ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,029, issued on Oct. 21, was assigned to Lockheed Martin Corp. (Bethesda, Md.).
"Bearing retention system" was invented by Michael F. Mullen (Cheshire, Conn.), Jimmy Yeung (Woodside, N.Y.) and Noah McCreight (Brooklyn, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gear box includes a housing, a shaft that is driven by the gear, the shaft including a recess, a bearing mounted between the shaft and the housing to support the shaft for rotation with respect to the housing about a rotation axis, and a ring assembly for axially securing the bearing to the shaft. The ring assembly surrounds the shaft and is seated in the recess. The recess has a re...