Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-08-29
2006-08-29
Hsieh, Shih-Wen (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07097273
ABSTRACT:
An ink ejection type printhead assembly includes a plurality of printhead modules, each of which includes a U shaped shutter that is mounted on the module with the arms of the shutter engaging the upper and lower surfaces of the module. The upper arm of the shutter has a pad that in the closed position blocks the outlets of the printhead. The shutter slides between open and closed positions under the influence e of a rotatable cam. The shutter includes a resilient leg that extends from the base of the U to engage the module and bias the shutter to the open position.
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