| 摘要 |
A hand racket for a ball game has a frame with two concentric rings interconnected by several spokes, the inner ring having a diameter exceeding that of a ball to be bounced off a net of strings spanning that ring. The two rings are separated by spaces whose width exceeds the ball diameter and which enable the gripping of the outer ring by the hands of a player whose aim is to let the descending ball hit the net without striking the frame or dropping through one of the intervening spaces. The rings and the spokes are tubular and, except at two handle-forming locations of the outer ring, are provided with resiliently depressible cover strips closing a circuit for the actuation of a sound generator when the frame is being hit by the ball. The frame may be provided with a ball launcher to be used at the beginning of a round.
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