ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,859, issued on Dec. 9, was assigned to Mitsubishi Logisnext Co. Ltd. (Kyoto, Japan).
"Unmanned carrier vehicle" was invented by Toshimitsu Onishi (Kyoto, Japan) and Mitsuki Fujioka (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned carrier vehicle switchable between normal and lateral driving mode includes: wheels (a left front wheel, a right front wheel, a left rear wheel, and a right rear wheel), a drive unit that restricts rolling of the left front wheel and the left rear wheel, a steering device that changes direction of the wheels, and a control device. The control device controls the steering device to change direction of ...