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. 28, 2007
Filed:
Jan. 12, 2005
Antonius J. J. Van Gerven, Grubbenvorst, NL;
Antonius J. J. Van Gerven, Grubbenvorst, NL;
OCE-Technologies B.V., Venlo, NL;
Abstract
A nozzle cleaning device for an ink jet printer containing a plurality of ink reservoirs, the cleaning device including a pressure source and a valve mechanism for selectively coupling the pressure source to the ink reservoirs, wherein the valve mechanism comprises a valve housing, and a piston movable within the valve housing and defining therewith a first pressure chamber and a second pressure chamber, said first and second pressure chamber being connected to the pressure source such that during idle conditions, the pressure source is in communication with the ink reservoirs through said first pressure chamber, and during cleaning conditions and through the movement of the piston, the pressure source is in selective communication with individual ink reservoirs through said second pressure chamber.