HINGE Russian patent published in 2009 - IPC E05D3/14 

FIELD: construction.

SUBSTANCE: invention is related to facilities of movable joint of structural elements, for instance in door, and provides for its complete opening to position opposite to position of closed doors. Hinge comprises at least two rotary elements, which are installed on or in door with the possibility of motion or rotation relative to door, and at least two rotary elements installed on or in frame with the possibility of motion or rotation relative to frame. Between rotary elements, which are arranged on door and frame, for door connection to frame, there are curved rods arranged. If on one rod rotary element of its connection to frame is installed closer to external surface of closed door, and rotary element of its connection to door on door is located further from external surface of door, then on the other rod rotary element of its connection to frame is located further from external surface of closed door, and rotary element of its connection to door is located near external surface of door.

EFFECT: invention provides for complete opening of door on hinge, invisible from within.

10 cl, 5 dwg