Ink jet printer

Details Ink jet printer Ink jet printer

1980-09-23

1982-08-31

Miller, Jr., George H.

Recorders

Record receiver deforming

346 11, 346140R, G01D 1518

Patent

active

043475205

ABSTRACT:
An ink jet printer includes a print head means which generates two parallel rows of jet drop streams. Charge electrodes are mounted on a pair of charge electrode plates which are movable into and out of drop charging positions. A pair of catchers each define a drop catching surface and a drop ingesting slot along the lower edge of the drop catching surface. Each of the catchers is generally pivotally mounted for rotation about an axis parallel to the rows of jet drop streams. The catchers may be pivoted from a drop catching position, in which the drop catching surfaces are substantially parallel, to a full catch position in which drop catching surfaces are inclined to face upward and intercept the jet drop streams. In the full catch position, the drop ingesting slots are positioned closely together. A linkage arrangement is provided for pivoting the catchers from the full catch position to the drop catch position after start up of the print head means. The linkage arrangement also moves the charge electrode plates into the drop charging positions after the catchers are pivoted sufficiently to apply a drop deflecting potential to thereto, but while the drop catching surfaces intercept the jet drop streams.

REFERENCES:
patent: 3701998 (1972-10-01), Mathis
patent: 4031561 (1977-06-01), Paranjpe
patent: 4069486 (1978-01-01), Fox
patent: 4081804 (1978-03-01), Van Breeman et al.
patent: 4160982 (1979-07-01), Keur
Kraus, K. A., Ink Jet Head, IBM Technical Disclosure Bulletin, vol. 19, No. 8, Jan. 1977, pp. 3216-3217.
Mix, A. L. Jr., Charge Electrode Alignment and Retraction, IBM Technical Disclosure Bulletin, vol. 20, No. 1, Jun. 1977, pp. 33-34.

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