The invention relates to a toothed wheel assembly (10) for a cassette comprising: at least one first toothed wheel (12) and a second toothed wheel (13) concentric to the first toothed wheel (12) having a number of teeth (14) greater than the first toothed wheel (12); a radially inner cylindrical portion (16) to engage a sprocket support body; a plurality of spokes (19) comprising respective first constraining portions (20) to the first toothed wheel (12) and second constraining portions (21) to the radially inner cylindrical portion (16); a plurality of connection bodies (25) that connect the first (12) and the second toothed wheel (13) and having an axially-extending portion (26); wherein at at least one pair of spokes (19) there are respective connection bodies (25) having axially-extending portions (26) with an extension in the circumferential direction (ECC) the radial projection of which is at least partially contained in the minimum extension in the circumferential direction (EMR) of a respective spoke (19).
TOOTHED WHEEL ASSEMBLY FOR A CASSETTE
ZAHNRADANORDNUNG FÜR EINE KASSETTE
ENSEMBLE ROUE DENTÉE POUR UNE CASSETTE
04.05.2022
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |