Patent ID: 8342298

Claim:
A connecting device configured to connect a brake disc and a hub on which the brake disc is fitted, the connecting device comprising: a connecting device body positioned in at least one axial direction recess formed in a splined connection connecting a hub and a brake disc around an axial projection of the hub, wherein the brake disc has a through opening shaped to be fitted around the hub, and the brake disc being connected to the hub via a splined connection between the hub and the disc, wherein the recess is positioned in one of the through opening in the brake disc around the hub and the axial projection of the hub opposite the opening in the brake disc and a protrusion complementary to the recess on the other of the hub and the through brake disc, wherein the recess has a first side surface and the protrusion has a corresponding adjacent second side surface that cooperates with the first side surface of the recess; the recess and the protrusion having an axial extent, such that the brake disc is placed on the hub by axial movement thereof so as to move the protrusion into the recess; the connecting device body comprising: two overlapping mutually abutting layers positioned in the recess, each layer having an axial extent, with one of the abutting layers facing into the recess and the other layer facing the protrusion, the two layers of the connecting device being connected to one another to form the layers of the connecting device as one piece comprised of the two layers, wherein the two layers are positioned and configured to remain together during use of the brake disc, and are configured to separate from connection to one another upon axial relative movement between the layers when the brake disc is to be replaced by removal from the hub.