| 摘要 |
The invention concerns a device intended to protect all openings from breaking and entry. It consists of a grille 1 of crosspieces 2 in which there slide rods 3 comprising the corner iron 4 with the lock 5, the rods 13, the bolts 14, this assembly entering the corner iron 6 once the bolts actuated by the lock interact with the slots 10. The device according to the invention is intended in particular for a high degree of protection of all the openings requiring it, while at the same time allowing the advantages to be derived from these openings. <IMAGE>
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