| 发明名称 |
Self-centering, self-tightening fastener |
| 摘要 |
A self-tightening, self-centering fastener device having a pair of washers having cam surfaces that generate a wedging force. One of the washers has a raised, annular crown for seating in an annular seat in the workpiece.
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| 申请公布号 |
US5203656(A) |
申请公布日期 |
1993.04.20 |
| 申请号 |
US19910762395 |
申请日期 |
1991.09.19 |
| 申请人 |
HONG KONG DISC LOCK COMPANY, LIMITED |
发明人 |
MCKINLAY, ALISTAIR N. |
| 分类号 |
F16B39/24;F16B39/282 |
主分类号 |
F16B39/24 |
| 代理机构 |
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代理人 |
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