Ink jet head and method of production thereof

Details Ink jet head and method of production thereof Ink jet head and method of production thereof

2005-01-18

2005-01-18

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S070000, C347S054000

Reexamination Certificate

active

06843554

ABSTRACT:
An ink jet head including nozzles, ink chambers, and an ink channel in fluid communication with each other. A diaphragm defines one portion of each of the ink chambers. Piezoelectric actuators are disposed in confrontation with the diaphragm in a one-to-one correspondence with the ink chambers. A relay member is provided between each piezoelectric actuator and the diaphragm. Each relay member has a first abutment surface and a second abutment surface on opposite sides thereof. Each first abutment surface abuts the diaphragm across a width that extends in the nozzle alignment direction. The width of each first abutment surface is shorter than the width of the corresponding ink chamber. Each second abutment surface is coupled to the corresponding piezoelectric actuator and has a width that extends in the nozzle alignment direction. The width of each second abutment surface is equal to or shorter than the width of the corresponding piezoelectric actuator. The width of each first abutment surface is shorter than the width of each second abutment surface.

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patent: 2000280470 (2000-10-01), None

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