Print gap adjusting device
Patent 5468076 Issued on November 21, 1995. Estimated Expiration Date: 
June 24, 2014. 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.
June 24, 2014. 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 ReferencesWire dot-matrix printer Ink-set printhead-to-paper referencing system Head gap adjustment device Method and apparatus for adjusting the spacing between head and platen in an impact printer or the like Printing device with adjustable printing head gap Patent #: 5360276 InventorsAssigneeApplicationNo. 265105 filed on 06/24/1994US Classes:400/59, By adjustment of carriage (e.g, carriage-guide rollers)347/8, Of spacing between fluid ejector and receiving medium400/55, INCLUDING ADJUSTMENT FOR OPTIMUM PRINTING PLANE400/56Responsive to thickness of record-mediumExaminersPrimary: Yan, RenAttorney, Agent or FirmForeign Patent References
International ClassB41J 025/308Foreign Application Priority Data1993-06-25 JPAbstractIn forming a desired print gap between a sheet of paper fed on a platen and a print head by driving a moving mechanism for changing a space between the platen and the print head, a condition where the space between the platen and the print head becomes smaller than a predetermined value is detected, and in this case the space between the platen and the print head is increased by a driving portion for driving the moving mechanism. Accordingly, when a thin paper is used as the sheet of paper, cutting, wrinkling, etc. of the thin paper can be prevented. | |
