LOCK OF HIGH SECRECY Russian patent published in 2009 - IPC E05B27/08 E05B35/12 

FIELD: construction.

SUBSTANCE: invention is related to high secrecy locks. Movable block with cylindrical bores is installed in lock body. Pins with springs are installed in rows, symmetrically relative to axis of movable block, at least three in each one, having different length and value of axial shift. In the middle part pins have concave surfaces with the possibility of their interaction with cylindrical bores of movable block at the moment of pressing of cover key by dowels at pin ends. There is opening provided for handle at one end of movable block. There is keyhole arranged on tail part, which is the bar, for flat key. When movable block is moved with the help of handle released from fixation, keyhole is accessible, and lock may be opened with the help of flat key.

EFFECT: increased degree of protection compared to available locks.

2 cl, 11 dwg