Ink cartridge for ink jet printer having easy ink supplementing

Details Ink cartridge for ink jet printer having easy ink supplementing Ink cartridge for ink jet printer having easy ink supplementing

1997-02-24

1999-04-27

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 85, B41J 2175

Patent

active

058984500

ABSTRACT:
An ink cartridge for ink jet printers having an easy ink-complementing function that includes a reservoir for storing ink, an opening plate for controlling the drop-size of ink, an ink reserving elastic member disposed in the reservoir to reserve and feed ink, a cap for capping the reservoir, and a supplemental ink overflow preventing unit placed within the cap. The overflow preventing unit has an injection hole, and makes it possible to identify the supplemental ink overflowing around the injection hole and to automatically inject the overflow ink by self-gravity.

REFERENCES:
patent: 3949707 (1976-04-01), Armstrong et al.
patent: 4515463 (1985-05-01), Plumadore
patent: 5017951 (1991-05-01), De Prijcker et al.
patent: 5126767 (1992-06-01), Asai
patent: 5275310 (1994-01-01), Mielnik et al.
patent: 5356037 (1994-10-01), Harrold
patent: 5531055 (1996-07-01), Sell et al.
patent: 5682186 (1997-10-01), Bohorquez et al.

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