ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,194, issued on Dec. 30.
"Gear-driven massager" was invented by Jiafeng Chen (Teng, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a gear-driven massager. The gear-driven massager comprises a housing and a soft rubber sleeve fitted on the housing, wherein the soft rubber sleeve is provided with massage beads raised outwards, a fixing plate is mounted in the housing, at least one main gear is mounted on the fixing plate, a movement chamber is formed between the fixing plate and an inner wall of the housing, massage rods are mounted in the movement chamber, the housing is provided with avoidance holes as many as the massage rods, end...