| 摘要 |
A racquet for striking a ball or other projectile in a game, having a stringed head, in which the racquet is so constructed that, for an impact in the region of the sweet-spot, each of those strings which yield do so substantially symmetrically about a plane which is perpendicular to the string and which passes through the center of impact. The racquet includes a diagonally strung hitting surface and an open throat design defined by a bridge portion whose linear density is equal to the linear density of the rest of the frame. In addition, the racquet half located closest to the grip weighs substantially the same as the racquet half located farthest from the grip. The resulting structure of the racquet serves to centralize the sweet spot of the racquet at the geometric center of the circular head portion.
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