ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,752, issued on May 12, was assigned to AD-II Engineering Inc. (Taichung City, Taiwan).
"Bicycle sprocket assembly" was invented by Chien-Pin Wang (Taichung City, Taiwan) and Kuei-Jung Chang (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle sprocket assembly is provided, configured to be disposed on a cassette body, including: a sprocket set and a restricting mechanism. The sprocket set includes a sleeving portion configured to be sleeved on the cassette body in an axial direction. The restricting mechanism includes at least one urging unit disposed on the sleeving portion, and each of the at least one urging unit is at l...