Head for image printing apparatus

Details Head for image printing apparatus Head for image printing apparatus

1991-05-14

1992-06-02

Fuller, Benjamin R.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

051191105

ABSTRACT:
A head for an image printing apparatus includes a housing, an air nozzle, an ink nozzle, a valve seat, a diaphragm, and an actuator. The housing has a cylindrical body with a bottom to cause a nozzle head to oppose a printing surface at a predetermined interval. The air nozzle is connected to an air path formed at a central portion of a front end face of the nozzle head. The ink nozzle is formed coaxial with the air nozzle, connected to an external pressurized ink tank, and formed in the nozzle head. The valve seat is formed in a rear opening end of the ink nozzle. The diaphragm is in tight contact with the valve seat and has a peripheral portion supported by the nozzle head. The actuator is supported by a support member in the housing and its operation end is fixed on a central portion of a surface of the diaphragm.

REFERENCES:
patent: 4106032 (1978-08-01), Miura et al.
patent: 4628330 (1986-12-01), Suga et al.
patent: 4665409 (1987-05-01), Behrens et al.
patent: 4672397 (1987-06-01), Suga et al.
patent: 4723131 (1988-02-01), Droit
W. L. Dollenmayer, "Ink Jet Nozzle Design", IBM Tech Journal, vol. 22, No. 6, Nov. 1979.

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