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:
Aug. 11, 1998
Filed:
Jun. 06, 1997
Applicant:
Inventors:
Horst Kaufmann, Burgen, DE;
Peter Thurmann, Waldesch, DE;
Assignee:
Fichtel & Sachs Industries, Inc., Colmar, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ; B32B / ;
U.S. Cl.
CPC ...
18832212 ; 267 6411 ; 156 86 ;
Abstract
A piston rod-cylinder assembly, such as a gas spring, includes a cylinder in which a piston rod is axially movable and connecting members on the cylinder and the piston rod for attachment of the assembly in use. The cylinder and an axial portion of the piston rod are covered by a shrink-wrap sleeve for corrosion protection and/or coloration. A lubricant layer is provided between the cylinder and the shrink-wrap sleeve adjacent one or both ends of the cylinder.