ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,790, issued on May 12, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Rotating shaft apparatus and electronic device" was invented by Wenyuan Li (Chengdu, China), Yangming Lin (Dongguan, China) and Feng Jiang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating shaft apparatus is provided, where the rotating shaft apparatus includes an adapter member, a spindle, and a crank-slider mechanism. The adapter member is fixedly connected to a load. The spindle is fixedly connected to the adapter member. The crank-slider mechanism acts on the spindle to provide a torque. The torque partially or completely counteracts a g...