Patent ID: 6484852
Filing Date: 2002-11-26
Classification: F16D

Abstract:
A brake disc system comprising a disc brake, a drum brake, and a hub arranged to rotate about a central axis thereof, the hub comprising a mounting portion generally having the shape of a hollow cylinder centred on said axis, the disk brake comprising a disc mounted on an outer surface of said mounting portion of the hub for rotation with the hub, the disc also being mounted for axial sliding movement on the hub, wherein the drum brake comprises friction material shoes which are moveable into engagement with an internal cylindrical surface of said mounting portion of the hub to act as a parking brake, wherein the disc brake comprises an operating mechanism operable to cause friction material pads of the brake to engage both sides of said disc, the operating mechanism comprising a piston and cylinder assembly, the cylinder of which is formed integrally with a suspension link on which the hub is mounted.