Ink jet print head
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United States of America Patent
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Oct 27, 1998
Grant Date -
N/A
app pub date -
Feb 21, 1995
filing date -
Mar 10, 1994
priority date (Note) -
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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.
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