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Title:
MOTOR UNIT AND ELECTRIC BICYCLE
Document Type and Number:
Japanese Patent JP2021187418
Kind Code:
A
Abstract:
To provide a motor unit that has enhanced quietness and durability, and to provide an electric bicycle including the same.SOLUTION: A motor unit 3 used for an electric bicycle includes: a crankshaft 6 driven by human power; a motor 5 with a motor shaft 51; an output body 8 for outputting rotation of the crankshaft 6; and a speed reduction mechanism 4 for transmitting rotation of the motor shaft 51 while reducing the speed thereof. The speed reduction mechanism 4 includes: a drive gear 413 rotating integrally with the motor shaft 51; and a driven gear 415 meshing with the drive gear 413. At least the driven gear 415 of the speed reduction mechanism 4 is made of a material that is polyacetal.SELECTED DRAWING: Figure 3

Inventors:
KAWAKAMI MASAFUMI
Application Number:
JP2020097996A
Publication Date:
December 13, 2021
Filing Date:
June 04, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CORP
International Classes:
B62M6/55; F16H1/06; F16H1/08; F16H55/06
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office



 
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