ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,493, issued on May 5, was assigned to TIEN HSIN INDUSTRIES Co. LTD. (Taichung City, Taiwan).
"Rear derailleur with damping function" was invented by Shang-Feng Lin (Taichung City, Taiwan) and Chang-Chun Kao (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rear derailleur with a damping function includes a chain guide portion, a movable portion, a resilient member, and a damping assembly. The chain guide portion includes a shaft member engaged with the movable portion, the resilient member, and the damping assembly. The damping assembly includes at least one one-way bearing, an inner ring, an outer ring, a plurality of first damp...