Patent ID: 8037977

Claim:
A disk brake comprising: a caliper having an opening, wherein the opening includes two edges, the caliper further including pin holes formed in the vicinity of the two edges; a pad positioned in the opening of the caliper; a pair of pad pins insertable into the pin holes of the caliper and able to movably support the pad; and a bias member provided between the pair of pad pins and able to bias the pair of pad pins in at least one of a mutually approaching direction and a mutually separating direction, wherein the bias member includes a body member having pawls engageable with the pair of pad pins to elastically push the pair of pad pins against hole wall surfaces of the pin holes of the caliper, the bias member includes a hook member which extends in the same direction as a longitudinal direction of the body member and which has hook portions connected to the caliper at both ends to inhibit the bias member from moving in an axial direction of the pad pins, the body member and the hook member have respective plate shapes, and the body member and the hook member are stacked in layers and are connected to each other substantially centrally by a rivet.