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Shock Absorber

Abstract: This shock absorber (20, 20a) has: a first oil flow path (25) and a second oil flow path (27) that are connected to a damper case (23) and through which oil can flow; a compression resistance unit (30) that has a resistance unit oil chamber (31a) that is connected to the first oil flow path (25) and into which oil can flow when a rod (21) is displaced in the compression direction, and a receiving member (32) of which one end faces the resistance unit oil chamber (31a) and the other end receives an urging force of a spring (24); a reservoir tank (28) that is connected to the second oil flow path (27) and into which oil can flow; and a flow rate control unit (29) that is provided on the second oil flow path (27) and is able to control the flow rate of oil flowing toward the reservoir tank (28).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
24 March 2025
Publication Number
15/2025
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

HITACHI ASTEMO, LTD.
2520 Takaba, Hitachinaka-shi, Ibaraki 3128503

Inventors

1. MICHIURA, Daisuke
c/o Hitachi Astemo, Ltd., 2520 Takaba, Hitachinaka-shi, Ibaraki 3128503
2. FUJITA, Masataka
c/o Hitachi Astemo, Ltd., 2520 Takaba, Hitachinaka-shi, Ibaraki 3128503

Specification

Documents

Application Documents

# Name Date
1 202547026735-STATEMENT OF UNDERTAKING (FORM 3) [24-03-2025(online)].pdf 2025-03-24
2 202547026735-REQUEST FOR EXAMINATION (FORM-18) [24-03-2025(online)].pdf 2025-03-24
3 202547026735-FORM 18 [24-03-2025(online)].pdf 2025-03-24
4 202547026735-FORM 1 [24-03-2025(online)].pdf 2025-03-24
5 202547026735-DRAWINGS [24-03-2025(online)].pdf 2025-03-24
6 202547026735-DECLARATION OF INVENTORSHIP (FORM 5) [24-03-2025(online)].pdf 2025-03-24
7 202547026735-COMPLETE SPECIFICATION [24-03-2025(online)].pdf 2025-03-24
8 202547026735-FORM-26 [25-03-2025(online)].pdf 2025-03-25
9 202547026735-Proof of Right [29-04-2025(online)].pdf 2025-04-29
10 202547026735-FORM 3 [17-09-2025(online)].pdf 2025-09-17
11 202547026735-FORM 3 [22-09-2025(online)].pdf 2025-09-22