Electromechanical bicycle transmission
AssigneeSocieta Italiano Cantene Calibrate Regina S.P.A.
InventorAmedeo Ancarani Restelli
Life of this patent
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Abstract
An electromechanical bicycle transmission (10) comprises an electric motor (16) controlling through a first rigid mechanism (29) the movement of a first element (28) connected through preloaded yielding springs (24,25) to a second movement element (21) through another rigid mechanism (18,19,20) of a sprocket change mechanism member (11) moving to engage a transmission chain (12) opposite a predetermined sprocket of a plurality of coaxial sprockets (13) of different diameters.
Claims23
An electromechanical transmission for bicycles of the type comprising a sprocket change mechanism moving to engage a motion transmission chain opposite a predetermined sprocket of a plurality of coaxial sprockets of different diameters characterized in that it comprises an electric motor controlling through a first rigid mechanism a first element connected through preloaded yielding means to a second moving element of the sprocket change mechanism through another rigid mechanism for movement thereof between end positions corresponding to engagement of the chain with the first and last sprockets of the plurality.
Dependencies are inferred from the claim text.