US Patent Issued to LENOVO (BEIJING) on July 21 for "Rotation structure and electronic device" (Chinese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,897, issued on July 21, was assigned to LENOVO (BEIJING) Ltd. (Beijing).

"Rotation structure and electronic device" was invented by Chunfeng Yuan (Beijing) and Yingce Zheng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotation structure includes a first rotating shaft assembly, a second rotating shaft assembly, and a stopper. The first rotating shaft assembly includes a first shaft and a first wheel, a first groove being arranged on the first wheel. The second rotating shaft assembly includes a second shaft and a second wheel, the second shaft and the first shaft satisfying a parallel condition, a second groove being arranged on the sec...