Patent ID: 9279466
Filing Date: 2016-03-08
CPC Classification: F16D

Claim Text:
1. A vehicle disc brake comprising: a pair of caliper supporting arms provided on a caliper bracket which is fixedly provided on a vehicle body, the pair of caliper supporting arms extending over an outer edge of a disc rotor in a disc axis direction; pad guide grooves provided in the caliper supporting arms so as to face each other; and lug pieces projecting from both side portions of a shoe of each of a pair of friction pads disposed to sandwich the disc rotor, the lug pieces movably supported in the pad guide grooves by pad retainers, each of the pad retainers including wherein each of the pad returning portions includes wherein the pair of friction pads move in the disc axis direction while the holding portions hold the lug pieces, wherein the pad guide grooves are each formed into an angular U-shape having an outer side surface in a disc radial direction, an inner side surface in the disc radial direction, and an opposing surface connecting the two side surfaces, wherein each of the pair of retainer portions includes wherein the elastic loop portion is formed continuously to the deep side piece, wherein each of the holding portions include a guide piece that is a narrow elongated piece extending from the bent-back end of the elastic loop portion, the guide piece being extended towards the disc rotor in parallel to the deep side piece and disposed along an outer end surface of the lug piece, wherein the guide piece includes a guiding projection piece projecting towards the deep side piece, and wherein the deep side piece includes a guide hole parallel to a disc axis for the guiding projection piece to be inserted therein, the guide hole configured to guide a movement of the guiding projection piece.