Ink jet nozzle/valve, pen and printer

Details Ink jet nozzle/valve, pen and printer Ink jet nozzle/valve, pen and printer

1994-12-05

1997-07-22

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 54, 347 68, 401156, B41J 201

Patent

active

056508069

ABSTRACT:
An ink jet printer or a pen has a nozzle or valve (4) formed by an orifice in an elastic material (1), and the orifice comprising a slit or hole (9) in the elastic material deformable to cause the slit or hole to open or close to eject ink (2) under pressure. The printer preferably has plural, closely spaced nozzles and actuators in the form of a piezoelectric unimorph (10).

REFERENCES:
patent: 378742 (1888-02-01), Underwood
patent: 2014149 (1935-09-01), Stafford
patent: 2063892 (1936-09-01), Beck
patent: 2287209 (1942-06-01), Weiss
patent: 3693843 (1972-09-01), Perry et al.
patent: 4201491 (1980-05-01), Kohler
patent: 4284996 (1981-08-01), Greve
patent: 4395719 (1983-07-01), Majewski et al.
patent: 4762433 (1988-08-01), Bergeson et al.
patent: 4997301 (1991-03-01), Sheu

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