Driven wheel assembly and automotive vehicle equipped with such an assembly
A wheel assembly includes a fixed axle spindle, a rotating drive shaft extending inside the axle spindle, a bearing, a hub, a brake disc, and a wheel rim. An inner ring of the bearing is mounted on the spindle, the hub is mounted on an outer ring of the bearing and the drive shaft, the brake disc and the rim are fast in rotation with the hub. The drive shaft is mounted on the hub, the brake disc is mounted on the drive shaft and the rim is mounted on the brake disc, in that order, from an interior side to an exterior side of the wheel assembly with respect to a vehicle provided with said wheel assembly.
1. Driven wheel assembly comprising:
a fixed axle spindle,
a rotating drive shaft extending inside the axle spindle,
a bearing,
a hub,
a brake disc,
a wheel rim,
an inner ring of the bearing being mounted on the spindle, whereas the hub is mounted on an outer ring of the bearing and the drive shaft, the brake disc and the wheel rim are secured on the hub with the same screws,
wherein:
the drive shaft is mounted on the hub,
the brake disc is mounted on the drive shaft,
the rim is mounted on the brake disc,
in that order, from an interior side to an exterior side of the wheel assembly with respect to a vehicle provided with the wheel assembly.
2. Driven wheel assembly according to claim 1 , wherein each of the drive shaft, the brake disc and the wheel rim is provided with a radially extending mounting flange, wherein the three flanges are adapted to be mounted against each other, in the order in which the drive shaft, the brake disc and the wheel rim are mounted, and wherein the hub is provided with a mounting surface perpendicular to a longitudinal axis of the hub, adapted to lie against the flange of the drive shaft.
3. Driven wheel assembly according to claim 2 , wherein the screws are mounted through the three flanges and screwed in the hub.
4. Driven wheel assembly according to claim 3 , wherein wherein the screws are mounted through the three flanges and are screwed in the hub perpendicularly to the mounting surface.
5. Driven wheel assembly according to claim 1 , wherein the drive shaft is secured on the hub by at least one additional screw.
6. Driven wheel assembly according, to claim 1 , wherein the brake disc is secured on the hub by at least one additional screw.
7. Driven wheel assembly according to claim 5 , wherein the mounting flanges of the drive shaft and/or the brake disc is/are provided with enlargements adapted to receive the head of the additional screws.
8. Driven wheel assembly according to claim 5 , wherein the drive shaft, the hub, the bearing and the axle spindle define together a closed oil containing volume.
9. Driven wheel assembly according to claim 8 , wherein the disc can be removed from the spindle without opening the volume.
10. Automotive vehicle equipped with a driven wheel assembly according to claim 1 .