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:
May. 12, 1987
Filed:
Nov. 15, 1985
Siemens Aktiengesellschaft, Munich and Berlin, DE;
Abstract
The invention relates to a write head for ink printer devices comprising tubular ink channels which are surrounded over a part of their length by individually drivable small piezo tubes and which are situated proceeding between an ink supply part and the discharge openings of the write head. The ink channels applied to a carrier part form a pre-fabricatable channel block together with this carrier part. A channel plate is secured either to that side at which the ink channels end free or to the back surface of the carrier part. In one embodiment, the channel plate comprises a layer plate having through holes into which the free ends of the ink channels equipped with the small piezo tubes are pluggable. Transition channels for guiding the ink flow and the discharge openings of the write head for fashioned in further layer plates of the channel plate.