Patent ID: 9290049
Filing Date: 2016-03-22
CPC Classification: B60B,F16D

Claim Text:
1. A bicycle hub assembly, comprising: a hub shell comprising a toothed drive member mounting hole and a locating groove; a locating member comprising a positioning portion accommodated in said locating groove of said hub shell; and a toothed drive member comprising a first locating portion fastened to said positioning portion of said locating member and a plurality of teeth formed therein, wherein said hub shell further comprises a plug hole and said locating member further comprises a plug portion connected with said positioning portion and plugged into said plug hole of said hub shell, wherein the positioning portion of the locating member is a circular positioning pin and the plug portion of the locating member is a circular plug pin coaxially and integrally formed with the circular positioning pin, wherein the locating member is detachably coupled to the hub shell and the locating member is detachably coupled with the toothed drive member, wherein the plug hole of the hub shell is a complete circular plug hole into which the circular plug pin is inserted in a manner that a circumferential periphery of the circular plug pin is totally in contact with a circumferential wall of the complete circular plug hole, wherein the locating groove of the hub shell is an opened groove having a semicircular cross-section and a radius equal to a radius of the circular positioning pin; the locating groove is coaxial with the circular positioning pin, and wherein the first locating portion of the toothed drive member is an opened groove having a semicircular cross-section and a radius equal to the radius of the circular positioning pin; the first locating portion of the toothed drive member is coaxial with the circular positioning pin.