US Patent 7404676 Axial lock for the wheel bearing of pole vehicles

An axial securing system for the wheel bearing of a pole-guided vehicle is described, in which the wheel bearing is positioned in line with the pole pivot point (1) and centrally with respect to the wheel area, the system comprising at least two clip-rings (3) seated in grooves (7), and the parts of the housing (4, 5) that form a gap (6) over the clip-rings (3) are extended in the direction of the clip-rings (3) so that the gap (6) above the clip-rings (3) is smaller than the grooves (7) in which the clip-rings (3) are seated.