ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,216, issued on Dec. 16, was assigned to HEFEI MIDEA REFRIGERATOR Co. LTD. (Hefei, China), HEFEI HUALING Co. LTD. (Hefei, China) and MIDEA GROUP Co. LTD. (Foshan, China).
"Box device" was invented by Junwei Fang (Hefei, China), Daojun Yu (Hefei, China), Xuekang Liu (Hefei, China) and Zhigang Lv (Hefei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a box device. The hinge assembly of the box device is provided with a first sliding rail and a second sliding rail. The first sliding rail extends along the first reference ellipse, the second sliding rail extends along the second reference ellipse. When a door body b...