DISPOSITIVO PER BICICLETTA

Device for bicycles, comprising a substantially elliptical-shaped guide (10) and an arm-pedal (11, 18) adapted to be fixed to the hub (15) of a gear wheel (16) of a bicycle and adapted to rotate integrally with said hub (15) under the action exerted by the user on the respective pedal (18), a part (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ZANIERI, GIANNI
Format:	Patent
Sprache:	ita
Schlagworte:	CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING
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Beschreibung
Zusammenfassung:	Device for bicycles, comprising a substantially elliptical-shaped guide (10) and an arm-pedal (11, 18) adapted to be fixed to the hub (15) of a gear wheel (16) of a bicycle and adapted to rotate integrally with said hub (15) under the action exerted by the user on the respective pedal (18), a part (17) of the arm-pedal (11) being engaged in said guide (10) following the profile thereof while the arm-pedal (11) rotates with the hub (15), wherein the arm-pedal (11) comprises a first external element (12) and a second inner element (13) adapted to slide inside the first element (12). Said first external element (12) of the arm-pedal (11) has a first open end and a second open end (120, 121) and is fixed to the hub (15) in correspondence of a first open end (120). The second inner element (13) is inserted in the first external element (12) passing through said first and second open ends (120, 121) of the first external element (12).