US Patent Issued to KUNSHAN ZHIHU INDUSTRIAL TECHNOLOGY on July 29 for "Three-speed bicycle transmission structure and transmission method thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,127, issued on July 29, was assigned to KUNSHAN ZHIHU INDUSTRIAL TECHNOLOGY Co. LTD. (Kunshan, China).

"Three-speed bicycle transmission structure and transmission method thereof" was invented by Shuhu Xu (Kunshan, China), Xiangyu Yan (Kunshan, China) and Junjian Zhao (Kunshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a three-speed bicycle transmission structure and the transmission method thereof, aiming at overcoming the drawbacks that the overall structure of the prior art cannot support three-speed transmission in a small space and requires high manufacturing costs. The present invention comprises a ce...