CODE MAGNETOMECHANICAL LOCK Russian patent published in 2001 - IPC

FIELD: locksmith's work. SUBSTANCE: the lock has a secret mechanism, having a body with a hole, revolving casing, closing member kinematically connected to the revolving casing, key provided with a fixing arm relative to the secret mechanism and seats for orienting magnets, magnetosensitive interlocking member installed inside the casing, a cylindrical bush is installed in the body hole coaxially with the revolving casing, blind grooves are made on the bush cylindrical surface and in the revolving casing, they correspond to the shape of the magnetosensitive interlocking member, a ferromagnetic plate restricting the transverse motion of the magnetosensitive interlocking member is inserted in one of the grooves. The revolving casing has a blind hole in the end, the cylindrical bush has the shape of a cup, whose bottom has a collar with an annular groove and axial hole for attachment of the pin of ferromagnetic material, the ferromagnetic plate is inserted in the groove of the revolving casing, and from the end the revolving casing is spring-loaded to the body, a blind hole for the pin of ferromagnetic material is provided in the key axis. EFFECT: enhanced stability to breaking in. 3 cl, 6 dwg