Shaft selection aiding apparatus for selecting optimum shaft for a golfer
US5821417A · kind A · utility
36Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1996 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Jun 14, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/74
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A high speed camera takes an image in the vicinity of a ball 3 and a club head 12, while a high speed camera 5 takes an image in the vicinity of the top of the swing of a golfer 1, and the images are recorded in a high speed video tape recorder 6. The recorded images are reproduced, swing time, a swing speed and a head speed are detected using a personal computer 15, and a shaft with an optimum flex for the golfer is selected based on the swing time, the swing speed, the swing time and the head speed, or the swing speed and the head speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.