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. 13, 2018
Filed:
May. 09, 2017
R.r. Donnelley & Sons Company, Chicago, IL (US);
George A. Alessi, Buffalo, NY (US);
Paul Slagle, Grand Island, NY (US);
Kent D. Jayme, Grand Island, NY (US);
Anthony V. Moscato, North Tonawanda, NY (US);
R.R. Donnelley & Sons Company, Chicago, IL (US);
Abstract
An ink supply unit and a method of supplying ink to a printhead are disclosed. The ink supply unit includes a lower ink reservoir, an upper ink reservoir, and a flow regulation apparatus. The upper ink reservoir is coupled to the lower ink reservoir. First and second fluid input ports are disposed on opposite sides of the flow regulation apparatus. A first fluid line and a second fluid line couple the first and the second input ports, respectively, with the upper ink reservoir, and a third fluid line is adapted to couple the flow regulation apparatus with a printhead.