ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,242, issued on Dec. 16, was assigned to FRANTZ MANUFACTURING COMPANY (Sterling, Ill.).

"Spring-loaded bearing assembly" was invented by Douglas E. Crowder Jr. (Rock Falls, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spring loaded bearing assembly includes first and second matched cartridge bearings disposed within a bearing cup. A sleeve is disposed radially between the cartridge bearings and the bearing cup. A bushing is disposed radially within the cartridge bearings. A shaft is disposed radially within the bushing in sliding engagement therewith. An end cap is connected to the A spring biases the shaft axially."

The patent was filed on...