ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,681, issued on Nov. 4, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).
"Three ball pin-type coupling and steering mechanism" was invented by Yandong Ji (Shanghai) and Liuqing Yan (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A three ball pin-type coupling, having a first connector and a second connector which are non-rotatably connected. The first connector includes a three shaft pin assembly, raceway assemblies and a cage assembly. The three shaft pin assembly includes a shaft and three ball rings which surround the shaft and are arranged at intervals in the circumferential direction of the shaft. There are ...