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:
Oct. 06, 1992
Filed:
Feb. 13, 1992
Applicant:
Inventor:
Glenn A Guaraldi, Kingston, NH (US);
Assignee:
Harris Graphics Corporation, Dover, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ; B41F / ; B41L / ;
U.S. Cl.
CPC ...
101350 ;
Abstract
An offset printing apparatus rotates the plate cylinder steadily with a minimum of torsional interference caused by impact of the reciprocating ductor roll with the vibrator roll. The vibrator roll is driven to rotate independently of rotation of the other rolls which lead successively to the plate cylinder.