Title:
A drive unit and an electric bicycle
Document Type and Number:
Japanese Patent JP6218172
Kind Code:
B2
Abstract:
A driving unit and a battery-assisted bicycle capable of achieving both an increased assist ratio and smooth assist control that does not make a rider feel uncomfortable is provided. The driving unit 40 includes a crankshaft 41 to which pedals 33 and 34 are to be connected, a crank rotation detector 58 that detects rotation of the crankshaft 41, and an assist control stopping unit 106 that stops assist control in response to the rotation of the crankshaft 41 detected by the crank rotation detector 58.
Inventors:
Nobuyasu Yumune
Satoshi Kamiya
Masanori Negoro
Satoshi Kamiya
Masanori Negoro
Application Number:
JP2013252302A
Publication Date:
October 25, 2017
Filing Date:
December 05, 2013
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B62M6/45
Domestic Patent References:
| JP8290795A | ||||
| JP9286377A | ||||
| JP200163678A | ||||
| JP1035576A |
Foreign References:
| WO2012035682A1 |
Attorney, Agent or Firm:
Hidetoshi Ueba
Takao Matsuyama
Go Sakane
Kawakami Keiko
Takao Matsuyama
Go Sakane
Kawakami Keiko