| 发明名称 |
Structure for fastening by screw |
| 摘要 |
A second material is fastened to a first material by a tapping screw having a male thread. The first material includes a hole and a concave portion around the hole. The hole has a surface in which a female thread is formed as the tapping screw is screwed in. |
| 申请公布号 |
US6945729(B2) |
申请公布日期 |
2005.09.20 |
| 申请号 |
US20030660680 |
申请日期 |
2003.09.12 |
| 申请人 |
RICOH COMPANY, LIMITED |
发明人 |
YASUDA YUJI |
| 分类号 |
F16B5/02;F16B25/00;F16B33/02;F16B37/02;(IPC1-7):H01R9/10 |
主分类号 |
F16B5/02 |
| 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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