发明名称 |
Ball propelling machine |
摘要 |
The invention relates to an assembly and method of spinning a seamed ball prior to being propelled from a ball propelling machine. The assembly can simulate balls propelled in sports such as baseball. The assembly includes at least one pair of opposed ball supports to firstly position a loaded ball in a predetermined alignment and to subsequently apply a predetermined amount of spin to the ball prior to being fired from the assembly.
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申请公布号 |
US2007191143(A1) |
申请公布日期 |
2007.08.16 |
申请号 |
US20050591138 |
申请日期 |
2005.03.11 |
申请人 |
KELLY HAYDN;BRODRICK COLIN |
发明人 |
KELLY HAYDN;BRODRICK COLIN |
分类号 |
A63B69/00;A63B24/00;A63B47/00;A63B65/12;A63B69/40 |
主分类号 |
A63B69/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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