Transmission device for non-motorized vehicles. (Machine-translation by Google Translate, not legally binding)

摘要

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)