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:
Nov. 06, 2001
Filed:
Oct. 18, 1999
Applicant:
Inventors:
Matthias Herden, Ludwigshafen, DE;
Bernhard Wagensommer, Gaiberg, DE;
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41F 3/106 ; B41F 3/114 ;
U.S. Cl.
CPC ...
B41F 3/106 ; B41F 3/114 ;
Abstract
A printing press has a ductor inking unit that includes a ductor roller and a motor for moving the ductor roller via a rotatable cam disc, the motor being constructed so as to subject the cam disc to periodic angular acceleration at constant printing speed of the printing press, and so as to rotate the cam disc alternatingly in opposite rotational directions; and a method of operating the printing press.