US PATENT SUBCLASS 347 / 69
.~.~.~.~ Shear mode

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

1  DF  INK JET {6}
20  DF  .~ Ejector mechanism (i.e., print head) {13}
54  DF  .~.~ Drop-on-demand {3}
68  DF  .~.~.~ With piezoelectric force ejection {3}
69.~.~.~.~ Shear mode

DEFINITION

Classification: 347/69

Shear mode:

(under subclass 68) Subject matter in which the piezoelectric element is displaced or deformed to change the volume of ink chamber to eject ink due to shearing strains.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

333, for shear-mode-type piezoelectric elements.