DEVICE FOR UNLOCKING OF LOCKS Russian patent published in 2009 - IPC E05B19/20 

FIELD: construction.

SUBSTANCE: invention is related to devices for unlocking of key locks of level type and definition of their code combinations parametres. Device consists of body, in which coaxially, with the help of turn in bearing, flange is installed, on central axis of which lever is fixed. In body with reference marks, with the possibility of axial displacement and rotation parallel to each other the following components are installed: cylindrical feeler with reference mark on handle from one side and rectangular protrusion on working part and angle fixator with protrusion from one side and handle and spring on the other side. In body, perpendicularly to feeler axis, linear displacement fixator is installed, which is arranged in the form of ball and spring and interacts with concentric grooves arranged on feeler. On feeler, on the end opposite to handle, handle is fixed, reference mark of which is located opposite to reference marks arranged on cylindrical surface of body. On cylindrical surface of flange, in body, in previously compressed condition, spring is installed, one end of which rests against support fixed in body, and the second end rests against support fixed in flange.

EFFECT: provision of possibility to open level key locks and define parametres of level lock code combinations for the purpose of key duplicates making, and also to considerably reduce time of their opening.

5 cl, 8 dwg