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Priority to ES1974200229UpriorityCriticalpatent/ES200229Y/en
Publication of ES200229UpublicationCriticalpatent/ES200229U/en
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Publication of ES200229YpublicationCriticalpatent/ES200229Y/en
Improved mechanism for bicycles, constituting a bottom bracket for the kinematic transmission of the forces present in the arms of the pedals to the gear wheel, by means of two annular ribs on their faces, on which intermediate balls run in the drive of said ribs by jagged sections belonging to one of the arms and a radial piece parallel thereto, essentially characterized in that the first pedal arm is integral with an axial shaft whose middle part is fitted with a toothed ring sector, meshed with a conical shaft wheel vertical, arranged perpendicularly to said tree and in turn engaged with another toothed sector existing in a lateral recess of a hollow cylindrical body, constituting a second axial shaft that surrounds the first without being integral with it and extends in its stump to which the second pedal arm is fixed, the second body being mounted on balls in case covers-bearings bottom bracket, advantageously cylindrical configuration, whose side serves as a guide for the link crown between the two sectors dentados, while at its other end the second shaft has a grooved crown for fixing the radial piece equipped with dual device tooth and ball transmitters of efforts to the wheel-toothed plate. (Machine-translation by Google Translate, not legally binding)
ES1974200229U1974-01-301974-01-30
PERFECTED MECHANISM FOR BICYCLES.
ExpiredES200229Y
(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)
System of transmission of the movement between the engine, the wheel drive and the axle of the pedals for bikes and motor tricycle, suitable to allow the start up to the motor pedal (Machine-translation by Google Translate, not legally binding)
Aguadaºar machine adapted to the tracera wheel opposed to the motorcycle mechanism of the light vehicles (Machine-translation by Google Translate, not legally binding)
Oscillating fork device for suspension of the motorcycle, motorcycle and similar motor wheel. (Machine-translation by Google Translate, not legally binding)