B
SECTION B — PERFORMING OPERATIONS
  
PRINTING
 B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
 B41J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME (composing B41B; printing on special surfaces B41F; laundry marking B41K; recognition or presentation of data, marking record carriers G06K; franking or ticket-printing and issuing apparatus G07B; receivers or transmitters for telegraphic communication H04L; printing characters point-by-point by signals derived from point-by-point analysis of original characters, pictorial communication H04N 1/00; printing mechanisms specially adapted for apparatus, e.g. cash registers, weighing machines, producing records of their own performances, see the appropriate sub-classes)
 B41J

Note(s)

This sub-class includes manually controlled power-operated apparatus and apparatus of this type with additional control by input of recorded information, e.g. on punched cards or tapes. It also includes the "print-out" features of apparatus controlled by record carriers or electric signals in so far as these are of general interest, e.g. impression, inking, line-spacing mechanisms, but excludes electrical features thereof and such apparatus as a whole.

 B41J 1/00
Typewriters or selective printing mechanisms characterised by the mounting, arrangement, or disposition of the types or dies (non-selective embossing B44B 5/00)
 B41J 1/02
·  with separate or detached types or dies
 B41J 1/04
·  with types or dies carried upon levers or radial arms, e.g. manually operated (B41J 1/16 takes precedence)
 B41J 1/06
·  ·  on power-operated levers or arms
 B41J 1/08
·  with types or dies carried on sliding bars or rods
 B41J 1/10
·  ·  on end surfaces thereof
 B41J 1/12
·  ·  on side surfaces thereof, e.g. fixed thereto
 B41J 1/14
·  ·  ·  the types or dies being movable relative to the bars or rods (mounted on flexible bars or rods B41J 1/16)
 B41J 1/16
·  with types or dies arranged in stationary or sliding cases or frames or upon flexible strips, plates, bars, or rods
 B41J 1/18
·  with types or dies strung on wires or rods
 B41J 1/20
·  with types or dies mounted on endless bands or the like
 B41J 1/22
·  with types or dies mounted on carriers rotatable for selection
 B41J 1/24
·  ·  the plane of the type or die face being perpendicular to the axis of rotation (B41J 1/60 takes precedence)
 B41J 1/26
·  ·  ·  Carriers moving for impression
 B41J 1/28
·  ·  ·  Carriers stationary for impression, e.g. with the types or dies not moving relative to the carriers
 B41J 1/30
·  ·  ·  ·  with the types or dies moving relative to the carriers or mounted on flexible carriers
 B41J 1/32
·  ·  the plane of the type or die face being parallel to the axis of rotation, e.g. with type on the periphery of cylindrical carriers (B41J 1/60 takes precedence)
 B41J 1/34
·  ·  ·  Carriers rotating during impression
 B41J 1/36
·  ·  ·  Carriers sliding for impression, e.g. manually operated
 B41J 1/38
·  ·  ·  ·  power operated
 B41J 1/40
·  ·  ·  Carriers swinging for impression
 B41J 1/42
·  ·  ·  ·  about an axis parallel to the axis of rotation of the carrier
 B41J 1/44
·  ·  ·  Carriers stationary for impression
 B41J 1/46
·  ·  ·  ·  Types or dies fixed on wheel, drum, cylinder, or like carriers
 B41J 1/48
·  ·  ·  ·  ·  with a plurality of carriers, one for each character space
 B41J 1/50
·  ·  ·  ·  ·  with one or more carriers travelling across copy material in letter-space direction
 B41J 1/52
·  ·  ·  ·  ·  with copy material moving in the letter-space direction, and carrier mounting being fixed
 B41J 1/54
·  ·  ·  ·  Types or dies movable on wheel, drum, cylinder, or like carriers
 B41J 1/56
·  ·  ·  ·  Types or dies on shuttles or like loose carriers
 B41J 1/58
·  ·  ·  ·  Types or dies upon arcuate bars
 B41J 1/60
·  with types or dies on spherical, truncated-spherical, or like surfaces
 B41J 3/00
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed or by the purpose for which they are constructed (marking record carriers in digital fashion G06K)
 B41J 3/02
·  for building-up characters by writing or by combining several components
 B41J 3/04
·  ·  by moving styli or their equivalent or writing jets
 B41J 3/06
·  ·  by the selective combination of two or more non-identical type elements
 B41J 3/08
·  ·  by selective impressions from a rotating helical member
 B41J 3/10
·  ·  from an assembly of identical dot, line, or like type elements, e.g. by simultaneous action of all elements
 B41J 3/12
·  ·  ·  each character being formed by successive columns or rows of dots
 B41J 3/14
·  by direct application of fluid pressure at selected points of pressure-sensitive record material
 B41J 3/16
·  for electrographic printing, e.g. electromagnetic printing
 B41J 3/18
·  ·  for electrostatic printing
 B41J 3/20
·  for inkless, chemical-reaction, heat-sensitive, or like printing (electrographic printing B41J 3/16, B41J 3/18«, B 41 J 3/52» take precedence)
 B41J 3/22
·  for screen printing (screen printers B41F 15/00)
 B41J 3/24
·  for perforating or stencil cutting using special types or dies
 B41J 3/26
·  for stenographic writing
 B41J 3/28
·  for printing downwardly on flat surfaces, e.g. of books, drawings, boxes
 B41J 3/30
·  for printing with large type, e.g. on bulletins, tickets
 B41J 3/32
·  for printing in Braille or with keyboards specially adapted for use by blind persons
 B41J 3/34
·  for printing musical scores
 B41J 3/36
·  Portable typewriters, e.g. pocket or folding typewriters
 B41J 3/38
·  for embossing, e.g. for making matrices for stereotypes
 B41J 3/40
·  ·  for embossing sheet metals
 B41J 3/42
·  Two or more complete typewriters coupled for simultaneous operation
 B41J 3/44
·  Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions (printing mechanisms coupled to typographical composing machines B41B 27/41)
 B41J 3/46
·  ·  Printing mechanisms combined with apparatus providing a visual indication of the type selected
 B41J 3/50
·  ·  Type-printing mechanisms producing also a record by other means
 B41J 3/51
·  ·  ·  the type and the recorded information being identical
 B41J 3/512
·  ·  ·  ·  with printed or embossed recording
 B41J 3/514
·  ·  ·  ·  with punched recording
 B41J 3/516
·  ·  ·  ·  with magnetic or electrostatic recording
 B41J 3/53
·  ·  ·  the type and the recorded information not being identical, i.e. with arrangements for programming
 B41J 3/532
·  ·  ·  ·  only part of the typed information being recorded
 B41J 3/534
·  ·  ·  ·  the recorded information containing additional information, e.g. selection codes
 B41J 3/54
·  with two or more sets of type
 B41J 3/56
·  ·  for printing like matter on separate sheets or strips
 B41J 3/58
·  ·  for printing unlike matter on the same sheet or strip
 B41J 5/00 - 
B41J 29/00
Common details or accessories
 B41J 5/00
Devices or arrangements for controlling character selection (interpreting G06K 3/00; methods or arrangements for sensing record carriers G06K 7/00)
 B41J 5/02
·  Character or syllable selected by setting an index
 B41J 5/04
·  ·  Single-character selection
 B41J 5/06
·  ·  Multiple-character selection
 B41J 5/08
·  Character or syllable selected by means of keys or keyboards of the typewriter type
 B41J 5/10
·  ·  Arrangements of keyboards
 B41J 5/12
·  ·  Construction of key buttons
 B41J 5/14
·  ·  Construction of key levers
 B41J 5/16
·  ·  Mounting or connecting key buttons on or to key levers
 B41J 5/18
·  ·  Locks
 B41J 5/20
·  ·  ·  for subsidiary keys, e.g. for shift keys
 B41J 5/22
·  ·  ·  Interlocks between keys, e.g. without detent arrangements
 B41J 5/24
·  ·  ·  ·  with detent arrangements
 B41J 5/26
·  ·  Regulating touch, key dip or stroke, or the like
 B41J 5/28
·  ·  Multiple-action keys, e.g. keys depressed by two or more amounts or movable in two or more directions to effect different functions or selections
 B41J 5/30
·  Character or syllable selection controlled by recorded information
 B41J 5/31
·  ·  characterised by form of recorded information
 B41J 5/32
·  ·  ·  by printed, embossed, or photographic records, e.g. cards, sheets
 B41J 5/34
·  ·  ·  ·  by strips or tapes
 B41J 5/36
·  ·  ·  by punched records, e.g. cards, sheets
 B41J 5/38
·  ·  ·  ·  by strips or tapes
 B41J 5/40
·  ·  ·  by magnetic or electrostatic records, e.g. cards, sheets
 B41J 5/42
·  ·  ·  ·  by strips or tapes
 B41J 5/44
·  ·  characterised by storage of recorded information
 B41J 5/46
·  ·  ·  on internal storages
 B41J 5/48
·  ·  ·  external storages
 B41J 5/50
·  ·  ·  ·  on a single storage
 B41J 5/52
·  ·  characterised by the provision of additional devices for producing a punched or like record, e.g. simultaneously
 B41J 7/00
Type-selecting actions or mechanisms (index setting B41J 5/02)
 B41J 7/02
·  Lever actions
 B41J 7/04
·  ·  Levers mounted on fixed pivots
 B41J 7/06
·  ·  ·  and connected to transmission members, e.g. toothed gearing
 B41J 7/08
·  ·  ·  ·  with pin-and-slot or like loose connections; Cam-slot members
 B41J 7/10
·  ·  ·  ·  Chain, belt, flexible-cable, or like members
 B41J 7/12
·  ·  ·  U-shaped type-lever on two pivots
 B41J 7/14
·  ·  ·  Single key-and-type lever
 B41J 7/16
·  ·  ·  Type-head pivoted to, or rotating on, lever
 B41J 7/18
·  ·  Levers having moving or variable fulcra to alter the mechanical advantage during the stroke
 B41J 7/20
·  ·  Levers having moving pivots fixed relative to the lever; Type-bars each pivoted on two links
 B41J 7/22
·  ·  Type-baskets; Bearings or hangers for type-levers
 B41J 7/24
·  ·  Construction of type-levers (U-shaped levers B41J 7/12)
 B41J 7/26
·  ·  Special means, e.g. repulsers, for ensuring return of type-levers
 B41J 7/28
·  ·  Key-lever and type-member returned independently to rest position
 B41J 7/30
·  ·  Preventing rebound or clash of levers or type-members
 B41J 7/32
·  Type-face selected by operation of sliding members
 B41J 7/34
·  Type-face selected by operation of rotary members
 B41J 7/36
·  Selecting arrangements applied to type-carriers rotating during impression
 B41J 7/38
·  ·  Type movable on carrier for selection
 B41J 7/40
·  ·  Type movable on carrier for impression
 B41J 7/42
·  ·  Timed impression, e.g. without impact
 B41J 7/44
·  ·  ·  with impact
 B41J 7/46
·  ·  Rolling contact during impression
 B41J 7/48
·  Type-carrier arrested in selected position by electromagnetic means
 B41J 7/50
·  Type-face selected by combinations of two movements of type-carrier
 B41J 7/52
·  ·  by combined rotary and sliding movement
 B41J 7/54
·  Selecting arrangements including combination, permutation, summation, or aggregation means
 B41J 7/56
·  ·  Summation devices for mechanical movements
 B41J 7/58
·  ·  ·  Wedges
 B41J 7/60
·  ·  ·  Levers
 B41J 7/62
·  ·  ·  Gearing
 B41J 7/64
·  ·  ·  Pulley-and-strand mechanism
 B41J 7/66
·  ·  Movable members, e.g. pins, displaceable according to a code
 B41J 7/68
·  ·  with means for selectively closing an electric circuit for type presentation
 B41J 7/70
·  for printing mechanisms in which each character is formed by the selection and impression of a plurality of separate type-elements
 B41J 7/72
·  ·  Selection of elements
 B41J 7/74
·  ·  ·  by mechanical means
 B41J 7/76
·  ·  ·  by electromagnetic means
 B41J 7/78
·  ·  ·  by fluid-pressure means
 B41J 7/80
·  ·  Impression of elements
 B41J 7/82
·  ·  ·  by mechanical means
 B41J 7/84
·  ·  ·  by electromagnetic means
 B41J 7/86
·  ·  ·  by fluid-pressure means
 B41J 7/88
·  ·  ·  by electro-adhesive or electrostatic pulley
 B41J 7/90
·  Syllable, line, or like type selection
 B41J 7/92
·  Impact adjustment; Means to give uniformity of impression
 B41J 7/94
·  ·  Character-by-character adjustment
 B41J 7/96
·  Means for checking correctness of setting
 B41J 9/00
Hammer-impression mechanisms
 B41J 9/02
·  Hammers; Arrangements thereof
 B41J 9/04
·  ·  of single hammers, e.g. travelling along printing line
 B41J 9/06
·  ·  ·  of stationary hammers, e.g. engaging a single type-carrier
 B41J 9/08
·  ·  ·  ·  engaging more than one type-carrier
 B41J 9/10
·  ·  of more than one hammer, e.g. one for each character position
 B41J 9/12
·  ·  ·  each operating in more than one character position
 B41J 9/14
·  Means for selecting or suppressing individual hammers
 B41J 9/16
·  Means for cocking or resetting hammers
 B41J 9/18
·  ·  Cams
 B41J 9/20
·  ·  Springs
 B41J 9/22
·  ·  Fluid-pressure means
 B41J 9/24
·  ·  Electromagnetic means
 B41J 9/26
·  Means for operating hammers to effect impression
 B41J 9/28
·  ·  Cams
 B41J 9/30
·  ·  Springs
 B41J 9/32
·  ·  arranged to be clutched to snatch roll
 B41J 9/34
·  ·  Fluid-pressure means
 B41J 9/36
·  ·  in which mechanical power is applied under electromagnetic control
 B41J 9/38
·  ·  Electromagnetic means
 B41J 9/40
·  ·  including an electro-adhesive clutch
 B41J 9/42
·  with anti-rebound arrangements
 B41J 11/00
Devices or arrangements for supporting or handling copy material in sheet or web form (specially adapted for supporting or handling copy material in short lengths B41J 13/00, in continuous form B41J 15/00; holders for text to be copied B41J 29/00)
 B41J 11/02
·  Platens
 B41J 11/04
·  ·  Roller platens
 B41J 11/05
·  ·  ·  with sound-deadening devices
 B41J 11/06
·  ·  Flat page-size platens
 B41J 11/08
·  ·  Bar or like line-size platens
 B41J 11/10
·  ·  Anvil or like character-size platens
 B41J 11/12
·  ·  Backings or blankets
 B41J 11/14
·  ·  Platen-shift mechanisms; Driving gear therefor
 B41J 11/16
·  ·  with balancing means
 B41J 11/18
·  Platen-impression arrangements
 B41J 11/20
·  Platen adjustments for varying the strength of impression, for varying number of sheets, for wear or for alignment
 B41J 11/22
·  Paper-carriage guides or races
 B41J 11/24
·  Detents, brakes, or couplings for feed rollers or platens
 B41J 11/26
·  Pin feeds
 B41J 11/27
·  ·  on or within the platen-rollers
 B41J 11/28
·  ·  Pin wheels
 B41J 11/30
·  ·  Pin traction elements other than wheels, e.g. pins on endless bands
 B41J 11/32
·  ·  Adjustment of pin wheels or traction elements, e.g. laterally
 B41J 11/34
·  ·  Guides coacting with pin feeds
 B41J 11/36
·  Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
 B41J 11/38
·  ·  Manually-operated feeding devices
 B41J 11/40
·  ·  specially adapted for printing musical scores
 B41J 11/42
·  ·  Controlling
 B41J 11/44
·  ·  ·  by devices, e.g. programme tape or contact wheel, moved in correspondence with movement of paper-feeding devices, e.g. platen rotation
 B41J 11/46
·  ·  ·  by marks or formations on the paper being fed
 B41J 11/48
·  Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers
 B41J 11/50
·  ·  in which two or more papers or sets are separately fed in the same direction towards the printing position
 B41J 11/52
·  ·  in which one paper or set is moved transversely relative to another
 B41J 11/53
·  ·  ·  Devices for holding in place one paper or set during replacement of one or more of the auxiliary papers or sets
 B41J 11/54
·  ·  in which one paper or set is fed towards printing position from the front of the apparatus
 B41J 11/56
·  specially constructed to facilitate storage or transport of typewriter
 B41J 11/58
·  Supply holders for sheets or fan-folded webs, e.g. shelves, tables, scrolls, pile holders
 B41J 11/60
·  Erasing or correcting tables
 B41J 11/62
·  Shields or masks
 B41J 11/64
·  Applications of scales or indicators
 B41J 11/66
·  Applications of cutting devices
 B41J 11/68
·  ·  cutting parallel to the direction of paper feed
 B41J 11/70
·  ·  cutting perpendicular to the direction of paper feed
 B41J 13/00
Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets
 B41J 13/02
·  Feed rollers
 B41J 13/03
·  ·  driven
 B41J 13/06
·  ·  ·  and arranged in more than one set, e.g. on individual swivel arms
 B41J 13/072
·  ·  ·  and arranged on a common carrier
 B41J 13/074
·  ·  ·  ·  on the paper apron concentric with the roller platen
 B41J 13/076
·  ·  Construction of feed rollers; Bearings therefor
 B41J 13/08
·  Bands or like feeding devices
 B41J 13/10
·  Sheet holders, retainers, or stationary guides
 B41J 13/12
·  ·  specially adapted for cards, envelopes, or the like
 B41J 13/14
·  ·  Aprons or guides
 B41J 13/16
·  ·  ·  movable for insertion or release of sheets
 B41J 13/18
·  ·  ·  concentric with roller platen
 B41J 13/20
·  ·  Bails
 B41J 13/22
·  ·  Clamps or grippers
 B41J 13/24
·  ·  Strips for supporting or holding papers
 B41J 13/26
·  Registering devices
 B41J 13/28
·  ·  Front lays, stops, or gauges
 B41J 13/30
·  ·  Side lays or gauges
 B41J 13/32
·  ·  Means for positioning sheets in two directions under one control, e.g. for format control or orthogonal sheet positioning
 B41J 15/00
Devices or arrangements specially adapted for supporting or handling copy material in continuous form, e.g. webs
 B41J 15/02
·  Web rolls or spindles; Attaching webs to cores or spindles
 B41J 15/04
·  Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
 B41J 15/06
·  ·  characterised by being applied to printers having stationary carriages
 B41J 15/08
·  ·  characterised by being applied to printers having transversely-moving carriages
 B41J 15/10
·  ·  ·  and mounted on the carriage
 B41J 15/12
·  ·  ·  and coupled to the carriage
 B41J 15/14
·  ·  ·  and detached from the carriage
 B41J 15/16
·  Means for tensioning or winding the web
 B41J 15/18
·  Multiple-web feeding apparatus
 B41J 15/20
·  ·  for webs superimposed during printing
 B41J 15/22
·  ·  for feeding webs in separate paths during printing
 B41J 15/24
·  ·  with means for registering the webs with each other
 B41J 17/00
Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper (in manifolding devices B41L)
 B41J 17/02
·  Feeding mechanisms
 B41J 17/04
·  ·  Feed dependent on the record-paper feed, e.g. both moved at the same time
 B41J 17/06
·  ·  ·  "Creep" feed, i.e. impression-transfer material fed slower than the record paper
 B41J 17/07
·  ·  ·  electromagnetically controlled
 B41J 17/08
·  ·  Feed independent of the record-paper feed
 B41J 17/10
·  ·  ·  electromagnetically controlled
 B41J 17/12
·  ·  Special adaptations for ensuring maximum life
 B41J 17/14
·  ·  Automatic arrangements for reversing the feed direction
 B41J 17/16
·  Holders in the machine for sheets of impression-transfer material
 B41J 17/18
·  ·  pivotable to and from the platen
 B41J 17/20
·  ·  slidable to and from the platen
 B41J 17/22
·  Supply arrangements for webs or impression-transfer material
 B41J 17/24
·  ·  Webs supplied from reels or spools attached to the machine
 B41J 17/26
·  ·  Webs supplied from trays or like supports attached to the machines
 B41J 17/28
·  Arrangements of guides for the impression-transfer material
 B41J 17/30
·  Constructions of guides for the impression-transfer material
 B41J 17/32
·  Detachable carriers or holders for impression-transfer material mechanism
 B41J 17/34
·  Backings for impression-transfer material, e.g. sheets for reducing friction, shields for preventing imprint
 B41J 17/36
·  Alarms, indicators, or feed-disabling devices responsible to material breakage or exhaustion
 B41J 17/38
·  for dealing with the impression-transfer material after use
 B41J 17/40
·  ·  for retracting sheets for re-use
 B41J 17/42
·  ·  for webs
 B41J 19/00
Character- or line-spacing mechanisms (key actions B41J 25/02)
 B41J 19/02
·  with retarding devices, e.g. brakes
 B41J 19/04
·  Sound-deadening or shock-absorbing devices or measures therein (B41J 19/38 takes precedence)
 B41J 19/06
·  ·  Resilient mounting of mechanism
 B41J 19/08
·  ·  Buffers, springs, or like carriage stops
 B41J 19/10
·  ·  Dash-pots
 B41J 19/12
·  ·  Gearing made of special material or specially constructed to reduce sound or shock
 B41J 19/14
·  with means for effecting line or character spacing in either direction
 B41J 19/16
·  Special spacing mechanisms for circular, spiral, or diagonal-printing apparatus
 B41J 19/18
·  Character-spacing or back-spacing mechanisms; Carriage-return or release devices therefor
 B41J 19/20
·  ·  Positive-feed character-spacing mechanisms (controlled by escapements B41J 19/52)
 B41J 19/22
·  ·  ·  acting by friction or gripping effect
 B41J 19/24
·  ·  ·  Pawl and ratchet
 B41J 19/26
·  ·  ·  ·  moving a paper or like carriage
 B41J 19/28
·  ·  ·  ·  moving a paper or like web or strip, e.g. over a stationary support
 B41J 19/30
·  ·  ·  Electromagnetically-operated mechanisms
 B41J 19/32
·  ·  ·  Differential or variable-spacing arrangements
 B41J 19/34
·  ·  Escapement-feed character-spacing mechanisms
 B41J 19/36
·  ·  ·  Driving mechanisms, e.g. springs stressed during carriage return
 B41J 19/38
·  ·  ·  ·  adapted for silent return
 B41J 19/40
·  ·  ·  Escapements having a single pawl or like detent
 B41J 19/42
·  ·  ·  Escapements having two pawls or like detents
 B41J 19/44
·  ·  ·  ·  coacting with two toothed members, e.g. racks or wheels
 B41J 19/46
·  ·  ·  ·  and mounted on a single rocker
 B41J 19/48
·  ·  ·  ·  and mounted on a single slider
 B41J 19/50
·  ·  ·  Electromagnetically-controlled escapements
 B41J 19/52
·  ·  ·  Escapements controlling positive-feed mechanism
 B41J 19/54
·  ·  ·  Construction of universal bars
 B41J 19/56
·  ·  ·  Escapements controlling web or strip feed
 B41J 19/58
·  ·  ·  Differential or variable-spacing arrangements
 B41J 19/60
·  ·  Auxiliary feed or adjustment devices
 B41J 19/62
·  ·  ·  for back-spacing
 B41J 19/64
·  ·  ·  for justifying
 B41J 19/66
·  ·  Carriage-release mechanisms
 B41J 19/68
·  ·  Carriage-return mechanisms, e.g. manually actuated
 B41J 19/70
·  ·  ·  power driven
 B41J 19/72
·  ·  ·  ·  with power stored during character spacing
 B41J 19/74
·  ·  with special means to maintain character-spacing or back-spacing elements in engagement during case-shift or like movement
 B41J 19/76
·  Line-spacing mechanisms (special line-feeds, e.g. long feeds, B41J 11/36)
 B41J 19/78
·  ·  Positive-feed mechanisms
 B41J 19/80
·  ·  ·  Pawl-and-ratchet mechanisms
 B41J 19/82
·  ·  ·  ·  moving a paper or like carriage
 B41J 19/84
·  ·  ·  ·  ·  in the form of a roller rotated for line spacing
 B41J 19/86
·  ·  ·  ·  ·  ·  the pawl being normally in engagement with the ratchet
 B41J 19/88
·  ·  ·  ·  moving a type carriage
 B41J 19/90
·  ·  ·  ·  moving a paper or like web or strip, e.g. over a stationary support, automatically in response to movements other than carriage return
 B41J 19/92
·  ·  ·  Electromagnetically-operated mechanisms
 B41J 19/94
·  ·  ·  automatically operated in response to carriage return
 B41J 19/96
·  ·  ·  Variable-spacing arrangements
 B41J 19/98
·  ·  Escapement-feed mechanisms
 B41J 21/00
Column, tabular, or like printing arrangements; Means for centralising short lines (carriage-release mechanisms B41J 19/66; key actions B41J 25/18)
 B41J 21/02
·  Stops or stop-racks
 B41J 21/04
·  Mechanisms for setting or restoring tabulation stops
 B41J 21/06
·  with means for preventing rebound from stops
 B41J 21/08
·  Mechanisms for initiating, effecting, skipping, or stopping tabulation movement; Means for centralising short lines
 B41J 21/10
·  with central, counter, or equivalent stop projected into path of tabulation stops
 B41J 21/12
·  characterised by arrangements of electrical contacts
 B41J 21/14
·  characterised by denominational arrangements
 B41J 21/16
·  controlled by the sensing of marks or formations on the paper being typed, an undersheet, or the platen
 B41J 21/18
·  characterised by applications of scales or indicators
 B41J 23/00
Power drives for actions or mechanisms (B41J 7/70, B41J 9/00 take precedence)
 B41J 23/02
·  Mechanical power drives
 B41J 23/04
·  ·  with driven mechanism arranged to be clutched to continuously-operating power source
 B41J 23/06
·  ·  ·  by snatch rolls
 B41J 23/08
·  ·  ·  by one-revolution or part-revolution clutches
 B41J 23/10
·  ·  ·  and arrested in selected position
 B41J 23/12
·  ·  Mechanism driven by cams engaging rotating roller
 B41J 23/14
·  ·  Mechanism driven through an oscillating or reciprocating member
 B41J 23/16
·  ·  Mechanism driven by a spring tensioned by power means
 B41J 23/18
·  ·  Continuously-cycling drives
 B41J 23/20
·  Fluid-pressure power drives
 B41J 23/22
·  ·  for key or like type selection
 B41J 23/24
·  ·  for impression mechanisms
 B41J 23/26
·  ·  for platen or carriage movements, e.g. for line spacing, letter spacing, or carriage return
 B41J 23/28
·  ·  for type-carriage movements
 B41J 23/30
·  ·  for case shift
 B41J 23/32
·  Electromagnetic power drives, e.g. applied to key levers
 B41J 23/34
·  ·  applied to elements other than key levers
 B41J 23/36
·  ·  ·  and acting on type members
 B41J 23/38
·  ·  ·  and acting on aligning or case-shift mechanisms
 B41J 25/00
Actions or mechanisms not otherwise provided for; Associated equipment
 B41J 25/02
·  Key actions for specified purposes
 B41J 25/04
·  ·  Back-spacing
 B41J 25/06
·  ·  Carriage return
 B41J 25/08
·  ·  Case shift
 B41J 25/10
·  ·  Ink-ribbon adjustment
 B41J 25/12
·  ·  Character spacing
 B41J 25/14
·  ·  Line spacing
 B41J 25/16
·  ·  Line spacing and carriage return by a single key
 B41J 25/18
·  ·  Tabulating
 B41J 25/20
·  Auxiliary type mechanisms for printing distinguishing marks, e.g. for accenting, using dead or half-dead key arrangements, for printing marks in telegraph printers to indicate that machine is receiving
 B41J 25/22
·  for aligning characters for impression (in machines using index setting B41J 5/02)
 B41J 25/24
·  Case-shift mechanisms (B41J 11/14 takes precedence; key actions B41J 25/08); Fount-change arrangements
 B41J 25/26
·  Dust excluders, shields, covers, or the like
 B41J 25/28
·  Bodily-movable type-heads or carriages
 B41J 25/30
·  ·  Single heads or carriages
 B41J 25/32
·  Impression mechanisms in which a roller co-operates with stationary type-faces
 B41J 27/00
Inking apparatus
 B41J 27/02
·  with ink applied by pads or rotary discs
 B41J 27/04
·  ·  Pads or discs; Ink-supply arrangements therefor
 B41J 27/06
·  ·  Arrangements to ensure maximum life of pads or discs
 B41J 27/08
·  ·  Arrangements for multicolour work
 B41J 27/10
·  with ink applied by rollers; Ink-supply arrangements therefor
 B41J 27/12
·  ·  Rollers
 B41J 27/14
·  ·  Arrangements for multicolour work
 B41J 27/16
·  with ink deposited electrostatically or electromagnetically, e.g. powdered ink
 B41J 27/18
·  ·  with liquid ink deposited
 B41J 27/20
·  with ink supplied by capillary action, e.g. through porous type-members, through porous platens
 B41J 27/22
·  with inking discs or sectors
 B41J 29/00
Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
 B41J 29/02
·  Framework
 B41J 29/04
·  Means for attaching machines to baseboards
 B41J 29/06
·  Special supports, platforms, or trolleys for supporting machines on tables
 B41J 29/08
·  Sound-deadening or shock-absorbing stands, supports, cases, or pads separate from machines
 B41J 29/10
·  Sound-deadening devices embodied in machines (B41J 19/04 takes prededence)
 B41J 29/12
·  Guards for machines
 B41J 29/14
·  Attachments operated by the leg, e.g. the foot or knee
 B41J 29/16
·  Auxiliary receptacles for articles, e.g. erasers, pencils
 B41J 29/18
·  Reflectors or illuminating devices for rendering the print visible to the operator
 B41J 29/20
·  Applications of counting devices
 B41J 29/22
·  ·  Line counters
 B41J 29/24
·  ·  Word counters
 B41J 29/26
·  Means for cancelling, underscoring, or ruling
 B41J 29/28
·  ·  Writing or like instruments in holders or guides
 B41J 29/30
·  ·  Wheels
 B41J 29/32
·  ·  Type-members
 B41J 29/34
·  ·  ·  repeatedly actuated
 B41J 29/36
·  ·  for cancelling by over-printing with material which is the colour of the paper
 B41J 29/38
·  Drives, motors, controls, or automatic cut-off devices for the entire printing mechanism
 B41J 29/40
·  Means for printing fixed, i.e. unchanging, matter in addition to selectable matter
 B41J 29/42
·  Scales and indicators, e.g. for determining side margins
 B41J 29/44
·  ·  for determining top and bottom margins or indicating exhaust of paper
 B41J 29/46
·  Applications of alarms, e.g. responsive to approach of end of line (responsive to transfer-material breakage or exhaustion B41J 17/36, B41J 35/36)
 B41J 29/48
·  ·  responsive to breakage or exhaustion of paper or approach of bottom of paper
 B41J 29/50
·  Side-stop mechanisms
 B41J 29/52
·  Top-and-bottom stop mechanisms
 B41J 29/54
·  Locking devices applied to printing mechanisms
 B41J 29/56
·  ·  and manually actuated
 B41J 29/58
·  ·  and automatically actuated
 B41J 29/60
·  ·  ·  in response to failure of power supply
 B41J 29/62
·  ·  ·  by the absence of paper to lock hammer mechanism
 B41J 29/64
·  ·  ·  by a function of the printer to lock the keyboard
 B41J 29/66
·  ·  ·  ·  Locking devices actuated when platen reaches the end of a line
 B41J 29/68
·  ·  ·  by completion of a page or predetermined number of lines or exhaustion of paper to lock the keyboard
 B41J 29/70
·  ·  ·  Interlocks between any two carriage-moving mechanisms, e.g. character-space, back-space, tabulation, carriage-return, or carriage-release mechanisms
 B41J 31/00 - 
B41J 35/00
Ink ribbons; Ink-ribbon mechanisms
 B41J 31/00
Ink ribbons (spools for ink ribbons B65H 75/00; coated or treated non-woven strips or sheets used as ink ribbons D21H); Testing or renovating or ink ribbons
 B41J 31/02
·  Ink ribbons characterised by the material from which they are woven
 B41J 31/04
·  ·  woven from synthetic material
 B41J 31/05
·  Ink ribbons having coatings other than impression-material coatings
 B41J 31/06
·  ·  the coatings being directly on the base material, i.e. below impression-transfer material; Ink ribbons having base material impregnated with material other than impression material
 B41J 31/08
·  ·  the coatings being superimposed on impression-transfer material
 B41J 31/10
·  Ink ribbons having arrangements to facilitate threading through a machine
 B41J 31/12
·  Ink ribbons having arrangements to prevent undesired contact between the impression-transfer material and machine parts or other articles
 B41J 31/14
·  Renovating or testing ink ribbons
 B41J 31/16
·  ·  while fitted in the machine using the ink ribbons
 B41J 33/00
Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
 B41J 33/02
·  Ribbon arrangements
 B41J 33/04
·  ·  mounted on moving carriages
 B41J 33/06
·  ·  Ribbons associated, but not moving, with typewriter platens, e.g. extending transversely to the length of the platen
 B41J 33/08
·  ·  ·  and extending parallel to the length of the platen
 B41J 33/10
·  ·  Arrangements of endless ribbons
 B41J 33/12
·  ·  Ribbons carried by coaxially-mounted spools
 B41J 33/14
·  Ribbon-feed devices or mechanisms
 B41J 33/16
·  ·  with drive applied to spool or spool spindle
 B41J 33/18
·  ·  ·  by ratchet mechanism (B41J 33/30 takes precedence)
 B41J 33/20
·  ·  ·  by friction
 B41J 33/22
·  ·  ·  by gears or pulleys
 B41J 33/24
·  ·  with drive applied directly to ribbon
 B41J 33/26
·  ·  ·  by rollers engaging the ribbon
 B41J 33/28
·  ·  ·  by mechanism pulling or gripping the ribbon
 B41J 33/30
·  ·  Escapement mechanisms
 B41J 33/32
·  ·  Electromagnetic devices
 B41J 33/34
·  ·  driven by motors independently of the machine as a whole
 B41J 33/36
·  ·  with means for adjusting feeding rate
 B41J 33/38
·  ·  Slow, e.g. "creep", feed mechanisms
 B41J 33/382
·  ·  ·  the ribbon being fed only during carriage return
 B41J 33/384
·  ·  ·  ·  and attached to the carriage during writing
 B41J 33/386
·  ·  ·  the ribbon being fed only by operation of the line-spacing mechanism
 B41J 33/388
·  ·  ·  the ribbon being fed only when type impression takes place
 B41J 33/40
·  ·  with arrangements for reversing the feed direction
 B41J 33/42
·  ·  ·  manually
 B41J 33/44
·  ·  ·  automatically
 B41J 33/46
·  ·  ·  ·  and characterised by its application to mechanism in which two spools are driven by pawl-and-ratchet mechanism
 B41J 33/48
·  ·  ·  ·  ·  comprising two pawls and ratchets, one for each spool
 B41J 33/50
·  ·  ·  ·  ·  comprising a single pawl or integral double-tooth pawl selectively engageable with two ratchets, one for each spool
 B41J 33/51
·  ·  ·  ·  and characterised by the use of particular reversing control means
 B41J 33/512
·  ·  ·  ·  ·  using a pivoted reversing-feeler engaging the external periphery of the wound ribbon
 B41J 33/514
·  ·  ·  ·  ·  using a pivoted reversing-feeler engaging the interior of the wound ribbon
 B41J 33/516
·  ·  ·  ·  ·  using a reversing-feeler responsive to the tension of the ribbon
 B41J 33/518
·  ·  ·  ·  ·  the reversing-feeler engaging buttons or the like secured to the ribbon near its ends
 B41J 33/52
·  ·  Braking devices therefor (in general F16D)
 B41J 33/54
·  ·  for ensuring maximum life of the ribbon (B41J 33/38 takes precedence; by adjustment of vibrator mechanisms B41J 35/14)
 B41J 33/56
·  ·  ·  Ribbon adjusted transversely
 B41J 33/58
·  ·  ·  Ribbon fed angularly
 B41J 33/60
·  ·  responsive to telegraph code or other extraneous signals
 B41J 35/00
Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
 B41J 35/02
·  Frames or holders for unwound short lengths of ink ribbons
 B41J 35/03
·  ·  the holder being movable to inoperative position, e.g. by swinging upwardly
 B41J 35/04
·  Ink-ribbon guides
 B41J 35/06
·  ·  stationary
 B41J 35/08
·  ·  with tensioning arrangements
 B41J 35/10
·  ·  Vibrator mechanisms; Driving gear therefor
 B41J 35/12
·  ·  ·  adjustable, e.g. for case shift (key actions B41J 25/02)
 B41J 35/14
·  ·  ·  ·  for multicolour work; for ensuring maximum life of ink ribbon; for rendering ink ribbon inoperative
 B41J 35/16
·  Multicolour arrangements (B41J 35/10 takes precedence)
 B41J 35/18
·  ·  Colour change effected automatically
 B41J 35/20
·  Ink-ribbon shifts, e.g. for exposing print, for case-shift adjustment, for rendering ink ribbon inoperative
 B41J 35/22
·  Mechanisms permitting the selective use of a plurality of ink ribbons
 B41J 35/23
·  ·  with two or more ribbon guides
 B41J 35/24
·  Mechanisms specially adapted for feeding impression-transfer materials of foil form
 B41J 35/26
·  Ink-ribbon shields or backings
 B41J 35/28
·  Detachable carriers or holders for ink-ribbon mechanisms
 B41J 35/30
·  Manifolding or like arrangements
 B41J 35/32
·  ·  for producing a plurality of copies along the printing line by a single ink ribbon
 B41J 35/34
·  ·  using a plurality of separate ink ribbons, e.g. including one hectographic ink ribbon
 B41J 35/35
·  ·  using unwound short lengths of ink ribbons
 B41J 35/36
·  Alarms, indicators, or feed-disabling devices responsive to ink-ribbon breakage or exhaustion
 B41J 35/38
·  Feeding the ink ribbon to waste after use