Title:
DRIVE UNIT AND ELECTRIC POWER-ASSISTED BICYCLE
Document Type and Number:
WIPO Patent Application WO/2016/024300
Kind Code:
A1
Abstract:
The present invention comprises a crank shaft 14 that is rotatable by human drive power; a combined power transmitting element 15 that is rotatable by a combined drive power combining human drive power and auxiliary drive power; a power output wheel element 16 provided on the combined power transmitting element 15; and a gearbox 17 for changing the rotational speed of the combined drive transmitting element 15; wherein the crank shaft 14 and the combined power transmitting element 15 are provided on the same axis; and the gearbox 17 has a plurality of selectable gears with different gear ratios, and is provided with a detection device for detecting the selected gear.
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Inventors:
KAWAKAMI MASAFUMI
OZAWA SATOSHI
OZAWA SATOSHI
Application Number:
PCT/JP2014/004164
Publication Date:
February 18, 2016
Filing Date:
August 11, 2014
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B62M6/50; B62M6/45; B62M6/55; B62M9/04
Foreign References:
| JP5523636B1 | 2014-06-18 | |||
| JP2001270486A | 2001-10-02 | |||
| JPH09207863A | 1997-08-12 | |||
| JP5202769B1 | 2013-06-05 |
Other References:
See also references of EP 3181437A4
Attorney, Agent or Firm:
MORIMOTO INT'L PATENT OFFICE (JP)
Patent business corporation Morimoto international patent firm (JP)
Patent business corporation Morimoto international patent firm (JP)
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