DOOR FOR AIRCRAFT (VERSIONS) AND DOOR UPPER HINGE MECHANISM Russian patent published in 2015 - IPC B64C1/14 B60J5/04 

FIELD: aviation.

SUBSTANCE: door comprises the door leaf and upper hinge mechanism, comprising two pivoting levers, interconnected by means of rigid element, control rod with roller, and carrier, pivotally coupled by the first end to the control rod. Door also comprises two rockers, pivotally coupled by first ends to the door leaf, and traverse of upper hinge mechanism, pivotally coupled to the second ends of the rockers, to the first ends of pivoted levers and to the second end of the control rod. In this case, the axes of hinge connections of rockers with door leaf and traverse are parallel to each other and arranged horizontally, axes of hinge connections of traverse of upper hinge mechanism with the first ends of pivoting levers and with the second end of control rod, axis of roller, axes of elements of hinge connections at the second ends of pivoting levers and at the second end of carrier are parallel to each other and arranged vertically. Door may also contain the stabilising mechanism and weight compensation, actuator mechanism, mechanism of handles, actuator mechanism with locking device.

EFFECT: simple design and improved reliability of locking.

14 cl, 27 dwg