ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,591, issued on June 10, was assigned to Daifuku Co. Ltd. (Osaka, Japan).
"Article transport facility" was invented by Junichi Shimamura (Komaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device is capable of executing a first abnormality control, a retraction control, and a second abnormality control. The first abnormality control is a control in which a transferable range in which the normal unit is capable of transferring the article to and from the storage section without interfering with the abnormal unit is set to a partial range of the article storage rack, and the normal unit is operated using one or more of the storage s...