US 12,187,419 B2
Rotary shaft for an aircraft
Peter X. Palcic, Bethany, CT (US); Cole Steven Twing, Castle Pines, CO (US); and Yuriy Gmirya, Woodbridge, CT (US)
Assigned to Lockheed Martin Corporation, Bethesda, MD (US)
Filed by Lockheed Martin Corporation, Bethesda, MD (US)
Filed on Aug. 25, 2022, as Appl. No. 17/895,703.
Prior Publication US 2024/0067332 A1, Feb. 29, 2024
Int. Cl. B64C 27/10 (2023.01); B64C 27/14 (2006.01); B64C 27/26 (2006.01); B64C 27/82 (2006.01)
CPC B64C 27/10 (2013.01) [B64C 27/14 (2013.01); B64C 27/26 (2013.01); B64C 2027/8236 (2013.01); B64C 2027/8272 (2013.01); B64C 2027/8281 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A rotary shaft assembly comprising:
a rotary shaft having a first end portion, a second end portion opposite the first end portion, a longitudinal axis extending centrally through the first and second end portions, and a shaft body that defines a bore between the first and second end portions,
an anti-flailing mechanism positioned within the bore of the shaft body, the anti-flailing mechanism having a cable coupled to the rotary shaft and extending at least partially between the first and second end portions to contain the rotary shaft about the longitudinal axis when the rotary shaft fails, and
a support tube positioned within the bore of the shaft body and extending between the first and second end portions,
wherein the cable is positioned within the support tube.