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:
Apr. 16, 2013
Filed:
Jul. 31, 2009
Alfred I-tsung Pan, Sunnyvale, CA (US);
Erik Torniainen, Albany, OR (US);
Alfred I-Tsung Pan, Sunnyvale, CA (US);
Erik Torniainen, Albany, OR (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An inkjet printhead () and a method () of supplying viscous ink employ a central ink feed channel (). The inkjet printhead () includes a bridge beam () that supports an ejector element (), a pair of lateral ink feed channels () adjacent to the bridge beam (), and a central ink feed channel () through the ejector element () and bridge beam (). The pair of lateral ink feed channels () and the central ink feed channel () connect between an ink reservoir () below the bridge beam () and the bubble expansion chamber (). The method () includes providing () a central ink feed channel in a bridge beam of a printhead and flowing () viscous ink from an ink reservoir through a combination of the provided central ink feed channel and a pair of lateral ink feed channels.