Tennis racket with vibration-damping stringing
US4909511A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1987 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Apr 6, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B49/028
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A strung racket having a racket head in the form of a frame strung with stringing including longitudinal strings passing between a crown and a bottom of the frame and transverse strings extending transversely to the longitudinal strings between sides of the frame, the strings passing through holes in the frame. A device for damping vibration of the stringing generated by impact of the stringing with a ball, is provided and includes at least one pliable membrance fixedly received in at least one of the holes of the bottom of the frame and having an orifice tranversed by the respective string, the edge of the pliable membrane hugging the string traversing the frame hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.