| 发明名称 |
Door hinge coupling device |
| 摘要 |
Projections in door hinge plates penetrate and bear against cooperating slots in opposite plates of door hinges to prevent a locked door from being removed from a doorjamb by removing the hinge pintles. |
| 申请公布号 |
US4057873(A) |
申请公布日期 |
1977.11.15 |
| 申请号 |
US19760670406 |
申请日期 |
1976.03.25 |
| 申请人 |
BURSANI, RUDOLPH |
发明人 |
BURSANI, RUDOLPH |
| 分类号 |
E05D5/04;E05D11/00;(IPC1-7):E05D11/00 |
主分类号 |
E05D5/04 |
| 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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