Patent ID: 7481304

Claim:
A pad assembly for a disc brake, comprising; an inner shim plate provided to a rear surface of a pressure plate constituting a pad, the pad being disposed on a side surface of a rotor in an axial direction thereof; an outer shim plate superimposed on the inner shim plate; inner locking pieces provided at both ends of the inner shim plate in a radial direction of the rotor, wherein the inner locking pieces are bent toward one side of the inner shim plate, and the inner locking pieces are engaged on an outer peripheral surface of the pressure plate; and outer locking pieces provided at both ends of the outer shim plate in the radial direction of the rotor, wherein the outer locking pieces are bent in the same direction as the inner locking pieces, and the outer locking pieces are superimposed on the inner locking pieces, wherein the outer shim plate is movable toward a circumferential direction of the rotor with respect to the inner shim plate, the inner locking pieces are in contact with the respective outer locking pieces at contact portions, and the respective contact portions linearly extend in the circumferential direction.