Image recording apparatus having spacer between aperture electro

Details Image recording apparatus having spacer between aperture electro Image recording apparatus having spacer between aperture electro

1994-02-24

1996-02-27

Beatty, Robert

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347149, G01D 1506

Patent

active

054952735

ABSTRACT:
An image recording apparatus having an aperture electrode and an electrically conductive opposing electrode. The aperture electrode selectively allows toners to pass. A sheet is backed by the opposing electrode, and the toner passing through the aperture electrode is attracted onto the sheet. A gap is provided between the aperture electrode and the opposing electrode by using a pair of spacers. The gap distance is greater than a minimum level to avoid puncture. The spacers are mounted on non aperture portions of the aperture electrode for supporting axially end portions of the opposing electrode or are mounted on the opposing electrode.

REFERENCES:
patent: 4074283 (1978-02-01), Fink et al.
patent: 4257054 (1981-03-01), Ishikawa
patent: 4258372 (1981-03-01), Ishikawa
patent: 4573061 (1986-02-01), Fujii et al.
patent: 4951070 (1990-08-01), Theodoulou et al.
patent: 5036341 (1991-07-01), Larsson
patent: 5132708 (1992-07-01), Schmidlin et al.
patent: 5296879 (1994-03-01), Kagayama

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