发明名称 |
Drum and head diaphragm adjustor for drum |
摘要 |
A head diaphragm adjustor for adjusting tension applied to upper and lower head diaphragms of a drum. A first bolt adjusts the tension applied to the upper head diaphragm. A second bolt adjusts the tension applied to the lower head diaphragm. A first meshed portion and a second meshed portion are respectively meshed with the first bolt and the second bolt and fixed to the shell. The upper portion of a rod is inserted in the first bolt in a manner independently rotatable relative to the first bolt. The lower portion of the rod is connected to the second bolt in a manner slidable relative to the second bolt and rotated integrally with the second bolt. The rod includes a cylindrical portion having a diameter greater than that of the upper portion of the rod. The first bolt abuts against the cylindrical portion.
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申请公布号 |
US6963022(B2) |
申请公布日期 |
2005.11.08 |
申请号 |
US20040850634 |
申请日期 |
2004.05.20 |
申请人 |
HOSHINO GAKKI MFG. CO., LTD. |
发明人 |
OKUNO KUNIAKI |
分类号 |
G10D13/00;G10D13/02;(IPC1-7):G10D13/02 |
主分类号 |
G10D13/00 |
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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