| 发明名称 |
No bounce dart with rotatable barrel |
| 摘要 |
A no bounce dart comprises a point which is provided frictionally slidable movement between an extended position and a retracted position relative to the barrel. The barrel is afforded rotatable movement about the point when the dart is engaged in a target.
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| 申请公布号 |
US5611543(A) |
申请公布日期 |
1997.03.18 |
| 申请号 |
US19950442493 |
申请日期 |
1995.05.16 |
| 申请人 |
BOTTELSEN, WALTER E. |
发明人 |
BOTTELSEN, WALTER E. |
| 分类号 |
F42B6/00;(IPC1-7):A63B15/02 |
主分类号 |
F42B6/00 |
| 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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