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热词
    • 8. 发明公开
    • Gravity distributor of balls, particularly for tennis practice
    • 球的重力分配器,特别适用于网球练习
    • EP0968740A2
    • 2000-01-05
    • EP99109203.2
    • 1999-05-19
    • Zama, Luca
    • Zama, Luca
    • A63B47/00
    • A63B69/40
    • A distributor of balls, includes a hopper (6) for containing a suitable number of balls (P), which are discharged one by one by means (7,9) controlled by the player or automatically by other means (12,13). There are means (11) for electric feeding of the discharging means and of control means, and there are means (15) for conveying the ball, cyclically discharged from the hopper, to the proper height and for making the same ball fall, due to gravity force, in front and beside the player, so that the he/she can volley the falling ball or hit the ball on the rebound, in order to exercise correct tennis strokes.
    • 球的分配器包括用于容纳合适数量的球(P)的漏斗(6),所述球(P)通过由玩家控制的装置(7,9)或通过其他装置(12,13)自动地被一个一个地排出。 有用于给排出装置和控​​制装置供电的装置(11),并且存在用于将从料斗周期性地排出的球传送到适当高度并且使球落下的装置(15),由于 在球员的前方和旁边引力,以便他/她能够在回弹中抽球或击球,以便进行正确的网球冲程。