Bicycle propulsion system

Details Bicycle propulsion system Bicycle propulsion system

2006-02-21

2006-02-21

Hurley, Kevin (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C280S240000

Reexamination Certificate

active

07000934

ABSTRACT:
The disclosure herein provides a two-wheel bicycle system wherein a pair of long levers are arranged on the cross-beam of the frame, to provide the fulcrum for the motion of the levers. The tops of the levers comprise handles perpendicular to such levers, with linkages to a circular and rotatable crank, which rotates in a plane parallel to the ground about a column commonly found in the steering mechanism for such a bicycle. The bottom ends of the levers connect to linking members to connect such levers to the pedals commonly found in such a bicycle. Such linking members are provided so that they are disconnected and then rotatable to be mounted on the diagonal frame piece of the bicycle, when the bicycle is used with hand-operated steering and foot-operated power. Before disconnection, only upper body energy is used to control both steering and powering the bicycle.

REFERENCES:
patent: 551667 (1895-12-01), Dunn
patent: 3895825 (1975-07-01), Sink
patent: 5775708 (1998-07-01), Heath
patent: 6032970 (2000-03-01), Porter
patent: 6105985 (2000-08-01), Cosgrave

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