Golf club shafts with inserts to reduce shaft to shaft variation
US12121787B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2020 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Aug 10, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A method includes: determining a mass of a golf shaft having a length; determining a center of mass of the golf shaft; determining one or more characteristics of an insert based on: the mass of the golf shaft; and a target mass for golf shafts having the length; determining a location of the insert between a first end of the golf shaft where a golf grip is to be attached and a second end of the golf shaft where a golf club head is to be attached based on: the center of mass of the golf shaft; and a target center of mass for golf shafts having the length; and inserting an insert having the determined one or more characteristics within an interior of the golf shaft at the determined location, thereby creating an interference fit between the insert and the interior of the golf shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.