GATE Russian patent published in 2010 - IPC E06B11/00 

FIELD: construction.

SUBSTANCE: gate comprises fixed stand with bearing units, shaft installed with the possibility of rotation in bearing units, fold connected to shaft, mechanism of return and positioning of fold, device of smooth closing of fold, mechanism of fold fixation, sensor of rotation angle, unit of electronic control, light indication and remote control panel. Mechanism of return and positioning of fold comprises cam installed on gate shaft rigidly and coaxially to shaft, yoke installed with the possibility of swinging on axis perpendicular to shaft axis. Cam is arranged with two stops installed with the possibility of rotation on two axes, which are rigidly fixed in cam and are arranged in parallel to shaft axis. Stops are installed with the possibility of interaction with pusher installed with the possibility of free rotation on axis, rigidly fixed on yoke end opposite to axis of swinging and pressed to stops by means of return spring.

EFFECT: invention will make it possible to increase reliability of structure.

5 cl, 6 dwg