US 9,809,276 B2
Electric bicycle derailleur control system
Takafumi Katsura, Osaka (JP); Keijiro Nishi, Osaka (JP); Yuta Mizutani, Osaka (JP); and Hiroshi Tachibana, Osaka (JP)
Assigned to Shimano Inc., Osaka (JP)
Filed by Shimano Inc., Sakai, Osaka (JP)
Filed on Feb. 29, 2016, as Appl. No. 15/55,998.
Prior Publication US 2017/0247082 A1, Aug. 31, 2017
Int. Cl. F16H 9/00 (2006.01); F16H 59/00 (2006.01); F16H 61/00 (2006.01); F16H 63/00 (2006.01); B62M 9/132 (2010.01)
CPC B62M 9/132 (2013.01) 16 Claims
OG exemplary drawing
 
1. An electric bicycle derailleur control system comprising:
a derailleur including a chain guide to displace a bicycle chain and an electrical actuator operatively coupled to the chain guide to displace the chain guide;
a detecting device configured to detect information related to a reaction force of the bicycle chain; and
a controller configured to control the electrical actuator in accordance with the detected information such that a displacement amount of the chain guide during a shifting operation is set in accordance with the reaction force.