FIELD: sportive equipment. SUBSTANCE: tennis racket has tubular frame with head defining string surface, arm connecting head part with handle. Head defines egg-shaped string surface of 356 mm length and 613 sq. mm area. Section height of tubular frame in direction perpendicular to string surface plane is in the excess of 22 mm. Tubular frame is manufactured from composite material. Racket length exceeds 711 mm, weight with strings is below 300 g and moment of inertia relative to handle is below 56 g/sq m. EFFECT: increased radius of action, increased player's power of strike and simplified construction. 10 cl, 13 dwg
| Title | Year | Author | Number |
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SU1804874A1 |
