Patent ID: 7331432
Filing Date: 2008-02-19
Classification: F16D

Abstract:
1. A disk brake apparatus comprising: a cylinder bore that is formed in a caliper body so as to extend in a cylinder axis and comprising a piston accommodated in the cylinder bore at the front side of the cylinder bore; a thrust conversion mechanism provided at the bottom side of the cylinder bore and comprises: an adjuster that is provided between the thrust conversion mechanism and the piston and comprises: a housing accommodating the fixed-side cam plate, the driving side cam plate, the thrust transfer plate and the cam spring, wherein a fastening groove is provided on a bottom surface of the fixed-side cam plate, the bottom surface being opposed to the bottom wall of the cylinder bore, a fastening piece is provided on the housing at the bottom side of the cylinder bore so as to fit to the fastening groove, the cylinder bore comprising an axial groove on an inner peripheral surface thereof at the bottom side, and the fixed-side cam plate comprising an anti-rotation projection projected from an outer circumferential surface thereof so as to engage with the axial groove of the cylinder bore.