Patent ID: 8955660
Filing Date: 2015-02-17
Classification: B60B,B60Y,F16D

Abstract:
1. A wheel hub, in particular bicycle rear wheel hub, comprising hub shell and freewheel shell both supported by bearings to be rotatable relative to the hub axle, where the hub shell is slidingly coupled through spline coupling with a freewheel coupling ring provided with axial pawl teeth on its axial face, wherein an annular permanent magnet is seated in the freewheel coupling ring, and another permanent magnet is arranged coaxial to the annular permanent magnet in the hub shell, while the axial pawl teeth of the freewheel coupling ring intermesh with axial pawl teeth of the freewheel shell, and also an inner ring of a first bearing disposed in the hub shell abuts against a hub axle collar and an outer ring of the first bearing is urged towards the said hub axle collar by an adjusting screw screwed in the hub shell from a non-drive side, while an inner ring of a second bearing abuts against the hub axle collar, and the outer ring of the second bearing abuts on an opposing side against an axial lip in a hub shell interior, and a third bearing outer ring abuts against an axial face of a freewheel shell inner lip, while from the drive side of the hub, an axial face of spacer sleeve abuts against the third bearing and the spacer sleeve other axial face abuts against a collar of an end cap received in a hub axle bore.