Ink supply system for nonimpact printers

Details Ink supply system for nonimpact printers Ink supply system for nonimpact printers

1982-11-30

1985-07-02

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

045271755

ABSTRACT:
In a nonimpact printer having a reciprocable printer head, ink is supplied to the head through a pair of identical, flexible conduits which are connected from first and second spaced apart outlets of an ink container. The container is not air tight with the outside so that it can act as a pressure absorber. Each of the first and second conduits have a sufficient length to allow the head to reciprocate along the length of a platen with end of each conduit moving therewith to cause pressure variations to occur in the conduits when the printer head varies its speed of movement. By virtue of the pressure absorbing action of the liquid container, the pressure variations are nullified and the printer head is supplied with constant pressure ink.

REFERENCES:
patent: 2176777 (1939-10-01), Tate
patent: 2214636 (1940-09-01), Hutchens
patent: 3327315 (1967-06-01), Felton
patent: 3373435 (1968-03-01), Strong
patent: 3747120 (1973-07-01), Stemme
patent: 3787884 (1974-01-01), Demer
patent: 4188634 (1980-02-01), Anderka et al.
patent: 4323907 (1982-04-01), Italiano
patent: 4422086 (1983-12-01), Miura
Hendriks et al.; Pressure Surge Annihilator for Ink Jet Heads; IBM TDB, vol. 21, No. 12, May 1979, pp. 5062-5063.

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