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:
Mar. 15, 2016
Filed:
Sep. 10, 2012
Applicant:
Shigeo Katayama, Yokohama, JP;
Inventor:
Shigeo Katayama, Yokohama, JP;
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/32 (2006.01); F16F 9/34 (2006.01); F16F 9/18 (2006.01);
U.S. Cl.
CPC ...
F16F 9/325 (2013.01); F16F 9/3257 (2013.01); F16F 9/185 (2013.01); F16F 9/34 (2013.01);
Abstract
A shock absorber including a piston inserted into a cylinder () having a hydraulic oil sealed therein. An outer tube () is provided around the outer periphery of the cylinder to form a reservoir () therebetween. A bottomed circular cylindrical casing () is joined to a side surface portion of the outer tube, and a damping force control valve () is housed in the casing. The bottomed circular cylindrical casing has a bottom (A) formed with a joint surface (B) curved along the outer peripheral surface of the outer tube and a flat inner surface (C). The casing is integrally formed by forging.