MECHANICAL CODE LOCK (MODIFICATIONS) AND COMBINED MECHANICAL LOCK Russian patent published in 2004 - IPC

FIELD: locksmith's work. SUBSTANCE: the mechanical code lock has a body with a mark or marks, at least one code disc with marks evenly arranged around the edges of its peripheral part, at least one body with a slot or hole, cross-bar, facility for changing the code and a facility for protection against an unauthorized selection of the code. The cross-bar is made with tongues, and the bodies with a slot or hole, and the facility of protection against an unauthorized selection of the code are partially arranged in the space between the tongues. EFFECT: expanded range of hardware components at designing of locks. 3 cl, 6 dwg