ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,558, issued on Aug. 5, was assigned to Beijing Jingdong Qianshi Technology Co. Ltd. (Beijing).

"Buffer assembly and manipulator" was invented by Jian Zhang (Beijing), Guoku Song (Beijing) and Jingren Tang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A buffer assembly includes a first mounting seat, a second mounting seat, a hinge assembly, and an elastic member. One of the first mounting seat or the second mounting seat is configured to be connected to a mechanical arm and the other one is configured to be connected to an end picker. The hinge assembly is connected between the first mounting seat and the second mounting seat and includes a...