Patent ID: 9360068
Filing Date: 2016-06-07
CPC Classification: F16D

Claim Text:
1. A disk brake comprising: a mounting member fixed to a vehicle by extending over a disk; a friction pad including a lining made of friction material and a backing plate supported by the mounting member, the backing plate having a pair of lateral portions at both sides thereof in a disk circumferential direction, the pair of lateral portions having a torque transmitting portion for transmitting torque at braking to the mounting member; a caliper arranged slidably to the mounting member so as to press the friction pad to the disk; and an urging member including an extending portion urging the friction pad toward a disk rotationally exiting side, the extending portion being arranged between one lateral portion of the pair of lateral portions as a disk rotationally entering side at the time of vehicle forward movement and an opposed surface portion of the mounting member opposed to the one lateral portion, the torque transmitting portion of the one lateral portion including a concave groove facing the opposed surface portion, wherein the extending portion includes a first extending portion coupled to the backing plate and a second extending portion connected to the first extending portion via a folded portion, the second extending portion being configured to include a first face facing the mounting member and a second face facing the torque transmitting portion of the one lateral portion, and wherein the second extending portion extends from the folded portion in a direction opposite the first extending portion and is configured to elastically contact the opposed surface portion of the mounting member, wherein the urging member urges the friction pad toward the disk rotationally exiting side until the torque transmitting portion abuts to the mounting member upon the backward vehicle movement, and the friction pad is urged towards the disk rotationally exiting side only via the urging member until the torque transmitting portion abuts to the mounting member upon the backward vehicle movement, wherein the second extending portion is accommodated in the groove of the one lateral portion when the torque transmitting portion of the one lateral portion abuts to the mounting member upon the backward vehicle movement, wherein in a condition where the second extending portion is accommodated in the groove, the first face of the second extending portion keeps a contact with the mounting member while the second face of the second extending portion keeps a separation from the torque transmitting portion of the one lateral portion and the first extending portion, and wherein a position in which the second extending portion abuts to the mounting member, the second extending portion maintains the same.