LOCK WITH SECURITY MECHANISM Russian patent published in 2016 - IPC E05B21/00 

FIELD: mechanisms.

SUBSTANCE: lock (1) with mechanism of security, which comprises a frame, defining inlet channel key in lock and latch (12) movably installed on frame and sliding key turn in lock between first position corresponding to open state of lock, and second position corresponding to closed state of lock. At least one plate (4) of confidentiality is movably installed on frame and shifted by turning key in unlocking position movement catch (12). In presence of unauthorised application of force to bolt (12) between bolt (12) and at least one plate (4) acts secrecy hook engaging means. In addition, means are provided to ensure possibility of rotation of plate (4) of secrecy in position corresponding to maximum of secrecy lifting plate itself.

EFFECT: hook means comprises a hook-shaped engaging portion (16a, 16b), arranged on pin (13) privacy bolt (12) which is designed to intersect opening (8) of plate (4) secrecy.

8 cl, 11 dwg