Ink jet recording apparatus with pressure adjustable mechanisms

Details Ink jet recording apparatus with pressure adjustable mechanisms Ink jet recording apparatus with pressure adjustable mechanisms

1987-09-14

1988-09-06

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

047696583

ABSTRACT:
In an ink jet recording apparatus, there is provided an air adjusting member (16) between an ink jet printing head (30) and an air supply source (12), and further provided an ink tank (11a) having an air introducing duct (20) including an air chamber (18) at the upper portion of an ink storage (19) and a duct extending to almost the bottom of the ink tank (11a). The air adjusting member has a smaller inside cross-sectional area than that of an air pipe (8), and placed nearby the ink jet recording head (30). The volume of the air chamber (18) is at least 10 to 20% by capacity of the ink tank (11a).

REFERENCES:
patent: 4106032 (1978-08-01), Miura et al.
patent: 4403234 (1983-09-01), Miura et al.

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