FIELD: ironmongery, particularly cylinder locks with plate tumblers, namely ones adapted to prevent and permit activating movement.
SUBSTANCE: blocking device comprises at least one key having raised identifying projections arranged along key axis and extending transversely to above axis. Device also has measuring means, which measures raised coding projections and mechanism to identify above raised coding projections. Device includes cylinder. The measuring means comprises a number of collars to be installed in corresponding positions, which are controlled by serially arranged raised key projections. Each raised projection of the key is installed in front of collar and provides collar installation in predetermined position in transversal plane at an angle with respect to longitudinal key plane.
EFFECT: simplified device structure.
13 cl, 11 dwg
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