Ink ejection head

Details Ink ejection head Ink ejection head

1982-05-18

1984-01-31

Miller, Jr., George H.

Recorders

Record receiver deforming

346 11, 346140R, G01D 1518

Patent

active

044293178

ABSTRACT:
An ink ejection head including a nozzle holding member having an ink ejection nozzle threadably connected to a forward end portion of a liquid chamber structure. The ink ejection heads further includes a sealing member, such as a packing or an O-ring, located inwardly of a threaded connection as viewed from a liquid chamber in the liquid chamber structure. Introduction of dust or grit through the threaded connection into the liquid chamber can be effectively avoided by this arrangement, to thereby prevent obturation of the ink ejection nozzle.

REFERENCES:
patent: 3708118 (1973-01-01), Keur
patent: 4138687 (1979-02-01), Cha et al.
patent: 4375066 (1983-02-01), Herd

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