ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,235, issued on April 14, was assigned to DEWERTOKIN TECHNOLOGY GROUP Co. LTD. (Jiaxing, China).
"Mechanical extension device and suspension mechanism thereof" was invented by Qiqi Ye (Zhejiang, China), Liming Yang (Zhejiang, China), Weiyao Zhou (Zhejiang, China), Bin Shen (Zhejiang, China) and Kangming Tao (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A suspension mechanism is configured to be mounted on a mounting plate of the mechanical extension device and includes a link structure connected to the mounting plate and including a first link, a second link, and a third link, where a first end of the first link is hinged to the mo...