US 12,103,659 B2
Track door for aircraft
Paul C. Collado, Wichita, KS (US)
Assigned to Textron Innovations Inc., Providence, RI (US)
Filed by Textron Aviation Inc., Wichita, KS (US)
Filed on Oct. 14, 2022, as Appl. No. 18/046,765.
Claims priority of provisional application 63/257,356, filed on Oct. 19, 2021.
Prior Publication US 2023/0122760 A1, Apr. 20, 2023
Int. Cl. B64C 1/14 (2006.01); B64D 47/00 (2006.01); E05D 15/10 (2006.01); E05F 15/652 (2015.01)
CPC B64C 1/1407 (2013.01) [B64D 47/00 (2013.01); E05D 15/1047 (2013.01); E05F 15/652 (2015.01); E05D 2015/1055 (2013.01); E05Y 2201/434 (2013.01); E05Y 2201/684 (2013.01); E05Y 2201/686 (2013.01); E05Y 2201/688 (2013.01); E05Y 2201/70 (2013.01); E05Y 2201/702 (2013.01); E05Y 2201/71 (2013.01); E05Y 2900/502 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A track door system for an aircraft, the track door system comprising:
a door comprising a single piece of material, wherein the door comprises a first side and a second side opposite the first side;
a first roller track and a second roller track, wherein the first roller track and the second roller track are aligned adjacent one another on the first side of the door;
a third roller track and a fourth roller track, wherein the third roller track and the fourth roller track are aligned adjacent one another on the second side of the door;
a first motion driver configured to move the door along the first roller track and the second roller track;
a second motion driver configured to move the door along the third roller track and the fourth roller track;
a maintenance opening located between the first and second motion drivers;
an access panel located adjacent the door and configured to conceal the maintenance opening, wherein the access panel is removable to provide access to the maintenance opening for accessing the interior of the aircraft; and
a drive unit operatively coupled to the first motion driver and the second motion driver, wherein the drive unit is configured to provide electromechanical power for driving the first motion driver and the second motion driver to cooperatively move the door forward to an open position or aft to a closed position.