US 12,221,206 B2
Landing gear with caster and variable shimmy damping
Mark Loring Isaac, Fort Worth, TX (US)
Assigned to Textron Innovations Inc., Providence, RI (US)
Filed by Bell Textron Inc., Fort Worth, TX (US)
Filed on Jun. 27, 2023, as Appl. No. 18/342,123.
Prior Publication US 2025/0002142 A1, Jan. 2, 2025
Int. Cl. B64C 25/34 (2006.01); B64C 25/50 (2006.01)
CPC B64C 25/505 (2013.01) [B64C 25/34 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An aircraft landing gear shimmy damping device for aircraft landing gear with castering, the device comprising:
a centering cam engaged in a curvic slot in an internal diameter of an aircraft landing gear wheel spindle when at least one landing gear wheel is aligned with forward ground travel of the aircraft, engaging a landing gear wheel shimmy dampener, the centering cam configured to:
be pushed out of the curvic slot when the aircraft begins to turn, disengaging the landing gear wheel shimmy dampener; and
slide back into the curvic slot and engage the shimmy dampener, when the landing gear wheel is realigned with forward ground travel of the aircraft.