| 摘要 |
A four bar linkage (56, 58), between a hinge carriage segment (14) and a translating door segment (16), of an outward opening, overhead rotation, plug type aircraft door (12), defines the relative movement between the two segments. A door handle (34) actuates linkages that extend between the two segments to power the relative movement. When the handle is in either the down and the door locked position, or in the up and unlocked ready for outward rotation position, the linkage (50) is overcenter so that the handle (34) remains in position. A safety link (60) extends between the two segments to provide fail safe locking at either handle position. |
