|  | 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 Fulltext... Hierarchy... Expanded...B41B; printing on special surfaces Fulltext... Hierarchy... Expanded...B41F; laundry marking Fulltext... Hierarchy... Expanded...B41K; recognition or presentation of data, marking record carriers Fulltext... Hierarchy... Expanded...G06K; franking or ticket-printing and issuing apparatus Fulltext... Hierarchy... Expanded...G07B; receivers or transmitters for telegraphic communication Fulltext... Hierarchy... Expanded...H04L; printing characters point-by-point by signals derived from point-by-point analysis of original characters, pictorial communication Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B41J 3/16, Fulltext... Hierarchy... Expanded...B41J 3/18«, B 41 J 3/52» take precedence)

|  | B41J 3/22 |
· | for screen printing (screen printers Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...G06K 3/00; methods or arrangements for sensing record carriers Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B41J 13/00, in continuous form Fulltext... Hierarchy... Expanded...B41J 15/00; holders for text to be copied Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B41J 25/02)

|  | B41J 19/02 |
· | with retarding devices, e.g. brakes

|  | B41J 19/04 |
· | Sound-deadening or shock-absorbing devices or measures therein (Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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, Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B41J 19/66; key actions Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...B41J 7/70, Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B41J 5/02)

|  | B41J 25/24 |
· | Case-shift mechanisms (Fulltext... Hierarchy... Expanded...B41J 11/14 takes precedence; key actions Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B41J 17/36, Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B65H 75/00; coated or treated non-woven strips or sheets used as ink ribbons Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...F16D)

|  | B41J 33/54 |
· · | for ensuring maximum life of the ribbon (Fulltext... Hierarchy... Expanded...B41J 33/38 takes precedence; by adjustment of vibrator mechanisms Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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