Bicycle

Details Bicycle Bicycle

2005-02-08

2005-02-08

Crow, S. R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

C482S063000

Reexamination Certificate

active

06852070

ABSTRACT:
A bicycle includes a frame and a wheel rotatably mounted in relation thereto. The wheel is drivable by two pedal devices including pedal-equipped arms. The two pedal devices are individually mounted in different bearings and connected to the wheel via two different transmissions, which separately co-operates with a mechanical clutch. The clutch includes a dog being movable to and from opposite shoulder surfaces of which a first one guarantees driving the wheel when the dog, in an active state, is pressed against the first shoulder, and the second shoulder gives rise to noise when the dog, in an inactive state, collides with the second shoulder.

REFERENCES:
patent: 4477072 (1984-10-01), DeCloux
patent: 4550906 (1985-11-01), Im
patent: 5433680 (1995-07-01), Knudsen
patent: 5496238 (1996-03-01), Taylor
patent: 5735774 (1998-04-01), Maresh

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