FIELD: medicine, sport.
SUBSTANCE: invention concerns sport facilities. A tennis racket comprises a handle, an adapter, a rim and a mesh. The mesh is made of strings crossed two by two at the angle 60 degrees in points making a perfect lattice. A star of lattice vertexes is made by two regular hexagons and two regular triangles. A common side of an interlacement is long as 8-10 diametres of the string. The string changes its position while passing between the adjacent cross points.
EFFECT: improved durability of the mesh and maintained impact strength.
2 dwg
Title | Year | Author | Number |
---|---|---|---|
TENNIS RACKET | 2009 |
|
RU2394620C1 |
TENNIS RACKET | 2010 |
|
RU2411979C1 |
TENNIS RACKET | 1995 |
|
RU2113877C1 |
TRAINING RACKET | 0 |
|
SU1528513A1 |
TENNIS RACKET WITH INCREASED HITTING EFFECTIVENESS | 2000 |
|
RU2203713C2 |
MONOFILAMENT STRING FOR RACKET AND METHOD FOR MANUFACTURING SUCH A MONOFILAMENT STRING | 2018 |
|
RU2762178C2 |
TENNIS SIMULATOR DESIGNED TO IMPROVE THE FIRST AND SECOND SERVES WHEN PLAYING LAWN TENNIS | 2021 |
|
RU2767500C1 |
WHEEL WITH AXLE (VERSIONS) | 2011 |
|
RU2471636C1 |
WHEEL AND ITS SUSPENSION | 2011 |
|
RU2470795C1 |
DEVICE FOR TIGHTENING STRINGS OF TENNIS RACKET | 0 |
|
SU1804874A1 |
Authors
Dates
2010-04-20—Published
2009-04-23—Filed