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. 08, 1977
Filed:
Sep. 24, 1975
Applicant:
Inventors:
Masaharu Naito, Hamamatsu, JA;
Kazuhiko Nomura, Hamamatsu, JA;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
188278 ; 188282 ; 188298 ; 188314 ; 267 / ;
Abstract
A hydraulic shock absorber which comprises a piston rod inserted into a cylinder assembly; a piston fixed to the inner end of the piston rod to divide the internal space of the cylinder assembly into first and second oil chambers; and passage means designed to attain communication between both chambers and provided with an opening-variable orifice whose opening area automatically varies with the temperature of damping oil, wherein the damping property of said shock absorber is always kept constant independently of changes in the temperature of damping oil.