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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
87 FOR OPERATION BY HANDICAPPED USER
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
120.02 .. (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
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
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
FOR000 CLASS-RELATED FOREIGN DOCUMENTS
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