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Priority to ES8703371UpriorityCriticalpatent/ES1003752Y/en
Publication of ES1003752UpublicationCriticalpatent/ES1003752U/en
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Publication of ES1003752YpublicationCriticalpatent/ES1003752Y/en
Transmission device for non-motorized vehicles, comprising two levers work connected by one of their extemal an axis may agree or disagree with one of the drive hubs geometricos vehicle wheel; connecting two rods for one end to the operating levers, while on the other end is connected to the ends or fly a crankshaft, so that to be carried out on free lever end force, the swing these make reciprocation the connecting rods-handles becomes a circular motion frills crank, transmitted the circular, by chains-belts, a piñon-pulley willing move in shaft drive wheel the proper vehicle producing multiplying the number of revolutions such sprocket. (Machine-translation by Google Translate, not legally binding)
ES8703371U1987-10-301987-10-30
TRANSMISSION DEVICE FOR VEHICLES WITHOUT MOTOR.
ExpiredES1003752Y
(en)
A transfer mechanism of force with change of march for bicycles and other vehicles moved by pedals (Machine-translation by Google Translate, not legally binding)