ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,468, issued on March 25.
"Fan bike providing magnetically controlled resistance" was invented by Xiaowu Chen (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan bike providing magnetically controlled resistance, having a fan wheel and a micro adjustment assembly mounted on a bike frame; the fan wheel is rotationally mounted on the bike frame, and one side of which is given an iron ring and an aluminum ring. The micro adjustment assembly has a fixed seat inside the bike frame, a movable seat slidably mounted in the fixed seat, at least one magnet on the movable seat facing to the aluminum ring, an adjustment handle outside the bike f...