Patent ID: 9086108
Filing Date: 2015-07-21
Classification: F16D

Abstract:
1. A disk brake comprising: a pair of pads disposed at opposite sides, respectively, of a rotor to face each other across the rotor in a direction of an axis of the rotor; a piston pressing one of the pair of pads against the rotor; a caliper body having a cylinder in which the piston is movably disposed; an electric motor provided on the caliper body; and a parking brake mechanism provided in the caliper body to propel and hold the piston in a braking position; the parking brake mechanism having: wherein the screw mechanism comprises a first thread provided on the first ramp and a second thread provided on the rotating member and engaged with the first thread, and wherein rotation of the electric motor causes the ball-and-ramp mechanism and the screw mechanism to move the piston to the braking position, and the piston is held in the braking position by the first thread and the second thread of the screw mechanism.