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Class Information
Number: 400/55
Name: Typewriting machines > Including adjustment for optimum printing plane
Description: Subject matter wherein significance is attributed to adjustment of the optimum printing plane of a typewriter as that term is discussed and defined in (1) Note below.


Sub-classes under this class:

Class Number Class Name Patents
400/59 By adjustment of carriage (e.g, carriage-guide rollers) 165
400/58 By adjustment of platen relative to carriage 97
400/57 In accordance with the number of sheets of record-medium 40
400/56 Responsive to thickness of record-medium 219


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7475979 Dynamic registration device for mailing system Jan. 13, 2009
7470072 Platen gap adjustment assembly, printing apparatus and printer for printing to a print medium between a platen and a print head Dec. 30, 2008
7331728 Printer having a platen Feb. 19, 2008
7290949 Line printer having a motorized platen that automatically adjusts to accommodate print forms of varying thickness Nov. 6, 2007
7226226 Printing apparatus Jun. 5, 2007
7213986 Printer apparatus May. 8, 2007
7121662 Image forming apparatus Oct. 17, 2006
7086795 Roller assembly Aug. 8, 2006
7083245 Recording apparatus Aug. 1, 2006
7063468 Ink-jet printer having head gap adjusting apparatus Jun. 20, 2006
7059697 Ink jet printing apparatus and ink jet printing method Jun. 13, 2006
7044570 Ink jet printing apparatus and ink jet printing method May. 16, 2006
7040822 Portable printing system May. 9, 2006
7040819 Stable area detection device of platen gap and recording apparatus May. 9, 2006
7037008 Printing apparatus, printing control method, and program for implementing the method May. 2, 2006
7029189 Portable printer Apr. 18, 2006
7014376 Thermal printer Mar. 21, 2006
6997623 Printer Feb. 14, 2006
6988838 Ink jet recording apparatus Jan. 24, 2006
6966711 Dynamic registration device for mailing system Nov. 22, 2005
6964533 Printing zone with closely located printhead and media Nov. 15, 2005
6945714 Recording apparatus Sep. 20, 2005
6921217 Gap adjusting device, recording apparatus and liquid ejection apparatus Jul. 26, 2005
6886897 Apparatus to adjust the head gap in ink-jet printers May. 3, 2005
6883979 Serial printer detecting set condition for image formation and method of controlling the same Apr. 26, 2005
6874956 Printhead-to-media spacing adjustment in a printer Apr. 5, 2005
6869235 Recording apparatus Mar. 22, 2005
6860664 Printer with printhead close to the media Mar. 1, 2005
6830311 Ink jet recording apparatus, moving position control method of capping device therein, and flushing control method therefor Dec. 14, 2004
6793419 Printer Sep. 21, 2004
6769825 Thermal printer with liftable printing head Aug. 3, 2004
6739683 Ink-jet recording apparatus May. 25, 2004
6698855 Automatic spacing adjustment mechanism of cartridge Mar. 2, 2004
6692166 Franking machine with a clamping device for an item of mail Feb. 17, 2004
6672780 Thermal printhead mechanism Jan. 6, 2004
6669382 Printer and method of controlling the same Dec. 30, 2003
6666600 Printer having detection and correction of tilt using skew correction Dec. 23, 2003
6663302 Printhead-to-media spacing adjustment in a printer Dec. 16, 2003
6644765 Apparatus for and method of adjusting a position of a printing head in an inkjet printer Nov. 11, 2003
6637958 Printing system with adjustable carriage rail support Oct. 28, 2003
6629788 Method and apparatus for clamping and adjusting an anti-rotation rail to adjust printhead to platen/media spacing in a printer Oct. 7, 2003
6616355 Printing system for accommodating various substrate thicknesses Sep. 9, 2003
6595709 Serial printing device Jul. 22, 2003
6565272 Compliant carriage adjustment method and apparatus for setting default printhead-to-media- spacing in a printer May. 20, 2003
6561606 Ink jet printing apparatus, image reading apparatus, ink jet printing method and image reading method May. 13, 2003
6561641 Precision writing line control platen for high resolution ink jet printing May. 13, 2003
6536345 Printing on the surface of edible substrates Mar. 25, 2003
6502058 Device for measuring thickness of a form document in an impact printer Dec. 31, 2002
6464414 Print media sensor adjustment mechanism Oct. 15, 2002
6431771 Printer Aug. 13, 2002

1 2 3 4


 
 
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