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.

Date of Patent:
Aug. 29, 2000

Filed:

Mar. 03, 1998
Applicant:
Inventors:

Ulrich Rohs, Duren, DE;

Hans Rohs, Duren, DE;

Dietmar Heidingsfeld, Aachen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
464 66 ;
Abstract

A mechanical torsional vibration damper includes a primary part and a secondary part which are connected to one another by a spring and damping system of tangential compression springs and thrust plungers acting on contact surfaces on the primary part and the secondary part, with an additional damping unit being provided between the primary part and the secondary part.


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