Liquid discharge head cartridge

Details Liquid discharge head cartridge Liquid discharge head cartridge

2006-06-06

2006-06-06

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S087000

Reexamination Certificate

active

07055942

ABSTRACT:
A liquid discharge head cartridge can assuredly supply a liquid discharge head with a liquid even when a bubble is generated within a liquid channel, and maintain excellent recording characteristics even in a configuration in which light recovery or no recovery is adopted. The cartridge includes a slit-shaped opening provided at an ink channel facing an ink-jet recording head, a filter provided at an ink introducing unit so as to contact an ink absorber, and ribs for supporting the filter that extend from an inner wall of the ink introducing unit to a substantially central portion of the filter.

REFERENCES:
patent: 4771295 (1988-09-01), Baker et al.
patent: 5502479 (1996-03-01), Ishinaga et al.
patent: 5969739 (1999-10-01), Altendorf et al.
patent: 6082852 (2000-07-01), Soga et al.
patent: 6325499 (2001-12-01), Betschon
patent: 6592215 (2003-07-01), Udagawa et al.
patent: 6945643 (2005-09-01), Tajima et al.
patent: 2002-137410 (2002-05-01), None

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