ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,484, issued on Sept. 22, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea) and KIA Corp. (Seoul, South Korea).
"Omnidirectional rotation drive device" was invented by Sang Woo Hwang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An omnidirectional rotation drive device includes a knuckle connected to a vehicle body, a wheel body configured to rotate around the knuckle, a plurality of sub-wheel units rotatably supported on the wheel body, and a bevel gear located in the wheel body and configured to rotate around the knuckle. The plurality of sub-wheel units is rotated depending on a difference between an angular speed of...