ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,133, issued on Dec. 16, was assigned to CLASSIFIED CYCLING B.V. (Antwerp, Belgium).
"Transmission system for a bicycle" was invented by Roell Marie Van Druten (Eindhoven, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transmission system for a bicycle, wherein the system comprises a driver element configured and arranged to rotate about an axis. The transmission system comprises a cassette of sprockets mounted on the driver element to rotate together. The transmission system comprises a shifting unit arranged to move the cassette of sprockets in axial direction on the driver element. The shifting unit comprises an actuator element arra...