| 发明名称 |
CRIME PREVENTION DEVICE TO FIX DOOR CLOSER |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a crime prevention device to fix a door closer so as to attach a wheel to the door close and make it impossible to open/close the door. SOLUTION: A strong ring A made of steel and so on and a hook C are connected by a chain (b) and so on.
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| 申请公布号 |
JP2002038805(A) |
申请公布日期 |
2002.02.06 |
| 申请号 |
JP20000253164 |
申请日期 |
2000.07.19 |
| 申请人 |
TANAKA MEGUMI |
发明人 |
TANAKA MEGUMI |
| 分类号 |
E05C19/18;E05C21/02;(IPC1-7):E05C19/18 |
主分类号 |
E05C19/18 |
| 代理机构 |
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代理人 |
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