FLAT KEY AND CYLINDER LOCK Russian patent published in 2018 - IPC E05B19/00 

FIELD: construction.

SUBSTANCE: key (1) for a cylinder lock (2) comprises a key rod (4) extending in the insertion direction (3) of the flat key (2), the key bar (4) having a side surface (5), on which first variational elements (6) of the key, made in particular in the form of permanent magnetic tablets, side control grooves and/or side control elevations, are provided; the key rod (4) having a key back (7), on which a control rib (8) is provided, having groping portions (10) forming second variation elements (9) of the key in the insertion direction (3), a connecting portion (11) provided between each two adjacent groping portions (10), and two lateral controlling cams (14).

EFFECT: increasing the reliability.

17 cl, 6 dwg