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Steering Devices For Bicycles And Motorcycles
(AREA)
Abstract
Bicycle mechanism, perfected, essentially characterized in that the arm of the right pedal is coupled to an axial shaft internal to the bottom bracket that is surrounded by a second tubular shaft, prolonged in a stump to which the carrier arm of the second pedal is fixed, forming said arms an angle of the order of 90v, deriving from the internal tree a crown sector of plane perpendicular to that of its ideal axis, with an amplitude equivalent to that of the angle formed by the arms of the pedals and with its serrated periphery in conjugation with a toothed crown, located on the periphery of the underside of a plate of ideal vertical axis, whose core is supported by a bushing mounted on the bottom of the bicycle frame, engaging with the aforementioned crown of the plate another toothed sector belonging to the external part of the second tubular tree, which is thus kinematically coupled to the first and with the possibility of describing with respect to this one an angle determined by the one of the arms of the pedals. (Machine-translation by Google Translate, not legally binding)