US 11,939,040 B2
Systems and methods for operating a door of an aircraft
John K. Foster, St. Peters, MO (US); Ryan Binkholder, Webster Groves, MO (US); and Thaddeus Jakubowski, Jr., St. Charles, MO (US)
Assigned to The Boeing Company, Chicago, IL (US)
Filed by THE BOEING COMPANY, Chicago, IL (US)
Filed on Mar. 10, 2022, as Appl. No. 17/654,255.
Claims priority of provisional application 63/217,063, filed on Jun. 30, 2021.
Prior Publication US 2023/0002029 A1, Jan. 5, 2023
Int. Cl. B64C 1/14 (2006.01); B64C 1/38 (2006.01); B64C 30/00 (2006.01); B64D 1/06 (2006.01)
CPC B64C 1/1461 (2013.01) [B64C 1/38 (2013.01); B64C 30/00 (2013.01); B64D 1/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hinge assembly of a system for operating a door of an aircraft, the hinge assembly comprising:
a bracket secured to a structure of the aircraft, the bracket including a first forward joint and a first aft joint separated by a first distance along a first line;
a forward link coupled to the first forward joint;
an aft link that is longer than the forward link, the aft link coupled to the first aft joint; and
a door coupler secured to the door, the door coupler including a second forward joint and a second aft joint separated by a second distance that is less than the first distance, wherein the second distance is along a second line that is parallel to the first line in a stowed position, the forward link is further coupled to the second forward joint, and the aft link is further coupled to the second aft joint.