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. 09, 2002
Filed:
Jun. 23, 1995
Harald Windel, Berlin, DE;
Junming Zhang, Berlin, DE;
Francotyp-Postalia AG & Co., Birkenwerder, DE;
Abstract
An ink printer head of individual ink printer modules operating according to the edge-shooter principle equipped with piezoelectric actuators is provided for use in printers for postage meter machines and correspondingly has a large number of nozzles arranged in columns. An assembly has n ink printer modules arranged in registry side-by-side with ink chambers open toward a front side of the assembly with an adapter plate matched to the front face and having openings in registry with ink chambers is disposed adjacent the front face. A nozzle plate adapted to the adapter plate is disposed in front of the adapter plate. The nozzle plate is supported by the adapter plate and a spatial matching between the larger ink chambers and the smaller nozzles is achieved. Moreover, the two ink chamber columns of a module are united to form one nozzle column. A reduction in the manufacturing outlay while preserving the requiring printing precision is achieved. A high degree of repetition is achieved by employing identical ink printer modules and ink paths of approximately identical length is also achieved. The nozzle apertures can be given a circular cross-section without difficulty.