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Nov 3, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/023
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head is formed from a front-face body made of a metal material, an FRP body, a metal sole plate, and a weight member. The front-face body is formed from a front-face body main body made of a crystalline metal, and a face plate which is fitted in an opening of the front-face body main body and fixedly attached thereto by means of caulking and which is made of an amorphous metal. The front-face body main body includes a face, a metal sole, a metal side portion (toe), a metal crown portion, a metal side portion (heel), and a hosel. A front edge of the sole plate and the metal sole are separated with a gap of about 4 to 12 mm therebetween, which forms the FRP body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.