US 11,988,257 B2
Disk brake
Hao Yu, Atsugi (JP); Atsushi Odaira, Yokohama (JP); and Koichi Sakimoto, Fuchu (JP)
Assigned to HITACHI ASTEMO, LTD., Ibaraki (JP)
Appl. No. 17/253,334
Filed by HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki (JP)
PCT Filed Jun. 13, 2019, PCT No. PCT/JP2019/023446
§ 371(c)(1), (2) Date Dec. 17, 2020,
PCT Pub. No. WO2020/004057, PCT Pub. Date Jan. 2, 2020.
Claims priority of application No. 121045/2018 (JP), filed on Jun. 26, 2018; and application No. 013080/2019 (JP), filed on Jan. 29, 2019.
Prior Publication US 2021/0262539 A1, Aug. 26, 2021
Int. Cl. B60T 13/74 (2006.01); F16D 55/227 (2006.01); F16D 65/18 (2006.01)
CPC F16D 55/227 (2013.01) [B60T 13/74 (2013.01); F16D 65/18 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A disk brake comprising:
a carrier fixed to a non-rotatable portion of a vehicle;
a caliper attached to the carrier, and including a piston configured to press inner and outer brake pads;
a first slide pin fixed to any of the carrier and the caliper, and configured to support the caliper slidably relative to the carrier in an axial direction of a wheel; and
a driving mechanism including an electric motor and a speed reduction mechanism, and configured to transmit a driving force of the electric motor to the piston via the speed reduction mechanism,
wherein at least a part of the driving mechanism is disposed on an extension of an axis of the first slide pin,
the driving mechanism is disposed on an inner side of the vehicle with respect to the carrier in the axial direction of the first slide pin,
a fixation member for fixing the first slide pin is disposed on the carrier at an outer side of the vehicle in an axial direction of the first slide pin,
the fixation member is disposed at the outer side of the vehicle more than at least one of the inner brake pad and the outer brake pad, and
the fixation member is disposed at the outer side of the vehicle more than an outer side of the caliper.