发明名称 Ball launching apparatus
摘要 A ball launching apparatus is described in which a main frame mounts a ball support sub-frame for adjustable positioning about an axis. A ball carrier is provided on the ball support sub-frame at a radial distance from the adjustment axis. A ball striker arm with a striker pad is mounted for pivotal motion about the axis and moves in a swing path intersecting the ball carrier.
申请公布号 US6546923(B2) 申请公布日期 2003.04.15
申请号 US20010872847 申请日期 2001.05.31
申请人 ERICKSON ERVEN D. 发明人 ERICKSON ERVEN D.
分类号 A63B69/00;A63B69/40;(IPC1-7):F42B3/03 主分类号 A63B69/00
代理机构 代理人
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