Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomonari Oka0
Date of Patent
March 22, 2022
0Patent Application Number
160080310
Date Filed
June 14, 2018
0Patent Citations
Patent Citations Received
Patent Primary Examiner
A sprocket support body is rotatably mounted on a hub axle of a bicycle rear hub assembly. The sprocket support body comprises at least ten external spline teeth configured to engage with a bicycle rear sprocket assembly. Each of the at least ten external spline teeth has an external-spline driving surface and an external-spline non-driving surface.
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