DOOR LOCK (VARIANTS) Russian patent published in 2006 - IPC E05B15/10 E05B63/04 E05B63/14 

FIELD: ironmongery, particularly door locks.

SUBSTANCE: door lock comprises body, secrecy mechanism and latch bars arranged in the body. Two outermost latch bars of four adjacent ones are connected one to another. Each central latch bar located between the outermost ones is connected to one outermost latch bar. Secrecy mechanism pinion is installed between central latch bars and one central latch bar is provided with teeth used as rack engaged with pinion. Latch bars are formed so that central latch bars may be interchanged without lock disassembling.

EFFECT: increased application field, possibility of lock usage for right-hand and lift-hand doors, increased resistance to breaking-in.

4 cl, 2 dwg