Liquid ejection head

Details Liquid ejection head Liquid ejection head

2005-04-05

2005-04-05

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S043000

Reexamination Certificate

active

06874863

ABSTRACT:
A liquid ejection unit is constituted by including a flow path unit comprising a nozzle plate, a flow path forming plate and a sealing plate, the unit is attached to a head holder, at least two of first liquid ejection units are aligned in a direction of nozzle arrays, a second liquid ejection unit having a shorter length in the first direction than the first liquid ejection unit is arranged at a discontinuous portion of the nozzle arrays between the first liquid ejection units by being shifted from an alignment of the first ejection liquid units in a second direction and a single unit is formed by the liquid ejection units such that the nozzle arrays constitute a long nozzle group for ejecting the same kind of a liquid.

REFERENCES:
patent: 5469199 (1995-11-01), Allen et al.
patent: 6394579 (2002-05-01), Boyd et al.
patent: 6530647 (2003-03-01), Kubota et al.
patent: 6742866 (2004-06-01), Anderson et al.
patent: 0914950 (1999-05-01), None
patent: 2752843 (1998-02-01), None

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