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. 02, 1980
Filed:
Jan. 31, 1979
Tetuo Kato, Musashino, JP;
Tokico Ltd., Kawasaki, JP;
Abstract
A hydraulic damper has a cylinder containing oil therein, a piston slidably fitted in the cylinder, a hollow piston prd extending from one side of the piston and projecting out of the cylinder, a tubular member mounted on the other side of the piston with the interior thereof communicating with the interior of the hollow piston rod, a connecting passage including the interior of the hollow piston rod and the interior of the tubular member and placing the opposite sides of the piston in communication, an actuating rod rotatably extending through the piston rod and being operable from the outside of the cylinder, and a valve body slidably received in the tubular member and connected to the actuating rod for changing the effective area of the connecting passage.