Ink ejection head for printer

Details Ink ejection head for printer Ink ejection head for printer

1976-05-26

1977-08-30

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

040458016

ABSTRACT:
Ink is fed into an ink supply chamber communicating through axially aligned orifices with a pressure chamber and an ejection chamber. An ejection orifice or nozzle opens from the ejection chamber toward a copy sheet for printing. An electrical signal fed to an electrostrictive member defining part of the wall of the pressure chamber causes the volume of the pressure chamber to be reduced thereby ejecting ink out of the ejection orifice. The ejection chamber may also be provided with an electrostrictive member to which the electrical signal is also applied.

REFERENCES:
patent: 3747120 (1973-07-01), Stemme
patent: 3930260 (1975-12-01), Sicking

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