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. 09, 1994
Filed:
Nov. 04, 1992
Applicant:
Inventors:
Heinz Knecht, Eitorf, DE;
Hubert Beck, Eitorf, DE;
Assignee:
Boge AG, Eitorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
188299 ; 188318 ; 18832213 ; 18832219 ;
Abstract
Hydraulic adjustable vibration damper with a work cylinder, a piston fastened to a piston rod and dividing the work cylinder into two work chambers, at least one additional tube coaxially surrounding the work cylinder and at least one controllable damping valve installed in a stationary and sealed manner on the side of the vibration damper. For the proper and easy installation of the damping valve on the outer tube of the vibration damper, the damping valve is centered and held in a sealed manner by a centering ring in a hole in the tube, whereby the fastening is achieved by means of a screw fitting running through the hole of the centering ring.