Head for ink-jet printer

Details Head for ink-jet printer Head for ink-jet printer

1991-11-20

1992-09-01

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2045

Patent

active

051443422

ABSTRACT:
A head for an ink-jet printer includes an elastic plate, a wall member defining an ink chamber together with the elastic plate, a nozzle provided in the wall member and communicated with the chamber, and a piezoelectric element. The piezoelectric element is shaped in a plate, has a side face, which defines a thickness of the piezoelectric element, and is disposed such that the side face faces the elastic plate. The piezoelectric element presses the elastic plate at the side face by an expansion due to a piezoelectric effect in a direction toward the side face. The head further includes electrodes attached to the piezoelectric element for applying an electric voltage across the piezoelectric element so as to cause the piezoelectric effect.

REFERENCES:
patent: 4367478 (1983-01-01), Larsson
patent: 4819014 (1989-04-01), Yasuhara et al.
patent: 4937597 (1990-06-01), Yasuhara et al.
patent: 4962391 (1990-10-01), Kitahara et al.

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