US 11,835,098 B2
Disc brake device and disc brake pad
Isao Ishiguro, Tokyo (JP); Ryo Otake, Tokyo (JP); and Keisuke Morita, Tokyo (JP)
Assigned to AKEBONO BRAKE INDUSTRY CO., LTD., Tokyo (JP)
Filed by AKEBONO BRAKE INDUSTRY CO., LTD., Tokyo (JP)
Filed on Jun. 21, 2021, as Appl. No. 17/352,786.
Claims priority of application No. 2020-107227 (JP), filed on Jun. 22, 2020.
Prior Publication US 2021/0396283 A1, Dec. 23, 2021
Int. Cl. F16D 65/04 (2006.01); F16D 55/228 (2006.01); B60T 1/06 (2006.01); F16D 65/095 (2006.01); F16D 65/18 (2006.01); F16D 121/04 (2012.01)
CPC F16D 55/228 (2013.01) [B60T 1/065 (2013.01); F16D 65/095 (2013.01); F16D 65/183 (2013.01); F16D 2121/04 (2013.01); F16D 2250/0069 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A disc brake device comprising:
a pair of pads arranged on both sides of a rotor in an axial direction so as to sandwich the rotor;
a pad support member supporting at least one of the pair of pads in a movable manner in the axial direction;
a plurality of pistons configured to press the one of the pads toward the rotor in the axial direction,
wherein slide engagement portions engaged with the pad support member so as to be movable in the axial direction are respectively provided at both side portions of the one of the pads in a circumferential direction, and
wherein the one of the pads is fixed to a tip end portion of at least one piston including at least a piston arranged at an end portion on a rotation-in side or a rotation-out side among the plurality of pistons, and is not fixed to a tip end portion of a remaining piston.