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US Patent 11518474 Bicycle sprocket arrangement

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11518474
Date of Patent
December 6, 2022
Patent Application Number
16255826
Date Filed
January 24, 2019
Patent Citations
‌
US Patent 11028916 Bicycle sprocket
Patent Primary Examiner
‌
Michael R Mansen
CPC Code
‌
B62M 9/10
‌
B62M 9/12
‌
B62M 9/121
‌
F16H 55/30

A bicycle sprocket arrangement comprises a smaller sprocket and a larger sprocket. The larger sprocket has at least one upshifting facilitation area configured to facilitate an upshifting operation in which a bicycle chain is shifted from the larger sprocket toward the smaller sprocket. The at least one upshifting facilitation area includes an upstream tooth, an intermediate tooth, and a downstream tooth. The upstream tooth has a first recessed portion. The intermediate tooth has a second recessed portion. The downstream tooth has at least one of a third recessed portion and a chamfered portion. The at least one of the third recessed portion and the chamfered portion are separated from the second recessed portion.

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