US 12,066,067 B2
Pad spring and disc brake
Takahito Osada, Hitachinaka (JP); Shigeru Hayashi, Hitachinaka (JP); Yorihito Miura, Hitachinaka (JP); Yusuke Shigeta, Hitachinaka (JP); and Masahiko Kamesawa, Hitachinaka (JP)
Assigned to HITACHI ASTEMO, LTD., Ibaraki (JP)
Appl. No. 17/414,394
Filed by Hitachi Astemo, Ltd., Ibaraki (JP)
PCT Filed Dec. 2, 2019, PCT No. PCT/JP2019/046958
§ 371(c)(1), (2) Date Jun. 16, 2021,
PCT Pub. No. WO2020/129582, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 2018-236336 (JP), filed on Dec. 18, 2018.
Prior Publication US 2022/0049748 A1, Feb. 17, 2022
Int. Cl. F16D 65/097 (2006.01); F16D 55/227 (2006.01); F16D 55/00 (2006.01)
CPC F16D 55/227 (2013.01) [F16D 65/0977 (2013.01); F16D 2055/0041 (2013.01); F16D 2250/0046 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A pad spring to be installed in a disc brake, the pad spring comprising a locking portion to be locked to a mounting member to be mounted to a non-rotational portion of a vehicle,
wherein the locking portion includes a coating film having a thinner coating film thickness in at least a part of a region opposed to a disc rotor than a coating film thickness in other regions of the locking portion.