US Patent Issued to ZF Friedrichshafen on Sept. 30 for "Planetary-type bottom-bracket transmission for a bicycle or a pedelec" (German Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,105, issued on Sept. 30, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Planetary-type bottom-bracket transmission for a bicycle or a pedelec" was invented by Stefan Beck (Eriskirch, Germany), Michael Wechs (WeiBensberg, Germany), Fabian Kutter (Kressbronn, Germany), Thomas Martin (Weissensberg, Germany) and Thomas Riedisser (Sigmarszell, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A planetary-type bottom-bracket transmission for a bicycle or a pedelec includes a pedal crank shaft, a transmission output shaft, further shafts, and a first transmission shift group and a second transmission shift group. The first transmi...