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. 27, 1994
Filed:
Aug. 21, 1992
Applicant:
Inventor:
Ingo Gelhausen, Furthen, DE;
Assignee:
BOGE Aktiengesellschaft, Eitorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60G / ;
U.S. Cl.
CPC ...
18832212 ; 267221 ;
Abstract
A vibration damper for motor vehicles typically has an external tube, a piston rod and fastening parts for fastening the vibration damper to the wheel suspension and the vehicle body. To prevent friction and or contact corrosion on the surfaces between the external tube and the fastening parts, at least the contact surfaces are provided with a protective metallic aluminum layer.