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Bicicletas Iriondo SA
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Bicicletas Iriondo SA
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Publication date
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Priority to ES1971166934UpriorityCriticalpatent/ES166934Y/en
Publication of ES166934UpublicationCriticalpatent/ES166934U/en
Application grantedgrantedCritical
Publication of ES166934YpublicationCriticalpatent/ES166934Y/en
Shafts, Cranks, Connecting Bars, And Related Bearings
(AREA)
Abstract
Adjustable friction device for fixed gymnastic unicycles, characterized in that it consists of a spindle with two sections of different diameter inversely threaded; one of the sections, provided with a head, threaded an external bushing integral with the frame of the gymnastics apparatus and the section of smaller diameter is screwed to another inner bushing concentric with the outside and on which it can slide axially guided by a captive screw which houses its free end in the longitudinal pocket that has said inner sleeve; all this so that this inner sleeve ends at its outer end in a fork; solidaria with him, which lodges between its branches to a roller of free rotation that. Will be the one that provides the friction on the tread of the wheel of the unicycle driven by the pedals, being able to regulate the pressure exerted by the roller by means of the opportune rotation of the spindle mentioned. (Machine-translation by Google Translate, not legally binding)
ES1971166934U1971-03-131971-03-13
ADJUSTABLE FRICTION DEVICE FOR FIXED GYMNASTIC SINGLE CYCLES.
ExpiredES166934Y
(en)
Improvements introduced in the transmission or movement system for the best operation of bikes, velocºpedos and similar, moved to pedal (Machine-translation by Google Translate, not legally binding)