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:
Nov. 24, 2015
Filed:
Sep. 10, 2013
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki-ken, JP;
Masahiro Ashiba, Naka-gun, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki, JP;
Abstract
A shock absorber includes an annular outer seat protruding from a valve main body, an inner seat protruding inward of the outer seat of the valve main body, an intermediate seat disposed between the outer seat and the inner seat of the valve main body and protruding to surround an opening section of a passage, a first disk having a larger diameter than the outer seat and seated on the intermediate seat, a spring member configured to press the first disk toward the outer seat, a second disk stacked on the first disk, and a communication unit configured to bring the passage in communication with a space between the intermediate seat and the outer seat. The first disk starts to be pressed by the spring member to abut the outer seat while abutting the inner seat and the intermediate seat.