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:
Sep. 29, 2026
Filed:
Apr. 16, 2024
Hitachi Astemo, Ltd., Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
A shock absorber includes a cylinder, a slider coaxially provided outside of the cylinder and movable in a direction along an axis of the cylinder, a first spring abutting against the slider and urging the slider in one direction along the axis, a second spring abutting against the slider and urging the slider in the other direction along the axis, a sleeve provided between the cylinder and the slider, a first restriction portion fixed to the cylinder and abutting against one end of the sleeve to restrict a movement of the sleeve in the one direction, a second restriction portion located outside of the cylinder and abutting against the other end of the sleeve to restrict a movement of the sleeve in the other direction, and a fixing member penetrating the sleeve in a radial direction to restrict a movement of the second restriction portion with respect to the cylinder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile