Back to results
US 2004/0176896 A1Published application
Bicycle shift control apparatus with preferential shifting
AssigneeShimano Inc.
InventorsKazuhiro Takeda, Tadashi Ichida
Life of this patent
Estimating the term…
Abstract
A shift control apparatus is provided for a bicycle that has a front transmission and a rear transmission, wherein each transmission has a plurality of gear steps. The apparatus comprises a travel condition sensing unit and a control unit that operates one of the front transmission and the rear transmission in priority to the other one of the front transmission and the rear transmission based on the travel condition.
Claims22
An automatic shift control apparatus for a bicycle that has a front transmission and a rear transmission, each transmission having a plurality of gear steps, wherein the apparatus comprises:
- a travel condition sensing unit;
- and
- a control unit that operates one of the front transmission and the rear transmission in priority to the other one of the front transmission and the rear transmission based on the travel condition.
Dependencies are inferred from the claim text.