GATE Russian patent published in 2010 - IPC E06B11/00 

FIELD: construction.

SUBSTANCE: gate comprises fixed stand with bearing units, rotary pipe with a fold installed with the possibility of rotation in bearing units, mechanism of return and positioning of fold, sensor of rotation angle, unit of electronic control, light indication and remote control panel. Mechanism of fold return and positioning is arranged with damping in the form of cam with two helical slots installed inside rotary pipe of gate arranged inside stand of carriage gate with two bearing units that are engaged simultaneously with gate stand and cam. Carriage is arranged with the possibility of free motion along axis of stand and is connected by one end to return spring, and by the other end - to damper.

EFFECT: invention allows to simplify gate design.

8 cl, 2 dwg