Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1978-04-05
1979-06-19
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
400126, G01D 1516, B41J 304
Patent
active
041588479
ABSTRACT:
A piezoelectrically operated printer head for an ink-jet printing unit characterized by the printer head having a body with a plurality of printing jets arranged in a pattern at a printing location, each printing jet comprising an individual passage extending through the body from an orifice at the printing location to a source of printing liquid. Each passage has a first segment of its length surrounded by a cylindrical piezoelectric drive so that a drop of the printing liquid is ejected from the jet by a piezoelectric contraction of the drive element and each of the passages has a second segment of its length spacing the first segment from the respective orifice. The second segments of the passages are disposed in the body of the printer head to extend away from the pattern of orifices at the printing location in a radiating pattern without any kinks therein.
REFERENCES:
patent: 2573143 (1951-10-01), Jacob
patent: 3683212 (1972-08-01), Zoltan
patent: 3708798 (1973-01-01), Hildenbrand
patent: 3869986 (1975-03-01), Hubbard
patent: 3953862 (1976-04-01), Amberntsson
patent: 4005440 (1977-01-01), Amberntsson
Heinzl Joachim
Kattner Erich
Hartary Joseph W.
Siemens Aktiengesellschaft
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