Patent ID: 9340190
Filing Date: 2016-05-17
CPC Classification: B60T,F16D

Claim Text:
1. An arrangement comprising: a brake piston configured to operate at least one disk brake pad, the brake piston including a front transverse wall having a radial orientation and a lateral cylindrical tubular wall that extends axially towards a rear; and a nut-and-screw unit for the axial thrusting of the piston, from the rear to a front, the nut-and-screw unit comprising: wherein the piston and the screw include means for centering that includes two centering portions that interact with one another when the screw is in a predetermined front axial mounting position, in relation to the nut and to the piston in order to center the rear section of the screw radially in relation to the piston, the two centering portions including a supplementary front portion of the intermediate flange and a supplementary rear portion of the piston, the rear portion of the piston being disposed at a rear axial transversal extremity face of the lateral wall of the piston, the supplementary portions being truncated cones.