Bicycle propulsion assembly having telescoping elongate...

B - Operations – Transporting – 62 – M

Patent

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Details

B62M 1/04 (2006.01)

Patent

CA 2722284

The present invention provides a propulsion assembly for a bicycle. The propulsion assembly includes a support member that at least extends from the bicycle frame to a distal end spaced-apart from the rear wheel. The assembly includes a first drive mechanism rotatably mounted on the frame and axially connected to the rear wheel for transmitting motion thereto. A second drive mechanism is rotatably mounted at the distal end of the support member and coupled with the first drive mechanism. Ratchet mechanisms axially extend from the second drive mechanism and connect to a pair of elongate members. The bicycle has pedal arms with pedals extending therefrom. The elongate members are pivotally, operatively connected to the pedals. The pedals with pedal arms are movable in a circular manner for transmitting rotational power to the elongate members for propelling the bicycle.

La présente invention concerne un ensemble de propulsion pour une bicyclette. Lensemble de propulsion comprend un élément de support qui sétend au moins à partir du cadre de bicyclette jusquà une extrémité distale espacée de la roue arrière. Lensemble comprend un premier mécanisme dentraînement monté de manière rotative sur le cadre et axialement raccordé à la roue arrière pour transmettre le mouvement à celle-ci. Un second mécanisme dentraînement est monté de manière rotative sur lextrémité distale de lélément de support et accouplé au premier mécanisme dentraînement. Des mécanismes dencliquetage sétendent axialement à partir du second mécanisme dentraînement et sont reliés à une paire déléments allongés. La bicyclette comporte des leviers de pédale à partir desquels sétendent des pédales. Les éléments allongés sont raccordés aux pédales fonctionnellement, en pivotement. Les pédales, avec les leviers de pédale, peuvent être déplacées de manière circulaire pour transmettre la force de rotation aux éléments allongés afin de propulser la bicyclette.

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