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. 17, 1993
Filed:
Oct. 17, 1991
Applicant:
Inventors:
Markus Gerstenberger, Sandhausen, DE;
Gerd Raasch, Sandhausen, DE;
Assignee:
Heidelberger Druckmachinen AG, Heidelberg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ;
U.S. Cl.
CPC ...
101216 ;
Abstract
A device for damping bending vibrations in a printing-unit cylinder of a rotary printing press includes at least one damper disposed in a printing-unit cylinder and tunable to a wide-band frequency, the damper having at least one member with a natural frequency corresponding to a natural frequency of the printing-unit cylinder, and a device for supporting the damper member so that the damper member is deflected in phase opposition to a deflection of the printing-unit cylinder.