Pagewidth printhead assembly including capping devices that...

Details Pagewidth printhead assembly including capping devices that... Pagewidth printhead assembly including capping devices that...

2005-07-19

2005-07-19

Hsieh, Shih-wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S032000

Reexamination Certificate

active

06918649

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 flexible arm that carries a pad that engages a nozzle guard of the printhead when in the closed position. The flexible arm is moved away from the nozzle guard during opening and closing operations.

REFERENCES:
patent: 5614929 (1997-03-01), Dangelo et al.
patent: 5677715 (1997-10-01), Beck
patent: 5682186 (1997-10-01), Bohorquez et al.
patent: 5712668 (1998-01-01), Osborne et al.
patent: 6293648 (2001-09-01), Anderson
patent: 6547368 (2003-04-01), Silverbrook

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