| 摘要 |
The invention concerns a closure system for a mobile protecting system (3) of access to a protected zone comprising a fixed security structure (1) wherewith the protecting system (3) co-operates between a position locking the access wherein the slide bolt (5) borne by the protecting system (3), can co-operate through one end with a lock-bolt receiver borne by the fixed structure and a plurality of unlocking positions wherein the slide bolt (5) cannot co-operate with the lock-bolt receiver (8), wherein the slide bolt is secured to a key (14) capable of being engaged in translation in the opening (20) of a safety switch (20) by means of a connecting device whereby, whatever the unlocking position of the protecting system (3), the key (14) is partly engaged in the switch (20).
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