Butt-mounted shaft extension for a golf club
US8740720B2 · kind B2 · utility
6Cited by
53References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2012 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Dec 20, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B60/28
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A device designed for extending a golf club shaft. The device is a three-piece mechanism with a bottom piece bonded into the top end of a tubular golf club shaft, and a plurality of top piece sizes that are connected to the bottom piece and provide a plurality of club lengths. A special golf grip having an accordion like plurality of rings can expand or contract in accordance with the amount of club length adjustment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.