Adjustably tensioned snap-release joint for an exercise golf club
US5255994A · kind A · utility
Inventor
Key dates
| Filing date | Jan 23, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Jan 23, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32409
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An adjustably tensioned snap-release joint for use as a golf club swing training device is described which includes an upper shaft insert, a lower shaft insert, a screw inserted into a first bore in the lower shaft insert and inserted into a correspondingly threaded second bore in the upper shaft insert, the screw defining a rotation axis of the lower shaft member in relation to the upper shaft member to a transverse axis from a longitudinal axis defined by a linear alignment of the upper and lower shaft inserts in the golf club, an indentation positioned in a co-linear axis with the longitudinal axis of the golf club on an interior surface of the upper shaft insert, and an adjustable spring-biased hollow screw assembly having a ball positioned at the tip of a threaded shaft, capable of exerting pressure on the indentation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.