Vehicle Disc Brake

Abstract: The present invention provides a vehicle disc brake with increased ease of assembly of a pad spring. A caliper body has a locking groove 3p formed on the inside in the disc radial direction of a forward-travel disc run-in side surface of a ceiling opening 3f, the locking groove 3p locking a pad spring 5. The pad spring 5 comprises: a curved piece 5a abutting against the inside in the disc radial direction of a hanger pin 13 for hanging a friction pad 4; a run-in side pad spring-back part 5b extending from the curved piece 5a to the forward-travel disc run-in side and pressing the friction pad 4 inward in the disc radial direction; a run-out side pad spring-back part 5c extending from the curved piece 5a to the forward-travel disc run-out side and pressing the friction pad 4 inward in the disc radial direction; and a locking piece 5d provided at the tip of the run-in side pad spring-back part 5b, and locked in the locking groove 3p.

Patent Information

Application #

Filing Date

11 August 2022

Publication Number

03/2024

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

HITACHI ASTEMO, LTD.

2520 Takaba, Hitachinaka-shi, Ibaraki 3128503

Inventors

1. ATSUTA Daiki

c/o Hitachi Astemo, Ltd., 2520 Takaba, Hitachinaka-shi, Ibaraki 3128503, Japan

Specification

Documents

Application Documents

#	Name	Date
1	202217045830.pdf	2022-08-11
2	202217045830-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [11-08-2022(online)].pdf	2022-08-11
3	202217045830-STATEMENT OF UNDERTAKING (FORM 3) [11-08-2022(online)].pdf	2022-08-11
4	202217045830-PROOF OF RIGHT [11-08-2022(online)].pdf	2022-08-11
5	202217045830-PRIORITY DOCUMENTS [11-08-2022(online)].pdf	2022-08-11
6	202217045830-FORM 1 [11-08-2022(online)].pdf	2022-08-11
7	202217045830-DRAWINGS [11-08-2022(online)].pdf	2022-08-11
8	202217045830-DECLARATION OF INVENTORSHIP (FORM 5) [11-08-2022(online)].pdf	2022-08-11
9	202217045830-COMPLETE SPECIFICATION [11-08-2022(online)].pdf	2022-08-11
10	202217045830-FORM-26 [19-08-2022(online)].pdf	2022-08-19
11	202217045830-FORM 13 [19-08-2022(online)].pdf	2022-08-19
12	202217045830-AMENDED DOCUMENTS [19-08-2022(online)].pdf	2022-08-19
13	202217045830-certified copy of translation [23-08-2022(online)].pdf	2022-08-23
14	202217045830-GPA-310822.pdf	2022-09-09
15	202217045830-Correspondence-310822.pdf	2022-09-09
16	202217045830-FORM 3 [25-01-2023(online)].pdf	2023-01-25
17	202217045830-FORM 18 [01-01-2024(online)].pdf	2024-01-01
18	202217045830-FORM 3 [23-01-2024(online)].pdf	2024-01-23