Racket frame having particularly positioned grip
US4736949A · kind A · utility
73Cited by
1References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Sep 8, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S273/08
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention provides a racket frame with a grip which includes an inner low rigidity layer embracing the rear end section of a shaft and an outer high rigidity layer embracing the inner low rigidity layer and partly in direct contact with the shaft, the direct contact being at the position of the node of the primary vibration transmitted through the shaft when striking a ball.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.