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 Class   400TYPEWRITING MACHINES
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  1           INCLUDING JUSTIFICATION OR QUADDING OF PRINT-LINE
  2           . (1 indent ) Including quadding of print-line
  3           . (1 indent ) By programmed-control-system
  4           .. (2 indent ) On auxiliary-record-program (e.g., tape, card, etc.)
  5           ... (3 indent ) Magnetic record
  6           ... (3 indent ) With error-correcting storage register
  7           ... (3 indent ) Including artificial or end-of-line hyphen
  8           . (1 indent ) By using "no-print" device
  9           . (1 indent ) By interword or intercharacter spacing
  10           .. (2 indent ) Variable carriage-feed mechanism
  11           .. (2 indent ) Carriage slidable relative to its carriage-rack
  12           .. (2 indent ) By interword spacing only
  13           ... (3 indent ) Including plural space-bars for different spacings
  14           . (1 indent ) By typing line on stretchable medium
  15           . (1 indent ) Including justification indicator
  16           FOR TYPING OR FORMING CONTINUOUS OR DISCONTINUOUS LINE (E.G., BY "LINER")
  17           . (1 indent ) Including programmed-control-system
  18           . (1 indent ) By scriber (e.g., pen, pencil, etc.) or with scriber guide
  19           .. (2 indent ) For writing in script
  20           .. (2 indent ) Rotatable disc scriber
  21           . (1 indent ) Responsive to carriage movement
  22           . (1 indent ) Underscoring concurrently with character imprinting
  23           FOR TYPING ON FLAT RECORD-MEDIUM OR AGAINST FLAT PLATEN
  24           . (1 indent ) For typing on a book
  25           .. (2 indent ) Including a type-head (e.g., cylinder, disc, etc.)
  26           .. (2 indent ) Against cylindrical backing
  27           .. (2 indent ) Including adjustment of typewriter relative to book (e.g., to compensate for book thickness)
  28           .. (2 indent ) Including adjustment of book support relative to typewriter (e.g., for top or bottom of book, etc.)
  29           . (1 indent ) For typing on flat blueprint or drawing (e.g., "platenless" typewriter)
  30           . (1 indent ) For typing on carton or package
  31           . (1 indent ) By multidirectional movement of typewriter structure (e.g., "Elliot-Fisher" structure)
  32           . (1 indent ) Bottom-strike typewriter including type-bar action or bar platen or anvil platen
  33           . (1 indent ) Top-strike typewriter including pivoted type-bar
  34           . (1 indent ) Including carriage-return mechanism
  35           . (1 indent ) Including case-shift by shifting platen
  36           . (1 indent ) Including ribbon-feed mechanism
  37           . (1 indent ) For typing on manifold set (e.g., with type-die, etc.)
  38           .. (2 indent ) Including feeding of wide carbon paper transverse to feed of record-medium
  39           .. (2 indent ) Including spool for roll of carbon paper
  40           .. (2 indent ) Including clamp or guide for carbon paper
  41           .. (2 indent ) Including adjustment of platen perpendicular to its surface
  42           .. (2 indent ) Including aligning and feeding manifold set
  43           . (1 indent ) Including feed of tally strip
  44           . (1 indent ) Including line-spacing mechanism
  45           .. (2 indent ) Platen shifted for line-spacing
  46           .. (2 indent ) Including adjustment of line-space distance or increment
  47           .. (2 indent ) Including disengagement of line-spacing mechanism
  48           . (1 indent ) Work support (e.g, sheet or card holddown or guide, sheet-size platen, etc.)
  49           . (1 indent ) Collating-table attachment
  50           INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER
  51           . (1 indent ) Delay of sequential character rate in programmed-control typewriter
  52           . (1 indent ) Delay by storage of next character to be imprinted
  53           INCLUDING ADJUSTMENT MEANS TO COMPENSATE FOR WEAR
  54           SAFETY SWITCH OR CONDITION-RESPONSIVE-CUTOFF SWITCH FOR ELECTRICALLY POWERED TYPEWRITER
  55           INCLUDING ADJUSTMENT FOR OPTIMUM PRINTING PLANE
  56           . (1 indent ) Responsive to thickness of record-medium
  57           . (1 indent ) In accordance with the number of sheets of record-medium
  58           . (1 indent ) By adjustment of platen relative to carriage
  59           . (1 indent ) By adjustment of carriage (e.g, carriage-guide rollers)
  60           .. (2 indent ) Via adjustment of case-shift linkage
  61           INCLUDING CONTROL OF FORMAT AND SELECTION OF TYPE-FACE BY PROGRAMMED CONTROL-SYSTEM (E.G., INPUT TYPEWRITER)
  62           . (1 indent ) Including means for responding to input program or incoming signals and providing output program or signals representing typing operations (e.g., output typewriter)
  63           . (1 indent ) Including editing or revision system
  64           . (1 indent ) Including right-hand margin control system
  65           . (1 indent ) Including typing of graphical representations
  66           . (1 indent ) Including baseplate attachment with electromagnets for input or output operations
  67           . (1 indent ) Separate interrelated programs
  68           .. (2 indent ) Including message writing (e.g, address program, form-letter program, etc.)
  69           . (1 indent ) Type-face selection via magnetic program tape
  70           INCLUDING SELECTION OF TYPE-FACE BY PROGRAMMED-CONTROL-SYSTEM OR BY REMOTE CONTROL
  71           . (1 indent ) Plural typewriters coupled for simultaneous operation (e.g., "master-slave" relationship)
  72           . (1 indent ) Including character-selection latches (e.g., for type-face selection)
  73           . (1 indent ) Including particular reader structure and operation
  74           . (1 indent ) Including error detection
  75           . (1 indent ) Including type-bar selection using mechanical program
  76           INCLUDING CONTROL OF FORMAT BY PROGRAMMED-CONTROL-SYSTEM
  77           TYPEWRITER CONTROLS OTHER INFORMATION RECORDER
  78           . (1 indent ) Typewriter controls apparatus used for accounting function
  79           .. (2 indent ) And a tape-punch or card-punch apparatus
  80           . (1 indent ) Typewriter (e.g, output typewriter) controls tape-punch or card-punch apparatus
  81           .. (2 indent ) And imprints the character represented by the punched code on the tape or card
  82           INCLUDING PLURAL, INDEPENDENTLY SUPPORTED KEY-BOARDS, PLATENS, OR TYPE-SET ASSEMBLAGES
  83           DISPLAYING TYPEWRITER-FORMED REPRESENTATION OF PRINT-LINE
  84           . (1 indent ) By projecting typed image on screen
  85           .. (2 indent ) Including transparent or transluscent record-medium
  86           OPERATING BY SOUND
  87           FOR OPERATION BY HANDICAPPED USER
  88           POCKET TYPEWRITER
  89           KEY REASSIGNMENT
  90           . (1 indent ) Electrically powered
  91           STENOGRAPHIC TYPEWRITER
  92           . (1 indent ) Using common-letter type-face
  93           .. (2 indent ) Including plural type-faces mounted on carrier and movable for selection of type-face
  94           . (1 indent ) Electrically powered
  95           LOGOTYPE TYPEWRITER (E.G., WORD TYPING)
  96           . (1 indent ) Including date-stamp type-face
  97           . (1 indent ) Including signature type-face
  98           . (1 indent ) Actuation of single key types plural characters
  99           .. (2 indent ) Characters typed simultaneously
  100           PLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD)
  101           . (1 indent ) Having type-faces disposed on pivotable type-bars
  102           . (1 indent ) Having type-faces disposed on rotatable type-head
  103           CODE-PRINTING TYPEWRITER (E.G., FOR PRINTING A PATTERN OR MARK)
  104           . (1 indent ) For typing and encoding
  105           .. (2 indent ) Including magnetic encoding
  106           . (1 indent ) Including coded ink (e.g., phosphorescent or color-coded ink, etc.)
  107           . (1 indent ) For coding by conductive mark
  108           . (1 indent ) For marking laundry
  109           FOREIGN LANGUAGE OR BRAILLE TYPEWRITER
  109.1           . (1 indent ) Braille
  110           . (1 indent ) Including Oriental language
  111           . (1 indent ) Including Semitic language
  112           ANNULAR TYPEWRITER (E.G., FOR TYPING AROUND CIRCUMFERENCE OF PLATEN)
  113           . (1 indent ) Including vertically disposed platen
  114           . (1 indent ) Platen axis horizontal and extending front-to-rear
  115           . (1 indent ) Powered Actuated
  116           MUSIC-ROLL OR MUSICAL-NOTATION TYPEWRITER
  117           . (1 indent ) Musical-notation typewriter
  118.1           TYPING BY HEATED DIE
  118.2           TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE
  118.3           . (1 indent ) Electroconductive transfer
  120.01           . (1 indent ) Thermal
  120.02           .. (2 indent ) Multicolor
  120.03           ... (3 indent ) Having multilayered colored transfer material
  120.04           ... (3 indent ) Having single layer colored transfer material
  120.05           .. (2 indent ) Block driving
  120.06           ... (3 indent ) Sequentially
  120.07           .. (2 indent ) Gradational recording
  120.08           .. (2 indent ) Preheating
  120.09           .. (2 indent ) Density control
  120.1           ... (3 indent ) By number of heated recording elements
  120.11           ... (3 indent ) In accordance with output characteristic of recording elements
  120.12           ... (3 indent ) By voltage regulation
  120.13           ... (3 indent ) By transfer material or record receiver
  120.14           ... (3 indent ) In accordance with temperature of the recording means
  120.15           ... (3 indent ) By history of recording elements
  120.16           .. (2 indent ) Recording means support or actuator
  120.17           ... (3 indent ) Adjustable
  120.18           .. (2 indent ) Pre- or post-image recording treatment
  124.01           . (1 indent ) Character formation by impact (e.g., wire matrix)
  124.02           .. (2 indent ) With signal conditioning
  124.03           ... (3 indent ) Overheat protection
  124.04           ... (3 indent ) Responsive to impact member position
  124.05           ... (3 indent ) Control of drive force
  124.06           .... (4 indent ) Manifold form or plural copies
  124.07           ... (3 indent ) With wear or defect compensation
  124.08           .. (2 indent ) Plural printheads
  124.09           ... (3 indent ) Multicolor
  124.1           .. (2 indent ) With inking
  124.11           .. (2 indent ) Printhead
  124.12           ... (3 indent ) Having assembly means
  124.13           ... (3 indent ) Overheat protection
  124.14           ... (3 indent ) With actuator
  124.15           .... (4 indent ) Single actuator for simultaneous actuation of plural impact members
  124.16           .... (4 indent ) Electrostrictive, magnetostrictive, or piezoelectric
  124.17           .... (4 indent ) Actuator having electromagnet
  124.18           ....• (5 indent ) Electrical component
  124.19           ....•. (6 indent ) Moving coil
  124.2           ....•. (6 indent ) Permanent magnet
  124.21           ....• (5 indent ) With biasing means
  124.22           ....•. (6 indent ) Backstop
  124.23           ....• (5 indent ) Armature structure or mounting
  124.24           ... (3 indent ) Impact member guide
  124.25           .... (4 indent ) With lubricator
  124.26           .... (4 indent ) Specific material
  124.27           .... (4 indent ) Including shifting of guide
  124.28           ... (3 indent ) Impact member tip arrangement
  124.29           ... (3 indent ) Impact member structure
  124.3           .... (4 indent ) Tip cross-section
  124.31           .... (4 indent ) With attachment or engagement means
  124.32           .... (4 indent ) Specific material
  127           TYPING TO PRODUCE EMBOSSED CHARACTER
  128           . (1 indent ) Character embossed or typed on nonplanar article (e.g., golf ball, toothbrush, etc.)
  129           . (1 indent ) By type-die mounted on carrier movable for selection of character
  130           .. (2 indent ) Including programmed-control-system
  131           .. (2 indent ) Electrically powered
  132           .. (2 indent ) Type-die reciprocable on carrier
  133           .. (2 indent ) On endless-band carrier
  134           .. (2 indent ) On rotatable carrier
  134.1           ... (3 indent ) Actuated by key-board control
  134.2           .... (4 indent ) Including type-die movable relative to carrier
  134.3           ....• (5 indent ) With magazine for supply of record-medium plates
  134.4           ... (3 indent ) On manually held embosser
  134.5           .... (4 indent ) Including web supply of record-medium
  134.6           ... (3 indent ) Including web supply of record-medium
  135           TYPING TO PRODUCE PIERCED CHARACTER
  136           . (1 indent ) Cutout character for stencil
  137           . (1 indent ) Check-protection character
  138           .. (2 indent ) By type-die mounted on carrier movable for selection of character
  138.1           ... (3 indent ) Electrically powered
  138.2           ... (3 indent ) On rotatable carrier (e.g., for scarifying elements, etc.)
  138.3           .... (4 indent ) Actuated by key-board control
  138.4           .... (4 indent ) Including plural-character type-die
  138.5           ....• (5 indent ) And rotating contact with platen
  138.6           .... (4 indent ) For type-die including piercing or cutting elements
  139           INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE
  140           . (1 indent ) Including type-faces movable relative to type-face-carrier
  141           .. (2 indent ) Slidable type-faces mounted on reciprocable carrier
  141.1           ... (3 indent ) On rotatable or oscillatable carrier reciprocable along its axis
  142           .. (2 indent ) Slidable type-faces on rotatable carrier
  143           .. (2 indent ) Rotatable type-face carrier including type-faces on pivotable arms
  144           .. (2 indent ) Type-face-carrier including type-faces on flexible arms
  144.1           ... (3 indent ) Rotatable or oscillatable carrier
  144.2           .... (4 indent ) Carrier having coplanar flexible arms (e.g., "daisy" wheel, etc.)
  144.3           ....• (5 indent ) Continuously rotated carrier
  144.4           ....• (5 indent ) Manually rotated carrier
  145           .. (2 indent ) Type-faces on deformable type-face-carrier
  145.1           ... (3 indent ) Rotatable carrier
  145.2           .... (4 indent ) Cylindrical carrier
  146           . (1 indent ) Including endless-band carrier for type-faces
  147           . (1 indent ) Type-faces arranged in rectilinear row and selected by reciprocable movement
  148           .. (2 indent ) On rotatable carrier having plural rectilinear rows
  149           . (1 indent ) Plural type-heads mounted for selective individual type-head-imprinting movement
  150           .. (2 indent ) Type-heads arranged for selective individual imprinting movement away from coaxial rest position
  151           .. (2 indent ) Turret carrier for type-heads
  151.1           ... (3 indent ) Axis of turret carrier parallel to platen axis
  152           . (1 indent ) Type drum having multiple type-set-assemblages
  153           . (1 indent ) Imprint by movement of record-medium against type-face
  154           .. (2 indent ) By hammer impacting record-medium against type-face on type-head (e.g., type shuttle, etc.)
  154.1           ... (3 indent ) Including selection of type-face
  154.2           .... (4 indent ) Via pulley and cord arrangement (e.g., summing displacements)
  154.3           .... (4 indent ) By shortest peripheral path
  154.4           .... (4 indent ) Via coded disc in electric or magnetic circuit (e.g, photoelectric)
  154.5           .... (4 indent ) Via stepping motor responsive to selection
  155           .... (4 indent ) Via electrical or electromagnetic means
  155.1           ....• (5 indent ) Including plural-function actuation by electromagnet(s)
  156           .... (4 indent ) Via helical arrangement of projections
  156.1           .... (4 indent ) Via mechanically permutated bar(s), disc(s), or plate(s)
  156.2           .... (4 indent ) Via planetary gear arrangement
  156.3           ....• (5 indent ) Including latch means
  157           ... (3 indent ) Including type-faces arranged along helical path(s)
  157.1           ... (3 indent ) Including particular structure of hammer(s)
  157.2           .... (4 indent ) Electromagnetically actuated
  157.3           .... (4 indent ) For variable impression (e.g., impact control)
  157.4           .... (4 indent ) Hammer(s) mounted on endless belt or in helical array
  158           .. (2 indent ) Including platen for moving record-medium against type-face and mechanism for feeding record-medium
  158.1           ... (3 indent ) Including moving and feeding by platen
  159           .. (2 indent ) Including platen for moving record-medium against type-face and mechanism for inking type-face
  160           . (1 indent ) Imprint by pivoting of type-head-carrier and type-head against record-medium
  161           .. (2 indent ) Type-head-carrier movable on movable carriage
  161.1           ... (3 indent ) Including selection of type-face (e.g., on "golf ball" type-head)
  161.2           .... (4 indent ) Via gear train
  161.3           ....• (5 indent ) Gears mounted on type-head and type-head-carrier
  161.4           ....• (5 indent ) Including gear (e.g., rack) reciprocated by transmission mechanism
  161.5           .... (4 indent ) Via multiple cam surfaces
  162           .. (2 indent ) Type-head movable for selection of type-face
  162.1           ... (3 indent ) Via pulley and cord arrangement
  162.2           ... (3 indent ) Via shortest peripheral path
  162.3           ... (3 indent ) Via coded disc in electric or magnetic circuit (e.g., photoelectric)
  163           ... (3 indent ) Via stepping motor responsive to selection
  163.1           ... (3 indent ) Via electrical or electromagnetic means
  163.2           .... (4 indent ) Including electromagnetically actuated type-head movement toward record-medium
  163.3           .... (4 indent ) Including plural-function actuation by electromagnet(s)
  164           ... (3 indent ) Via helical arrangement of projections
  164.1           ... (3 indent ) Via pneumatic actuation
  164.2           ... (3 indent ) Via setting elements actuating selector-command member(s)
  164.3           ... (3 indent ) Control arm connected to selection gear and movable to engage key-lever actuated abutment
  164.4           ... (3 indent ) Via stop pins actuatable by key-board
  164.5           ... (3 indent ) Toothed member connected to selection gear and slidable by key-lever movement
  164.6           ... (3 indent ) Selection gear rotated by key-lever movement
  165           ... (3 indent ) Simultaneous rotation and translation of type-head by manually powered actuation (e.g., helical shift)
  165.1           ... (3 indent ) Via manually powered actuation other than by key-board (e.g, stylus selection)
  165.2           .... (4 indent ) Including type-head movable to print-point by actuator common to all type faces
  165.3           ....• (5 indent ) Selection by rotatable dial
  166           .. (2 indent ) Including impact control
  167           .. (2 indent ) Including rebound control
  168           .. (2 indent ) Articulated-support joint
  169           .. (2 indent ) Detenting to fix type-head for imprinting
  170           .. (2 indent ) Including movable printing anvil within type-head
  171           . (1 indent ) Plural type-set-assemblages selectively movable from a storage station to a printing station
  172           . (1 indent ) Type-faces mounted on type chips and removable from storage for printing
  173           . (1 indent ) With means for exposing last-typed character
  174           . (1 indent ) Type-head, per se
  175           .. (2 indent ) Detachable from carrier (e.g., interchangeable)
  176           HAVING FLUID-PRESSURE POWER DRIVE
  177           . (1 indent ) Including pneumatic decoder for perforated tape
  178           . (1 indent ) For producing typewriter-control tape (e.g., perforated tape, etc.)
  179           . (1 indent ) For type-face selection or choice
  180           .. (2 indent ) Including key-board driven by external pneumatic source
  181           .. (2 indent ) By pneumatic actuation of type-face or type-bar
  182           . (1 indent ) For movement of carriage or platen
  183           .. (2 indent ) Including line-spacing
  184           HAVING TYPEWRITER-CONTROLLED RECIPROCABLE ELECTROMAGNETIC DRIVE FOR PLURAL FUNCTIONS IN SAME TYPEWRITER
  185           HAVING POWER-DRIVEN OPERATOR FOR PLURAL FUNCTIONS
  186           . (1 indent ) Via continuously rotated power roll selectively connected to operate
  187           . (1 indent ) Usable selectively (e.g., for powered or manual operation, alternative usable functions, etc.)
  188           FOR TYPING ON REVERSE SURFACE OF RECORD-MEDIUM
  189           . (1 indent ) By simultaneous use of both surfaces of same ribbon
  190           . (1 indent ) By use of "carbon paper"
  191           INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM
  192           . (1 indent ) Moved by continuously rotating power drive intermittently applied
  193           . (1 indent ) Inking device handheld during typing
  194           . (1 indent ) Endless ribbon or cartridge therefor
  195           .. (2 indent ) Mobius strip
  196           .. (2 indent ) Including storage (e.g., in cartridge, etc.) of ribbon
  196.1           ... (3 indent ) Having ribbon stored in pleated form
  197           . (1 indent ) Renovation of used ribbon
  198           .. (2 indent ) With ink heater (e.g., for melting solid ink)
  199           .. (2 indent ) By discrete auxiliary band movable with ribbon
  200           .. (2 indent ) Selectively actuatable re-inker
  201           .. (2 indent ) Of multicolor ribbon
  202           .. (2 indent ) Renovator attachable to typewriter for replenishing ribbon ink
  202.1           ... (3 indent ) Attached to ribbon spool
  202.2           ... (3 indent ) And includes refillable chamber (e.g., reservoir) for liquid ink
  202.3           .... (4 indent ) And conveyor of discrete drops of ink
  202.4           .... (4 indent ) And re-inking roller
  203           . (1 indent ) Ribbon disposed within platen
  204           . (1 indent ) For typing plural copies simultaneously with ribbon(s) (e.g., duplicate typing)
  205           .. (2 indent ) Including holder for short length of ribbon
  205.1           ... (3 indent ) Holder movable to inoperative position on typewriter
  206           .. (2 indent ) Using plural ribbons (e.g., additional ribbon(s)
  206.1           ... (3 indent ) Including "carbon paper" ribbon
  206.2           ... (3 indent ) And ribbon holder movable to inoperative position on typewriter
  206.3           ... (3 indent ) On plural coaxial spools
  206.4           ... (3 indent ) On single spool
  207           . (1 indent ) Package for ribbon facilitating mounting of ribbon on typewriter (e.g., ribbon cartridge)
  208           .. (2 indent ) Package attached to typewriter
  208.1           ... (3 indent ) And includes separable assemblage of spools
  209           . (1 indent ) For bottom-strike typewriter
  210           . (1 indent ) For boldface typing
  211           . (1 indent ) Including mechanism for shifting ribbon laterally at print-point
  212           .. (2 indent ) Via electrically powered actuator
  213           .. (2 indent ) For impact of successive type-faces on one field of ribbon in path not parallel to longitudinal extent of ribbon (e.g., "zigzag", oblique, etc.)
  213.1           ... (3 indent ) Via ribbon vibrator
  214           .. (2 indent ) Plural ribbons shiftable laterally (e.g., by duplicate vibrators)
  215           .. (2 indent ) By ribbon vibrator
  215.1           ... (3 indent ) Including vibrator shiftable during use of nonfeed character key (e.g., for typing accent mark, etc.)
  215.2           ... (3 indent ) With retardation of vibrator return after type-face impact (e.g., with dashpot)
  215.3           ... (3 indent ) With elevation and holding of vibrator above print-point (e.g., to facilitate ribbon insertion)
  215.4           ... (3 indent ) With inactivation of vibrator (e.g., for cutting a stencil)
  216           ... (3 indent ) Including variable throw of vibrator
  216.1           .... (4 indent ) For diverse-field (e.g., plural-color) ribbon
  216.2           ....• (5 indent ) With typewriter-controlled change of field
  216.3           ....• (5 indent ) By movement parallel to print-line
  216.4           ....• (5 indent ) Vibrator throw controlled via alternate pins selectively inserted in slots
  216.5           ....• (5 indent ) Field selection by selectively positioned stop faces to limit vibrator movement
  216.6           ....• (5 indent ) To compensate for case-shift
  217           .. (2 indent ) To shift impact path (e.g., during ribbon reversal)
  217.1           ... (3 indent ) By adjustable ribbon guide spaced from supply spool
  218           . (1 indent ) Ribbon-reversing mechanism
  219           .. (2 indent ) Including means responsive to depletion of ribbon supply
  219.1           ... (3 indent ) Including an electric switch
  219.2           ... (3 indent ) Including lever retained in spool by wound ribbon
  219.3           ... (3 indent ) Including senser for diameter of wound ribbon
  219.4           .... (4 indent ) Senser received in depression in core of spool
  219.5           ... (3 indent ) Including projection from ribbon
  220           .. (2 indent ) Alternative pawl-and-ratchet drive including ratchet directly connected to spool or spindle
  220.1           ... (3 indent ) Including a common pawl member (e.g.. double-toothed pawl)
  220.2           ... (3 indent ) Including member interposed in pawl drive path
  221           .. (2 indent ) Alternative gear drive including gear directly connected to spool or spindle
  221.1           ... (3 indent ) And gears mounted on ends of axially shiftable common shaft
  221.2           ... (3 indent ) And gears mounted on ends of pivoted common shaft
  222           .. (2 indent ) Alternative clutch drive including clutch member directly connected to spool or spindle
  223           . (1 indent ) Ribbon-feeding mechanism
  224           .. (2 indent ) For feeding ribbon angularly to print-line at print-point
  224.1           ... (3 indent ) Ribbon fed perpendicular to print-line at print-point
  224.2           .... (4 indent ) Ribbon is full-page wide
  225           .. (2 indent ) Including electrically powered drive means (e.g., solenoid, stepping motor, etc.)
  226           .. (2 indent ) For feeding ribbon partial character-space before impact and partial character-space after impact
  227           .. (2 indent ) For narrow carbon ribbon (e.g., carbon ink, "single use", etc.)
  227.1           ... (3 indent ) Ribbon destroyed after use
  227.2           ... (3 indent ) Or for alternatively used fabric ribbon
  228           .. (2 indent ) Including pin-feed-engaging ribbon
  229           .. (2 indent ) Mounted with movable type-face-carrier or type-head-carrier
  230           .. (2 indent ) With fast rewind of ribbon
  231           .. (2 indent ) With prevention of ribbon feed (e.g., for nontype operation, etc.)
  232           .. (2 indent ) Including feed at particular feed rate (e.g., "creep" feed)
  233           .. (2 indent ) Ribbon feed from supply only during carriage return
  234           .. (2 indent ) Including ribbon tensioner
  235           .. (2 indent ) Drive applied by means directly engaging ribbon in advance of takeup
  235.1           ... (3 indent ) Drive applied by pinch-roller couple
  236           .. (2 indent ) Drive applied directly to spool or spool spindle
  236.1           ... (3 indent ) By a pawl driving a ratchet on the spool or spindle
  236.2           ... (3 indent ) By a gear driving a gear on the spool or spindle
  237           . (1 indent ) Ribbon, per se
  238           .. (2 indent ) Having leader portion (e.g., for threading, etc.)
  239           .. (2 indent ) With ribbon-reversing indicator or device on ribbon
  240           .. (2 indent ) Including differently pigmented fields
  240.1           ... (3 indent ) Including correction-material field
  240.2           ... (3 indent ) With prevention of bleeding between adjacent fields
  240.3           ... (3 indent ) Including fields arranged transversely to elongated dimension of ribbon
  240.4           ... (3 indent ) Including more than two fields
  241           .. (2 indent ) Particular ribbon material
  241.1           ... (3 indent ) Synthetic material
  241.2           .... (4 indent ) Wherein ink is entrapped in ribbon material (e.g., microcapsules, micropores, etc.)
  241.3           ... (3 indent ) Particular weave pattern
  241.4           ... (3 indent ) Including ink-impervious backing for ribbon
  242           . (1 indent ) Ribbon spool or mount therefor
  243           .. (2 indent ) Universally adaptable
  244           .. (2 indent ) Including ribbon-reversing indicator or device on spool or mount
  245           .. (2 indent ) Including magnetic retainer
  246           .. (2 indent ) Spool for full-page-wide ribbon
  247           . (1 indent ) Means auxiliary to ribbon mechanism (e.g., shield, guide, etc.)
  248           .. (2 indent ) Including guide for ribbon
  248.1           ... (3 indent ) Ribbon guide opening expandable to facilitate ribbon insertion
  248.2           .... (4 indent ) And typewriter-actuated closing of guide
  248.3           ... (3 indent ) Including electrical, magnetic, or pneumatic guide means
  249           .. (2 indent ) Including indicator for depletion of ribbon (e.g., bell, sign, etc.)
  250           .. (2 indent ) Including tool for inserting ribbon
  251           CASE-SHIFT MECHANISM
  252           . (1 indent ) Including programmed-control-system
  253           . (1 indent ) Including electronic control or code-bar control
  254           . (1 indent ) Controlled by typewriter-actuated mechanism
  255           . (1 indent ) Including plural case-shift mechanisms (e.g., for simultaneous or selective use)
  256           . (1 indent ) Actuated by toggle-linkage
  257           . (1 indent ) For case-shift by type-head (e.g., spherical type-head) movement
  258           . (1 indent ) Power-operated mechanism (e.g., for locking shift key)
  259           .. (2 indent ) For shifting platen
  260           .. (2 indent ) For shifting type-bar-segment
  261           . (1 indent ) Multiple-shift mechanism (i.e., for type-bar having three or more type faces thereon)
  262           .. (2 indent ) For shifting type-bar-segment
  263           .. (2 indent ) For shifting type-bar or type-face on type-bar
  263.1           ... (3 indent ) By pivoting type-face relative to type-bar
  263.2           ... (3 indent ) By rotating type-face relative to type-bar
  264           . (1 indent ) For shifting platen
  265           .. (2 indent ) Fore-and-aft (e.g., for top-strike or bottom-strike typewriter)
  266           .. (2 indent ) Mounted on pivotally movable platen carrier
  266.1           ... (3 indent ) With movement of platen out of typing position
  266.2           ... (3 indent ) Including adjustable counterbalance spring
  266.3           ... (3 indent ) Including a yieldable link (e.g., spring, etc.)
  267           .. (2 indent ) By depression of space-bar
  268           . (1 indent ) For shifting type-face or type-bar
  269           .. (2 indent ) By shifting type-bar or type-face on type-bar
  269.1           ... (3 indent ) By pivoting type-face relative to type-bar
  270           .. (2 indent ) Mounted on type-bar support (e.g., guide pin, type-bar-segment, etc.)
  270.1           ... (3 indent ) Ring hanger support
  270.2           ... (3 indent ) Including ball-bearing support
  270.3           ... (3 indent ) Including pivoted-lever support (e.g., cantilever spring, etc.)
  271           . (1 indent ) By choosing from one of a plurality of type-bars operated by a single key
  272           . (1 indent ) Including key attachment for case-shift
  273           .. (2 indent ) Operated by user's leg, (e.g., foot, knee, etc.)
  274           . (1 indent ) For locking case-shift mechanism in position (e.g., rebound lock, cam, etc.)
  275           .. (2 indent ) For locking platen in fore-and-aft position (e.g., by overcenter spring, etc.)
  276           .. (2 indent ) For locking shift-key lever in depressed position
  276.1           ... (3 indent ) By toggle-linkage
  276.2           ... (3 indent ) By means pivoted on shift-key lever
  277           . (1 indent ) Including limit stop (e.g., block, chain, etc.)
  278           .. (2 indent ) Including limit screw
  279           CONTROL OF PRINT POSITION ALONG PRINT-LINE BY SIGNAL GENERATED BY PROGRAMMED-CONTROL-SYSTEM
  280           . (1 indent ) Program is indicia on auxiliary member
  281           .. (2 indent ) Member is punched tape or card
  282           . (1 indent ) Program is indicia on record-medium
  283           CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM
  284           . (1 indent ) For stopping carriage in tabular position (e.g., column-set positions)
  285           .. (2 indent ) In denominational positions
  285.1           ... (3 indent ) And column-set positions
  285.2           .... (4 indent ) Tab-rack stop intercepted by denominational-stop
  285.3           ....• (5 indent ) Tab stops grouped in stepped fashion
  285.4           ... (3 indent ) With control of zero or space for decimal point
  285.5           ... (3 indent ) With reverse-direction movement of carriage
  285.6           ... (3 indent ) Helically mounted denominational-stop(s)
  286           ... (3 indent ) Shiftable denominational-stop(s)
  286.1           .... (4 indent ) Step-shaped denominational- or tab-stop(s)
  286.2           .... (4 indent ) Engaging movable tab-rack means
  286.3           ... (3 indent ) With latch or lock means
  287           .. (2 indent ) Column set by control of mutilated carriage-rack
  288           .. (2 indent ) Column set by control of tab-rack
  289           .. (2 indent ) Column set by control of tap-stops or column-stops or counter-stops
  289.1           ... (3 indent ) Tab-stops grouped in stepped fashion
  290           .. (2 indent ) Forward or reverse tabulation
  291           .. (2 indent ) With impact cushion or rebound check
  292           .. (2 indent ) With control of carriage velocity
  293           .. (2 indent ) By multiple-pitch tab-racks or multilated gear
  294           .. (2 indent ) Stop-setting or stop-clearing mechanism
  294.1           ... (3 indent ) With stop magazine (i.e., for supply of stops)
  294.2           ... (3 indent ) With key-locking mechanism
  294.3           ... (3 indent ) Drum-mounted tab-stops
  295           ... (3 indent ) Stop setting by linear shift of tab-stop or counter-stop
  295.1           .... (4 indent ) Stop shifts horizontally from tab-rack
  295.2           .... (4 indent ) Stop shifts laterally along tab-rack
  296           ... (3 indent ) Stop setting by movement of tab-rack
  296.1           .... (4 indent ) Tab-rack rotates about its axis
  296.2           .... (4 indent ) Plural tab-racks
  297           ... (3 indent ) Stop setting by partial rotation of tab stop relative to tab-rack
  297.1           ... (3 indent ) Stop setting by pivoting pawllike stop
  298           .. (2 indent ) Tab-stop or tab-rack structure, per se
  299           . (1 indent ) With rotatable type wheel for repeat printing in response to carriage movement
  300           . (1 indent ) Key-actuated mechanism for nonfeed of carriage (e.g., "silent" key, locking carriage, etc.)
  301           .. (2 indent ) By disabling carriage-escapement mechanism
  302           .. (2 indent ) By key actuated independently of carriage feed
  303           . (1 indent ) For varying carriage feed
  304           .. (2 indent ) For kerning or overlap imprinting
  305           .. (2 indent ) By force-feed or screw-feed mechanism
  306           .. (2 indent ) Proportional to variable widths of imprinted characters
  306.1           ... (3 indent ) By settable elements (e.g., pins, bars, slides)
  306.2           ... (3 indent ) By ratchet-wheel and controlled pawl
  306.3           .... (4 indent ) Including multiple pawls
  306.4           ....• (5 indent ) And multiple wheels
  307           ... (3 indent ) By ratchet rack and controlled pawl
  307.1           .... (4 indent ) Including multiple pawls
  307.2           ... (3 indent ) By cooperating toothed members (e.g., gear, segment, rack, etc.)
  308           . (1 indent ) Carriage backspace mechanism
  309           .. (2 indent ) Backspace proportional to variable width of imprinted characters
  310           .. (2 indent ) Including powered drive means
  311           .. (2 indent ) Including pawl and escapement wheel
  312           .. (2 indent ) Including pawl and escapement rack
  313           . (1 indent ) Carriage-return mechanism
  314           .. (2 indent ) With concurrent line-spacing
  314.1           ... (3 indent ) Using electromagnetic drive
  314.2           ... (3 indent ) For selected number of line-spaces
  314.3           ... (3 indent ) With disconnection of return by margin-stop
  314.4           ... (3 indent ) Initiated by user's leg or foot
  314.5           ... (3 indent ) Initiated by actuator adjacent key-board
  314.6           ... (3 indent ) By return-clutch means
  315           .. (2 indent ) Responsive to carriage position
  316           .. (2 indent ) Partial return (e.g., for start of paragraph, etc.)
  317           .. (2 indent ) Including power drive (e.g., electric, spring, etc.)
  317.1           ... (3 indent ) For bidirectional drive
  317.2           ... (3 indent ) By spring-driven motor
  317.3           ... (3 indent ) Powered via engagement of a clutch
  318           .. (2 indent ) Initiated by actuator adjacent key-board
  319           . (1 indent ) Carriage-feed mechanism (e.g., escapement, etc.)
  320           .. (2 indent ) For carriage on which a type-head-carrier is mounted
  320.1           ... (3 indent ) With concurrent movement of carriage for record-medium and carriage for type-head-carrier
  321           .. (2 indent ) With repeat spacing
  322           .. (2 indent ) By electric or magnetic power
  323           .. (2 indent ) Carriage-feed in two directions (e.g., continuous typing in both directions)
  323.1           ... (3 indent ) In selected direction (e.g., for Semitic language, etc.)
  324           .. (2 indent ) Word-space concurrent with typing of last character of word
  325           .. (2 indent ) By space-bar mechanism (e.g., separate connection to escapement) or paragraph-indentation key
  326           .. (2 indent ) With compensator for tilt of typewriter
  327           .. (2 indent ) For diagonal print-line
  328           .. (2 indent ) By force-feed or screw mechanism (e.g., direct drive, screw-biasing carriage, etc.)
  328.1           ... (3 indent ) Including pawl and toothed rack
  329           .. (2 indent ) Carriage escapement controlled by pawl
  329.1           ... (3 indent ) Means to ensure engagement of pawl at start of print-line (i.e., overbanking control)
  329.2           ... (3 indent ) Carriage-feed initiated and completed during depression of character key (e.g., "speed" or "reverse" escapement)
  329.3           ... (3 indent ) Pawl rocker spring regulating device
  330           ... (3 indent ) Via ratchet wheel connected to pinion and carriage-rack
  330.1           .... (4 indent ) And plural pawls
  330.2           ....• (5 indent ) For half-drop escapement
  330.3           ....• (5 indent ) Mounted on pivotable pawl carrier or rocker
  330.4           ....•. (6 indent ) Including pawl(s) fixed to rocker
  330.5           ....•.. (7 indent ) And slidable pawl
  330.6           ....•.. (7 indent ) Including pawl pivoted about axis parallel to rocker axis
  330.7           ....• (5 indent ) Mounted on movable (e.g., rotatable, slidable) pawl carrier
  330.8           ....• (5 indent ) Including particular structure of pawl (e.g., pivoted, unitary, with roller, etc.)
  331           .... (4 indent ) Including plural ratchet wheels
  331.1           .... (4 indent ) Including particular structure of ratchet wheel
  331.2           .... (4 indent ) Including cushioned escapement support (e.g., rocker, pawl buffer, etc.)
  331.3           .... (4 indent ) Including particular structure of mount for ratchet wheel (e.g., bearing, clutch, etc.)
  332           ... (3 indent ) Via toothed rack
  332.1           .... (4 indent ) And plural pawls
  332.2           ....• (5 indent ) Mounted on pivotable pawl carrier or rocker
  332.3           ....• (5 indent ) Mounted on movable (e.g., rotatable, slidable) pawl carrier
  332.4           ....• (5 indent ) Including particular structure of pawl (e.g., slidable, pivoted, unitary, etc.)
  332.5           .... (4 indent ) Including plural toothed racks (e.g., pivoted, etc.)
  332.6           .... (4 indent ) Including particular structure of rack (e.g., toothed, slidable, etc.)
  333           .. (2 indent ) Universal-bar or actuator therefor
  333.1           ... (3 indent ) Connected to actuator for another function
  333.2           ... (3 indent ) Adjustable
  333.3           ... (3 indent ) Actuated by type-bar or type-bar action
  334           .. (2 indent ) Carriage-feed-release mechanism
  334.1           ... (3 indent ) By disengagement of clutch between ratchet wheel and pinion
  334.2           ... (3 indent ) By disengagement of escapement pawl(s)
  334.3           .... (4 indent ) From carriage-rack
  335           .. (2 indent ) With particular connection to carriage (e.g., gear train, pulley and strap, etc.)
  336           .. (2 indent ) Spring-biasing carriage for feed
  336.1           ... (3 indent ) Torsion spring in rotatable barrel
  337           . (1 indent ) Carriage-retarder mechanism
  338           .. (2 indent ) Including governor responsive to speed or momentum
  338.1           ... (3 indent ) Using centrifugal force
  338.2           ... (3 indent ) Using inertial force retarder (e.g., flywheel, weight, etc.)
  339           .. (2 indent ) Using fluid or fluent-material retarder
  340           .. (2 indent ) Using frictional retarder (e.g., strap, disc, drum, etc.)
  341           .. (2 indent ) Carriage-buffer stop or rebound control
  342           . (1 indent ) Margin-regulator (e.g., adjustable margin-stop) mechanism
  343           .. (2 indent ) With intermediate margin-stop
  344           .. (2 indent ) With other typewriter function controlled by margin-stop (e.g., signal, line-space)
  345           ... (3 indent ) Carriage-arrest function (e.g., "overbank")
  346           ... (3 indent ) Print-line locking function
  347           .. (2 indent ) With multiple-pitch selector
  348           .. (2 indent ) With release of margin-stop
  349           .. (2 indent ) Conjointly set or centrally spring biased
  350           .. (2 indent ) On record-medium table or paper-finger
  351           .. (2 indent ) Margin-stop structure, per se
  352           . (1 indent ) Carriage, per se, or guideway therefor
  353           .. (2 indent ) Including auxiliary carriage
  354           .. (2 indent ) Guideway or bearings for carriage
  354.1           ... (3 indent ) Guideway cooperating with ball bearings or roller bearings
  354.2           .... (4 indent ) Including bearing holder geared to carriage
  354.3           .... (4 indent ) Including respositionable guideway
  355           . (1 indent ) Means for repositioning carriage or platen thereon
  356           .. (2 indent ) To nonprint position
  357           .. (2 indent ) To detach carriage
  358           .. (2 indent ) To detach platen
  359           HAVING TYPEWRITER-CONTROLLED RECIPROCABLE ELECTROMAGNETIC DRIVE FOR TYPE BAR ACTUATION IN SAME TYPEWRITER
  360           . (1 indent ) Including electromagnetic return of universal actuator
  361           . (1 indent ) Including actuator to complete depression of selected key or key lever
  362           . (1 indent ) Including universal actuator to actuate selected type-bar action
  363           .. (2 indent ) And individual solenoids to connect the type-bar action to be actuated
  364           . (1 indent ) Including individual solenoids to actuate the selected type-bar action
  365           HAVING ROTATED POWER DRIVE INTERMITTENTLY APPLIED FOR TYPE-BAR ACTUATION
  366           . (1 indent ) Including jam-release means
  367           . (1 indent ) Interposed components driven by filter shaft
  368           . (1 indent ) For repeat-type action
  369           .. (2 indent ) With prevention of repeat typing
  370           . (1 indent ) Via continously rotated power roll
  371           .. (2 indent ) And oscillatable cam
  372           .. (2 indent ) And rotatable cam (e.g., single-lobe cam)
  373           ... (3 indent ) Including double-lobe cam
  374           .. (2 indent ) And friction leg (e.g., other than by cam)
  375           .. (2 indent ) Snatch roll
  375.1           ... (3 indent ) Including plural coaxial snatch discs
  375.2           ... (3 indent ) With control of impact force
  375.3           ... (3 indent ) With electromagnetic control of pawl
  375.4           ... (3 indent ) And star wheel
  376           .. (2 indent ) With control of impact force
  377           . (1 indent ) Via limited-rotation clutch
  378           .. (2 indent ) Plural cams clutched to drive shaft
  379           . (1 indent ) Via spring drive (e.g., spring-driven snatch roll)
  380           .. (2 indent ) Including individual spring for each type-bar action
  381           .. (2 indent ) Including reciprocable common actuator
  382           . (1 indent ) Via reciprocating common actuator
  383           TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER
  384           . (1 indent ) Spring drive for type-bar action
  385           . (1 indent ) With added-motion mechanism for type-bar near print-point
  386           .. (2 indent ) Including toggle-linkage
  387           .. (2 indent ) Including momentum accumulator
  388           .. (2 indent ) Including hammer, roller, or presser mechanism
  388.1           ... (3 indent ) Type-bar pivotable to vicinity of print-point
  389           .. (2 indent ) With power assist for mechanism
  390           . (1 indent ) With end-thrust mechanism for type-bar
  391           .. (2 indent ) Type-bar slidable on flat support
  391.1           ... (3 indent ) Driven by gear means
  391.2           ... (3 indent ) Driven by cam means
  391.3           ... (3 indent ) Driven by toggle-linkage
  391.4           ... (3 indent ) With power assist for mechanism
  392           .. (2 indent ) Including momentum accumulator
  393           .. (2 indent ) For top-strike or bottom-strike typewriter
  394           . (1 indent ) With type-bar pivot traveling during typing movement of type-bar
  395           .. (2 indent ) Type-bar pivot on longitudinally movable carriage in top-strike typewriter
  396           .. (2 indent ) With ink pad on type-bar rest
  397           . (1 indent ) With disconnection of type-bar action during movement thereof
  398           . (1 indent ) With accelerated (e.g., motion amplifying)type-bar action
  399           .. (2 indent ) By rolling contact between links
  399.1           ... (3 indent ) By key-lever rolling on fulcrum
  400           .. (2 indent ) By cam-engaging link
  401           .. (2 indent ) By breaking and straightening toggle-linkages
  402           .. (2 indent ) By breaking toggle-linkage (e.g., to pull type-bar to print-point)
  403           .. (2 indent ) By straightening toggle-linkage (e.g., to push type-bar to print-point)
  404           .. (2 indent ) Including adjustment of toggle-linkage anchor position
  405           .. (2 indent ) By type-bar connecting link
  405.1           ... (3 indent ) Including gear connection
  406           .. (2 indent ) By pin and slot connection
  407           .. (2 indent ) Including type-bar starter means
  408           . (1 indent ) For bottom-strike typewriter
  409           .. (2 indent ) Including simultaneous actuation of plural type-bars for simultaneous imprinting
  410           .. (2 indent ) With pivotally mounted platen carrier (e.g., for access, etc.)
  411           .. (2 indent ) Type-bar actuated by rack and gear
  412           .. (2 indent ) Including type-bar mounting arrangement
  413           .. (2 indent ) With type-face inker (e.g., ink-pad rest)
  414           .. (2 indent ) Including key or key-lever arrangement
  415           . (1 indent ) For top-strike typewriter
  416           .. (2 indent ) Including type-bars pivoted on both sides of, or above and across, platen axis
  417           .. (2 indent ) With type-face inker (e.g., ink pad, roller, etc.)
  418           .. (2 indent ) Type-bar pivoted by gear connection
  419           .. (2 indent ) Type-member or type-bar pivoted and rotatable (e.g., for selection of type face)
  420           .. (2 indent ) Type-bar pivoted by push link
  421           .. (2 indent ) Type-bar pivoted by cam
  422           . (1 indent ) Type-bar action
  423           .. (2 indent ) Including selectively disengageable type-bar action to render action inoperable
  424           .. (2 indent ) With type-face pivoted on type-bar for rolling contact with platen
  425           .. (2 indent ) Including jam-release means
  426           .. (2 indent ) Including type-bar return before release of key lever
  427           .. (2 indent ) Including yieldable link in type-bar action
  428           .. (2 indent ) Including means to limit type-bar movement
  429           .. (2 indent ) Type-bar pushed or pulled by hooklike cam
  430           .. (2 indent ) Type-bar pulled to print-point
  430.1           ... (3 indent ) By cam means (e.g., slotted cam, helix, etc.)
  430.2           ... (3 indent ) By toggle-linkage
  430.3           ... (3 indent ) With movable type-bar-segment
  431           .. (2 indent ) Type-bar moved to print-point by gear drive
  432           .. (2 indent ) Type-bar moved to print-point by cam means
  433           .. (2 indent ) Type-bar moved to print-point by toggle-linkage
  434           .. (2 indent ) Including connecting link or joint
  434.1           ... (3 indent ) Adjustable (e.g., in length, etc.)
  434.2           ... (3 indent ) Flexible (e.g., spring, strap, etc.)
  434.3           ... (3 indent ) Including connecting element (e.g., joint, etc.)
  435           . (1 indent ) Type-bar rebound preventer (e.g., via latch, brake, linkage, etc.)
  436           . (1 indent ) Type-bar return spring connected to type-bar-action linkage
  437           .. (2 indent ) For impact control
  438           .. (2 indent ) With adjustment means (e.g., for "touch" control, ect.)
  438.1           ... (3 indent ) Including an indicator
  439           .. (2 indent ) Attached to type-bar or universal-bar
  440           .. (2 indent ) Attached to key lever (e.g., tension spring)
  440.1           ... (3 indent ) Compression spring
  440.2           ... (3 indent ) Cantilever spring (e.g., torsion, hairpin, etc.)
  441           . (1 indent ) Type-bar pivot support
  442           .. (2 indent ) For plural groups of type-bars
  442.1           ... (3 indent ) Having type-bars disposed on plural ring supports
  442.2           ... (3 indent ) Including type-bars pivoted on vertical pivot(s) (e.g., moved in horizontal plane)
  443           .. (2 indent ) Ring support
  444           .. (2 indent ) Type-basket laterally movable relative to platen and key-board
  445           .. (2 indent ) Type-bar-segment (e.g., wire journal)
  445.1           ... (3 indent ) With guide for movement of segment
  445.2           ... (3 indent ) Including hanger for individual type-bar
  445.3           .... (4 indent ) And bearing for type-bar
  445.4           ... (3 indent ) Interchangeable (i.e., easily removable) segment
  445.5           ... (3 indent ) With type-bar anvil
  446           .. (2 indent ) Interconnected (e.g., nested) support bearings
  447           .. (2 indent ) Ball-and-socket bearing for type-bar (e.g., universal joint)
  448           .. (2 indent ) Roller bearing or ball bearing for type-bar
  448.1           ... (3 indent ) Including plural bearings for each type-bar
  449           .. (2 indent ) Adjustable bearing for type-bar
  450           .. (2 indent ) Pin support for type-bar
  451           .. (2 indent ) Wire support for type-bars
  452           . (1 indent ) Type-bar structure
  453           .. (2 indent ) With type-face movable in plane of type-bar movement
  454           . (1 indent ) Type-bar rest or rest support
  455           .. (2 indent ) Including metallic material
  456           . (1 indent ) Type-bar or type-member guide structure
  457           .. (2 indent ) Including resilient means for energy absorption or kickback
  458           .. (2 indent ) Mounted on platen-carriage
  459           .. (2 indent ) For thrusted type-bar
  460           .. (2 indent ) Guide adjacent print-point
  460.1           ... (3 indent ) Including rollers or balls
  460.2           ... (3 indent ) Including pin or collar
  461           .. (2 indent ) Adjustable guide
  462           . (1 indent ) Type-member structure
  463           .. (2 indent ) Removable type-member
  464           .. (2 indent ) Rotatable on type-bar
  465           .. (2 indent ) Pivotable on type-bar
  466           .. (2 indent ) Type-face or type-die configuration (e.g.,reverse image, boldface, piercing, etc.)
  467           . (1 indent ) Dust guard for type-bar action mechanism
  468           .. (2 indent ) For type-bar bearing (e.g., shield on type-bar-segment)
  469           . (1 indent ) Attachment to type-bar for imprinting extra character
  470           . (1 indent ) Ink-impregnated type-face or inker for type-face
  471           .. (2 indent ) Including stationary ink pad for inking type-face directly
  471.1           ... (3 indent ) And a wick for feeding pad from reservoir
  472           KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM
  473           . (1 indent ) Including mechanism (e.g., auxiliary key-board) for activating keys
  474           .. (2 indent ) Electromagnetic key-board-drive mechanism
  475           .. (2 indent ) Operated by user's leg (e.g., foot, knee, etc.)
  476           .. (2 indent ) For actuating function key only
  477           . (1 indent ) Including means generating a signal for type selecting or other typing function
  478           .. (2 indent ) Via slidable code bars
  479           .. (2 indent ) Via electrical component (e.g., switch, stylus, etc.) in or with key-board
  479.1           ... (3 indent ) Capacitance-responsive switch
  479.2           ... (3 indent ) Electromagnetic-responsive switch
  480           . (1 indent ) Including control of key action (e.g., buffer, etc.)
  481           .. (2 indent ) By regulating key force or movement (e.g., key dip or stroke)
  482           . (1 indent ) For stenographic typewriter
  483           . (1 indent ) For Braille typewriter
  484           . (1 indent ) For foreign-language typewriter
  485           . (1 indent ) Key-board having multiple-character, multiple-movement keys
  486           . (1 indent ) Key-board arranged according to character location
  487           .. (2 indent ) Color-coded key-board
  488           . (1 indent ) Key-board including row of keys having different heights
  489           . (1 indent ) Key-board including keys grouped to facilitate positioning of typist's fingers
  490           . (1 indent ) Key-cap or key-stem structure
  491           .. (2 indent ) Including cushioning means (e.g., yieldable surface)
  491.1           ... (3 indent ) Including underlying air cushion
  491.2           ... (3 indent ) Including spring supporting key cap or key stem
  491.3           .... (4 indent ) With sensory indicator (e.g., sound, tactile response, etc.)
  492           .. (2 indent ) Adjustable in plane of key(s) (e.g., to facilitate reach, rotatable, etc.)
  493           .. (2 indent ) Including character-bearing disc on key cap
  493.1           ... (3 indent ) Secured by encircling ring member
  493.2           .... (4 indent ) With slot for exchanging disc
  494           .. (2 indent ) Having raised or recessed character
  495           .. (2 indent ) Including means for mounting key cap or key stem
  495.1           ... (3 indent ) By spring means
  496           . (1 indent ) Key lever or space-bar mounting structure (e.g., dust guard, buffer, pivot, etc.)
  497           WITH CONTROL OF "CARBON PAPER" FOR TYPING PLURAL SIMULTANEOUS COPIES BY SINGLE IMPRESSION (E.G., ON "MANIFOLD SET")
  498           . (1 indent ) Including prevention of full imprint on "carbon copy" record-medium
  499           . (1 indent ) On record-medium wound around platen together with carbon paper
  500           . (1 indent ) With means for causing slack in web of manifold set
  501           .. (2 indent ) By arcuate movement of carbon paper carrier
  502           .. (2 indent ) By clamp on carbon paper carrier
  503           . (1 indent ) By use of other than rectangular sheet carbon paper (e.g., disc, etc.)
  504           .. (2 indent ) Endless-band carbon paper
  505           . (1 indent ) By multicolor carbon paper
  506           . (1 indent ) With means to prevent creep (e.g., relative movement) between record-media
  507           . (1 indent ) Including means for creep feed of carbon paper
  508           . (1 indent ) Including spool or support for roll of carbon paper
  509           .. (2 indent ) Including a flat roll or core therefor
  510           .. (2 indent ) And guide for changing feed direction
  510.1           ... (3 indent ) Spool support shiftable to and from platen
  511           .. (2 indent ) Feed mechanism for feed from roll of carbon paper
  511.1           ... (3 indent ) Responsive to return of carriage
  511.2           ... (3 indent ) With retraction of carbon paper for reuse thereof (e.g., by slidable carrier)
  511.3           .... (4 indent ) Carbon paper rewound for retraction
  511.4           ....• (5 indent ) By driving carbon paper roll directly from platen (e.g., by endless band)
  512           .. (2 indent ) And support for roll of record-medium
  513           . (1 indent ) Including relative movement between carbon paper and record-medium
  514           .. (2 indent ) Including positioning of auxiliary record-medium
  515           .. (2 indent ) Including front insertion of carbon paper or record-medium
  516           .. (2 indent ) By simultaneously advancing record-medium and retracting carbon paper
  517           .. (2 indent ) By means to arrest advance of carbon paper
  518           .. (2 indent ) Carbon paper carrier(s) respositionable relative to platen
  518.1           ... (3 indent ) Plural carriers disposed side-by-side for selective use singly or simultaneously
  518.2           ... (3 indent ) Plural carries for serial retraction of plural carbon papers
  518.3           ... (3 indent ) With means to imprint selectively on one or more media (e.g., by holding selected media away from print-line)
  518.4           ... (3 indent ) Including retraction of carbon paper and record-medium and subsequent advance of record-medium
  519           ... (3 indent ) Carbon paper carrier movable rectilinearly
  519.1           .... (4 indent ) With means to hold record-medium against retraction
  519.2           .... (4 indent ) Including means to reduce binding of carbon paper during retraction
  519.3           ....• (5 indent ) Including lifting of platen for retraction of carrier
  519.4           ....• (5 indent ) With guard over settable parts (e.g., denominational jacks, etc.)
  519.5           ....• (5 indent ) With relative movement betweem record media (e.g., for condensed-billing, etc.)
  519.6           .... (4 indent ) With support or guiding or positive-driving structure for carrier (e.g., table, adjustable stop, etc.)
  519.7           ... (3 indent ) Carbon paper carrier on endless member
  520           . (1 indent ) Carbon paper holder (e.g., loading board, etc.)
  521           FOR TYPING ON CARD IN CARD HOLDER
  522           . (1 indent ) Flexible holder fed around platen with single card
  523           . (1 indent ) On card pierced or indented to aid holding
  524           . (1 indent ) Holder movable responsive to case-shift
  525           . (1 indent ) Card holder carrier by platen
  526           .. (2 indent ) And actuated in response to platen rotation
  527           .. (2 indent ) With platen surface modified for card
  527.1           ... (3 indent ) Including card gripper on platen
  527.2           ... (3 indent ) Including axially extending slot or hollow in platen
  528           .. (2 indent ) Holder attached via detachable arms at ends of platen
  529           .. (2 indent ) Holder attached via pins on holder or via adhesive attachment
  530           .. (2 indent ) Holder attached via element (e.g., band) gripping platen periphery
  531           . (1 indent ) Including line-spacing of holder or card
  532           .. (2 indent ) Variable line-spacing (e.g., platen creep)
  533           .. (2 indent ) In a curvilinear path
  534           .. (2 indent ) By pinion and rack
  535           . (1 indent ) Including support engaging bottom edge of card
  536           . (1 indent ) Card holder mounted on typewriter frame
  537           .. (2 indent ) Including means enabling movement of card relative to holder
  538           .. (2 indent ) Transparent card holder
  539           .. (2 indent ) Including finger movable away from holding position
  540           ... (3 indent ) Spring urged to holding position
  541           . (1 indent ) Including a feed-roller
  542           . (1 indent ) Card holder mounted on platen-carriage frame
  543           . (1 indent ) Including gripper or means urging card against platen
  544           . (1 indent ) Backing for stencil cutting (e.g, CELLULOID™ strip, etc.)
  545           FOR LINE-SPACING BY INCREMENTAL ROTATION OF PLATEN
  546           . (1 indent ) To facilitate condensed billing (i.e., by determining a desired limit or amount of retrograde or advance platen movement)
  547           .. (2 indent ) Including stop structure (e.g, traveling stop, etc.)
  547.1           ... (3 indent ) For arresting platen at limit of both retrograde and advance movement
  547.2           .... (4 indent ) By stop travelling in a rectilinear path
  547.3           .... (4 indent ) By lever or push-rod drive for platen
  547.4           ....• (5 indent ) Via gear drive
  547.5           ....•. (6 indent ) Including lever on axis transverse to platen axis
  547.6           ....•. (6 indent ) Including relatively adjustable coaxial gear segments
  547.7           ....• (5 indent ) Via pawl and ratchet wheel drive
  547.8           ....•. (6 indent ) With spring motor
  548           .. (2 indent ) With graduated scale (e.g., on drum periphery)
  549           . (1 indent ) Actuated by key on key-board
  550           . (1 indent ) For multi-incremental rotation (e.g., "platen sweep")
  551           . (1 indent ) For line-spacing in forward or reverse direction
  552           . (1 indent ) With "floating" platen
  553           . (1 indent ) Via line-space / carriage-feed-release actuator
  554           . (1 indent ) For facilitating even wear of platen surface (e.g., by irregular increments, etc.)
  555           . (1 indent ) By irregular increments of platen rotation (e.g., for adjustment of platen relative to its actuator, etc.)
  556           .. (2 indent ) Including disconnecting ratchet wheel from platen (e.g., declutching ratchet, etc.)
  556.1           ... (3 indent ) Via relatively displaceable pin and slot members
  556.2           ... (3 indent ) Via toothed ring and locking member(s)
  556.3           .... (4 indent ) Including pivotable locking member(s)
  556.4           .... (4 indent ) Including radially displaceable locking member(s)
  557           ... (3 indent ) Via ball or roller clutching member(s)
  558           ... (3 indent ) Via binding jaws gripping annular flange between jaws
  559           ... (3 indent ) Via friction plate members engageable by axial displacement (e.g., pressure plate, etc.)
  559.1           .... (4 indent ) Friction members have cooperating conical surfaces
  560           ... (3 indent ) Via frictional engagement of periphery of cylindrical member
  560.1           .... (4 indent ) Friction member(s) acting on inner periphery of drum
  560.2           ....• (5 indent ) Pivotable member(s)
  561           ....• (5 indent ) Expandable band or split ring
  562           .. (2 indent ) Including settable stops
  563           .. (2 indent ) Including plural detents selectively engageable with ratchet wheel
  564           .. (2 indent ) Including a drive member engageable with line-space ratchet wheel
  564.1           ... (3 indent ) Via displaceable detent
  565           .. (2 indent ) Detent-release structure
  566           ... (3 indent ) With friction brake for platen
  566.1           ... (3 indent ) With simultaneous disengagement of drive pawl
  567           .. (2 indent ) Including gear (e.g., differential gear, etc.) structure
  568           . (1 indent ) By electric-power drive
  569           . (1 indent ) By gear train (e.g., including a clutch)
  570           . (1 indent ) By double-cam drive
  571           . (1 indent ) By friction drive (e.g., including regulation of increments)
  572           . (1 indent ) By pawl and ratchet wheel drive
  573           .. (2 indent ) Including rectilinearly movable pawl
  573.1           ... (3 indent ) And resilient drive
  574           .. (2 indent ) Including pawl carrier coaxial with ratchet wheel
  574.1           ... (3 indent ) And means to regulate pawl engagement or drive
  575           .. (2 indent ) Including means to regulate pawl engagement or drive
  575.1           ... (3 indent ) By movable ratchet-wheel shield
  575.2           ... (3 indent ) By stop adjustable to limit movement of actuator
  576           . (1 indent ) Via foldable line-space actuator
  577           . (1 indent ) With means to prevent reverse rotation or ensure full increment (e.g., for "backlash" prevention)
  578           SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM)
  579           . (1 indent ) Including skew correction responsive to position of sheet or web
  580           . (1 indent ) Including forming indicia on record-medium during typing to find next line to be typed
  581           .. (2 indent ) To find last-produced slit or hole or notch in sheet
  582           . (1 indent ) Including programmed-control-system for record-medium feed (e.g., on auxiliary record)
  583           .. (2 indent ) For web record-medium
  583.1           ... (3 indent ) Program on auxiliary-record tape
  583.2           ... (3 indent ) Program is indicia on rotatable disc or drum
  583.3           ... (3 indent ) Program is indicia on record-medium
  583.4           ... (3 indent ) Including plural speed record-medium feed
  584           . (1 indent ) Including feed of plural record-media arranged side-by-side (e.g., fed independently of platen)
  585           .. (2 indent ) By divided platen
  585.1           ... (3 indent ) With positive clutch for simultaneous rotation of platen sections
  586           . (1 indent ) Including feed of tally strip record-medium (e.g., plural tally strips)
  587           .. (2 indent ) And feed of endless transfer-medium
  588           .. (2 indent ) On plural-platen (e.g., divided platen) typewriter
  589           .. (2 indent ) With locking or interlocking mechanism (e.g., line lock, etc.)
  590           .. (2 indent ) Including feed varied for amount of tally strip on spool
  591           .. (2 indent ) Including tally-strip feed transverse to feed of main record-medium
  592           .. (2 indent ) Including feed independent of platen
  593           .. (2 indent ) With cutting or spring tensioning of tally strip
  594           .. (2 indent ) Including structure or mounting or adjustment of tally-strip roll
  594.1           ... (3 indent ) And roll for transfer-medium
  595           . (1 indent ) Including insertion of sheet from front of platen (e.g., for "condensed billing", via sheet guide, etc.)
  596           .. (2 indent ) Including feed responsive to presence of sheet
  597           .. (2 indent ) With subsequent line-spacing independent of platen
  598           .. (2 indent ) With digitally selected, typewriter-actuated feed to selected line to be typed (e.g., via "dialing" disc, etc.)
  599           .. (2 indent ) Insertion of sheet relative to other record-medium
  599.1           ... (3 indent ) With sheet-associating attachment (e.g., collating-table, etc.)
  600           .. (2 indent ) Via feed throat having gate (e.g., actuated by power, etc.)
  600.1           ... (3 indent ) With platen repositioned for sheet insertion
  600.2           ... (3 indent ) With feed-roller repositioned for sheet insertion
  600.3           .... (4 indent ) And sheet feed by additional feed-roller couple
  600.4           .... (4 indent ) Coincident to pivoting of sheet guide
  601           .. (2 indent ) With laterally movable sheet holder (e.g., having concurrent feed movement)
  602           .. (2 indent ) With sheet ejector
  603           .. (2 indent ) Via chute(s) or feed-roller couple (e.g., plural chutes)
  603.1           ... (3 indent ) Pivotable chute
  604           .. (2 indent ) Attachment to typewriter for converting to condensed-billing operation
  605           . (1 indent ) For feeding plural record media concurrently or selectively
  606           .. (2 indent ) Plural webs superimposed and aligned to each other during typing
  607           .. (2 indent ) Including movement of one record-medium relative to another
  607.1           ... (3 indent ) In lateral direction (e.g., lateral shift of web or sheet carrier)
  607.2           ... (3 indent ) By insertion of additional record-medium
  607.3           ... (3 indent ) With concurrent feed-roller and line-spacing control
  608           ... (3 indent ) With clamp for holding one record-medium stationary
  608.1           .... (4 indent ) Selectively engageable feed-rollers or feed-roller brakes
  608.2           ... (3 indent ) By auxiliary feed-roller or platen section (e.g., separate feed of sheets)
  608.3           ... (3 indent ) By retrograde movement of one record-medium
  608.4           ... (3 indent ) Including differential movement by separate drive means
  609           .. (2 indent ) Mount for plural web rolls
  610           .. (2 indent ) Including sheet-associating attachment (e.g., pin-band-encircling platen)
  610.1           ... (3 indent ) With table or frame (e.g., collating-table)
  610.2           .... (4 indent ) Front collating-table with sheet-holding means (e.g., clamps)
  610.3           ....• (5 indent ) Including pin-holding means
  610.4           ....• (5 indent ) Including indicator
  611           . (1 indent ) For feeding web record-medium
  612           .. (2 indent ) Feeding web or sheet in perpendicular directions
  613           .. (2 indent ) With web supply or takeup or mount therefor (e.g., web cartridge, etc.)
  613.1           ... (3 indent ) Including insertion of leading edge of web
  613.2           ... (3 indent ) For folded or creased web (e.g., fan-folded web)
  613.3           .... (4 indent ) With web smoother
  613.4           .... (4 indent ) Holder for fan-folded web mounted to move with carriage
  614           ... (3 indent ) Including web rewind
  614.1           .... (4 indent ) Connected to platen drive
  615           ... (3 indent ) Mounted on typewriter having transversely moving carriage
  615.1           .... (4 indent ) Mounted to move with carriage
  615.2           ... (3 indent ) For feeding tape in direction of print-line (i.e., transverse feed)
  616           .. (2 indent ) By pin-feed means (e.g., reciprocating pin, etc.)
  616.1           ... (3 indent ) Including laterally adjustable bands (e.g., tractor feed, etc.)
  616.2           ... (3 indent ) Pin feed on endless band
  616.3           ... (3 indent ) Pin wheel (e.g., on platen cylinder)
  617           .. (2 indent ) By friction-feed means (e.g., reciprocating finger or gripper or pinch roller, etc.)
  618           .. (2 indent ) With web tensioning or braking
  619           .. (2 indent ) Including web guiding or aligning (e.g., laterally, relative to print-line, etc.)
  620           .. (2 indent ) Including web shifting to view print-line
  621           .. (2 indent ) With web cutter (e.g., tear bar, wire tool, etc.)
  621.1           ... (3 indent ) For longitudinal cut
  621.2           ... (3 indent ) And gauge for tear-off length
  622           . (1 indent ) With holder for single sheet (e.g., clip, backing sheet, etc.)
  623           .. (2 indent ) Mounted on carriage (e.g., for extra-wide sheet, cylindroidal holder, etc.)
  624           . (1 indent ) For feeding sheet from stack or pack holder
  625           .. (2 indent ) And delivering to sheet receiver (e.g., by roller couple)
  626           .. (2 indent ) By engaging between flap and body of envelope
  627           .. (2 indent ) By pneumatic means
  628           .. (2 indent ) By reciprocating of oscillating member
  629           .. (2 indent ) By endless-band or rotating (e.g., feed-roller) member
  630           . (1 indent ) Including aligning of sheet edge prior to typing
  631           .. (2 indent ) Aligner moved to operate concurrently with disengagement of feed means
  632           .. (2 indent ) Including leading-edge aligner located past print-point
  632.1           ... (3 indent ) Adjustable leading-edge aligner
  633           .. (2 indent ) Side-edge aligner (e.g., adjustable, etc.)
  633.1           ... (3 indent ) On rear sheet table or apron
  633.2           .... (4 indent ) Adjustable aligner (e.g., with lock)
  634           . (1 indent ) Including friction-feed means (e.g., band)
  635           .. (2 indent ) By endless-feed band
  636           .. (2 indent ) By roller couple (e.g., rotatable pinch rollers, etc.)
  636.1           ... (3 indent ) With typewriter-actuated control of feed-roller position
  636.2           ... (3 indent ) Including intermediate drive means (e.g., gears) connecting feed-roller to platen
  636.3           ... (3 indent ) Including feed-roller having equalizing or pressure-adjusting means
  637           ... (3 indent ) Including lower feed-roller(s) (e.g., pressure roller, etc.)
  637.1           .... (4 indent ) Including concurrent control for disengagement of upper and lower feed rollers
  637.2           .... (4 indent ) Mounted on apron
  637.3           .... (4 indent ) Mounted on plural roller carriers
  637.4           ....• (5 indent ) Including plural parallel carrier pivots
  637.5           ....• (5 indent ) Including single carrier pivot intermediate front and rear lower feed rollers
  637.6           .... (4 indent ) Mounted on single carrier having pivot intermediate front and rear lower feed-rollers
  638           ... (3 indent ) Including feed or pressure roller mounted on "paper-finger"
  639           ... (3 indent ) Including upper feed-roller(s) (e.g, pressure roller, etc.)
  639.1           .... (4 indent ) Mounted on "paper bail"
  639.2           ....• (5 indent ) Disengaged from platen by compound movement of bail (e.g., on double pivoted mount)
  640           ... (3 indent ) With cooperating scale
  641           ... (3 indent ) Feed-roller structure or brake or spacer therefor
  642           . (1 indent ) Including sheet guide (e.g., for sheet insertion, etc.)
  643           .. (2 indent ) Platen-encircling band
  644           .. (2 indent ) Sheet stripper (e.g., for preventing reentry, etc.)
  645           .. (2 indent ) Sheet holddown member (e.g., "paper-finger", end-of-page holddown, etc.)
  645.1           ... (3 indent ) With aperture or notch (e.g., for typing therethrough, etc.)
  645.2           ... (3 indent ) On or with erasing plate or signal or indicator
  645.3           ... (3 indent ) Movably mounted on movable finger carrier
  645.4           ... (3 indent ) Pivotally mounted holddown
  645.5           ... (3 indent ) Mounted in front of platen axis
  646           .. (2 indent ) Sheet table at delivery side of platen
  647           .. (2 indent ) Movable sheet table or apron (e.g., detachable, extensible, etc.)
  647.1           ... (3 indent ) Pivotable (e.g., fingerlike support)
  648           PLATEN OR PLATEN-MOVING MECHANISM
  649           . (1 indent ) For movement of platen other than for line-spacing
  650           .. (2 indent ) Cylindrical platen adjustable to facilitate compactness
  651           .. (2 indent ) Cylindrical platen axially adjustable
  652           .. (2 indent ) Platen movment conjointly with type-face movement
  653           .. (2 indent ) By eccentric mounting for platen
  654           . (1 indent ) Character-size platen (e.g., anvil, disc, etc.)
  655           .. (2 indent ) Mounted on movable carrier
  656           . (1 indent ) Bar (i.e., line size) platen
  657           .. (2 indent ) Mounted on cylindrical member
  658           . (1 indent ) Semicylindrical platen
  659           . (1 indent ) Cylindrical platen
  660           .. (2 indent ) Detachably secured to platen carriage
  660.1           ... (3 indent ) By axially displaceable supporting shaft
  660.2           ... (3 indent ) By pivoted member overlying platen shaft
  660.3           ... (3 indent ) By disengageable platen sectors
  661           .. (2 indent ) With sound-muffling means
  661.1           ... (3 indent ) Including plural layers of varying hardness
  661.2           ... (3 indent ) Including cylinder containing fluent (e.g., fluid, etc.) material
  661.3           ... (3 indent ) Including cylindrical sections or rings (e.g., of character-space width)
  661.4           ... (3 indent ) Including a wound member
  662           .. (2 indent ) Including particular surface characteristic (e.g., translucent, pigment yielding, corrugated, of varying hardness, etc.)
  663           LOCKING OR INTERLOCKING MECHANISM
  664           . (1 indent ) For interlocking plural functions or mechanisms
  665           .. (2 indent ) Plural carriage-moving mechanisms (e.g., escapement, tabulation, etc.)
  666           .. (2 indent ) Plural keys or key linkages (e.g., for type-face selection, etc.)
  667           . (1 indent ) Key-board lock using interlock mechanism
  668           . (1 indent ) Locking means actuated in response to a condition
  669           .. (2 indent ) Failure of power supply
  670           .. (2 indent ) End-of-page lock (e.g., responsive to preset condition)
  670.1           ... (3 indent ) Responsive to end-of-page sensor
  670.2           ... (3 indent ) Including lock for platen or line-space
  670.3           .... (4 indent ) By cam groove and follower
  671           .. (2 indent ) End of maximum typed line
  671.1           ... (3 indent ) Actuated by space-bar
  671.2           ... (3 indent ) Universal-bar lock (e.g, pivoted latch, slidable latch, etc.)
  671.3           .... (4 indent ) Actuated by paper-finger
  671.4           .... (4 indent ) Interposed component
  672           ... (3 indent ) Escapement lock
  672.1           ... (3 indent ) Type-bar lock
  672.2           ... (3 indent ) Key-lever lock (e.g., by hook on key-lever)
  673           .. (2 indent ) Coin-controlled lock (e.g., responsive to print-lines, time, etc.)
  674           . (1 indent ) For locking carriage in centered position (e.g., with shipping support)
  675           .. (2 indent ) And disengaging case-shift lock
  676           . (1 indent ) Key-board security lock (e.g., cover plate, etc.)
  677           . (1 indent ) For locking selected group(s) of keys
  678           . (1 indent ) For locking key in actuated position (e.g., to remove type-face from ink pad)
  679           MEANS AUXILIARY TO TYPEWRITING FUNCTION
  680           . (1 indent ) Means for collapsing typewriter or support for record-medium or copy
  681           .. (2 indent ) By tilting typewriter (e.g., via collapsible legs, etc.)
  682           .. (2 indent ) By moving key-board relative to frame (e.g., into plural operating positions, etc.)
  683           .. (2 indent ) By moving carriage relative to frame
  684           .. (2 indent ) By moving type-bars relative to frame
  685           .. (2 indent ) Including typewriter built into carrying case
  686           . (1 indent ) Buffer (e.g., dashpot, of particular material, etc.) for movable typewriter element
  687           .. (2 indent ) Having nonimpact movement
  688           . (1 indent ) Means for increasing typewriter noise
  689           . (1 indent ) Means for muffling typewriter noise
  690           .. (2 indent ) By sound-barrier enclosure for typewriter (e.g., by sound-absorbing material)
  690.1           ... (3 indent ) With viewing window (e.g., having reflection eliminator)
  690.2           .... (4 indent ) And externally protruding (e.g., key-board, etc.) operating means
  690.3           ... (3 indent ) With externally protruding operating means
  690.4           ... (3 indent ) Including means facilitating opening of enclosure
  691           . (1 indent ) Frame, casing, or support for typewriter
  692           .. (2 indent ) Having means facilitating interchange of parts
  693           .. (2 indent ) Housing structure
  693.1           ... (3 indent ) For ink-ribbon spool (e.g., spool cover, etc.)
  694           .. (2 indent ) Made of particular material (e.g., plastic, etc.)
  695           . (1 indent ) Means for correcting typing errors (e.g., by abrasive eraser, etc.)
  696           .. (2 indent ) By laser beam or adhesive-surface ribbon or chemical eradicator
  697           .. (2 indent ) By overprinting (e.g, with coated material) to cancel error
  697.1           ... (3 indent ) With drive for ribbon having coating thereon
  698           .. (2 indent ) With erasing table
  699           .. (2 indent ) With receptacle for refuse
  700           .. (2 indent ) With means for rubbing eraser over surface of record-medium
  701           . (1 indent ) Means for cleaning, or facilitating cleaning of, type-face
  702           .. (2 indent ) By contacting type-face (e.g., via type-face cleaner, brush, etc.)
  702.1           ... (3 indent ) Including means for moving brush
  703           . (1 indent ) Indicator means
  704           .. (2 indent ) For indicating typist's skill or needed adjustment
  705           .. (2 indent ) For indicating position of carriage along print-line
  705.1           ... (3 indent ) Of carriage for type-head-carrier
  705.2           ... (3 indent ) With word counter
  705.3           ... (3 indent ) By means driven from carriage (e.g., for indicating end of print-line, etc.)
  705.4           ... (3 indent ) Scale for facilitating tabulation
  705.5           ... (3 indent ) Scale for facilitating centering of print-line
  706           .. (2 indent ) For indicating position of line or end-of-page
  706.1           ... (3 indent ) By scale mounted on paper table
  707           ... (3 indent ) By means driven from platen cylinder
  707.1           .... (4 indent ) Drive initiated by detector of record-medium
  707.2           .... (4 indent ) Including relatively movable pointer and scale (e.g., rotatable or rectilinearly movable pointer)
  707.3           ....• (5 indent ) Scale rotated by gear drive
  707.4           ....• (5 indent ) Rotatable scale coaxial with platen cylinder
  707.5           .... (4 indent ) With line numbering
  708           ... (3 indent ) Including detector of record-medium
  708.1           .... (4 indent ) Having electrical contacts separated by record-medium
  709           .. (2 indent ) For aligning record-medium with print-point or print-line (e.g., for facilitating correction of error, etc.)
  709.1           ... (3 indent ) By transparent indicator
  709.2           ... (3 indent ) For indicating print-line alignment
  710           .. (2 indent ) Including a page counter
  711           .. (2 indent ) Including a light
  712           .. (2 indent ) Including means producing an audible sound (e.g., plural tones, etc.)
  713           . (1 indent ) Attachment for shielding or screening record-medium or typewriter (e.g., against wind, etc.)
  714           .. (2 indent ) For screening key-board
  715           . (1 indent ) Attachment for guiding fingers or hands of typist (e.g., hand rest)
  716           . (1 indent ) Attachment for illuminating or viewing (e.g., prism, etc.)
  717           . (1 indent ) Attachment for holding an article (e.g., pencil, eraser, etc.)
  718           .. (2 indent ) Copyholder
  718.1           ... (3 indent ) Actuated by typewriter (e.g., to simulate line-spacing, for web copy, etc.)
  718.2           .... (4 indent ) With adjustment of line-spacing
  719           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           CHEMICAL-SYMBOL CHARACTER
  901           CONTINUOUSLY ROTATING TYPE-HEAD
  902           STEPPING-MOTOR DRIVE FOR WEB FEED
  903           STEPPING-MOTOR DRIVE FOR CARRIAGE FEED
  904           SUBSCRIPT OR SUPERSCRIPT CHARACTER
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS


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This data is current as of June/2006