发明名称 IMPACT WALL FOR A DEVICE FOR PICKING UP TENNIS BALLS
摘要 An impact wall for a device for picking up tennis balls comprises a collecting trough arranged at the base thereof and a ramp rising towards the court and fixed to the trough. The oblique stretched fabric (1) forming the impact wall inclined forwards is only secured at the top and at the bottom of a frame and, each vertical side part of the frame is comprised of two beams (4, 5) holding under tension said fabric by means of a spring (10).
申请公布号 DE3561534(D1) 申请公布日期 1988.03.10
申请号 DE19853561534 申请日期 1985.04.03
申请人 STABEG APPARATEBAUGESELLSCHAFT M.B.H. 发明人 SALANSKY, WERNER
分类号 A63B47/00;A63B47/02;A63B63/00;A63B69/38;A63B71/02;(IPC1-7):A63B47/00 主分类号 A63B47/00
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