Ink jet recording apparatus and cleaning unit thereof

Details Ink jet recording apparatus and cleaning unit thereof Ink jet recording apparatus and cleaning unit thereof

2005-04-26

2005-04-26

Hsieh, Shih-wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06883897

ABSTRACT:
In an inkjet recording apparatus which is equipped with a recording head having a discharge opening surface on which plural different-length discharge opening arrays are disposed in parallel, plural wipers are provided for wiping off the discharge opening surface in a direction intersecting the discharge opening arrays. Each of the plural wipers has a main wiping section corresponding to the length of the corresponding discharge opening array, notch sections capable of avoiding convex portions or concave portions located in the vicinity of both the ends of the corresponding discharge opening array, and a sub wiping section corresponding to an area other than the discharge opening array and the convex or concave portions, whereby it is possible to effectively wipe off the discharge opening surface by a simple structure and easily output a high-quality recording result by an inexpensive mechanism.

REFERENCES:
patent: 5500660 (1996-03-01), Childers et al.
patent: 6109725 (2000-08-01), Saikawa et al.
patent: 6189998 (2001-02-01), Yanagi
patent: 6213582 (2001-04-01), Uchida et al.
patent: 6460968 (2002-10-01), Chee et al.
patent: 20030007030 (2003-01-01), Sakamoto et al.
U.S. Appl. No. 10/446,720, filed May 29, 2003 (Tanaka), issued pat. # pending.
U.S. Appl. No.10/456,623, filed Jun. 9, 2003 (Sakamoto), FN mailed Dec. 21, 2004.

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