Patent ID: 8074930
Filing Date: 2011-12-13
Classification: B64C

Abstract:
1. A door for opening and closing a door aperture in an aircraft comprising: a first door panel pivotably engaged with an aircraft structure at a first attachment point; a second door panel pivotably engaged with said first door panel; a third door panel pivotably engaged with said second door panel; a first linkage member pivotably engaged with said first and third door panels; a second linkage member pivotably engaged with said second door panel and said aircraft structure at a second attachment point; and said door panels configured to form a single door when in a closed position, and each door panel having an exterior face substantially conforming to the skin of said aircraft when said panels are in said closed position, said door panels are interconnected by said linkage members such that an opening movement of said first door panel in the form of a rotation about said first attachment point results in the substantially simultaneous movement of said second and third door panels towards their respective open positions.