Air system to protect ink jet head

Details Air system to protect ink jet head Air system to protect ink jet head

1992-12-21

1996-05-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 34, 55337, 400173, B41J 2165

Patent

active

055194206

ABSTRACT:
A system for cleaning documents of dust particles as the documents are moved to a print station in a terminal where an ink jet printer is used to print on the documents. A vacuum manifold is positioned upstream of the print station to clean a document of dust as the document is moved towards the printer. A cyclone dust collector is used to collect the dust particles gathered by the vacuum manifold. An air curtain system provides a curtain of air between the print head of the printer and the face of the document to be printed upon to keep any dust particles left at the print station from coming into contact with the nozzles or jets of the printer.

REFERENCES:
patent: 3854399 (1974-12-01), Keur et al.
patent: 4361845 (1982-11-01), Smith
patent: 4411706 (1983-10-01), Wallace et al.
patent: 4591869 (1986-05-01), Katerberg et al.
patent: 4861178 (1989-08-01), Reed
patent: 4996538 (1991-02-01), Brecy et al.

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