ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,741, issued on Nov. 4, was assigned to Daifuku Co. Ltd. (Osaka, Japan).
"Article transport facility" was invented by Yoshinari Wada (Hinocho, Japan) and Kenji Tamura (Hinocho, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An article transport facility includes a first rail and a second rail. The second rail is spaced upward relative to the first rail, and intersects the first rail in a view in an up-down direction. The transport vehicle includes a vehicle body disposed between the first rail and the second rail in the up-down direction, a first traveling unit that causes the vehicle body to travel along a first direction, and a second travelin...