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Class Information
Number: 400/680
Name: Typewriting machines > Means auxiliary to typewriting function > Means for collapsing typewriter or support for record-medium or copy
Description: Subject matter wherein the structure of a typewriter is capable of being compacted to occupy a volume smaller than which it occupies while it is used for typing, or wherein the typewriter is provided with means for holding or retaining a record-medium* or a text from which the typist is reading as the typing is done, and wherein the holding or retaining means is capable of being compacted.

Sub-classes under this class:

Class Number Class Name Patents
400/683 By moving carriage relative to frame 6
400/682 By moving key-board relative to frame (e.g., into plural operating positions, etc.) 141
400/684 By moving type-bars relative to frame 3
400/681 By tilting typewriter (e.g., via collapsible legs, etc.) 30
400/685 Including typewriter built into carrying case 12

Patents under this class:

Patent Number Title Of Patent Date Issued
8004829 Portable electronic device enclosure Aug. 23, 2011
7905670 Method and apparatus for exposing printable media in a printer Mar. 15, 2011
7463480 Foldable keyboard Dec. 9, 2008
7393151 Portable computer keyboard Jul. 1, 2008
7193614 Multifunctional portable computing device with special housing Mar. 20, 2007
7153050 Collapsible keyboard Dec. 26, 2006
7101034 Print media cartridge with integral print media transport mechanism Sep. 5, 2006
7070350 Image recording device Jul. 4, 2006
7070270 Printer cartridge with media transport mechanism Jul. 4, 2006
6991389 Foldable keyboard Jan. 31, 2006
6749353 Office machine with paper roll printer Jun. 15, 2004
6697055 Multifunctional portable computing device with special housing Feb. 24, 2004
6661647 Snap-in display frame Dec. 9, 2003
6626529 Print media cartridge with integral print media transport mechanism Sep. 30, 2003
6623195 Collapsible keyboard Sep. 23, 2003
6585440 Folding keyboard having key modules with asymmetrical connection points Jul. 1, 2003
6309120 Printer having stacker Oct. 30, 2001
6206593 Computer with attached printer Mar. 27, 2001
5917995 Printer having a joint mechanism for fitting a paper feed unit Jun. 29, 1999
5646872 Information processing apparatus Jul. 8, 1997
5499043 Portable recording apparatus with included recording unit Mar. 12, 1996
5475413 Portable recording apparatus having relatively movable housing sections Dec. 12, 1995
5462375 Printer and data processing apparatus having printing unit Oct. 31, 1995
5454555 Recording apparatus Oct. 3, 1995
5364196 Portable computer with integral printer Nov. 15, 1994
5312196 Portable printer and sheet feeder May. 17, 1994
5236265 Portable printer with variable housing configurations Aug. 17, 1993
5229921 Portable data processing device with turnable display having two vertical positions Jul. 20, 1993
5213427 Printer with sheet storage cassette May. 25, 1993
5106219 Collapsible printer case Apr. 21, 1992
5105210 Ink jet recording apparatus expandable to accommodate variable sheet widths Apr. 14, 1992
4946300 Compact electronic apparatus Aug. 7, 1990
4929948 Portable data system May. 29, 1990
4859092 Portable apparatus with a mechanism for holding a display above a printer while the printer is printing data Aug. 22, 1989
4851812 Portable data system Jul. 25, 1989
4808017 Pivotable character display for a typewriter Feb. 28, 1989
4808021 Method and apparatus for storing accessories inside a printing device Feb. 28, 1989
4739316 Structure of portable electronic apparatus Apr. 19, 1988
4725157 Printing device with a pair of housings combined for relative rocking motion Feb. 16, 1988
4661005 Spittable keyboard for word processing, typing and other information input systems Apr. 28, 1987
4546947 Keyboard dust cover having integral copyholder Oct. 15, 1985
4531852 Printing apparatus of modular construction having a rotatable printhead and plural print stations Jul. 30, 1985
4395145 Serial printer Jul. 26, 1983
4344612 Sheet feeder support assembly Aug. 17, 1982

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