Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-10-31
2006-10-31
Meier, Stephen (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S034000
Reexamination Certificate
active
07128388
ABSTRACT:
A nozzle guard (80) for an ink jet printer printhead with an array (14) of nozzles (10). The nozzle guard (80) has an array of apertures (84) individually corresponding to the nozzle array (14). The ink droplets are ejected through the apertures (84) and onto the media to be printed. A wiper blade (143) sweeps dust and residual ink (144) stuck to the exterior surface (142) of the nozzle guard (80) characterized in that the exterior surface has one or more recesses (146) encompassing a group or pod of the apertures (84) to prevent the wiper blade (143) from engaging the exterior surface (142) immediately adjacent any of the apertures (84) in the pod.
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Meier Stephen
Tran Ly T.
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