Patent ID: 6382367
Filing Date: 2002-05-07
Classification: F16D

Abstract:
An actuating piston of a hydraulically and mechanically actuable disk brake for motor vehicles for arrangement in a sealing and displaceable manner in a cylinder bore of the disk brake, which actuating piston comprises an axial force transmitting conical surface, characterized in that a component part of said actuating piston comprising said axial force transmitting conical surface is made of steel and a component part of said actuating piston for cooperating with the cylinder bore of the disk brake is made of light metal or of plastics material, that said component parts of said actuating piston together form a single piece composite component, and that said actuating piston is hollow and said steel component comprising said axial force transmitting conical surface is designed as a substantially pot shaped insert received in said plastic or light metal component, said pot shaped insert forms a part of an end face of said actuating piston directed towards a brake disk.