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, 1981
Filed:
Feb. 11, 1980
Tetuo Kato, Musashino, JP;
Tokico Ltd., Kawasaki, JP;
Abstract
A cylinder device such as a hydraulic shock absorber, a gas spring or the like having a main body having an open end, a closure member screw-threadedly engaging the open end, of the main body, a rod guide disposed inside of the closure member, a piston rod extending slidably through center bores formed respectively in the closure member and the rod guide, pressurized fluid enclosed in the cylinder device, and a seal member interposed between the rod guide and the closure member. An escape passage has one end thereof communicating with the outside of the device and the other end thereof communicating with the screw-threading engaging portion between the closure member and the main body.