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US 2017/0283002 A1Published application
Bicycle shifter, bicycle transmission device, and bicycle electric system
AssigneeShimano Inc.
InventorsTadashi ICHIDA, Noriaki TAKAHASHI
Life of this patent
Estimating the term…
Abstract
A bicycle transmission is provided that includes a transmission, a connecting portion, a cable and a detection device. The connecting portion is connected to the transmission. The cable is coupled to the connecting portion to operate the transmission. The detection device is arranged to detect movement of the connecting portion.
Claims15
A bicycle transmission device comprising:
- a transmission;
- a connecting portion connected to the transmission;
- a cable coupled to the connecting portion to operate the transmission;
- and
- a detection device arranged to detect movement of the connecting portion.
2 more elements
A bicycle electric system comprising:
- a transmission;
- a detection device arranged to detect movement of the transmission;
- and
- a controller programmed to control an assist motor for assisting a manual drive force based on a signal from the detection device, the controller being programmed to either reduce an output of the assist motor or stop the output of the assist motor based on the signal.
1 more element
A bicycle electric system comprising:
- a transmission;
- an electric actuator configured to operate the transmission;
- a connecting portion connecting the electric actuator to the transmission;
- a detection device arranged to detect movement of one of the electric actuator and the connecting portion;
- and
- a controller programmed to control an assist motor for assisting the manual drive force based on a signal from the detection device,
- the controller being programmed to either reduce an output of the assist motor or stop the output of the assist motor based on the signal.
4 more elements
A connecting portion comprising:
- a fixing portion configured to be coupled to a wheel axle;
- a rotating body rotatable with respect to the fixing portion, the rotating body configured to be attached to a cable coupled to operate a transmission;
- and
- a detection device arranged to detect movement of the rotating body.
1 more element
Dependencies are inferred from the claim text.