发明名称 Equipment supplying e.g. footballs onto playing field, takes fresh ball from stock and throws it to appropriate spot, when ball in play crosses boundary
摘要 Once a ball has crossed a playing field boundary, leaving the field, a new ball (5) is taken from a stock (26), and thrown by a machine (41) onto the playing field.
申请公布号 DE19903454(A1) 申请公布日期 2000.08.03
申请号 DE19991003454 申请日期 1999.01.28
申请人 KOLBERG, ERIK 发明人 KOLBERG, ERIK
分类号 A63B69/00;A63B69/40;(IPC1-7):A63B69/40;A63B47/00;A63C19/00 主分类号 A63B69/00
代理机构 代理人
主权项
地址