LOCK Russian patent published in 2000 - IPC

FIELD: locking devices. SUBSTANCE: lock has body, which contains latch with mechanism for its displacement. Also included is coding mechanism which is made up of movable part, stationary part, and movable part fixing members. Lock is additionally provided with latch which is upper-lying with respect to first latch and with mechanism of its displacement. Mechanism for displacement of upper-lying latch is kinematically connected with mechanism for displacement of lower-lying latch and with movable part of coding mechanism. Mechanism for displacement of lower-lying latch is made in the form of strip. Upper part and lower part of strip have teeth, side part of strip have pins. Mechanism is also provided with cam having protrusions and recesses located oppositely to protrusions. Vertical strip with protrusion and fixing pintle is installed with possibility of vertical displacement by means of lever connected to it. Roller of lever is located in one of recesses of cam which can turn for contacting of protrusions with pins of strip. Lower teeth of strip can interact with cylindrical mechanism of lock. Cylindrical mechanism can come into contact with protrusion of vertical strip. Aforesaid embodiment of lock is of high reliability in operation. EFFECT: higher efficiency. 17 cl, 27 dwg