Multiple disk brake system with integrated parking brake

摘要

A brake system (10) comprises a disc brake (30) and a drum brake (50), and a hub (20). The hub (20) comprises a mounting portion (20a) generally having the shape of a hollow cylinder. The disc brake (30) comprises a disc (32) mounted on our outer surface of said portion (20c) of the hub for rotation with the hub, the disc (32) also being mounted for axial sliding movement on the hub (20). The drum brake (50) comprises frictional material shoes (56) which are moveable into engagement with an internal cylindrical surface (20e) of said mounting portion (20c) of the hub (20) to act as a parking brake.