Internally pressure-regulated ink supply

Details Internally pressure-regulated ink supply Internally pressure-regulated ink supply

1987-05-27

1988-11-15

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, 346140A, G01D 1518

Patent

active

047853140

ABSTRACT:
A liquid ejection recording apparatus has a carriage, a liquid ejection recording unit, a lever biased by a spring for mounting the unit on the carriage, and a communication hole portion formed in an ink tank in the unit. When the unit is fixed on the carriage for printing, a projection presses the communication hole portion to provide a communication hole for communicating the interior of the ink tank with the outer atmosphere. Stable ink ejection is guaranteed without clogging of a nozzle or the like and regardless of the amount of ink remaining in the ink tank.

REFERENCES:
patent: 4419678 (1983-12-01), Kasugayama et al.
patent: 4503442 (1985-03-01), Barbero et al.
patent: 4503443 (1985-03-01), Dagna et al.
patent: 4599625 (1986-07-01), Terasawa et al.

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