Brake disc arrangement for disc brake of motor vehicle, has fastening element which is engaged/disengaged with recess between holding position and release position by moving actuating element relative to fastening element

摘要

The arrangement (10) has a friction ring (12) whose inner circumferential surface is provided with a recess for receiving corresponding fastener of the holding portion (24). The fastening element is engaged with the recess at holding position and is disengaged with the recess at release position in axial direction, by moving the actuating element in radial direction between holding position and the release position relative to fastening element. The actuating element has outer peripheral side fixing portion and release area set back in the radial direction.