Ink jet printer

Details Ink jet printer Ink jet printer

1982-03-08

1983-11-01

Griffin, Donald A.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, G01D 1518

Patent

active

044132654

ABSTRACT:
An ink jet printer includes a catcher having a catcher plate along the lower portion thereof which is pivotally mounted for rotation about an axis parallel to a row of jet drop streams produced by the ink jet printer print head. A charge electrode plate, defining a plurality of notched charge electrodes, is movable between a drop charging position and a remote position. At start up and shut down of the printer, the charge electrode plate is maintained in its drop charging position when a deflection field is produced by a deflection electrode, so as to shield the drops from the deflection field. The catcher is pivoted into a full catch position at start up and shut down so as to catch substantially all of the drops produced by the relatively unstable jet drop streams.

REFERENCES:
patent: 3701998 (1972-10-01), Mathis
patent: 4031561 (1977-06-01), Paranjpe
patent: 4081804 (1978-03-01), Van Breemen
patent: 4085409 (1978-04-01), Paranjpe
patent: 4160982 (1979-07-01), Keur
patent: 4238805 (1980-12-01), Paranjpe et al.
patent: 4305079 (1981-12-01), Mix
IBM Technical Disclosure Bulletin, vol. 20, No. 1, Jun. 1977, pp. 33-34, "Charge Electrode Alignment & Retraction," A. L. Mix, Jr.
IBM Technical Disclosure Bulletin, vol. 19, No. 8, Jan. 1977, pp. 3216-3217, "Ink Jet Head", K. A. Krause.

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