| 发明名称 |
Tuning screw for musical drum has screw head with lower face embedded with locking O-ring |
| 摘要 |
<p>A musical drum is tuned by a series of tuning screws (1) with a shank and a square head. The lower face of the screw head has an O-ring embedded in a circular groove and a proud-standing crown (1).</p> |
| 申请公布号 |
DE202005002366(U1) |
申请公布日期 |
2005.04.14 |
| 申请号 |
DE20052002366U |
申请日期 |
2005.02.15 |
| 申请人 |
SCHOOP EDGAR |
发明人 |
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| 分类号 |
G10D13/02;(IPC1-7):G10D13/02 |
主分类号 |
G10D13/02 |
| 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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