DOOR ASSEMBLY, PARTICULARLY, FOR HELICOPTER PROVIDED WITH EMERGENCY RELEASE Russian patent published in 2015 - IPC B64C1/14 

FIELD: transport.

SUBSTANCE: invention relates to aircraft engineering, particularly, to craft escape exit opening system structures. Claimed door assembly (1) has prop (6) and door (8) hinged thereat by first and second butts (28, 27) fitted at outer wall (31) of said prop (6). Said door can turn relative to butt pin (9 for opening and closing of door opening (3. Emergency release (50) comprises unlocking handle (51) and rod (44) secured from one axial end (43) to first butt (28). Said rod extends through prop (6) along unlocking axis (45), in fact, perpendicular to butt pin (9) to turn axially in response to displacement of unlocking handle (51) from first angular position to second one to detach the door (8) from prop (6). Unlocking handle (51) is coupled with rod (44) to turn jointly relative to its unlocking axis (45).

EFFECT: automatic extension of door from the door opening at operation of said release.

15 cl, 9 dwg