ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,593, issued on May 20, was assigned to Shimano Inc. (Osaka, Japan).
"Derailleur for human-powered vehicle" was invented by Takafumi Nishino (Osaka, Japan) and Satoshi Idogaki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A derailleur basically includes a base member, a movable member, a linkage assembly, a power source receiving part and a cover member. The power source receiving part is provided to at least one of the base member, the movable member and the linkage assembly. The power source receiving part receives a power source. The cover member is movable in a first direction to switch from a cover detachment state and a cover att...