ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,929, issued on June 23, was assigned to Faigle Kunststoffe GmbH (Hard, Austria).
"Track roller assembly" was invented by Tobias Kienreich (Horbranz, Austria) and Laurin Greussing (Alberschwende, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A track roller assembly (1) having a track roller (2) and a track roller suspension (3), the track roller (2) having a track roller axle body (4) and a track roller body (5) having a track roller axle receptacle opening (6), and the track roller body (5) being rotatably mounted on the track roller axle body (4) which is guided through the track roller axle receptacle opening (6). The track roller axle bo...