Electric assisted bicycle

Details Electric assisted bicycle Electric assisted bicycle

2006-05-09

2006-05-09

Morris, Lesley D. (Department: 3611)

Motor vehicles

Special wheel base

Rider propulsion with additional source of power, e.g.,...

C180S220000, C192S01700D, C192S217000

Reexamination Certificate

active

07040440

ABSTRACT:
An electric assisted bicycle of simple structure is provided which is superior in the stability, reliability, and certainty of operation, and is provided with an electric power regenerative function and a brake assist function. A pedal force transmitted from a crank shaft is transmitted to an axle shaft via first transmission means, and the output of a motor as an assistant motive power is transmitted to the axle shaft via a clutch unit, which can switch a lock direction in conjunction with brake operation by a cyclist, and second transmission means.

REFERENCES:
patent: 4637274 (1987-01-01), Goldenfeld
patent: 6157149 (2000-12-01), Ohnuma
patent: 2001-213383 (2001-08-01), None

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