Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1992-09-30
1996-10-01
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 87, G01D 1516
Patent
active
055614507
ABSTRACT:
In a printing system including an ink jet printhead, a supply of ink therefor, and structure for controlling the printhead for ejecting ink droplets therefrom, apparatus comprising, a disposable cartridge including the ink supply and printhead, the cartridge including a front wall and a base wall, the cartridge base wall including a foot portion extending to the cartridge front wall and defining therewith a lower frontal edge, structure for supporting the cartridge, the supporting structure including a front wall, the supporting structure including a portion of the printhead controlling structure, the portion including an electrical connector overlaying the supporting structure front wall, the connector including a plurality of exposed electrical terminals, the supporting structure including oppositely spaced shoe portions extending both toward one another and forwardly of the supporting structure front wall for positioning the cartridge relative to the supporting structure terminals when the cartridge is mounted on the supporting structure, structure for facilitating manually removably mounting the cartridge on the supporting structure, the facilitating structure including a pair of elongate spring finger members oppositely-spaced from one another for receiving therebetween the cartridge and blocking movement of the cartridge into engagement with the supporting structure terminals, the spring finger members each including a free-end portion thereof configured for aligning the cartridge front wall with the supporting structure shoe portions and guiding movement of the cartridge lower frontal edge into seating relationship with the supporting structure shoe portions as the cartridge is being mounted on the supporting structure.
REFERENCES:
patent: 4500895 (1985-02-01), Buck et al.
patent: 4635080 (1987-01-01), Watanabe
patent: 4755836 (1988-07-01), Ta et al.
patent: 4760409 (1988-07-01), Kiyohara et al.
patent: 4844564 (1989-07-01), Price, Sr. et al.
patent: 4907018 (1990-03-01), Pinkerpall et al.
Brewster, Jr. William H.
Collins Joseph D.
Sette Paul R.
Fuller Benjamin R.
Hallacher Craig A.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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