Print head with integrated pump

Details Print head with integrated pump Print head with integrated pump

1995-08-02

1998-06-09

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 35, B41J 2175, B41J 2165

Patent

active

057642583

ABSTRACT:
A print head consists of an ink chamber with heater elements and orifices. Connected to the ink chamber is a pump chamber which is supplied with ink through an ink supply opening. The ink chamber and the pump chamber are enclosed between a first and a second end plate. The pump element is integrated within the pump chamber which forms part of the print head and there are divider elements and valve elements arranged lengthways along both sides of the pump element.

REFERENCES:
patent: 4376945 (1983-03-01), Hara et al.
patent: 4609925 (1986-09-01), Nozu et al.
patent: 4668965 (1987-05-01), Tanaka et al.
patent: 5171132 (1992-12-01), Miyazaki et al.
patent: 5259737 (1993-11-01), Kamisuki et al.

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