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US 12,384,491 B2Granted
Bicycle derailleur
AssigneeSram, LLC
InventorsChristopher Shipman, Sage Hahn
Life of this patent
Estimating the term…
Abstract
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 the electrical generator system and/or motor with a flexible electrical conductor.
Claims20
A bicycle derailleur comprising:
- a base member mountable to a bicycle frame;
- a cage assembly moveably coupled to the base member with a coupling assembly, the cage assembly including an upper pulley and a lower pulley;
- an electrical generator system coupled to and moveable with the cage assembly, the electrical generator system including a generator drive system configured with the upper pulley as an input;
- a motor coupled to and moveable with the cage assembly, wherein the motor is operable to move the cage assembly in opposite first and second directions;
- and
- at least one energy storage device mounted on at least one of the base member and/or coupling assembly, wherein the energy storage device is electrically connected to the electrical generator system.
3 more elements
A bicycle derailleur comprising:
- a base member mountable to a bicycle frame;
- a moveable member movably connected to the base member;
- a cage assembly rotatably coupled to the moveable member, the cage assembly moveable relative to the moveable member in a first direction and a second direction, the cage assembly including an upper pulley and a lower pulley;
- an electrical generator system coupled to and moveable in the first direction and the second direction with the cage assembly, the electrical generator system operated by rotation of the upper pulley;
- a motor coupled to and moveable with the cage assembly in the first and the second direction, wherein the motor is operable to move the cage assembly in the first and the second direction;
- an energy storage device spaced apart from the cage assembly, wherein the cage assembly is moveable relative to the energy storage device;
- and
- a flexible electrical conductor electrically connecting the energy storage device and the electrical generator system.
5 more elements
Dependencies are inferred from the claim text.