Golf club head and golf club
US8585511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2010 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Apr 3, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/023
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head includes: a head main body formed with a hosel column inserting hole; a hosel column which is formed with a shaft inserting hole and is installed on the hosel column inserting hole; a bolt inserting hole penetrating from a sole side of the head main body to the hosel column inserting hole; and a bolt which is inserted into the bolt inserting hole and is screwed into the hosel column, wherein: the hosel column includes a trunk portion provided with a shaft inserting hole, and a leg portion which protrudes from a lower end surface of the trunk portion and is inserted into the hosel column inserting hole; and at least a lower end side of the leg portion and an inner portion of the hosel column inserting hole are polygonal sectional shape portions and are engaged with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.