The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2025
Filed:
May. 16, 2024
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Stefan Beck, Eriskirch, DE;
Michael Wechs, Weißensberg, DE;
Fabian Kutter, Kressbronn, DE;
Thomas Martin, Weissensberg, DE;
Mladjan Radic, Lonsee, DE;
Thomas Riedisser, Sigmarszell, DE;
Hagen Doepfert, Lindau, DE;
Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A bottom bracket planetary gear mechanism for a bicycle or a pedelec includes a gear mechanism shifting group having first and second planetary gear sets and first, second, and fifth shifting elements. A second element of the first gear set is connected to a first shaft, a first element of the first gear set is connected via a fourth shaft to a first element of the second gear set, and a third element of the first gear set is fixable via a second shaft and a first shifting element. The third element of the first gear set is connected via the second shaft to a second element of the second gear set. A third element of the second gear set is fixable via a third shaft and a second shifting element. A fifth shifting element blocks the first and second gear sets.