发明名称 |
Boomerang, has three identical plastic wings which can be bent to change flight properties |
摘要 |
<p>The boomerang is made from plastic and has three identical wings which can be bent in order to change its flight properties. The boomerang profile has a flattened upper rear edge, a central axis located at half the height in the boomerang thickness direction and a wing profile which is bent forwards in the rotation direction.</p> |
申请公布号 |
DE202004009718(U1) |
申请公布日期 |
2005.02.10 |
申请号 |
DE20042009718U |
申请日期 |
2004.06.19 |
申请人 |
HECKNER, AXEL |
发明人 |
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分类号 |
A63B65/08;(IPC1-7):A63B65/08 |
主分类号 |
A63B65/08 |
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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