Abstract: A retraction spring having: a) a bias device which stores energy during a brake apply and releases the energy during a brake release b) an anchor arm integrally attached at the support side arm of the bias device; c) a retraction arm integrally attached at the pad side arm of the bias device; wherein the loop axis lies within and is generally parallel to a transverse plane; wherein during the brake apply, movement of the retraction arm is away from the bias device, away from the anchor arm, and/or toward a rotor and results in the energy being stored in the bias device; and wherein during the brake release, the energy stored in the bias device is released and transferred to the retraction arm to result in movement of the retraction arm toward the bias device, toward the anchor arm, and/or away from the rotor.

Abstract: A brake piston comprising a) an open end; b) a closed end; c) a piston cylindrical wall comprising a polymeric material which extends from the closed end to the open end; d) a core member comprising a metallic material located within the cylindrical wall which extends between the closed end and the open end without extending completely to the open end; and wherein the core member structurally reinforces the brake piston. The brake piston may find particular use in a disc brake assembly. The core member may be particularly useful for structurally reinforcing the brake piston when receiving and transferring a brake apply force.

Abstract: A brake piston comprising a) an open end; b) a closed end; c) a piston cylindrical wall comprising a polymeric material which extends from the closed end to the open end; d) a core member comprising a metallic material located within the cylindrical wall which extends between the closed end and the open end without extending completely to the open end; and wherein the core member structurally reinforces the brake piston. The brake piston may find particular use in a disc brake assembly. The core member may be particularly useful for structurally reinforcing the brake piston when receiving and transferring a brake apply force.