ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,544, issued on May 26, was assigned to Shenzhen Yile Dynamic Technology Co. LTD (Shenzhen, China).
"Manually adjustable lifting mechanism and treadmill" was invented by Ren Liu (Shenzhen, China) and Jinsong Fan (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lifting mechanism includes a frame and two first supporting structures disposed at the first end of the frame and two second supporting structures disposed at a second end of the frame. The second supporting structure includes a second leg, a positioning plate and a support rod, a side of the positioning plate defines a slide groove, and one side of the slide groove in its longi...