Bottom Bracket Gearing System with an Arrangement for Actuating a Brake Shift Element
AssigneeZF Friedrichshafen AG
InventorsPeter Ziemer, Hagen Doepfert
Life of this patent
Estimating the term…
Abstract
A bottom bracket gearbox for a bicycle, the bottom bracket gearbox having a planetary gear set design, the bottom bracket gearbox including at least one brake shift element, at least one brake pawl actuatable for blocking and releasing an associated gearbox component for shifting a gear step, and an arrangement for actuating the at least one brake pawl. The arrangement includes at least one cam element, each of the at least one cam element being operatively connected to a respective one of the at least one brake pawl and being separately activatable.
Claims12
1-11. (canceled)
A bottom bracket gearbox for a bicycle (1), the bottom bracket gearbox having a planetary gear set design, the bottom bracket gearbox comprising:
- at least one brake shift element (B1, B2, B3, B4);
- at least one brake pawl (6, 7, 8, 9) actuatable for blocking and releasing an associated gearbox component for shifting a gear step (G1-G16);
- and
- an arrangement for actuating the at least one brake pawl (6, 7, 8, 9), the arrangement comprising at least one cam element (2, 3, 4, 5), each of the at least one cam element (2, 3, 4, 5) being operatively connected to a respective one of the at least one brake pawl (6, 7, 8, 9) and being separately activatable.
Dependencies are inferred from the claim text.