ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,977, issued on April 7, was assigned to SEMES Co. LTD. (Cheonan-si, South Korea).
"Cross rail structure for OHT system and OHT system using the same" was invented by Sung Ho Lee (Asan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a cross rail structure for an OHT system and an OHT system using the same.According to the present invention, there is provided a cross rail structure for an OHT system, that is a point at which two orthogonal rails among rails that are installed in an OHT system and transport vehicles intersect with each other. The cross rail structure includes a pair of auxiliary rails tha...