ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,311, issued on May 19, was assigned to Xiamen Emoka Health Science & Technology Co. Ltd. (Xiamen, China).
"Massage machine core" was invented by Guanghua Zhou (Xiamen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a massage machine core, including: a housing, a battery, a brushless motor, a circuit board, a gear transmission group, a long rotating shaft, eccentric wheels, eccentric connecting rods, yaw wheels, yaw wheel covers, ejector rods, rocker arms and massaging assemblies; the yaw wheel cover is disposed on the long rotating shaft outside the rocker arm, the ejector rod is disposed between the eccentric c...