ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,426, issued on Sept. 1, was assigned to SHANGHAI ZS ROBOTICS Co. LTD. (Shanghai).

"Obstacle avoidance and detection device for vehicle body of four-way shuttle and pallet, and working method thereof" was invented by Lei Cui (Shanghai), Jianquan Chen (Shanghai), Fei Wu (Shanghai) and Yafeng Ge (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An obstacle avoidance and detection device for a vehicle body of a four-way shuttle and a pallet, and a working method thereof are provided. The device includes a four-way shuttle, pallets with goods, and Y direction tracks and an X direction track that are interlaced horizontally and longitudinally. The ...