Ink-jet printer with air-discharge-flow assuring means

Details Ink-jet printer with air-discharge-flow assuring means Ink-jet printer with air-discharge-flow assuring means

2008-04-29

2008-04-29

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S086000

Reexamination Certificate

active

07364279

ABSTRACT:
An ink-jet printer, including: a printing head for performing printing on a print medium by ejecting ink from nozzles; an ink tank for storing the ink to be supplied to the printing head; an ink passage through which the ink is supplied from the ink tank to the printing head; a buffer tank which stores the ink supplied through the ink passage; and an air-discharging device which discharges an air accumulated in the buffer tank through an air-discharge passage and which includes a valve member operable to open and close a communication opening that is provided in the air-discharge passage a part of which functions as a valve chamber and having: a valve portion which opens and closes the communication opening and which includes a sealing member; and a rod portion connected to the valve portion, wherein the air-discharging device further includes air-discharge-flow assuring means for assuring a discharge flow of the air flowing from the buffer tank through the air-discharge passage.

REFERENCES:
patent: 5280300 (1994-01-01), Fong et al.
patent: 2001/0052370 (2001-12-01), Shinada et al.
patent: 2004/0183873 (2004-09-01), Steinmetz et al.
patent: A 2000-103084 (2000-04-01), None
patent: A 2002-240310 (2002-08-01), None
patent: WO2004069545 (2004-08-01), None

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