A drive system for a human powered vehicle

A - Human Necessities – 61 – G

Patent

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Details

A61G 5/02 (2006.01)

Patent

CA 2615371

A drive system (3) for a human powered vehicle. The drive system (3) includes at least one input member (31), a transmission system (21) arranged to convert movement of the input member (31) to rotation of an output member (83), and a lock mechanism (123) including at least one drive member (133) for selectively locking a drive wheel (11, 13) to rotation of the output member (83) for rotation therewith. The drive member (133) is arranged for movement from a first operational position in which the drive wheel (11, 13) is not locked to the output member (83) to a second operational position in which the drive wheel (11, 13) is locked to the output member (83), and back to the first operational position, under the control of a user of the vehicle. The drive system (3) allows the user to choose between propelling the vehicle using the drive system (3) or disengaging the drive system (3) from the drive wheel (11, 13) and propelling the vehicle by some other means, for example by wheel rims.

L'invention porte sur le système d'entraînement (3) d'un véhicule à propulsion humaine comportant au moins: un élément d'introduction (31); une transmission (21) convertissant le mouvement de l'élément d'entrée (31) en mouvement de rotation d'un élément de sortie (83), un mécanisme de verrouillage (123) comprenant au moins un élément d'entraînement (133) verrouillant sélectivement une roue motrice (11, 13) sur l'élément de sortie (83) pour tourner avec lui. Ledit élément d'entraînement (133) comporte une première position où la roue motrice (11, 13) n'est pas verrouillée sur l'élément de sortie (83) et une deuxième position où la roue motrice (11, 13) est verrouillée sur l'élément de sortie (83) et d'où elle peut revenir à la première position lorsque l'utilisateur du véhicule le commande. Le système d'entraînement (3) permet donc à l'utilisateur de choisir entre la propulsion du véhicule par ledit système (3) ou la propulsion du véhicule par un autre moyen par exemple en actionnant les jantes des roues, après avoir désolidarisé le système (3) de la roue motrice.

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