Patent ID: 8141688
Filing Date: 2012-03-27
Classification: F16D

Abstract:
1. A disk brake for a vehicle, comprising: an electric motor which has a motor shaft provided with an armature and which is attached to a caliper body so as to exhibit a power for urging a friction pad toward a disk rotor; a Hall IC for detecting a rotational angle of the electric motor, the Hall IC being disposed within the electric motor; a magnet disposed adjacent the Hall IC and within the electric motor, in which a brush that is in sliding contact with a commutator of the armature and is retained by a brush holder constituting a part of a motor case of the electric motor, wherein a mounting recess for an IC, a mounting recess for the magnet and a pair of insertion bores are formed in the brush holder, the mounting recess for the IC housing the Hall IC so that the mounting recess for the IC is located outwardly of a pulser provided on the motor shaft, the mounting recess for the magnet fitting the magnet therein on one side of the Hall IC, the insertion bores passing, respectively, through the brush holder, a single synthetic-resin-made sensor cover is detachably attached to the brush holder, the sensor cover holding the Hall IC and the magnet within both of the mounting recesses, respectively, by closing open ends of the mounting recesses, the sensor cover integrally having: wherein the second clamping plate is configured such that: