The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2026
Filed:
Apr. 27, 2023
Hitachi Astemo, Ltd., Ibaraki, JP;
Markus Steeb, Plymouth, MI (US);
Shivanand Sankaran, Canton, MI (US);
Andrew Feldkamp, Dexter, MI (US);
HITACHI ASTEMO, LTD., Ibaraki, JP;
Abstract
This shock absorber includes a cylinder having an inner chamber; a cage body partitioning the inner chamber into first and second chambers, and includes a first passage allowing communication between the first and second chambers, a first seat part, a second passage allowing communication between the first and second chambers, and a second seat part. A first valve which is a first valve coming into contact with the first seat part to close the first passage and being separated from the first seat part to open the first passage, and in which a communication hole communicating with the second passage is formed. A second valve comes into contact with the second seat part to close the second passage and is separated from the second seat part to open the second passage. A passage adjusting disc is provided between the first valve and the cage body.