| 摘要 |
PURPOSE: A wedge element and a pad are used so that it can prevent the wedge element moves to the disc direction and unwanted braking power generates. CONSTITUTION: A disk brake comprises a disc(10), inner and outer friction pads(11), a caliper housing, a wedge element(30), a supporting member(40), a screw shaft(61), and a drive motor. The disc revolves with wheels. The inner and outer friction pads are arranged in both sides of the disc. The caliper housing supports the outer friction pad. The wedge element is installed in the rear side of the inner friction pad and has an incline on the rear side. The supporting member includes the incline coping with the incline of the wedge element and is fixed to the caliper housing. The screw shaft is in arranged in the rotational direction of disc while being installed in the supporting member. The drive motor is installed in the supporting member for the drive of the screw shaft.
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