Ink-jet off axis ink delivery system

Details Ink-jet off axis ink delivery system Ink-jet off axis ink delivery system

1995-09-05

1999-03-23

Metjahic, Safet

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

058867180

ABSTRACT:
An off-axis ink delivery system for an ink-jet hard copy apparatus includes a multifunctional ink pump and flow switch device. A semipermanent, negative pressure, pen and printhead has a fluidic coupling to a static, refillable or replaceable, off-axis, ink reservoir via the ink pump and flow switch device.. The pen's mechanism for creating the negative pressure operational condition is used to pull ink from the reservoir when the ink pump and flow switch device is in an "open" position. Negative pressure reset, nozzle priming, pen air purging functions are also provided by the same ink pump and flow switch device. A system for each color ink is employed in the hard copy apparatus.

REFERENCES:
patent: 4422084 (1983-12-01), Saito
patent: 4833491 (1989-05-01), Rezanka
patent: 4992802 (1991-02-01), Dion et al.
patent: 5039999 (1991-08-01), Winslow et al.
patent: 5359353 (1994-10-01), Hunt et al.
patent: 5455615 (1995-10-01), Burr et al.
patent: 5505339 (1996-04-01), Cowger et al.

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