LOCK Russian patent published in 2007 - IPC E05B21/00 

FIELD: engineering of locking devices, in particular, locks, which may be used for locking inhabited and service rooms, and also safes.

SUBSTANCE: lock contains, mounted in body, crossbar with groove, mechanism for extending and locking the crossbar, having a cam positioned on the axis of lock handle and made with possible interaction with spring-loaded localizer, mounted on axis and made in form of lever with shoulders, while one shoulder may enter grooves of spring-loaded two-shoulder levels, mounted on axis, one of shoulders of levels has groove, and another shoulder may contact with code grooves of key, and guide for key, while mechanism for extending and locking the crossbar is provided with connecting rod gear consisting of traction and axes, one of which connects traction to crossbar, and another axis connects traction to cam, which is made with possible interaction with connecting rod gear, while holder is represented by two-shoulder lever, where each shoulder has two shelves, while body is made of two symmetric parts.

EFFECT: simplified construction, increased reliability of locking.

2 cl, 5 dwg