Bicycle rear sprocket assembly

A bicycle rear sprocket assembly comprises a first sprocket and a second sprocket. The first sprocket includes a first torque-transmitting profile disposed around a first sprocket opening. The second sprocket includes a second torque-transmitting profile disposed around a second sprocket opening. Th...

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Bibliographic Details
Main Authors OKA, TOMONARI, FUKUMORI, TSUYOSHI
Format Patent
LanguageChinese
English
Published 16.06.2021
Subjects
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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Summary:A bicycle rear sprocket assembly comprises a first sprocket and a second sprocket. The first sprocket includes a first torque-transmitting profile disposed around a first sprocket opening. The second sprocket includes a second torque-transmitting profile disposed around a second sprocket opening. The first torque-transmitting profile is configured to engage with the second torque-transmitting profile in the mounted state. The first sprocket includes an axial abutment surface configured to axially abut against the second sprocket for axially positioning the first sprocket and the second sprocket relative to each other in the mounted state. The axial abutment surface is disposed farther from an axial center plane of the bicycle rear hub assembly than the first torque-transmitting profile in the mounted state.
Bibliography:Application Number: TW20209135830