Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1997-07-28
2000-03-28
Barlow, John
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 85, 347 70, B41J 2045
Patent
active
060422238
ABSTRACT:
Pressure generating units 1, 2 are formed so as to be inclined at an angle .theta. with respect to pressure generating chamber 4, 5 arraying lines. A plurality of pressure generating units are fixed to a passage unit 6 so as to be shifted in such a manner that the plurality of pressure generating units neighbor at end faces in a pressure generating chamber 4, 5 arraying direction and in such a manner that a pressure generating chamber 4, 5 arraying pitch between the confronting pressure generating units 1, 2 becomes equal to a pressure generating chamber 4, 5 arraying pitch designed for a pressure generating unit. Further, such pressure generating units 1, 2 are arranged in a plurality of arrays A, B, C in a recording head moving direction, and reservoirs 8, 9 are formed so as to cross over the pressure generating units 1, 2 per each of the plurality of arrays A, B, C. Ink introducing ports 11, 12 are formed at stepped portions in a boundary region between the pressure generating units 1, 2.
REFERENCES:
patent: 5160945 (1992-11-01), Drake
patent: 5790155 (1998-08-01), Usui et al.
patent: 5889539 (1999-03-01), Kamoi et al.
Barlow John
Brooke Michael S
Seiko Epson Corporation
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