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Class Information
Number: 400/691
Name: Typewriting machines > Means auxiliary to typewriting function > Frame, casing, or support for typewriter
Description: Subject matter wherein significance is attributed to (a) that part of the structure which supports movable portions of the typewriter for movement relative thereto, or (b) that part of the structure which encloses or surrounds the typewriter or a portion thereof, or (c) that part of the structure that sustains the typewriter in typing position.


Sub-classes under this class:

Class Number Class Name Patents
400/692 Having means facilitating interchange of parts 237
400/693 Housing structure 350
400/694 Made of particular material (e.g., plastic, etc.) 38


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7619880 Portable electronic device with drainage structure Nov. 17, 2009
7607846 Ejection tray, sheet supply and ejection device, image forming apparatus, and information display device Oct. 27, 2009
7607847 Printer capable of stable printing without pitch fluctuations and paper carrying mechanism therefor Oct. 27, 2009
7593027 Image generating apparatus Sep. 22, 2009
7566043 Angle regulator and equipment with the angle regulator Jul. 28, 2009
7547154 Sheet material cutting unit and printing device Jun. 16, 2009
7537404 Modular printer May. 26, 2009
7536148 Image scanning device with a pivotable automatic document feeder May. 19, 2009
7520688 Mounting arrangement and support stand for print feed mechanisms Apr. 21, 2009
7517165 Printing unit with frame locking mechanism and release lever Apr. 14, 2009
7467903 Print engine with end moldings Dec. 23, 2008
7438488 Printer with reciprocating carriage and a two-stage frame structure Oct. 21, 2008
7419319 Image forming apparatus Sep. 2, 2008
7401991 Frame structure for a scanning-type printer Jul. 22, 2008
7398048 Image forming apparatus Jul. 8, 2008
7382605 Electronic device with sucker-fixed keyboard Jun. 3, 2008
7379701 Sheet cassette and image forming apparatus May. 27, 2008
7364378 Computer monitor Apr. 29, 2008
7354212 Image forming apparatus Apr. 8, 2008
7354214 Image forming apparatus having a chassis containing a curved part that supports a roller bearing Apr. 8, 2008
7344324 Image forming apparatus having a member for pressing a print head element against a platen roller Mar. 18, 2008
7329061 Ink jet printer with a belt-loading mechanism Feb. 12, 2008
7322764 Secure housing for an electronic unit Jan. 29, 2008
7315444 Modular structure for connecting interface on front panel of PC case Jan. 1, 2008
7303344 Label printing apparatus Dec. 4, 2007
7303346 Image-forming apparatus, frame structure used therein and method for producing the frame structure Dec. 4, 2007
7293870 Supporting structure and business machine utilizing the same Nov. 13, 2007
7290952 Recording apparatus with a slidably accommodated discharge tray Nov. 6, 2007
7284925 Printer module for a printing array Oct. 23, 2007
7285042 Electronic apparatus case having ventilation system Oct. 23, 2007
7281874 Thermal printer unit Oct. 16, 2007
7258503 Adjustment device for printer head of barcode printer Aug. 21, 2007
7249904 Modular printer for double-sided high-speed printing Jul. 31, 2007
7246963 Image forming device Jul. 24, 2007
7245869 Paper supply unit and an image forming apparatus having the same Jul. 17, 2007
7237969 Dual output tray Jul. 3, 2007
7222780 Inline printer assembly May. 29, 2007
7189019 Image forming apparatus Mar. 13, 2007
7172354 Self-contained edge printer Feb. 6, 2007
7153051 Tape printing apparatus, tape printing apparatus charger and tape printing apparatus charging system Dec. 26, 2006
7152971 Positioning structure in image forming apparatus Dec. 26, 2006
7140793 Imaging apparatus having a carrier support and drive arrangement Nov. 28, 2006
7125185 Display device having pagewidth printer Oct. 24, 2006
7114805 Recording apparatus Oct. 3, 2006
7116344 Handy thermal head printer Oct. 3, 2006
7109893 Notebook computer with a detachable keyboard Sep. 19, 2006
7101034 Print media cartridge with integral print media transport mechanism Sep. 5, 2006
7077590 Printhead assembly for use proximate a drive roller nip Jul. 18, 2006
7073442 Apparatus, systems and methods for use in three-dimensional printing Jul. 11, 2006
7070350 Image recording device Jul. 4, 2006

1 2 3 4 5 6


 
 
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