发明名称 |
Lockable multi-leaf trap door. |
摘要 |
The invention relates to a locking device comprising two combs 10, placed opposite each other, which each slide inside one of the longitudinal members 3 of the frame 1 and which engage in the grooves made in the leaves of the covers 2. The movement of these combs is controlled by means whose power source is external and independent. <IMAGE>
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申请公布号 |
FR2599066(A1) |
申请公布日期 |
1987.11.27 |
申请号 |
FR19860007483 |
申请日期 |
1986.05.26 |
申请人 |
SAMBRE MEUSE USINES ACIERIES |
发明人 |
PIERRE BOISSIER |
分类号 |
E02D29/14;(IPC1-7):E02D29/14;E05C9/00;E05C17/58 |
主分类号 |
E02D29/14 |
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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