Ink jet print head

Details Ink jet print head Ink jet print head

1995-02-21

1998-10-27

Yockey, David F.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 71, B41J 2145, B41J 2045

Patent

active

058283900

ABSTRACT:
An ink jet print head has a middle part or plate sandwiched between two outer plates, with the middle plate being the only structured or profiled plate. The middle plate has different structures on its two opposite surfaces respectively facing the outer plates. Each of the different structures has recesses forming a group of non-concentric ink chambers. The ink chambers of each of these different structures are respectively spaced from one another in the x, y and z directions. Nozzle channels leading to a single nozzle row are fashioned on one of the two surfaces of the middle part. The ink chambers of one of the groups are directly connected to the nozzles by respective nozzle channels while the ink chambers of the other group are connected to the nozzles by respective nozzle channels and by respective channels extending through the middle part.

REFERENCES:
patent: 3988745 (1976-10-01), Sultan
patent: 4367480 (1983-01-01), Kotoh
patent: 4525728 (1985-06-01), Koto
patent: 4591883 (1986-05-01), Isayama
patent: 5028514 (1991-07-01), Johannesen
patent: 5592203 (1997-01-01), Thiel et al.
"Print Engine Design Utilizing Impluse Ink Jet," Werning, First Annual Ink Jet Printing Workshop, Mar. 25-27, 1992, Cambridge, Massachusetts.

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