ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,869, issued on Dec. 2.
"Ball cage assembly device for vehicle hub bearings" was invented by Kyu Sik Park (Changwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ball cage assembly device according to an embodiment of the present disclosure may include a work table including a seating base; a cage supply unit that supplies a cage with a plurality of pockets formed in a groove shape on the seating base; a ball filling unit that supplies a plurality of balls onto the plurality of supplied pockets using their own weight; a ball press-fitting unit that moves up and down and press-fits the plurality of supplied balls into the plurality o...