"ANTI-PANIC" LOCK Russian patent published in 2018 - IPC E05B65/10 

FIELD: construction.

SUBSTANCE: locking device is formed by a locking projection located on a variable pressure element, which in the locked position of the latch prevents its movement in the direction from the extended position. The invention embodiment assumes only a small number of additional structural elements that can be easily located inside the main key box. The simplest improvement version is that the locking device consists of the locking projection slanting towards the latch, which in the locked position enters the locking recess.

EFFECT: high degree of protection against pressing drive rods.

6 cl, 5 dwg