Ink jet recording apparatus having unitary cap with wiper portio

Details Ink jet recording apparatus having unitary cap with wiper portio Ink jet recording apparatus having unitary cap with wiper portio

1996-08-26

1999-04-20

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 33, B41J 2165

Patent

active

058961445

ABSTRACT:
An ink jet recording apparatus is of the construction where information is printed by ejecting ink drops through orifices of an ink jet head mounted on a carriage. The ink jet recording apparatus includes a cap for closing the surface of the ink jet head in which the orifices are formed. The cap is adapted to move between a first position at which the cap is fully disengaged with the orifices, and a second position at which the cap is engaged with the orifices. The cap communicates with a suction mechanism which negatively pressurizes the cap when the cap is at the second position. The carriage, cap, and suction mechanism are controllably driven by a controller. The cap is provided with an engagement member, which may take the form of a sweep blade, attached to its tip for sweeping the surface in which the orifices are formed. The controller causes the carriage to move when the engagement member moves to the second position so that the engagement member sweeps the surface to remove denatured ink and foreign matters from the orifices into the cap.

REFERENCES:
patent: 5103244 (1992-04-01), Gast et al.
patent: 5583547 (1996-12-01), Gast et al.
patent: 5625385 (1997-04-01), Suzuki
patent: 5670997 (1997-09-01), Sugimoto et al.

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