| 发明名称 |
Compass for chalk marking in street has the chalk held in a metal sleeve with adjustment |
| 摘要 |
<p>A compass for drawing chalk circles on the street has the chalk held in a hollow sleeve fitted to one end of the compass. The chalk is moved by an adjusting tag sliding in a slot in the sleeve and the chalk setting is secured by a screw into the side of the sleeve. The compass setting is secured y a separate lock screw.</p> |
| 申请公布号 |
DE20303082(U1) |
申请公布日期 |
2003.04.30 |
| 申请号 |
DE2003203082U |
申请日期 |
2003.02.26 |
| 申请人 |
LUEDERS, ROLAND |
发明人 |
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| 分类号 |
B43L9/00;B43L9/24;(IPC1-7):B43L9/00 |
主分类号 |
B43L9/00 |
| 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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