Structure of racket with improved weight distribution adjusting mechanism
US5188360A · kind A · utility
Inventor
Key dates
| Filing date | Aug 29, 1990 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Aug 29, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B60/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A racket, which is comprised of a head frame laterally and longitudinally inserted therethrough with a catgut string to form a striking surface, and a racket handle for grasping in the hand. The head frame has at least one vertical hole made thereon and vertically passing through the upper and lower edges thereof to divide the head frame into an inner and an outer frame portion with the catgut string transversely inserted therethrough. At least one elastic counter weight which has a plurality of through-holes thereon and spaced away from one another at an interval corresponding to the mesh of the striking surface for the insertion therethrough of the catgut string is provided to be releasably fixed in the vertical hole to change the weight distribution of the racket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.