Device to assure paper flatness and pen-to-paper spacing during printing
September 25, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPrinting device comprising a distance member Recording mechanism using ball-point-pen Electrostatic recording apparatus Highly integrated ink jet head Means and method for compensating for print medium thickness in line printers Ink jet printer Serial ink jet printing head Ink jet printer with gas evacuating arrangement Serial printhead ink supply Serial ink jet printing arrangement providing a removably mounting of the printing head on a carriage InventorsApplicationNo. 412582 filed on 09/25/1989US Classes:347/8, Of spacing between fluid ejector and receiving medium346/139C, Stylus feature400/56Responsive to thickness of record-mediumExaminersPrimary: Hartary, Joseph W.Foreign Patent References
International ClassB41J 002/01AbstractA printer includes an inkjet pen to eject ink drops for printing on the surface of a sheet, a carriage mounted to carry the pen back and forth on the sheet, and a skid-like spacer to ride upon the printed surface. The spacer maintains a preselected spacing between the pen and the printed surface and, also, maintains paper flatness at the localized area of printing.Other References
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