ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,084, issued on Nov. 18, was assigned to Textron Innovations Inc. (Providence, R.I.).
"Teetering rotor yoke with pitched arms" was invented by Andrew P. Haldeman (Richland Hills, Texas), George M. Thompson (Southlake, Texas), Jonathan A. Knoll (Alvarado, Texas) and Marco A. Agredano (Corinth, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A teetering rotor assembly includes a rotor yoke and a plurality of rotor blades. The rotor yoke includes a hub portion that includes a shaft aperture and two teetering hinge cutouts. The rotor yoke further includes a plurality of pitched yoke arms. Each pitched yoke arm is coupled to the hub portion and inclu...