Patent ID: 8360213
Filing Date: 2013-01-29
Classification: F16D

Abstract:
1. A brake disc having an axis of rotation, comprising: a support bell, intended for being connected to a wheel hub of a vehicle, a braking band, intended for cooperating with a caliper of a disc brake, comprising two flanges connected by a plurality of connecting elements that define ventilation channels, at least one driving element suitable for connecting the support bell and the braking band to each other so as to transmit the braking forces exchanged between the braking band and the caliper to the hub, wherein said driving element comprises a driving body that extends between a root and a protrusion, the root being connected to the braking band and said protrusion being at least partly inserted in a special seat of the support bell, the root having a ‘Y’ shape having a pair of branches, each branch being connected to a relevant flange of the braking band, wherein said protrusions have a lightening cavity at least partly passing through the protrusions themselves.