US 12,434,820 B2
Aircraft landing gear with tension drag brace
Michael A. Long, Langley, WA (US); Justin Duane Cottet, Snohomish, WA (US); and Christopher M. Newton, Bothell, WA (US)
Assigned to THE BOEING COMPANY, Arlington, VA (US)
Filed by The Boeing Company, Arlington, VA (US)
Filed on Nov. 28, 2023, as Appl. No. 18/521,996.
Prior Publication US 2025/0171134 A1, May 29, 2025
Int. Cl. B64C 25/20 (2006.01); B64C 25/36 (2006.01)
CPC B64C 25/20 (2013.01) [B64C 25/36 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wheeled support structure, comprising:
a shock absorber strut assembly configured to receive a wheel;
a fixed strut structure that supports the shock absorber strut assembly, the fixed strut structure having a drag brace connection member and a vehicle structure connection point;
a drag brace that comprises an upper drag brace and a lower drag brace; and
a pivot joint that connects the fixed strut structure drag brace connection member to the drag brace,
wherein the upper drag brace has a first end configured to be pivotingly attached to a first structural portion of a vehicle, and a second end that is pivotingly attached to the lower drag brace,
the lower drag brace has a first end that is pivotingly attached to the second end of the upper drag brace, and a second end that is pivotingly attached to the pivot joint,
the vehicle structure connection point of the fixed strut structure is configured to pivotingly attach to a second structural portion of the vehicle,
the fixed strut structure is configured to rotate about the second structural portion of the vehicle in a deployment direction from a stowed position to a deployed position,
the second end of the upper drag brace is configured to move in the deployment direction away from the second structural portion of the vehicle as the fixed strut structure rotates from the stowed position to the deployed position, and
the second end of the upper drag brace is configured to attach to a drag brace apex attachment portion of the vehicle in the deployed position so as to secure the second end of the upper drag brace to the vehicle in the deployed position.