Vehicle Height Adjustment Device

Abstract: A vehicle height adjustment device (20) comprises: a moving member (60) that is provided between an inner cylinder (40) and an outer cylinder (50) and that is capable of adjusting the position of a movable spring holder (30) by moving in an axial direction; a jack chamber (21) that is formed between the inner cylinder (40) and the outer cylinder (50) and that can be filled with oil serving as a drive force for the moving member (60); and a lid (80) that is joined to the inner cylinder (40) and/or the outer cylinder (50) and that covers the jack chamber (21).

Patent Information

Application #

Filing Date

02 March 2026

Publication Number

11/2026

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

ASTEMO, LTD.

2-1, Otemachi 2-chome, Chiyoda-ku, Tokyo 1000004

Inventors

1. FUJIKAWA, Yosuke

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

2. MURAKAMI, Yosuke

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

Specification

Documents

Application Documents

#	Name	Date
1	202647024888-STATEMENT OF UNDERTAKING (FORM 3) [02-03-2026(online)].pdf	2026-03-02
2	202647024888-PROOF OF RIGHT [02-03-2026(online)].pdf	2026-03-02
3	202647024888-FORM 18 [02-03-2026(online)].pdf	2026-03-02
4	202647024888-FORM 1 [02-03-2026(online)].pdf	2026-03-02
5	202647024888-DRAWINGS [02-03-2026(online)].pdf	2026-03-02
6	202647024888-DECLARATION OF INVENTORSHIP (FORM 5) [02-03-2026(online)].pdf	2026-03-02
7	202647024888-COMPLETE SPECIFICATION [02-03-2026(online)].pdf	2026-03-02
8	202647024888-Proof of Right [03-03-2026(online)].pdf	2026-03-03
9	202647024888-FORM-26 [03-03-2026(online)].pdf	2026-03-03
10	202647024888-PATENT_APPLICATION_PUBLICATION.pdf	2026-04-02
11	202647024888-FORM 3 [28-07-2026(online)].pdf	2026-07-28