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Shock Absorber
Abstract: A shock absorber (10, 10A, 10B) has a holding member (20; 20B) for holding a rod (14). In the interior of this holding member (20; 20B) there is formed a flow passage (R), which is a location through which oil (Oi) is able to pass, and which includes a first flow passage (R1) extending along the axis line (CL) of the rod (14) from one axial end of the holding member (20; 20B), a second flow passage (R2) extending along the radial direction of the rod (14) from an end portion of the first flow passage (R1), and a third flow passage (R3) extending along the axis line (CL) of the rod (14) from an end portion of the second flow passage (R2) to the other axial end of the holding member (20; 20B).
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
25 August 2021
Publication Number
36/2021
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-12-26
Renewal Date
Applicants
HITACHI ASTEMO, LTD.
2520 Takaba, Hitachinaka-shi, Ibaraki
3128503
Inventors
1. NAKAGAWA, Takashi
c/o SHOWA CORPORATION, Asaba Plant, 2601, Matsubara, Fukuroi-shi, Shizuoka
4371194
2. TADA, Shumpei
c/o SHOWA CORPORATION, Asaba Plant, 2601, Matsubara, Fukuroi-shi, Shizuoka
4371194
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202147038436-IntimationOfGrant26-12-2023.pdf | 2023-12-26 |
| 1 | 202147038436-STATEMENT OF UNDERTAKING (FORM 3) [25-08-2021(online)].pdf | 2021-08-25 |
| 2 | 202147038436-PatentCertificate26-12-2023.pdf | 2023-12-26 |
| 2 | 202147038436-REQUEST FOR EXAMINATION (FORM-18) [25-08-2021(online)].pdf | 2021-08-25 |
| 3 | 202147038436-PROOF OF RIGHT [25-08-2021(online)].pdf | 2021-08-25 |
| 3 | 202147038436-CLAIMS [27-07-2022(online)].pdf | 2022-07-27 |
| 4 | 202147038436-FORM 18 [25-08-2021(online)].pdf | 2021-08-25 |
| 4 | 202147038436-FER_SER_REPLY [27-07-2022(online)].pdf | 2022-07-27 |
| 5 | 202147038436-FORM 3 [27-07-2022(online)].pdf | 2022-07-27 |
| 5 | 202147038436-FORM 1 [25-08-2021(online)].pdf | 2021-08-25 |
| 6 | 202147038436-Information under section 8(2) [27-07-2022(online)].pdf | 2022-07-27 |
| 6 | 202147038436-DRAWINGS [25-08-2021(online)].pdf | 2021-08-25 |
| 7 | 202147038436-OTHERS [27-07-2022(online)].pdf | 2022-07-27 |
| 7 | 202147038436-DECLARATION OF INVENTORSHIP (FORM 5) [25-08-2021(online)].pdf | 2021-08-25 |
| 8 | 202147038436-Correspondence_Form 1, Power of Attorney_08-04-2022.pdf | 2022-04-08 |
| 8 | 202147038436-COMPLETE SPECIFICATION [25-08-2021(online)].pdf | 2021-08-25 |
| 9 | 202147038436-FER.pdf | 2022-03-11 |
| 9 | 202147038436-RELEVANT DOCUMENTS [30-08-2021(online)].pdf | 2021-08-30 |
| 10 | 202147038436-FORM 3 [24-02-2022(online)].pdf | 2022-02-24 |
| 10 | 202147038436-MARKED COPIES OF AMENDEMENTS [30-08-2021(online)].pdf | 2021-08-30 |
| 11 | 202147038436-FORM 13 [30-08-2021(online)].pdf | 2021-08-30 |
| 11 | 202147038436-FORM-26 [29-10-2021(online)].pdf | 2021-10-29 |
| 12 | 202147038436-AMMENDED DOCUMENTS [30-08-2021(online)].pdf | 2021-08-30 |
| 12 | 202147038436.pdf | 2021-10-19 |
| 13 | 202147038436-AMMENDED DOCUMENTS [30-08-2021(online)].pdf | 2021-08-30 |
| 13 | 202147038436.pdf | 2021-10-19 |
| 14 | 202147038436-FORM 13 [30-08-2021(online)].pdf | 2021-08-30 |
| 14 | 202147038436-FORM-26 [29-10-2021(online)].pdf | 2021-10-29 |
| 15 | 202147038436-FORM 3 [24-02-2022(online)].pdf | 2022-02-24 |
| 15 | 202147038436-MARKED COPIES OF AMENDEMENTS [30-08-2021(online)].pdf | 2021-08-30 |
| 16 | 202147038436-FER.pdf | 2022-03-11 |
| 16 | 202147038436-RELEVANT DOCUMENTS [30-08-2021(online)].pdf | 2021-08-30 |
| 17 | 202147038436-Correspondence_Form 1, Power of Attorney_08-04-2022.pdf | 2022-04-08 |
| 17 | 202147038436-COMPLETE SPECIFICATION [25-08-2021(online)].pdf | 2021-08-25 |
| 18 | 202147038436-OTHERS [27-07-2022(online)].pdf | 2022-07-27 |
| 18 | 202147038436-DECLARATION OF INVENTORSHIP (FORM 5) [25-08-2021(online)].pdf | 2021-08-25 |
| 19 | 202147038436-Information under section 8(2) [27-07-2022(online)].pdf | 2022-07-27 |
| 19 | 202147038436-DRAWINGS [25-08-2021(online)].pdf | 2021-08-25 |
| 20 | 202147038436-FORM 3 [27-07-2022(online)].pdf | 2022-07-27 |
| 20 | 202147038436-FORM 1 [25-08-2021(online)].pdf | 2021-08-25 |
| 21 | 202147038436-FORM 18 [25-08-2021(online)].pdf | 2021-08-25 |
| 21 | 202147038436-FER_SER_REPLY [27-07-2022(online)].pdf | 2022-07-27 |
| 22 | 202147038436-PROOF OF RIGHT [25-08-2021(online)].pdf | 2021-08-25 |
| 22 | 202147038436-CLAIMS [27-07-2022(online)].pdf | 2022-07-27 |
| 23 | 202147038436-REQUEST FOR EXAMINATION (FORM-18) [25-08-2021(online)].pdf | 2021-08-25 |
| 23 | 202147038436-PatentCertificate26-12-2023.pdf | 2023-12-26 |
| 24 | 202147038436-STATEMENT OF UNDERTAKING (FORM 3) [25-08-2021(online)].pdf | 2021-08-25 |
| 24 | 202147038436-IntimationOfGrant26-12-2023.pdf | 2023-12-26 |
Search Strategy
| 1 | SearchStrategy__202147038436E_10-03-2022.pdf |