2-way bicycle drive unit

Details 2-way bicycle drive unit 2-way bicycle drive unit

1996-10-16

1999-03-23

Hurley, Kevin

Land vehicles

Wheeled

Occupant propelled type

282252, 282261, B62M 904

Patent

active

058849270

ABSTRACT:
In a first form, a drive sprocket is driven constantly in a forward direction. It is mounted on a central main shaft. A pair of mutually opposed one-way clutches each have a driving part on the shaft and a driven part on the sprocket, and in pedaling in either of opposite directions, the corresponding clutch becomes active and drives the sprocket in corresponding direction which is the same forward direction. In a second form, there is a direct drive unit, and a reverse drive unit, respectively driving the sprocket in its same forward direction.

REFERENCES:
patent: 504168 (1893-08-01), Morris
patent: 5254042 (1993-10-01), Chung-suk
patent: 5435583 (1995-07-01), Foster, Jr.
patent: 5533741 (1996-07-01), Matsuo
patent: 5551718 (1996-09-01), Toronto et al.
patent: 5662346 (1997-09-01), Toronto et al.
patent: 5662347 (1997-09-01), Toronto et al.

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