US Patent Issued to Textron Innovations on Feb. 11 for "Inner member for main rotor centrifugal force bearing" (Texas Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,207, issued on Feb. 11, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Inner member for main rotor centrifugal force bearing" was invented by Amarjit Kizhakkepat (Fort Worth, Texas) and Mark Adam Wiinikka (Hurst, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A back-to-back spherical bearing assembly for a rotary system of a rotary aircraft includes a spherical bearing member having an interior cavity and a spherical bearing surface defining a bearing focal point, a first elastomeric and a second elastomeric bonded to the spherical bearing surface on opposite sides of the bearing focal point, an inboard attachment bonded to the ...