ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,491, issued on Aug. 12, was assigned to SRAM LLC (Chicago).
"Bicycle derailleur" was invented by Christopher Shipman (Chicago) and Sage Hahn (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle derailleur includes a base member mountable to a bicycle frame and a cage assembly moveably coupled to the base member. One or both of a motor and/or electrical generator system may be coupled to and moveable with the cage assembly. The motor is operable to move the cage assembly. The electrical generator system includes a generator and a generator drive system. An energy storage device, spaced apart from the cage assembly, may be connected to th...