ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,912, issued on Oct. 28, was assigned to Pandao Intelligent Technology (Suzhou) Co. Ltd. (Suzhou, China).
"Climbing machine" was invented by Dengyuan Sun (Suzhou, China), Wei Zhou (Suzhou, China) and Aoqiong Zhang (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a climbing machine including a rotatable rotation shaft (501), a plurality of one-way components (502) capable of achieving one-way transmission, a plurality of transmission units (503) and a plurality of climbing points (300, 400), where the one-way components (502) are connected to the rotation shaft (501) in a sleeving manner, each transmission unit (503) is conne...