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Patent Searching and Data


Title:
RETROFITTING ELECTRIC DEVICE FOR BICYCLE, AND BICYCLE
Document Type and Number:
WIPO Patent Application WO/2019/220785
Kind Code:
A1
Abstract:
[Problem] To make it possible to easily modify various types of existing bicycles to electric-assist bicycles. [Solution] A retrofitting electric device for a bicycle is provided with: a housing 52 which is configured to be attached to the frame 18 of a bicycle 10; an electric motor 54 which is attached to the housing 52; an annular rotating plate 84 which is provided rotatably on the housing 52 so as to be arranged around the rotation central axis of a pedal crank shaft 24 of the bicycle 10 and which is connected to the electric motor 54 in a torque transmitting relation; and a linking member 90 which, so as to rotate integrally with the crank shaft 24, includes a first linking unit 92 linked by shape engagement to the crank shaft 24 and a linking pin 98 fixed to the rotating plate 84.

Inventors:
TSUKAMOTO KENJI (JP)
Application Number:
PCT/JP2019/013247
Publication Date:
November 21, 2019
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
B62M23/02; B62M6/55
Foreign References:
JP2009248668A2009-10-29
US20100263468A12010-10-21
US20170320538A12017-11-09
KR20180077611A2018-07-09
JP2007091159A2007-04-12
JP2009248668A2009-10-29
JP2002264881A2002-09-18
Other References:
"Bimoz IndieGogo Edition, Installation and operation manual", BIMOZ USER MANUAL, VERSION 1.0., 2016, pages 5 - 13, XP055652998
See also references of EP 3816031A4
Attorney, Agent or Firm:
OSHIMA & PARTNERS (JP)
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