Ink supply system

Details Ink supply system Ink supply system

1978-10-23

1985-03-19

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

045062765

ABSTRACT:
An ink supply connection to both an interchangeable print head and the ink supply container of an ink jet printer system of the asynchronous, volume displacement droplet ejection type, the ink supply including means for automatically closing off the ink supply line to prevent either the loss of ink or the introduction of air into the container, supply and print head when either the print head or the container is removed from the system. The print head includes an ink supply pressure sensor for sensing the changes in pressure in the system and a valve operated by the sensor to supply ink to the system upon reduction of the pressure below a predetermined level.

REFERENCES:
patent: 3708798 (1973-01-01), Hildenbrand
patent: 3788519 (1974-01-01), Mengel
patent: 3910106 (1975-10-01), Brady
patent: 3950762 (1976-04-01), Anderka
patent: 4032929 (1977-06-01), Fischbeck
patent: 4074284 (1978-02-01), Dexter
patent: 4089007 (1978-05-01), Perry
patent: 4123761 (1978-10-01), Kimura
patent: 4125845 (1978-11-01), Stevenson

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