FIELD: construction.
SUBSTANCE: secret block comprises a pair of sides with longitudinal slots for locking stubs and a pairs of recesses on longitudinal facet for interaction with key bits. Sides are rigidly connected to each other by means of support stubs, which bear a set of levels. Levels swing versus one of support stubs as key is turned and have sector-like window on their field with locking ledges. On radial facets of internal contour of locking window there is only one pair of locking ledges arranged, being located over arched code notch. Each subsequent even level in set is laid onto the previous odd one by its back side with turn around transverse axis. Locking ledges shape common locking window with a full set of locking ledges. Ends of level set are spring-loaded towards support stubs by common plate spring of spring type.
EFFECT: simplified design of secret block and technology of its assembly, improved operation and increased reliability of locking devices with its application.
5 dwg
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