MORTISE LOCKING DEVICE Russian patent published in 2010 - IPC E05B37/20 E05B15/10 

FIELD: construction.

SUBSTANCE: invention is related to the field of hardware and mortise locking device. Device comprises secrecy mechanism, output section of which is a gear, bolt, which consists of crossbars, and also channel and rod. All crossbars arranged in openings provided in channel shelves and coaxial to openings arranged on door end, to which this channel is attached, are joined to rod by means of axes with split elastic rings. Toothed rack engaged with gear is fixed to one of crossbars, which is a drive crossbar, and crossbars are installed so that their arrangement on doors, apart from drive crossbar, is not identical for a certain quantitative group of doors. Number of installed crossbars may also vary. Fixation of crossbar to rod is provided by axis, in which pull thread and groove are arranged, and split elastic ring is placed in groove. Faces are arranged on rod in opening for axis with angle, which provides for absence of self-braking in process of axis and ring installation and pulling.

EFFECT: invention provides for creation of reliable locking device, which locks door by bolt, consisting of crossbars, but which has no criteria making it possible to identify their location from outside.

2 cl, 3 dwg