Ink jet nozzle head with backing member

Details Ink jet nozzle head with backing member Ink jet nozzle head with backing member

1997-07-17

2000-12-19

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

061619256

ABSTRACT:
An ink jet nozzle head including a channel plate defining a linear array of equidistanced nozzles and a plurality of substantially parallel ink channels communicating with an associated nozzle, a vibration plate disposed on the channel plate, a plurality of separately disposed block members, each containing a comb-like array of fingers which extend toward and engage the vibration plate, some fingers functioning as actuators for exerting mechanical pressure on ink contained in the ink channels, which in turn expels ink droplets from the nozzles, at least one actuator being provided for each nozzle, and the other fingers serving as support members, backing means mechanically interconnecting the actuators and support members, the support members supporting the channel plate and the backing means against the reaction forces of the actuators, the backing means comprising a separate backing member disposed over said array of fingers and being more flexible in the transverse direction of the ink channels than in the longitudinal direction thereof.

REFERENCES:
patent: 5761783 (1998-06-01), Osawa et al.
Minoru, et al, English-language abstract of Japanes patent JP-A-3-221458.
Kenji, English-language abstract of Japanese patent JP-A-7-3146712.
Toshio, et al, English-language abstract of Japanese patent JP-A-7-081058.

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