Vacuum cleaner for acoustic ink printing

Details Vacuum cleaner for acoustic ink printing Vacuum cleaner for acoustic ink printing

1992-06-04

1994-02-15

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2185

Patent

active

052871266

ABSTRACT:
A vacuum cleaner for helping maintain the cleanliness of the exposed surfaces of an ink jet droplet ejector. The vacuum cleaner is comprised of a top cover plate, having a plurality of air passages, that is located over a channel surface by spacers. A vacuum means draws the pressure in the defined volume between the top cover plate, the channel surface, and the spacers below the external pressure, whereby air is drawn into the defined volume through the air passages. The resulting air flow removes ink, dust, and debris from the vicinity of the exposed surfaces, thereby helping to maintain the cleanliness of the droplet ejector. The top cover plate and spacers are beneficially formed using silicon microstructure fabrication techniques.

REFERENCES:
patent: 3776461 (1973-12-01), Kashio
patent: 4317124 (1982-02-01), Shirato et al.
patent: 4367479 (1983-01-01), Bower
patent: 4542389 (1985-09-01), Allen
patent: 4851863 (1989-07-01), Yamamori et al.
patent: 5121141 (1992-06-01), Hadimoglu et al.
patent: 5155498 (1992-10-01), Roy et al.
patent: 5184147 (1993-02-01), MacLane et al.

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