Electric powered bicycle

Details Electric powered bicycle Electric powered bicycle

1995-09-22

1997-02-18

Johnson, Brian L.

Motor vehicles

Special wheel base

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

180220, 180 652, B62M 700

Patent

active

056033885

ABSTRACT:
An electric powered bicycle having a dip sensor or switch and/or a gradient sensor or switch. The bicycle has front and rear wheels each rotatably supported by a frame; a chain slung between the wheels and a chainset for transferring manual power to the wheels; an electric motor coupled to one of the wheels for driving the wheel directly; and a power supply capable of supplying electric power to the motor. The dip gradient sensors are associated with a pulse width modulation circuit.

REFERENCES:
patent: 3921741 (1975-11-01), Garfinkle et al.
patent: 4221275 (1980-09-01), Pennebaker et al.
patent: 4364448 (1982-12-01), Ikuma
patent: 4541500 (1985-09-01), Gelhard

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