ES1031562U - Improved bicycle. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improved bicycle that constituting from a conventional or special box for the intended purpose, counting with their wheels front and back, telling this with the drive system consisting of a bottom bracket with plato, sprockets and chain, essentially is defined because on the fork fitting the front wheel va placed a mechanism with interposition one piece linked to the axis of that fork front wheel, mechanism is structured so that allows the address that front wheel and therefore bicycle, and supplement the driving force caused by the shaft bracket conventional that, while this mechanism structured from an axis whose ends extend into sendas rods in opposition parallel and topped in handles with their grips grip manual, determining a bottom bracket manually operable; being provided in those grips montenrespectivas lever-tong actionable with fingers to carry out through the proper transmission between a shaft mounted axially on the stretch in riding the grip and arm-balancin linked that axis, displacement one way or another one piece by way fork mounted on own axle and related to the two arms-rocker located on either side of the axis pedalier constitutes the mechanism, having said shaft with a pinion whose rotation by operating repeated manual bottom bracket transmits the force through a chain on a piñon mounted shaft conventional own bicycle. (Machine-translation by Google Translate, not legally binding)