ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,197, issued on Feb. 24, was assigned to SRAM LLC (Chicago).
"Electric bicycle drive unit fastening assembly" was invented by Dietmar Greven (Neuss, Germany) and Kai Venhoff (Neuss, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric bicycle drive unit mounting arrangement (50) by which a mid-motor electric drive unit (30) is floatingly attached to a drive receptacle (21) of a bicycle frame (20), wherein the drive receptacle (21) comprises two mutually parallel frame-fixed and vertical frame flanges (211, 212), wherein a drive unit housing (34) comprises two parallel and vertical housing flanges (41, 42), wherein one housing flange (41...