Abstract: A brake disc assembly including a brake disk ring, a bell and a connecting mechanism between the brake disk ring and the bell, wherein the connecting mechanism includes a form-locked and/or force-locked connecting element in an axial direction DO of the brake disc ring, the connecting mechanism comprises a bushing for the connecting element and a distance element arranged between the brake disk ring and the bell, wherein the bushing includes a shoulder and a loss prevention, wherein the bushing further includes a region A1 provided for the brake disk ring and a region A2 provided for the bell, wherein the region A1 has an average expansion E4 in an direction perpendicular to DO and the region A2 has an average expansion E2 in an direction perpendicular to DO.

Abstract: A brake disc assembly including a brake disk ring, a bell and a connecting mechanism between the brake disk ring and the bell, wherein the connecting mechanism includes a form-locked and/or force-locked connecting element in an axial direction DO of the brake disc ring, the connecting mechanism comprises a bushing for the connecting element and a distance element arranged between the brake disk ring and the bell, wherein the bushing includes a shoulder and a loss prevention, wherein the bushing further includes a region A1 provided for the brake disk ring and a region A2 provided for the bell, wherein the region A1 has an average expansion E4 in an direction perpendicular to DO and the region A2 has an average expansion E2 in an direction perpendicular to DO.

Abstract: A sleeve for holding a mounting stud in the bore of a ceramic brake disk wherein the sleeve is made of metal and is equipped on one side with a collar, that slip-proof and captive attachment is effected by a flange on the opposite sleeve end, and that neither the collar nor the flange projects over the boundary planes which form the surface of the ceramic brake disk perpendicular to the axis of the bore.

Abstract: A sleeve for holding a mounting stud in the bore of a ceramic brake disk wherein the sleeve is made of metal and is equipped on one side with a collar, that slip-proof and captive attachment is effected by a flange on the opposite sleeve end, and that neither the collar nor the flange projects over the boundary planes which form the surface of the ceramic brake disk perpendicular to the axis of the bore.

Abstract: The invention relates to spring elements having steps for composite brake disks which can also be made as lock washers, and the composite brake disks containing them with improved ease of braking.

Abstract: A carbon-ceramic brake disc which can be secured directly to the wheel axle without a metal hub plate, the brake disc being made from ceramic reinforced with carbon fibres and having the shape of a hub plate in the vicinity of the axis of rotation and the shape of an annular disc in the vicinity of the outer periphery