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:
Jun. 11, 2013
Filed:
Feb. 02, 2010
John Douglas Peter Morgan, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Vesa Karppinen, Balmain, AU;
David John Worboys, Balmain, AU;
Patrick John Mcauliffe, Balmain, AU;
Norman Micheal Berry, Balmain, AU;
David William Jensen, Balmain, AU;
John Douglas Peter Morgan, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Vesa Karppinen, Balmain, AU;
David John Worboys, Balmain, AU;
Patrick John McAuliffe, Balmain, AU;
Norman Micheal Berry, Balmain, AU;
David William Jensen, Balmain, AU;
Zamtec Ltd, Dublin, IE;
Abstract
An inkjet printer that has a printhead with an array of ink ejection nozzles, an upstream ink line for connecting the printhead to an ink supply, a downstream ink line for connecting the printhead to a sump, a pump in the downstream ink line for drawing fluid out of the printhead, a gas inlet in communication with the printhead, the gas inlet being configured to open to atmosphere during a printhead de-priming operation, and close to atmosphere during a printhead priming operation and, an accumulator positioned in the upstream ink line for generating a positive pressure pulse for priming the printhead.