| Class 400 | TYPEWRITING MACHINES |
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![[List of Pre Grant Publications for class 400 subclass 1]](../as.gif) | ![[List of Patents for class 400 subclass 1]](../ps.gif) | 1 | INCLUDING JUSTIFICATION OR QUADDING OF PRINT-LINE |
| | 2 |  Including quadding of print-line |
| | 3 | By programmed-control-system |
| | 8 | By using "no-print" device |
| | 9 | By interword or intercharacter spacing |
| | 10 |  Variable carriage-feed mechanism |
| | 11 | Carriage slidable relative to its carriage-rack |
| | 12 | By interword spacing only |
| | 14 | By typing line on stretchable medium |
| | 15 | Including justification indicator |
| | 16 | FOR TYPING OR FORMING CONTINUOUS OR DISCONTINUOUS LINE (E.G., BY "LINER") |
| | 17 | Including programmed-control-system |
| | 18 | By scriber (e.g., pen, pencil, etc.) or with scriber guide |
| | 21 | Responsive to carriage movement |
| | 22 | Underscoring concurrently with character imprinting |
| | 23 | FOR TYPING ON FLAT RECORD-MEDIUM OR AGAINST FLAT PLATEN |
| | 24 | For typing on a book |
| | 25 | Including a type-head (e.g., cylinder, disc, etc.) |
| | 26 | Against cylindrical backing |
| | 27 | Including adjustment of typewriter relative to book (e.g., to compensate for book thickness) |
| | 28 | Including adjustment of book support relative to typewriter (e.g., for top or bottom of book, etc.) |
| | 29 | For typing on flat blueprint or drawing (e.g., "platenless" typewriter) |
| | 30 | For typing on carton or package |
| | 31 | By multidirectional movement of typewriter structure (e.g., "Elliot-Fisher" structure) |
| | 32 | Bottom-strike typewriter including type-bar action or bar platen or anvil platen |
| | 33 | Top-strike typewriter including pivoted type-bar |
| | 34 | Including carriage-return mechanism |
| | 35 | Including case-shift by shifting platen |
| | 36 | Including ribbon-feed mechanism |
| | 37 | For typing on manifold set (e.g., with type-die, etc.) |
| | 38 | Including feeding of wide carbon paper transverse to feed of record-medium |
| | 39 | Including spool for roll of carbon paper |
| | 40 | Including clamp or guide for carbon paper |
| | 41 | Including adjustment of platen perpendicular to its surface |
| | 42 | Including aligning and feeding manifold set |
| | 43 | Including feed of tally strip |
| | 44 | Including line-spacing mechanism |
| | 45 | Platen shifted for line-spacing |
| | 46 | Including adjustment of line-space distance or increment |
| | 47 | Including disengagement of line-spacing mechanism |
| | 48 | Work support (e.g, sheet or card holddown or guide, sheet-size platen, etc.) |
| | 49 | Collating-table attachment |
| | 50 | INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER |
| | 51 | Delay of sequential character rate in programmed-control typewriter |
| | 52 | 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 | Responsive to thickness of record-medium |
| | 57 | In accordance with the number of sheets of record-medium |
| | 58 | By adjustment of platen relative to carriage |
| | 59 | By adjustment of carriage (e.g, carriage-guide rollers) |
| | 61 | INCLUDING CONTROL OF FORMAT AND SELECTION OF TYPE-FACE BY PROGRAMMED CONTROL-SYSTEM (E.G., INPUT TYPEWRITER) |
| | 62 | Including means for responding to input program or incoming signals and providing output program or signals representing typing operations (e.g., output typewriter) |
| | 63 | Including editing or revision system |
| | 64 | Including right-hand margin control system |
| | 65 | Including typing of graphical representations |
| | 66 | Including baseplate attachment with electromagnets for input or output operations |
| | 67 | Separate interrelated programs |
| | 69 | Type-face selection via magnetic program tape |
| | 70 | INCLUDING SELECTION OF TYPE-FACE BY PROGRAMMED-CONTROL-SYSTEM OR BY REMOTE CONTROL |
| | 71 | Plural typewriters coupled for simultaneous operation (e.g., "master-slave" relationship) |
| | 72 | Including character-selection latches (e.g., for type-face selection) |
| | 73 | Including particular reader structure and operation |
| | 74 | Including error detection |
| | 75 | Including type-bar selection using mechanical program |
| | 76 | INCLUDING CONTROL OF FORMAT BY PROGRAMMED-CONTROL-SYSTEM |
| | 77 | TYPEWRITER CONTROLS OTHER INFORMATION RECORDER |
| | 78 | Typewriter controls apparatus used for accounting function |
| | 80 | Typewriter (e.g, output typewriter) controls tape-punch or card-punch apparatus |
| | 82 | INCLUDING PLURAL, INDEPENDENTLY SUPPORTED KEY-BOARDS, PLATENS, OR TYPE-SET ASSEMBLAGES |
| | 83 | DISPLAYING TYPEWRITER-FORMED REPRESENTATION OF PRINT-LINE |
| | 86 | OPERATING BY SOUND |
| | 87 | FOR OPERATION BY HANDICAPPED USER |
| | 88 | POCKET TYPEWRITER |
| | 89 | KEY REASSIGNMENT |
| | 91 | STENOGRAPHIC TYPEWRITER |
| | 95 | LOGOTYPE TYPEWRITER (E.G., WORD TYPING) |
| | 96 | Including date-stamp type-face |
| | 97 | Including signature type-face |
| | 98 | Actuation of single key types plural characters |
| | 100 | PLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD) |
| | 101 | Having type-faces disposed on pivotable type-bars |
| | 102 | Having type-faces disposed on rotatable type-head |
| | 103 | CODE-PRINTING TYPEWRITER (E.G., FOR PRINTING A PATTERN OR MARK) |
| | 104 | For typing and encoding |
| | 106 | Including coded ink (e.g., phosphorescent or color-coded ink, etc.) |
| | 107 | For coding by conductive mark |
| | 108 | For marking laundry |
| | 109 | FOREIGN LANGUAGE OR BRAILLE TYPEWRITER |
| | 112 | ANNULAR TYPEWRITER (E.G., FOR TYPING AROUND CIRCUMFERENCE OF PLATEN) |
| | 113 | Including vertically disposed platen |
| | 114 | Platen axis horizontal and extending front-to-rear |
| | 115 | Powered Actuated |
| | 116 | MUSIC-ROLL OR MUSICAL-NOTATION TYPEWRITER |
| | 118.1 | TYPING BY HEATED DIE |
| | 118.2 | TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE |
| | 118.3 | Electroconductive transfer |
| | 120.01 | Thermal |
| | 120.02 | Multicolor |
| | 120.03 |  Having multilayered colored transfer material |
| | 120.04 | Having single layer colored transfer material |
| | 120.05 | Block driving |
| | 120.07 | Gradational recording |
| | 120.08 | Preheating |
| | 120.09 | Density control |
| | 120.1 | By number of heated recording elements |
| | 120.11 | In accordance with output characteristic of recording elements |
| | 120.12 | By voltage regulation |
| | 120.13 | By transfer material or record receiver |
| | 120.14 | In accordance with temperature of the recording means |
| | 120.15 | By history of recording elements |
| | 120.16 | Recording means support or actuator |
| | 120.18 | Pre- or post-image recording treatment |
| | 124.01 | Character formation by impact (e.g., wire matrix) |
| | 124.02 | With signal conditioning |
| | 124.03 | Overheat protection |
| | 124.04 | Responsive to impact member position |
| | 124.05 | Control of drive force |
| | 124.07 | With wear or defect compensation |
| | 124.08 | Plural printheads |
| | 124.1 | With inking |
| | 124.11 | Printhead |
| | 124.12 | Having assembly means |
| | 124.13 | Overheat protection |
| | 124.14 | With actuator |
| | 124.15 |  Single actuator for simultaneous actuation of plural impact members |
| | 124.16 | Electrostrictive, magnetostrictive, or piezoelectric |
| | 124.17 | Actuator having electromagnet |
| | 124.24 | Impact member guide |
| | 124.28 | Impact member tip arrangement |
| | 124.29 | Impact member structure |
| | 127 | TYPING TO PRODUCE EMBOSSED CHARACTER |
| | 128 | Character embossed or typed on nonplanar article (e.g., golf ball, toothbrush, etc.) |
| | 129 | By type-die mounted on carrier movable for selection of character |
| | 135 | TYPING TO PRODUCE PIERCED CHARACTER |
| | 136 | Cutout character for stencil |
| | 137 | Check-protection character |
| | 139 | INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE |
| | 140 | Including type-faces movable relative to type-face-carrier |
| | 141 | Slidable type-faces mounted on reciprocable carrier |
| | 142 | Slidable type-faces on rotatable carrier |
| | 143 | Rotatable type-face carrier including type-faces on pivotable arms |
| | 144 | Type-face-carrier including type-faces on flexible arms |
| | 145 | Type-faces on deformable type-face-carrier |
| | 146 | Including endless-band carrier for type-faces |
| | 147 | Type-faces arranged in rectilinear row and selected by reciprocable movement |
| | 149 | Plural type-heads mounted for selective individual type-head-imprinting movement |
| | 150 | Type-heads arranged for selective individual imprinting movement away from coaxial rest position |
| | 151 | Turret carrier for type-heads |
| | 152 | Type drum having multiple type-set-assemblages |
| | 153 | Imprint by movement of record-medium against type-face |
| | 154 | By hammer impacting record-medium against type-face on type-head (e.g., type shuttle, etc.) |
| | 154.1 | Including selection of type-face |
| | 154.2 | Via pulley and cord arrangement (e.g., summing displacements) |
| | 154.3 | By shortest peripheral path |
| | 154.4 | Via coded disc in electric or magnetic circuit (e.g, photoelectric) |
| | 154.5 | Via stepping motor responsive to selection |
| | 155 | Via electrical or electromagnetic means |
| | 156 | Via helical arrangement of projections |
| | 156.1 | Via mechanically permutated bar(s), disc(s), or plate(s) |
| | 156.2 | Via planetary gear arrangement |
| | 157 | Including type-faces arranged along helical path(s) |
| | 157.1 | Including particular structure of hammer(s) |
| | 158 | Including platen for moving record-medium against type-face and mechanism for feeding record-medium |
| | 159 | Including platen for moving record-medium against type-face and mechanism for inking type-face |
| | 160 | Imprint by pivoting of type-head-carrier and type-head against record-medium |
| | 161 | Type-head-carrier movable on movable carriage |
| | 162 | Type-head movable for selection of type-face |
| | 162.1 | Via pulley and cord arrangement |
| | 162.2 | Via shortest peripheral path |
| | 162.3 | Via coded disc in electric or magnetic circuit (e.g., photoelectric) |
| | 163 | Via stepping motor responsive to selection |
| | 163.1 | Via electrical or electromagnetic means |
| | 163.2 | Including electromagnetically actuated type-head movement toward record-medium |
| | 163.3 | Including plural-function actuation by electromagnet(s) |
| | 164 | Via helical arrangement of projections |
| | 164.1 | Via pneumatic actuation |
| | 164.2 | Via setting elements actuating selector-command member(s) |
| | 164.3 | Control arm connected to selection gear and movable to engage key-lever actuated abutment |
| | 164.4 | Via stop pins actuatable by key-board |
| | 164.5 | Toothed member connected to selection gear and slidable by key-lever movement |
| | 164.6 | Selection gear rotated by key-lever movement |
| | 165 | Simultaneous rotation and translation of type-head by manually powered actuation (e.g., helical shift) |
| | 165.1 | Via manually powered actuation other than by key-board (e.g, stylus selection) |
| | 166 | Including impact control |
| | 167 | Including rebound control |
| | 168 | Articulated-support joint |
| | 169 | Detenting to fix type-head for imprinting |
| | 170 | Including movable printing anvil within type-head |
| | 171 | Plural type-set-assemblages selectively movable from a storage station to a printing station |
| | 172 | Type-faces mounted on type chips and removable from storage for printing |
| | 173 | With means for exposing last-typed character |
| | 174 | Type-head, per se |
| | 176 | HAVING FLUID-PRESSURE POWER DRIVE |
| | 177 | Including pneumatic decoder for perforated tape |
| | 178 | For producing typewriter-control tape (e.g., perforated tape, etc.) |
| | 179 | For type-face selection or choice |
| | 180 | Including key-board driven by external pneumatic source |
| | 181 | By pneumatic actuation of type-face or type-bar |
| | 182 | For movement of carriage or platen |
| | 184 | HAVING TYPEWRITER-CONTROLLED RECIPROCABLE ELECTROMAGNETIC DRIVE FOR PLURAL FUNCTIONS IN SAME TYPEWRITER |
| | 185 | HAVING POWER-DRIVEN OPERATOR FOR PLURAL FUNCTIONS |
| | 186 | Via continuously rotated power roll selectively connected to operate |
| | 187 | Usable selectively (e.g., for powered or manual operation, alternative usable functions, etc.) |
| | 188 | FOR TYPING ON REVERSE SURFACE OF RECORD-MEDIUM |
| | 191 | INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM |
| | 192 | Moved by continuously rotating power drive intermittently applied |
| | 193 | Inking device handheld during typing |
| | 194 | Endless ribbon or cartridge therefor |
| | 197 | Renovation of used ribbon |
| | 198 | With ink heater (e.g., for melting solid ink) |
| | 199 | By discrete auxiliary band movable with ribbon |
| | 200 | Selectively actuatable re-inker |
| | 201 | Of multicolor ribbon |
| | 202 | Renovator attachable to typewriter for replenishing ribbon ink |
| | 203 | Ribbon disposed within platen |
| | 204 | For typing plural copies simultaneously with ribbon(s) (e.g., duplicate typing) |
| | 205 | Including holder for short length of ribbon |
| | 206 | Using plural ribbons (e.g., additional ribbon(s) |
| | 207 | Package for ribbon facilitating mounting of ribbon on typewriter (e.g., ribbon cartridge) |
| | 209 | For bottom-strike typewriter |
| | 210 | For boldface typing |
| | 211 | Including mechanism for shifting ribbon laterally at print-point |
| | 212 | Via electrically powered actuator |
| | 213 | 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.) |
| | 214 | Plural ribbons shiftable laterally (e.g., by duplicate vibrators) |
| | 215 | By ribbon vibrator |
| | 215.1 | Including vibrator shiftable during use of nonfeed character key (e.g., for typing accent mark, etc.) |
| | 215.2 | With retardation of vibrator return after type-face impact (e.g., with dashpot) |
| | 215.3 | With elevation and holding of vibrator above print-point (e.g., to facilitate ribbon insertion) |
| | 215.4 | With inactivation of vibrator (e.g., for cutting a stencil) |
| | 216 | Including variable throw of vibrator |
| | 217 | To shift impact path (e.g., during ribbon reversal) |
| | 218 | Ribbon-reversing mechanism |
| | 219 | Including means responsive to depletion of ribbon supply |
| | 219.1 | Including an electric switch |
| | 219.2 | Including lever retained in spool by wound ribbon |
| | 219.3 | Including senser for diameter of wound ribbon |
| | 219.5 | Including projection from ribbon |
| | 220 | Alternative pawl-and-ratchet drive including ratchet directly connected to spool or spindle |
| | 220.1 | Including a common pawl member (e.g.. double-toothed pawl) |
| | 220.2 | Including member interposed in pawl drive path |
| | 221 | Alternative gear drive including gear directly connected to spool or spindle |
| | 221.1 | And gears mounted on ends of axially shiftable common shaft |
| | 221.2 | And gears mounted on ends of pivoted common shaft |
| | 222 | Alternative clutch drive including clutch member directly connected to spool or spindle |
| | 223 | Ribbon-feeding mechanism |
| | 224 | For feeding ribbon angularly to print-line at print-point |
| | 225 | Including electrically powered drive means (e.g., solenoid, stepping motor, etc.) |
| | 226 | For feeding ribbon partial character-space before impact and partial character-space after impact |
| | 227 | For narrow carbon ribbon (e.g., carbon ink, "single use", etc.) |
| | 228 | Including pin-feed-engaging ribbon |
| | 229 | Mounted with movable type-face-carrier or type-head-carrier |
| | 230 | With fast rewind of ribbon |
| | 231 | With prevention of ribbon feed (e.g., for nontype operation, etc.) |
| | 232 | Including feed at particular feed rate (e.g., "creep" feed) |
| | 233 | Ribbon feed from supply only during carriage return |
| | 234 | Including ribbon tensioner |
| | 235 | Drive applied by means directly engaging ribbon in advance of takeup |
| | 236 | Drive applied directly to spool or spool spindle |
| | 237 | Ribbon, per se |
| | 238 | Having leader portion (e.g., for threading, etc.) |
| | 239 | With ribbon-reversing indicator or device on ribbon |
| | 240 | Including differently pigmented fields |
| | 240.1 | Including correction-material field |
| | 240.2 | With prevention of bleeding between adjacent fields |
| | 240.3 | Including fields arranged transversely to elongated dimension of ribbon |
| | 240.4 | Including more than two fields |
| | 241 | Particular ribbon material |
| | 242 | Ribbon spool or mount therefor |
| | 243 | Universally adaptable |
| | 244 | Including ribbon-reversing indicator or device on spool or mount |
| | 245 | Including magnetic retainer |
| | 246 | Spool for full-page-wide ribbon |
| | 247 | Means auxiliary to ribbon mechanism (e.g., shield, guide, etc.) |
| | 251 | CASE-SHIFT MECHANISM |
| | 252 | Including programmed-control-system |
| | 253 | Including electronic control or code-bar control |
| | 254 | Controlled by typewriter-actuated mechanism |
| | 255 | Including plural case-shift mechanisms (e.g., for simultaneous or selective use) |
| | 256 | Actuated by toggle-linkage |
| | 257 | For case-shift by type-head (e.g., spherical type-head) movement |
| | 258 | Power-operated mechanism (e.g., for locking shift key) |
| | 261 | Multiple-shift mechanism (i.e., for type-bar having three or more type faces thereon) |
| | 264 | For shifting platen |
| | 265 | Fore-and-aft (e.g., for top-strike or bottom-strike typewriter) |
| | 266 | Mounted on pivotally movable platen carrier |
| | 266.1 | With movement of platen out of typing position |
| | 266.2 | Including adjustable counterbalance spring |
| | 266.3 | Including a yieldable link (e.g., spring, etc.) |
| | 267 | By depression of space-bar |
| | 268 | For shifting type-face or type-bar |
| | 269 | By shifting type-bar or type-face on type-bar |
| | 270 | Mounted on type-bar support (e.g., guide pin, type-bar-segment, etc.) |
| | 271 | By choosing from one of a plurality of type-bars operated by a single key |
| | 272 | Including key attachment for case-shift |
| | 274 | For locking case-shift mechanism in position (e.g., rebound lock, cam, etc.) |
| | 275 | For locking platen in fore-and-aft position (e.g., by overcenter spring, etc.) |
| | 276 | For locking shift-key lever in depressed position |
| | 277 | Including limit stop (e.g., block, chain, etc.) |
| | 279 | CONTROL OF PRINT POSITION ALONG PRINT-LINE BY SIGNAL GENERATED BY PROGRAMMED-CONTROL-SYSTEM |
| | 283 | CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM |
| | 284 | For stopping carriage in tabular position (e.g., column-set positions) |
| | 285 | In denominational positions |
| | 285.1 | And column-set positions |
| | 285.4 | With control of zero or space for decimal point |
| | 285.5 | With reverse-direction movement of carriage |
| | 285.6 | Helically mounted denominational-stop(s) |
| | 286 | Shiftable denominational-stop(s) |
| | 286.3 | With latch or lock means |
| | 287 | Column set by control of mutilated carriage-rack |
| | 288 | Column set by control of tab-rack |
| | 289 | Column set by control of tap-stops or column-stops or counter-stops |
| | 290 | Forward or reverse tabulation |
| | 291 | With impact cushion or rebound check |
| | 292 | With control of carriage velocity |
| | 293 | By multiple-pitch tab-racks or multilated gear |
| | 294 | Stop-setting or stop-clearing mechanism |
| | 294.1 | With stop magazine (i.e., for supply of stops) |
| | 294.2 | With key-locking mechanism |
| | 294.3 | Drum-mounted tab-stops |
| | 295 | Stop setting by linear shift of tab-stop or counter-stop |
| | 296 | Stop setting by movement of tab-rack |
| | 297 | Stop setting by partial rotation of tab stop relative to tab-rack |
| | 297.1 | Stop setting by pivoting pawllike stop |
| | 298 | Tab-stop or tab-rack structure, per se |
| | 299 | With rotatable type wheel for repeat printing in response to carriage movement |
| | 300 | Key-actuated mechanism for nonfeed of carriage (e.g., "silent" key, locking carriage, etc.) |
| | 303 | For varying carriage feed |
| | 304 | For kerning or overlap imprinting |
| | 305 | By force-feed or screw-feed mechanism |
| | 306 | Proportional to variable widths of imprinted characters |
| | 308 | Carriage backspace mechanism |
| | 309 | Backspace proportional to variable width of imprinted characters |
| | 310 | Including powered drive means |
| | 311 | Including pawl and escapement wheel |
| | 312 | Including pawl and escapement rack |
| | 313 | Carriage-return mechanism |
| | 314 | With concurrent line-spacing |
| | 314.1 | Using electromagnetic drive |
| | 314.2 | For selected number of line-spaces |
| | 314.3 | With disconnection of return by margin-stop |
| | 314.4 | Initiated by user's leg or foot |
| | 314.5 | Initiated by actuator adjacent key-board |
| | 314.6 | By return-clutch means |
| | 315 | Responsive to carriage position |
| | 316 | Partial return (e.g., for start of paragraph, etc.) |
| | 317 | Including power drive (e.g., electric, spring, etc.) |
| | 318 | Initiated by actuator adjacent key-board |
| | 319 | Carriage-feed mechanism (e.g., escapement, etc.) |
| | 320 | For carriage on which a type-head-carrier is mounted |
| | 321 | With repeat spacing |
| | 322 | By electric or magnetic power |
| | 323 | Carriage-feed in two directions (e.g., continuous typing in both directions) |
| | 324 | Word-space concurrent with typing of last character of word |
| | 325 | By space-bar mechanism (e.g., separate connection to escapement) or paragraph-indentation key |
| | 326 | With compensator for tilt of typewriter |
| | 327 | For diagonal print-line |
| | 328 | By force-feed or screw mechanism (e.g., direct drive, screw-biasing carriage, etc.) |
| | 329 | Carriage escapement controlled by pawl |
| | 329.1 | Means to ensure engagement of pawl at start of print-line (i.e., overbanking control) |
| | 329.2 | Carriage-feed initiated and completed during depression of character key (e.g., "speed" or "reverse" escapement) |
| | 329.3 | Pawl rocker spring regulating device |
| | 330 | Via ratchet wheel connected to pinion and carriage-rack |
| | 330.1 | And plural pawls |
| | 330.2 |  For half-drop escapement |
| | 330.3 | Mounted on pivotable pawl carrier or rocker |
| | 330.7 | Mounted on movable (e.g., rotatable, slidable) pawl carrier |
| | 330.8 | Including particular structure of pawl (e.g., pivoted, unitary, with roller, etc.) |
| | 331 | Including plural ratchet wheels |
| | 331.1 | Including particular structure of ratchet wheel |
| | 331.2 | Including cushioned escapement support (e.g., rocker, pawl buffer, etc.) |
| | 331.3 | Including particular structure of mount for ratchet wheel (e.g., bearing, clutch, etc.) |
| | 332 | Via toothed rack |
| | 332.1 | And plural pawls |
| | 332.2 | Mounted on pivotable pawl carrier or rocker |
| | 332.3 | Mounted on movable (e.g., rotatable, slidable) pawl carrier |
| | 332.4 | Including particular structure of pawl (e.g., slidable, pivoted, unitary, etc.) |
| | 332.5 | Including plural toothed racks (e.g., pivoted, etc.) |
| | 332.6 | Including particular structure of rack (e.g., toothed, slidable, etc.) |
| | 333 | Universal-bar or actuator therefor |
| | 333.1 | Connected to actuator for another function |
| | 333.2 | Adjustable |
| | 333.3 | Actuated by type-bar or type-bar action |
| | 334 | Carriage-feed-release mechanism |
| | 334.1 | By disengagement of clutch between ratchet wheel and pinion |
| | 334.2 | By disengagement of escapement pawl(s) |
| | 335 | With particular connection to carriage (e.g., gear train, pulley and strap, etc.) |
| | 336 | Spring-biasing carriage for feed |
| | 337 | Carriage-retarder mechanism |
| | 338 | Including governor responsive to speed or momentum |
| | 339 | Using fluid or fluent-material retarder |
| | 340 | Using frictional retarder (e.g., strap, disc, drum, etc.) |
| | 341 | Carriage-buffer stop or rebound control |
| | 342 | Margin-regulator (e.g., adjustable margin-stop) mechanism |
| | 343 | With intermediate margin-stop |
| | 344 | With other typewriter function controlled by margin-stop (e.g., signal, line-space) |
| | 347 | With multiple-pitch selector |
| | 348 | With release of margin-stop |
| | 349 | Conjointly set or centrally spring biased |
| | 350 | On record-medium table or paper-finger |
| | 351 | Margin-stop structure, per se |
| | 352 | Carriage, per se, or guideway therefor |
| | 355 | Means for repositioning carriage or platen thereon |
| | 359 | HAVING TYPEWRITER-CONTROLLED RECIPROCABLE ELECTROMAGNETIC DRIVE FOR TYPE BAR ACTUATION IN SAME TYPEWRITER |
| | 360 | Including electromagnetic return of universal actuator |
| | 361 | Including actuator to complete depression of selected key or key lever |
| | 362 | Including universal actuator to actuate selected type-bar action |
| | 364 | Including individual solenoids to actuate the selected type-bar action |
| | 365 | HAVING ROTATED POWER DRIVE INTERMITTENTLY APPLIED FOR TYPE-BAR ACTUATION |
| | 366 | Including jam-release means |
| | 367 | Interposed components driven by filter shaft |
| | 368 | For repeat-type action |
| | 370 | Via continously rotated power roll |
| | 371 | And oscillatable cam |
| | 372 | And rotatable cam (e.g., single-lobe cam) |
| | 374 | And friction leg (e.g., other than by cam) |
| | 375 | Snatch roll |
| | 375.1 | Including plural coaxial snatch discs |
| | 375.2 | With control of impact force |
| | 375.3 | With electromagnetic control of pawl |
| | 375.4 | And star wheel |
| | 376 | With control of impact force |
| | 377 | Via limited-rotation clutch |
| | 379 | Via spring drive (e.g., spring-driven snatch roll) |
| | 382 | Via reciprocating common actuator |
| | 383 | TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER |
| | 384 | Spring drive for type-bar action |
| | 385 | With added-motion mechanism for type-bar near print-point |
| | 386 | Including toggle-linkage |
| | 387 | Including momentum accumulator |
| | 388 | Including hammer, roller, or presser mechanism |
| | 389 | With power assist for mechanism |
| | 390 | With end-thrust mechanism for type-bar |
| | 391 | Type-bar slidable on flat support |
| | 391.1 | Driven by gear means |
| | 391.2 | Driven by cam means |
| | 391.3 | Driven by toggle-linkage |
| | 391.4 | With power assist for mechanism |
| | 392 | Including momentum accumulator |
| | 393 | For top-strike or bottom-strike typewriter |
| | 394 | With type-bar pivot traveling during typing movement of type-bar |
| | 395 | Type-bar pivot on longitudinally movable carriage in top-strike typewriter |
| | 396 | With ink pad on type-bar rest |
| | 397 | With disconnection of type-bar action during movement thereof |
| | 398 | With accelerated (e.g., motion amplifying)type-bar action |
| | 399 | By rolling contact between links |
| | 400 | By cam-engaging link |
| | 401 | By breaking and straightening toggle-linkages |
| | 402 | By breaking toggle-linkage (e.g., to pull type-bar to print-point) |
| | 403 | By straightening toggle-linkage (e.g., to push type-bar to print-point) |
| | 404 | Including adjustment of toggle-linkage anchor position |
| | 405 | By type-bar connecting link |
| | 406 | By pin and slot connection |
| | 407 | Including type-bar starter means |
| | 408 | For bottom-strike typewriter |
| | 409 | Including simultaneous actuation of plural type-bars for simultaneous imprinting |
| | 410 | With pivotally mounted platen carrier (e.g., for access, etc.) |
| | 411 | Type-bar actuated by rack and gear |
| | 412 | Including type-bar mounting arrangement |
| | 413 | With type-face inker (e.g., ink-pad rest) |
| | 414 | Including key or key-lever arrangement |
| | 415 | For top-strike typewriter |
| | 416 | Including type-bars pivoted on both sides of, or above and across, platen axis |
| | 417 | With type-face inker (e.g., ink pad, roller, etc.) |
| | 418 | Type-bar pivoted by gear connection |
| | 419 | Type-member or type-bar pivoted and rotatable (e.g., for selection of type face) |
| | 420 | Type-bar pivoted by push link |
| | 421 | Type-bar pivoted by cam |
| | 422 | Type-bar action |
| | 423 | Including selectively disengageable type-bar action to render action inoperable |
| | 424 | With type-face pivoted on type-bar for rolling contact with platen |
| | 425 | Including jam-release means |
| | 426 | Including type-bar return before release of key lever |
| | 427 | Including yieldable link in type-bar action |
| | 428 | Including means to limit type-bar movement |
| | 429 | Type-bar pushed or pulled by hooklike cam |
| | 430 | Type-bar pulled to print-point |
| | 430.1 | By cam means (e.g., slotted cam, helix, etc.) |
| | 430.2 | By toggle-linkage |
| | 430.3 | With movable type-bar-segment |
| | 431 | Type-bar moved to print-point by gear drive |
| | 432 | Type-bar moved to print-point by cam means |
| | 433 | Type-bar moved to print-point by toggle-linkage |
| | 434 | Including connecting link or joint |
| | 435 | Type-bar rebound preventer (e.g., via latch, brake, linkage, etc.) |
| | 436 | Type-bar return spring connected to type-bar-action linkage |
| | 437 | For impact control |
| | 438 | With adjustment means (e.g., for "touch" control, ect.) |
| | 439 | Attached to type-bar or universal-bar |
| | 440 | Attached to key lever (e.g., tension spring) |
| | 441 | Type-bar pivot support |
| | 442 | For plural groups of type-bars |
| | 442.1 | Having type-bars disposed on plural ring supports |
| | 442.2 | Including type-bars pivoted on vertical pivot(s) (e.g., moved in horizontal plane) |
| | 443 | Ring support |
| | 444 | Type-basket laterally movable relative to platen and key-board |
| | 445 | Type-bar-segment (e.g., wire journal) |
| | 445.1 | With guide for movement of segment |
| | 445.2 | Including hanger for individual type-bar |
| | 445.4 | Interchangeable (i.e., easily removable) segment |
| | 445.5 | With type-bar anvil |
| | 446 | Interconnected (e.g., nested) support bearings |
| | 447 | Ball-and-socket bearing for type-bar (e.g., universal joint) |
| | 448 | Roller bearing or ball bearing for type-bar |
| | 449 | Adjustable bearing for type-bar |
| | 450 | Pin support for type-bar |
| | 451 | Wire support for type-bars |
| | 452 | Type-bar structure |
| | 454 | Type-bar rest or rest support |
| | 456 | Type-bar or type-member guide structure |
| | 457 | Including resilient means for energy absorption or kickback |
| | 458 | Mounted on platen-carriage |
| | 459 | For thrusted type-bar |
| | 460 | Guide adjacent print-point |
| | 461 | Adjustable guide |
| | 462 | Type-member structure |
| | 463 | Removable type-member |
| | 464 | Rotatable on type-bar |
| | 465 | Pivotable on type-bar |
| | 466 | Type-face or type-die configuration (e.g.,reverse image, boldface, piercing, etc.) |
| | 467 | Dust guard for type-bar action mechanism |
| | 469 | Attachment to type-bar for imprinting extra character |
| | 470 | Ink-impregnated type-face or inker for type-face |
| | 472 | KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM |
| | 473 | Including mechanism (e.g., auxiliary key-board) for activating keys |
| | 474 | Electromagnetic key-board-drive mechanism |
| | 475 | Operated by user's leg (e.g., foot, knee, etc.) |
| | 476 | For actuating function key only |
| | 477 | Including means generating a signal for type selecting or other typing function |
| | 478 | Via slidable code bars |
| | 479 | Via electrical component (e.g., switch, stylus, etc.) in or with key-board |
| | 480 | Including control of key action (e.g., buffer, etc.) |
| | 482 | For stenographic typewriter |
| | 483 | For Braille typewriter |
| | 484 | For foreign-language typewriter |
| | 485 | Key-board having multiple-character, multiple-movement keys |
| | 486 | Key-board arranged according to character location |
| | 488 | Key-board including row of keys having different heights |
| | 489 | Key-board including keys grouped to facilitate positioning of typist's fingers |
| | 490 | Key-cap or key-stem structure |
| | 491 | Including cushioning means (e.g., yieldable surface) |
| | 492 | Adjustable in plane of key(s) (e.g., to facilitate reach, rotatable, etc.) |
| | 493 | Including character-bearing disc on key cap |
| | 494 | Having raised or recessed character |
| | 495 | Including means for mounting key cap or key stem |
| | 496 | 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 | Including prevention of full imprint on "carbon copy" record-medium |
| | 499 | On record-medium wound around platen together with carbon paper |
| | 500 | With means for causing slack in web of manifold set |
| | 503 | By use of other than rectangular sheet carbon paper (e.g., disc, etc.) |
| | 505 | By multicolor carbon paper |
| | 506 | With means to prevent creep (e.g., relative movement) between record-media |
| | 507 | Including means for creep feed of carbon paper |
| | 508 | Including spool or support for roll of carbon paper |
| | 509 | Including a flat roll or core therefor |
| | 510 | And guide for changing feed direction |
| | 511 | Feed mechanism for feed from roll of carbon paper |
| | 511.1 | Responsive to return of carriage |
| | 511.2 | With retraction of carbon paper for reuse thereof (e.g., by slidable carrier) |
| | 512 | And support for roll of record-medium |
| | 513 | Including relative movement between carbon paper and record-medium |
| | 514 | Including positioning of auxiliary record-medium |
| | 515 | Including front insertion of carbon paper or record-medium |
| | 516 | By simultaneously advancing record-medium and retracting carbon paper |
| | 517 | By means to arrest advance of carbon paper |
| | 518 | Carbon paper carrier(s) respositionable relative to platen |
| | 518.1 | Plural carriers disposed side-by-side for selective use singly or simultaneously |
| | 518.2 | Plural carries for serial retraction of plural carbon papers |
| | 518.3 | With means to imprint selectively on one or more media (e.g., by holding selected media away from print-line) |
| | 518.4 | Including retraction of carbon paper and record-medium and subsequent advance of record-medium |
| | 519 | Carbon paper carrier movable rectilinearly |
| | 519.1 | With means to hold record-medium against retraction |
| | 519.2 | Including means to reduce binding of carbon paper during retraction |
| | 519.3 | Including lifting of platen for retraction of carrier |
| | 519.4 | With guard over settable parts (e.g., denominational jacks, etc.) |
| | 519.5 | With relative movement betweem record media (e.g., for condensed-billing, etc.) |
| | 519.6 | With support or guiding or positive-driving structure for carrier (e.g., table, adjustable stop, etc.) |
| | 519.7 | Carbon paper carrier on endless member |
| | 520 | Carbon paper holder (e.g., loading board, etc.) |
| | 521 | FOR TYPING ON CARD IN CARD HOLDER |
| | 522 | Flexible holder fed around platen with single card |
| | 523 | On card pierced or indented to aid holding |
| | 524 | Holder movable responsive to case-shift |
| | 525 | Card holder carrier by platen |
| | 526 | And actuated in response to platen rotation |
| | 527 | With platen surface modified for card |
| | 528 | Holder attached via detachable arms at ends of platen |
| | 529 | Holder attached via pins on holder or via adhesive attachment |
| | 530 | Holder attached via element (e.g., band) gripping platen periphery |
| | 531 | Including line-spacing of holder or card |
| | 535 | Including support engaging bottom edge of card |
| | 536 | Card holder mounted on typewriter frame |
| | 537 | Including means enabling movement of card relative to holder |
| | 538 | Transparent card holder |
| | 539 | Including finger movable away from holding position |
| | 541 | Including a feed-roller |
| | 542 | Card holder mounted on platen-carriage frame |
| | 543 | Including gripper or means urging card against platen |
| | 544 | Backing for stencil cutting (e.g, CELLULOID™ strip, etc.) |
| | 545 | FOR LINE-SPACING BY INCREMENTAL ROTATION OF PLATEN |
| | 546 | To facilitate condensed billing (i.e., by determining a desired limit or amount of retrograde or advance platen movement) |
| | 547 | Including stop structure (e.g, traveling stop, etc.) |
| | 548 | With graduated scale (e.g., on drum periphery) |
| | 549 | Actuated by key on key-board |
| | 550 | For multi-incremental rotation (e.g., "platen sweep") |
| | 551 | For line-spacing in forward or reverse direction |
| | 552 | With "floating" platen |
| | 553 | Via line-space / carriage-feed-release actuator |
| | 554 | For facilitating even wear of platen surface (e.g., by irregular increments, etc.) |
| | 555 | By irregular increments of platen rotation (e.g., for adjustment of platen relative to its actuator, etc.) |
| | 556 | Including disconnecting ratchet wheel from platen (e.g., declutching ratchet, etc.) |
| | 556.1 | Via relatively displaceable pin and slot members |
| | 556.2 | Via toothed ring and locking member(s) |
| | 557 | Via ball or roller clutching member(s) |
| | 558 | Via binding jaws gripping annular flange between jaws |
| | 559 | Via friction plate members engageable by axial displacement (e.g., pressure plate, etc.) |
| | 560 | Via frictional engagement of periphery of cylindrical member |
| | 562 | Including settable stops |
| | 563 | Including plural detents selectively engageable with ratchet wheel |
| | 564 | Including a drive member engageable with line-space ratchet wheel |
| | 565 | Detent-release structure |
| | 567 | Including gear (e.g., differential gear, etc.) structure |
| | 568 | By electric-power drive |
| | 569 | By gear train (e.g., including a clutch) |
| | 570 | By double-cam drive |
| | 571 | By friction drive (e.g., including regulation of increments) |
| | 572 | By pawl and ratchet wheel drive |
| | 573 | Including rectilinearly movable pawl |
| | 574 | Including pawl carrier coaxial with ratchet wheel |
| | 575 | Including means to regulate pawl engagement or drive |
| | 576 | Via foldable line-space actuator |
| | 577 | 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 | Including skew correction responsive to position of sheet or web |
| | 580 | Including forming indicia on record-medium during typing to find next line to be typed |
| | 582 | Including programmed-control-system for record-medium feed (e.g., on auxiliary record) |
| | 584 | Including feed of plural record-media arranged side-by-side (e.g., fed independently of platen) |
| | 586 | Including feed of tally strip record-medium (e.g., plural tally strips) |
| | 587 | And feed of endless transfer-medium |
| | 588 | On plural-platen (e.g., divided platen) typewriter |
| | 589 | With locking or interlocking mechanism (e.g., line lock, etc.) |
| | 590 | Including feed varied for amount of tally strip on spool |
| | 591 | Including tally-strip feed transverse to feed of main record-medium |
| | 592 | Including feed independent of platen |
| | 593 | With cutting or spring tensioning of tally strip |
| | 594 | Including structure or mounting or adjustment of tally-strip roll |
| | 595 | Including insertion of sheet from front of platen (e.g., for "condensed billing", via sheet guide, etc.) |
| | 596 | Including feed responsive to presence of sheet |
| | 597 | With subsequent line-spacing independent of platen |
| | 598 | With digitally selected, typewriter-actuated feed to selected line to be typed (e.g., via "dialing" disc, etc.) |
| | 599 | Insertion of sheet relative to other record-medium |
| | 600 | Via feed throat having gate (e.g., actuated by power, etc.) |
| | 600.1 | With platen repositioned for sheet insertion |
| | 600.2 | With feed-roller repositioned for sheet insertion |
| | 601 | With laterally movable sheet holder (e.g., having concurrent feed movement) |
| | 602 | With sheet ejector |
| | 603 | Via chute(s) or feed-roller couple (e.g., plural chutes) |
| | 604 | Attachment to typewriter for converting to condensed-billing operation |
| | 605 | For feeding plural record media concurrently or selectively |
| | 606 | Plural webs superimposed and aligned to each other during typing |
| | 607 | Including movement of one record-medium relative to another |
| | 607.1 | In lateral direction (e.g., lateral shift of web or sheet carrier) |
| | 607.2 | By insertion of additional record-medium |
| | 607.3 | With concurrent feed-roller and line-spacing control |
| | 608 | With clamp for holding one record-medium stationary |
| | 608.2 | By auxiliary feed-roller or platen section (e.g., separate feed of sheets) |
| | 608.3 | By retrograde movement of one record-medium |
| | 608.4 | Including differential movement by separate drive means |
| | 609 | Mount for plural web rolls |
| | 610 | Including sheet-associating attachment (e.g., pin-band-encircling platen) |
| | 611 | For feeding web record-medium |
| | 612 | Feeding web or sheet in perpendicular directions |
| | 613 | With web supply or takeup or mount therefor (e.g., web cartridge, etc.) |
| | 613.1 | Including insertion of leading edge of web |
| | 613.2 | For folded or creased web (e.g., fan-folded web) |
| | 614 | Including web rewind |
| | 615 | Mounted on typewriter having transversely moving carriage |
| | 615.2 | For feeding tape in direction of print-line (i.e., transverse feed) |
| | 616 | By pin-feed means (e.g., reciprocating pin, etc.) |
| | 616.1 | Including laterally adjustable bands (e.g., tractor feed, etc.) |
| | 616.2 | Pin feed on endless band |
| | 616.3 | Pin wheel (e.g., on platen cylinder) |
| | 617 | By friction-feed means (e.g., reciprocating finger or gripper or pinch roller, etc.) |
| | 618 | With web tensioning or braking |
| | 619 | Including web guiding or aligning (e.g., laterally, relative to print-line, etc.) |
| | 620 | Including web shifting to view print-line |
| | 621 | With web cutter (e.g., tear bar, wire tool, etc.) |
| | 622 | With holder for single sheet (e.g., clip, backing sheet, etc.) |
| | 624 | For feeding sheet from stack or pack holder |
| | 625 | And delivering to sheet receiver (e.g., by roller couple) |
| | 626 | By engaging between flap and body of envelope |
| | 627 | By pneumatic means |
| | 628 | By reciprocating of oscillating member |
| | 629 | By endless-band or rotating (e.g., feed-roller) member |
| | 630 | Including aligning of sheet edge prior to typing |
| | 631 | Aligner moved to operate concurrently with disengagement of feed means |
| | 632 | Including leading-edge aligner located past print-point |
| | 633 | Side-edge aligner (e.g., adjustable, etc.) |
| | 634 | Including friction-feed means (e.g., band) |
| | 635 | By endless-feed band |
| | 636 | By roller couple (e.g., rotatable pinch rollers, etc.) |
| | 636.1 | With typewriter-actuated control of feed-roller position |
| | 636.2 | Including intermediate drive means (e.g., gears) connecting feed-roller to platen |
| | 636.3 | Including feed-roller having equalizing or pressure-adjusting means |
| | 637 | Including lower feed-roller(s) (e.g., pressure roller, etc.) |
| | 637.1 | Including concurrent control for disengagement of upper and lower feed rollers |
| | 637.2 | Mounted on apron |
| | 637.3 | Mounted on plural roller carriers |
| | 637.4 | Including plural parallel carrier pivots |
| | 637.5 | Including single carrier pivot intermediate front and rear lower feed rollers |
| | 637.6 | Mounted on single carrier having pivot intermediate front and rear lower feed-rollers |
| | 638 | Including feed or pressure roller mounted on "paper-finger" |
| | 639 | Including upper feed-roller(s) (e.g, pressure roller, etc.) |
| | 640 | With cooperating scale |
| | 641 | Feed-roller structure or brake or spacer therefor |
| | 642 | Including sheet guide (e.g., for sheet insertion, etc.) |
| | 643 | Platen-encircling band |
| | 644 | Sheet stripper (e.g., for preventing reentry, etc.) |
| | 645 | Sheet holddown member (e.g., "paper-finger", end-of-page holddown, etc.) |
| | 645.1 | With aperture or notch (e.g., for typing therethrough, etc.) |
| | 645.2 | On or with erasing plate or signal or indicator |
| | 645.3 | Movably mounted on movable finger carrier |
| | 645.4 | Pivotally mounted holddown |
| | 645.5 | Mounted in front of platen axis |
| | 646 | Sheet table at delivery side of platen |
| | 647 | Movable sheet table or apron (e.g., detachable, extensible, etc.) |
| | 648 | PLATEN OR PLATEN-MOVING MECHANISM |
| | 649 | For movement of platen other than for line-spacing |
| | 650 | Cylindrical platen adjustable to facilitate compactness |
| | 651 | Cylindrical platen axially adjustable |
| | 652 | Platen movment conjointly with type-face movement |
| | 653 | By eccentric mounting for platen |
| | 654 | Character-size platen (e.g., anvil, disc, etc.) |
| | 656 | Bar (i.e., line size) platen |
| | 658 | Semicylindrical platen |
| | 659 | Cylindrical platen |
| | 660 | Detachably secured to platen carriage |
| | 660.1 | By axially displaceable supporting shaft |
| | 660.2 | By pivoted member overlying platen shaft |
| | 660.3 | By disengageable platen sectors |
| | 661 | With sound-muffling means |
| | 661.1 | Including plural layers of varying hardness |
| | 661.2 | Including cylinder containing fluent (e.g., fluid, etc.) material |
| | 661.3 | Including cylindrical sections or rings (e.g., of character-space width) |
| | 661.4 | Including a wound member |
| | 662 | Including particular surface characteristic (e.g., translucent, pigment yielding, corrugated, of varying hardness, etc.) |
| | 663 | LOCKING OR INTERLOCKING MECHANISM |
| | 664 | For interlocking plural functions or mechanisms |
| | 665 | Plural carriage-moving mechanisms (e.g., escapement, tabulation, etc.) |
| | 666 | Plural keys or key linkages (e.g., for type-face selection, etc.) |
| | 667 | Key-board lock using interlock mechanism |
| | 668 | Locking means actuated in response to a condition |
| | 669 | Failure of power supply |
| | 670 | End-of-page lock (e.g., responsive to preset condition) |
| | 671 | End of maximum typed line |
| | 671.1 | Actuated by space-bar |
| | 671.2 | Universal-bar lock (e.g, pivoted latch, slidable latch, etc.) |
| | 672 | Escapement lock |
| | 672.1 | Type-bar lock |
| | 672.2 | Key-lever lock (e.g., by hook on key-lever) |
| | 673 | Coin-controlled lock (e.g., responsive to print-lines, time, etc.) |
| | 674 | For locking carriage in centered position (e.g., with shipping support) |
| | 676 | Key-board security lock (e.g., cover plate, etc.) |
| | 677 | For locking selected group(s) of keys |
| | 678 | For locking key in actuated position (e.g., to remove type-face from ink pad) |
| | 679 | MEANS AUXILIARY TO TYPEWRITING FUNCTION |
| | 680 | Means for collapsing typewriter or support for record-medium or copy |
| | 681 | By tilting typewriter (e.g., via collapsible legs, etc.) |
| | 682 | By moving key-board relative to frame (e.g., into plural operating positions, etc.) |
| | 683 | By moving carriage relative to frame |
| | 684 | By moving type-bars relative to frame |
| | 685 | Including typewriter built into carrying case |
| | 686 | Buffer (e.g., dashpot, of particular material, etc.) for movable typewriter element |
| | 688 | Means for increasing typewriter noise |
| | 689 | Means for muffling typewriter noise |
| | 691 | Frame, casing, or support for typewriter |
| | 692 | Having means facilitating interchange of parts |
| | 693 | Housing structure |
| | 694 | Made of particular material (e.g., plastic, etc.) |
| | 695 | Means for correcting typing errors (e.g., by abrasive eraser, etc.) |
| | 696 | By laser beam or adhesive-surface ribbon or chemical eradicator |
| | 697 | By overprinting (e.g, with coated material) to cancel error |
| | 698 | With erasing table |
| | 699 | With receptacle for refuse |
| | 700 | With means for rubbing eraser over surface of record-medium |
| | 701 | Means for cleaning, or facilitating cleaning of, type-face |
| | 703 | Indicator means |
| | 704 | For indicating typist's skill or needed adjustment |
| | 705 | For indicating position of carriage along print-line |
| | 705.1 | Of carriage for type-head-carrier |
| | 705.2 | With word counter |
| | 705.3 | By means driven from carriage (e.g., for indicating end of print-line, etc.) |
| | 705.4 | Scale for facilitating tabulation |
| | 705.5 | Scale for facilitating centering of print-line |
| | 706 | For indicating position of line or end-of-page |
| | 706.1 | By scale mounted on paper table |
| | 707 | By means driven from platen cylinder |
| | 707.1 | Drive initiated by detector of record-medium |
| | 707.2 | Including relatively movable pointer and scale (e.g., rotatable or rectilinearly movable pointer) |
| | 707.5 | With line numbering |
| | 708 | Including detector of record-medium |
| | 709 | For aligning record-medium with print-point or print-line (e.g., for facilitating correction of error, etc.) |
| | 710 | Including a page counter |
| | 711 | Including a light |
| | 712 | Including means producing an audible sound (e.g., plural tones, etc.) |
| | 713 | Attachment for shielding or screening record-medium or typewriter (e.g., against wind, etc.) |
| | 715 | Attachment for guiding fingers or hands of typist (e.g., hand rest) |
| | 716 | Attachment for illuminating or viewing (e.g., prism, etc.) |
| | 717 | Attachment for holding an article (e.g., pencil, eraser, etc.) |
| | 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 |