ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,065, issued on Oct. 21, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Track joint assembly having bushing structured for in-service transitioning from fixed to rotating" was invented by Eric James Johannsen (Washington, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A track joint assembly in a track-type machine includes a track link having a pin bore and a bushing bore formed therein. A track pin is attached to the track link within the pin bore, and a track bushing is attached to the track link within the bushing bore. The track pin and the track link are attached by way of a tight interference-fit, and the bushing and track link are atta...