FIELD: construction.
SUBSTANCE: lock mechanism contains key movable element with installed guide, plunger pin and secret mean. Secret mean includes two elements each of them is located in position of impact at plunger pin with one its part and with ability of moving and impact on plunger pin with anther its part. Means are installed with ability of contact with moving key sections and with ability of moving concerning them elements of secret mean. Key contains on one its part mean for putting in action of lock mechanism and on another part means for contact with elements. Simultaneously with putting in action of lock mechanism with key, one regulated elements position of secret mean of lock mechanism concerning plunger pin without impact on it and at that preserve guide in operating position.
EFFECT: invention provides high secrecy and reliability of lock.
31 cl, 48 dwg
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