Door for opening and closing a door aperture in an aircraft
First Claim
Patent Images
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.
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Accused Products
Abstract
An aircraft door is disclosed comprising a first (301), second (302) and third (303) door members pivotably joined and arranged to move from a closed position in which said members are located in a substantially linear arrangement in the aircraft skin to an open position in which said members are located in a relative folded arrangement with the second and third door members situated substantially above the lowest edge of the first door member.
31 Citations
16 Claims
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1. A door for opening and closing a door aperture in an aircraft comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A door for opening and closing a door aperture in an aircraft, the door comprising a first, second and third door members pivotably joined and arranged to move from a closed position in which said members are located in a substantially linear arrangement in the aircraft skin to an open position in which said members are located in a relative folded arrangement with the second and third door members situated substantially above the lowest edge of the first door member.
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16. A door for opening and closing a door aperture in an aircraft comprising:
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a first door member pivotably engaged with an aircraft structure at a first attachment point; a second door member pivotably engaged with said first door member; a third door member pivotably engaged with said second door member; a first linkage member pivotably engaged with said first and third door members; a second linkage member pivotably engaged with said second door member and said aircraft structure at a second attachment point; and said door members and linkage members being arranged to form a single door when in a closed position and being interconnected such that an opening movement of said first door member in the form of a rotation about said first attachment point results in the substantially simultaneous movement of said second and third door members towards their respective open positions, wherein each said door member comprises an exterior face and an opposite interior face, said exterior face being arranged, in said closed position of said door, to substantially conform with the skin of said aircraft and said movement of said door members into said open position results in the relative pivoting of said exterior face of said first door member towards said exterior face of said second door member and the relative pivoting of said interior face of said second door member towards said interior face of said third door member.
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Specification