US950473A - Telegraph bulletin-printer. - Google Patents

Telegraph bulletin-printer. Download PDF

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Publication number
US950473A
US950473A US46205908A US1908462059A US950473A US 950473 A US950473 A US 950473A US 46205908 A US46205908 A US 46205908A US 1908462059 A US1908462059 A US 1908462059A US 950473 A US950473 A US 950473A
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Prior art keywords
shaft
type
feed
wheel
latch
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US46205908A
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George L Campbell
Harry G Davis
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ELECTRIC PRESS BULLETIN Co
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ELECTRIC PRESS BULLETIN Co
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1804Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for stock exchange and similar applications

Definitions

  • This invention relates to telegraph bulletin printers and relates especially to telegraph printers suitable for use in printing newspaper bulletins and the like in page -orm on a continuous web of paper and in which the type may be as large as several inches in height, such printers being controlled if desired by a single electrical circuit over which well known alternating or other electrical impulses are sent out from a transmitting instrument.
  • Figure l is a front elevation.
  • Fig. 2 is a side elevation.
  • Fig. 3 is a partial side sectional view showing the inking devices.
  • lP ig. 4 is an enlarged transverse sectional view showing the index latching and printing devices.
  • Fig. 5 is a detail view showing the type shaft friction clutch.
  • Fig. 6 is a detail view showing the latching devices.
  • Fig. 7 is a detail view showing the feed and return gear.
  • Fig. 8 is a detail side section showing printing and actuating devices.
  • Fig. t) is a partial front view thereof.
  • Fig. 10 is a detail showing the contact plate and arm; and
  • Fig. 11 is a circuit diagram.
  • a rigid frame for the machine mayY he formed of the side pieces GO, ('33 connected by suitable transverse braces. including the feed rail 190 a djacent the bottom, as shown in Fig. 1.
  • the shaft 20T of the web roll 1Q? may as indicated in Fig. 2 be mounted on suitable bearings such as the friction rolls 125 supported in brackets on the frame.
  • the continuous paper web 63 which may have a width of several feet if desired is preferably' led around a suitable floating or other tension device, such for example, as the tension roll 85 mounted in suitable arms 36 on the shaft 176 which may be loosely mounted in bearings in the frame so as to allow this floating roll to oscillate freely in the web loop.
  • a brake 39 of any desired description may be mounted to cooperate with a suitable brake drum 180 on the web roll shaft 297 and the brake rod 37 may be pivotally or otherwise connected with the brake and have a suitable adjustable spring 38 normally holding the brake in engagement with the drum with the desired force.
  • the loop in which the floating tension rollS rests is shortened and the tension roll raised until its swinging arm 36 engages the brake rod and lifts the rod and connected brake free from the drum, whereupon the weight of the tension roll withdraws additional paper from the web roll until the brake again comes into engagement. In this way the paper is always kept under a definite tension and the undesirable strains incident to starting a large roll of aper are avoided.
  • the paper web may be passed over the guide rod 195 and under the printing platen cooperating with the type wheel 50 carrying the printi'xig characters. Then the paper web after ass.- ing around the roll 79 may be carrie upward to form an exposed bulletin face (35 of the desired extent and then pass over thc feed roll 135.
  • the shaft 197 of this roll mounted adjacent the up er end of the frame may carry the feediing' ratchet 133 with which the holding pawl 1236 may engage and also the feeding' pawl 134i mounted on a feed arm 194 swinging about the shaft 19T so as to intermittently feed the paper forward an amount corresponding to ay line of the printed matter.
  • a gripping roll 132 ma)7 be mounted in suitable grip levers 131 on the frame and forced against the feed roll to the desired extentl to give a goed gripping action thereto ⁇ this gripping roll being held in adjustment by a suitable wing nut 196 shown in dotted lilies in F ig. Q.
  • the paper web may if desired be disposed of by being wound upon the winding roll 19.9 having the winding shaft 198 mounted in the frame and provided with a suitable frictional drive connected with the feed roll or other part of the machine.
  • Windingpulleyi 61 loose on the winding shaft 128 is indicated in Fig. 1 as having the friction clutch or disk 162 pressed into engageinent therewith by a suitablespring so that the belt 163 connecting this winding pulley with a corresponding pulley 16st on the shaft 197 of the feed roll tends to overwiiid the winding shaft and roll, suitable slip taking place at the friction clutch so that the web is always wound on the winding roll 129 as fast as delivered by the feed roll and kept at the desired tension.
  • the type shaft 58 may be mounted in suit able bearings in the machine frame and carry rigidly secured thereto the index wheel 33 adjacent one end and a suitable contact arm 51 adjacent the other if desired, this arni as indicated in Figs. and 11 being provided with the desired number of suitable contact springs to cooperate with the annu- J lar rows of contacts on the contact plate or selector.
  • index devices are also preterably provided with a plurality of annularly arranged rows of stop devices, such as the stop pins 32 and 57, for example, which as indicated may be arranged on either side of a single index wheel if desired, which may also be provided with a corresponding number of notches 222 adjacent its periphery as indicated in Fig. f1.
  • the contact spring lOl may cooperate with the inner ring of contacts and the contact spring 103 also mounted on the contact arm 51 may similarly cooperate with the outer ring of condevices on the index wheel.
  • the sunflower controller is preferably provided with several additional control .wcontacts which may as indicated in Fig. 11 be wired directly to the control devices of the machine, such for example, as the motor controlling magnets and 157 for holding the switch lever 102 in such position as to coinplete the circuit between suitable contacts 158 and 1(30 in the motor power or control circuit 159. 101. Similar contacts from the controller may also operate the paper feed magnet 35, the spacing magnet 113and so forth.
  • This controller is of the regular suntlower construction employed in printing telegraphy having the escapemciit ratchet.
  • the spring 1023 5 may as indicated be connected with the commutator ring 52 with which the brush 523 eugages to energize the latch magnet 5t and in a similar way the contact spring 10-1 may be connected with the con'iniutator ring 52 with which the brush 53 engages to energize the latch magnet 54 at the desired time.
  • the type wheel 5t may be slidingly mounted on the type shaft 5S and be rotated in unison therewith by the splines cooperating with corresponding slots in the hub ot' the type wheel, as shown riphery corresponding to the number of contacts on the controller.
  • This cylinder is connected with a drive pulley 18S through the pinion 154 and gear 152 having a friction clutch connection with the shaft of the pin cylinder so that this cylinder normally tends to rotate and is continuously rotated except when one of its pins is engaged by the correspending key of tbe key-board ⁇ only one hey being indicated.
  • This pin cylinder may be geared or otherwise connected with a suitable commutator 146 engaged by the brushes 177, 1.78 supplied with.
  • the brushes 170 bearing on this coininutator 140 thus normally send out over the line wires 143, lill alternating impulses of modcrate intensity sutiicient to actuate the sunber of contacts on the selector and with the number of stop pins, notches or other stop flower controllers on each instrument connected with the line.
  • the pulle ⁇ l 188 also may be similarly connected with the operatingl .shaft 187 on which the connnutator 147 and detent wheel .14S are mounted and normally tend to rotate. The.
  • operating magH net 181 in the line circuit is connected with the spring-actuated pawl '182 cooperating with the detent so as to accurately stop the detent and commutator at intervals of a partial revoliition.
  • the brushes 1.83, 184 as indicated are connected in shunt around the l (ltl clutch lever and brought into engagement l with the clutch lever on the return clutch l operativelv engaging the return clutch shell To with the feed shaft 165 and rotating the same in the, direction indicated by the ar- E row to rapidly return the type wheel and its i feed carriage to the l e; i'i1inine ⁇ ot' the liue.
  • the stopping or latching devices eoiperating with the index wheel may comprise the latch plate 91 pivoted about the pin h5 in the extension or bracket Jl ot ⁇ the frame. as indicated in Figs. t and G.
  • This latch plate may carry one or more latches 5G, 5G pivoted thereto and yieldingly pressed inward by a suitable spring, such as 103. ⁇
  • Suitable latch magnets l, 5l may be mounted on the latch plate and provided with pivoted armatures normally held up in retracted position by suitable springs, suf-h as 102, in which position the upward extcn- 4 .siens ot ⁇ the varmatures rest below the lower extensions or tails 130. 13?
  • the latch plate may he connected with any desired cushioning' device such as the cushioning cylinder (30, the piston in which may have its connected cushioning' rod flo connected with the latch plate by the pivotetl link 18 hewn in Fig. l, a suitable spring 101 engaging' the outlet end U3 and nornially tcnding to return the cushioningl rod and connectcd piston into thel position indicated ⁇ the cushioning action on the piston being of course adjusted by the throttling or vadjusting valve G1.
  • any desired cushioning' device such as the cushioning cylinder (30, the piston in which may have its connected cushioning' rod flo connected with the latch plate by the pivotetl link 18 hewn in Fig. l, a suitable spring 101 engaging' the outlet end U3 and nornially tcnding to return the cushioningl rod and connectcd piston into thel position indicated ⁇ the cushioning action on the piston being of course adjusted by the throttling or vadjusting valve G1.
  • the locking pawl 4T which may be pivotally mounted on the pin 221 in the projection 9&2 of the trame.
  • the locking pawl 47 rises s it. carriesI up the printing hook 121 normally loosely hooked over this pawl as indicated iu Figs. et and 9, this hook being pivotally or otherwise loosely connected with the hook lever 126 as shown in Figs. 4 and 9, this lever 126 being secured to the sleeve 119, the.
  • the stop clutch automatically clutches the loose extension or cam shaft 223 with the drive shaft so as to make one revolution therewith, the cam S8 on this shaft engaging and forcing down the inner end of the latch detacher against its setting spring 101 so that its outer end rises and engages the l tail of the latch which has been operated and forces the same upward so as to swing the corresponding latch outward into the inoperative position indicated in Fig. G, so that the corresponding armature can swing upward and hold it in this position.
  • the printing eccentric il on the cam shaftv is also simultaneously open ated oscillating the eccentric rod 4st and connected printing har Q1. mounted in the trame as indicated in Figs. 1 and A4.
  • the link S25 serves to connect'J the upper end oi this bar 2l with the rock lever 26 pivoted to the printing rod 2T to operate the toggle levers Q9 connected with the printing platen U2 at various points along the same so as to :torce this printing platen and the paper beneath the same as indicated in Fie. 4 down into printing engagement with the cooperating type on the type, wheel 50. It desired, a
  • suitable aliner may be employed to insure the accurate alinement of the index and type wheels and it desired a pivoted almer 31 may be used t'or this purpose and may be operated by a suitable connection, such as the pin 89 on the printing bar 24e projecting through a suitable slot 88 in the 'trame member and cooperating with a suitable slot in the aliner to force the same downward so that the inclined notches 124.-, 125 on either side ot' the wheel are adapted to coperate with the stop pins 57 thereon and Vtorce them into the narrow upper portions of these notches in which they lie When the printing contact takes place.
  • the latch plate after the release of the operating latch as indilGll lllO
  • the actuating lever 48 which as indicated is oscillated every time a character is printed is provided with a free end normally prot jecting beneath the feed hook 6 shown in l l1 ⁇ ig. 1 and ⁇ somewhat diagrammatically in Fig. 8.
  • This feed hook is pivoted at itslv lower end to the feed hook lever 7 loosely engaging at its lower end the feedvbar 116 i shown in Figs. 1 and 7, this feed barcarrying at its outer end the feed clutch latch 8 and thus withdrawing the same from engagement with the feed stop clutch 283 when the actuating lever 48 is oscillated, so as to i feed forward the type wheel and its car riage one space every time a character is printed.
  • This magnet or solengid may have its armature pivotally ⁇ connected with the spacing bar 114 normally pressed into engagement with the detaching pin 202 and spacing lever 115 having itsl other end loosely connected with the feed l bar 110 by being located in a suitable notch or slot therein, as illustrated in Fig. 11.
  • the feed bar is thus longitudinally moved to cause the type wheel and carriage to be t carried forward one space when the spacing 5 magnet is actuated, the spacing bar 114 being disengaged from the spacing lever when l the detaching incline 203 engages the detaching pin 202 so as to swing the bar outward against the action of its spring.
  • a suitable safety device may be employed in the form of the feed safety bar indicated in Figs. 1, 7 and l 11. as being pivotally connected to the con- 1 trol lever 1.
  • This bar 20 may be provided with suitable projectionsl or lugs loosely engaging the lower end of the spacing bar 114 so as to swing the same out of engagement with the spacing lever 115 when the control lever has been swung outward by the control bar 16 as the feed carriage and type wheel roach the end of the line.
  • the safety feed bar 20 will also engage and close the spring contacts 142 so that if under these conditions the con troller arm 112 assumed the position indicated in Fig. 11 to actuatc the Ispacing magnet, the spacing bar actuated by this magnet I would be prevented from operating the feed bar and space feed and the closure of thel contacts 142 vwould thereupon energize the paper feed magnet to feed the paper up' one line and return the feed carriage and" tating the feed roll 135 is pivoted by the pin 195 to the connector 23 which ma be pivoted at its lower end to the feed lever 191 mounted on the pin 192 inthe frame and carrying a suitable cam follower 193 at its lower end to copcrate with the feed Cam so that for every revolution of the feed cam the feed arm will be oseillated and the feed roll advanced through the space of one printed line.
  • the feed cam 40 as indicated in Figs. 8 and 9 is operated by a one-revolution stop clutch 4G of any desired construe tion whenever the paper feed clutch lever 42 is withdrawn from the pawl 41 of the clutch.
  • the arm 13 of this lever 42 pivoted to the frame cooperates as indicated in Fig. 1 with the paper feed bar 34 having if desired a pivotal connection with the armature of the paper feed magnet4 35 so as to give it a momentary oscillation when the magnet is energized in the same general way as the spacing magnet described.
  • a suitable return guard may be provided in the form, for instance, of the projecting guard or finger 5 shown in dotted lines in Fig.
  • the paper feed mechanism is actuated hy the actuating lever 48 through the connections described and, the return clutch mechanism is also operated through hook bar l-t, clutch lever hook 3 and return clutch lever Q so as to return the carriage to the beginning of the line.
  • any desired inlting mechanism may he employed to properly ink the character printed upon the web. If desired, this may ie accomplished by keeping the characters on the type wheel constantly inked by suitable inking devices mounted on the carriage and indicated in Fig. 3.
  • the ink fountain 166 is shown as supported from the cariiage 138 and provided with a supply roll 120 journaled within the saine.
  • rl ⁇ hc inlting t roll 122 may as indicated be loosely jonrnaled in the fountain by having its journals mounted in suitable slots therein so that it can properly engage the type wheel charl acters whenever for example the doctor roll l' engages the saine, this doctor roll hobos if desired mounted in suitable swinging arms 12st and pressed between the supply and inking rolls by the springs 12?.
  • a paper web snpply a paper feeding device to feed said paper and forni an exposed face thereon.
  • a drive shaft a type shaft, frictional gearing normally tending to rotate said type i shaft from said drive shaft, an index wheel provided with notches on said type shaft, rows of stop pins on both sides.A of said index wheel, a type wheel provided with characters mounted on said type shaft to rotate therewith and longitudinally movable thereon, a selector cooperating with .said type shaft and having a plurality of rows of conpluralityx contact springs'mounted on sau type s aft I' to engage said -selector contacts, a sunflower n contacts ot said tacts, a Contact arm having a controller adapted to be connected with lino wires energized by electrical impulses, the
  • y contacts of said controller being electrically V connected with said selector contacts.
  • ⁇ and type wheel to longitudinally more said type wheel from said feed sha-ft, feed gear to operate said feed shaft from the drive shaft, a pivoted hitch plate, a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet actuating each latch and coni nected with the corresponding selector contact spring.
  • a dctaclier to detach said latches from said stops and reset the saine
  • a ⁇ pneumatic cushioning cylinder to a piston in said cylinder connected with said latch plate and a connected locking pawl cooperating with the notches of said index wheel.
  • printing stop clutch operated by said printing hook
  • cam shaft contro led by said clutch, releasing connections between said printing hook and said clutch, a lever actuator opei ated from said shaft and means on said cani shaft to operate the resetting device, a printing platen cot'pera'ting with said paper web and connections to operate .said platen from the printing clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed honk to operate said paper feeder, a feed bar to operate the feed ⁇ gear. means comprising a.
  • feed hook to operate said feed bar
  • control incans operated from .said carriage to bring lsaid feed hook :1nd said papei' feed hook selectively into cotipcration with the aetuator, and return guard means operated at the beginning otl a line to prevent the re turn gear being operated.
  • telegraph printers a ⁇ paper web snpply, a paper feeding device to feed said paper and form an exposed face thereon, a drive shaft, a type shaft, frictional gearing normally tending to rotate said type shaft from said drive shaft, an index wheel prof vided with notches on said type shaft. rowsy of stop pins on both sides of said index wheeha type wheel provided with characters mounted on said type shaft to rotate therewith and longitudinally movable thereon.
  • a latch magnet controllinor each latch contact device and a cushioning device connected with said latch late
  • a printing clutch connections operating said clutch on the operation of the latch mechanism, an actuator operated from said clutch, a printing platen coperating with said paper web, connections to operate said platen from the f iiected with said selector and adapted to be energized by electrical im iulses, a pivoted latch plate, a plurality o latches on said latch plate each cooperating with a set of operating with a set of stops on the index printing clutch, a paper feeder to actuate the pa er feed device, means comprising a pa er eed hook to operate said paper feeder, a eed bar to operate the feed gear, means comprising a feed hook to operate said feed bar. and control means operated from said carriage to bring said feed hook and said paper feed hook selectively into coperatioii with the actuator.
  • a pneumatic cushion cylinder coiperating with said latch plate, a
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel having notches and a plurality of rows of stops connected with said type shaft, a type wheel provided with characters mounted on said type shaft to rotate therewith and be longitudinally movable thereon.
  • a selector having a plurality of .sets of contacts, a contact member connected with said type shaft and carrying a plurality of contactdevices to cooperate with said iets of contacts.
  • a controller connected with lsaid selector and adapted to be energized selector contacts, a pivoted latch plate, a
  • a pivoted latch plate a plurality of latches on ⁇ said latch plate each copei'ating with a set of stops on the index wheel, a latch magnet actuating each latch and connected with the corresponding selector contact device, a detacher to detach lsaid latches from said stops and reset' the same, a pneumatic cushioning cylinder cooperating with said latch plate, a piston in said cylinder connected with said latch plate and a locking pawl connected with and actuated hy said cushioning cylinder.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, :in index wheel having notches and a plutype shaft, a type wheel provided with characiers mounted on said type shaft to rotate late, a piston in said cylinder connected wit said latch plate therewith and be longitudinally movable thereon, a selector having a. plurality ot sets of contacts, a contact member connected with said type shaft and carrying a plu ality of contact devices to coperate with said type shaft, frictional gearing normally tending to rotate said type shaft from said drive shaft.
  • an index wheel provided with notches on said type shaft, rows of stop pins on both sides of said index wheel, a type wheel provided with characters iiionnted on said type shaft to rotate therewith and longitudinally movable thereon, a selector having a plua plurality1 of contact devices to coperate with said sets of contacts, a controller consets of contacts, a controller connected with said selector and adapted to be energized by electrical impulses, a movable latch plate,
  • a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a hitch magnet actuating each latch and connected with the corresponding contact device ot' the selector.
  • a cushioning member connected with said latch plate and iality ot sets of contacts, a contact member l connected with said type shaft and carrying v a locking pawl to engage the index wheel operatively connected with said cushioning device.
  • a selector having a plurality of sets of contacts, a contact member connected with said type shaft and carrying a plurality of contact devices to cooperate with said .sets of contacts, va controller connected with said selector and adapted to be energized by electrical impulses, a movable latch plate. a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet controlling each latch and connected with a corresponding selector contact device and a cushioning dcvice connected with said hitch plate.
  • selector contacts to provide control contacts 4 and circuits for the printer, a movable latch an index wheel having notches and a plu- 8. ln telegraph printers.
  • a controller connected with said selector' and having a number of contacts in excess of .said selector contacts to provide control contacts and circuits fcr the spacing, paper feeding and motor control devices, a movable latch plate a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet actuating each latch and connected with the corresponding contact device of the selector. a cushioning member connected with said latch plate and a locking pawl to engage the index wheel operatively connected with said cushioning device.
  • a type shaft connections normally tending to rotate said type shaft from said drive shaft ⁇ an index wheel having a plurality of rows of stops connected with said type shaft.
  • a type wheel provided with characters mounted on said type shaft to be rotated thereby and move longitudinally thereof, a selector having a plurality of sets of contacts corresponding t in number with the stops on the index wheel and the characters on the type wheel, a contact member connected with said type shaft and carrying a plurality of contact devices to cooperate with said sets of contacts, a controller connected with said selector and having a number of contacts in excess of said plate, a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet controlling each latch and connected with a corresponding selector contact device and a cushioning device connected with said latch plate.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided With stops connected with said type shaft and a type wheel having characters mounted on said type shaft to be rotated thereby, a selector having contacts corres onding in number with the type wheel ciaracters, a contact member connected with the type shaft and cooperating with the selector contacts, a controller connected with said selector and having a number of contacts in excess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch on said latch plate coperating with the stops on the index wheel ⁇ means connected with the selector to actuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and opera tively connected with said cushioning device,
  • a drive shaft a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on sald type shaft to be rotated thereby, a sclector having contacts, a contact member connected with said type shaft and coperating with said contacts, and a controller having contacts connected to the selector contacts and adapted to be actuated by electrical impulses.
  • a drive shaft a type shaft. trictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaftl and a type wheel having characters mounted on said type shaft to be rotated thereby, a selector having contacts, a contact member connected with said type shaft and coperating with said contacts. and a controller having contacts connected to the selector contacts and adapted to be actuated by elec trical impulses, a latch plate, a latch on said latch plate cooperating with the stops on the index wheel and normally tending to move into engagement therewith, means connected with the selector toactuate said latch, and l resetting means to disengage said latch from said stopsdand reset the same.
  • a drive shaft a web roll supplying a web of paper, a tension device for said web, a paper feed device operated from said drive shaft to feed said web and form an exposed bulletin face, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index Wheel provided with stops connected with said type shaft and a large type wheel havin bulletin characters thereon mounted on sai type shaft to rotate therewith and move longitudinally thereon, an electrical controller and connected means engaging said stops for selectively controlling said type wheel and printing characters therefrom.
  • a drive shaft In tele aph printers, a drive shaft, a type shaft, ictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said t e shaft and a large type Wheel having bul7 etin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon, al selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate with ⁇ said contacts, a latch plate, a latch on said latch plate coperating with the stops on the index wheel, means connected with the selector to actuate said latch, and resetting means to disen age said latch from said stops and reset tie saine.
  • a type shaft frictional connections. normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon.
  • a selector havin contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate with said contacts.
  • a drive shaft a web roll supplying a web of pa er.
  • a tension device for said web a paper eed device operated from said drive shaft to feed said web and form an exposed bulletin face
  • a tvpe shaft connections normally tending to rotate said type shaft, an index wheel provided with stops connected with said ty e shaft, a controller and means for selective y controlling said type wheel and printing characters therefrom.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a. large type wheel having bulletin characters thereon mounted on said type shaft, a Selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate with said contacts, a latch plate, a latch on said latch plate cooperating with the stops on the index Wheel and normally tending to move into engagement therewith, means connected with the selector to actuate said latch,.a1id resetting means to disengage said latch from said stops and reset the same.
  • a drive shaft al type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft, a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate With said contacts, a movable latch plate, a latch on said latch plate cooperating with the stops on the index wheel, means connected with the selector to actuate said latch, a cushioning deviceconnected with said latch late and a locking pawl engaging said in ex wheel and operatively connected with said cushioning device.
  • a drive shaft a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index Wheel provided with stops connected with said type shaft and a large t pe wheel having bulletin characters tiereon mounted on said type shaft, a selector having contacts corresponding in number with the type Wheel characters, a contact member connected with the type shaft and coperating with the selector contacts, a controller connected with said selector and having a number of contacts in yexcess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch cn said latch plate coperating with the stops on the index Wheel, means connected with the selector to actuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and operatively connected with said cushioning device.
  • a drive shaft In tele aph printeis, a drive shaft, a type shaft, rictional connections normally tending to rotate said type shaft from said drive shaft, an index Wheel provided With stops con-nected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon, a selector having contacts corresponding in number with the type wheel c aracters, a contact member connected with the type shaft and cooperating with the selector contacts, a controller connected With said selector and having a number of contacts in excess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch on said latch plate cooperating with the stops on the index wheel, means connected with the selector to actuate said latch, a cushionin device connected with said latch plate, a ocking awl engagin said index Wheel and peratively connecte with said cushioning evice, a printing laten cooperating with the pa r web andp type wheel
  • a drive shaft a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft, a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to cooperate with said contact, a movable latch plate,a -latchfon said latch plate cooperating with the stops on the index Wheel, means connected with the sclector to actuate said latch, a cushionin dcvice connected with said latch plate, a oeking pawl engaging said index Iwheel and operatively connected with said cushioning device, a printing platen cooperating with the paper web, connections to operate said platen from the printing ⁇ means and an aliner operated by said connections to hold said type wheel in alinelnent while said platen is in engagement.
  • a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to cooperate with said contact, a
  • a drive shaft a type shaft, connections normally tending to rotate said t pc shaft from said drive shaft, an index w eel providedwith stops connected with said ty e shaft'and a large type wheel having bul etin characters thereon mounted on said ty e shaft, a selector liaving contacts adapte to be selectively energized, a contact device connected to said type shaft to cooperate with said contacts, a latch cooperating with the stops on said ⁇ index wheel and means actuated by the sclector to operate said latch, a. printing platen cooperating with the paper uch, connections to operate said platen and an aliner operated by said connections to hold said type wheel in alinement while. said platen 1s in engagement.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft.
  • an index wheel provided with stops con nected with said ty e shaft and a large type Wheel having bul etin characters thereon mounted on said type shaft, a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to cooperate with said contacts, a fluid cushioned latch cooperating with the stops on said index wheel, means actuated by the selector to operate said latch, a printing platen cooperating with said paper web and connections to operate said platen.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, frctional gea ring normally tending to rotate said type shaft from said drive shaft, an index wheel provided with notches on said type shaft, rows of stop pins on cach side of said index Wheel, electrical selector Contact devices connected with said type shaft, a type Wheel provided with characters y mounted on said type shaft to rotate therewith and longitudinally movable thereon, a pivoted latch plate, a plurality ot latches on said latch plate each cooperating with a set of stops on the index wheel.
  • a latch magnet actuating each latch and connected with the corresponding selector contact dcvice, a detacher to detach said latches from said stops and reset the same, a pneumatic cushion1ng ⁇ cylinder coperating with said latch plate, a istonein said cylinder'conncctcd with said latch plate, and a lookin pawl connected with and actuated by sait cushioning cylinder.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel having notches and a lurality of rows of stops connected with said type shaft, a type wheel provided with characters-@mounte on said ty eshaft to rotate therewith and be longitu inally movable thereon, electrical selector contact dcvices connected with said type shaft, a pivoted latch plate, a plurality of latches on said latch plate each coperating witha set of stops on the index Wheel, a latch magnet actuating each latch and connected with the corresponding selector Contact device, a
  • detacher to detach said latches from saidstops and reset the same, a pneumatic cushioning cylinder coperatin plate, a iston in said cy inder connected with sai latch plate, and a lookin pawl connected with and actuated by sai ioning cylinder.
  • a drive shaft a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel having notches and a lurality of rows of stops connected with said type shaft, a type wheel provided with characters mounted on said type shaft to rotate therewith and be longitudinally movable thereon, electrical selector contact devices connected with said type shaft, a movable latch plate, a plurality of latches on said latch plate each eoperatin with a set of stops'on the index Wheel, a fetch magnet actuating each latch and connected with the corresponding contact device of the selector, a cushioning member connected with said latch )late and a locking pawl to engage the in ex wheel operatively connected with. said cushioning device.
  • an index wheel having a (plnralit of rows of type s aft a type wheel provided with characters mouiited on move ongitudinally thereof, a movable iatcli plate, a lurality of latches on said latch plate eaci coperating with a set of stops on the index wheel, a latch magnet actuating each latch a cushioning member connected with said latch plate and a locking pawl to enga e the index wheel operatively connected wit said cushioning. device.
  • a drive shaft a typeshaft, tending to rotate'said type shaft from said drive shaft, an index wheel provided with stops connected with said-type shaft and a type wheel havin characters mounted on said type shaft tol rotated thereby, a movable latch plate, a latch on said latch plate coperating with the stops on the index wheel, means to aetuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and operatively connected with said cushioning device.
  • type wheel havin characters mounted on ⁇ a plurality of sets of separately positioned and independently acting stops connected with said type shaft and a type wheel having characters mounted on sald type' shaft to berotated thereby, a plurality ⁇ l atches e 8c type shaft, connections normally tending to rotate said type shaft from said drive shaft,
  • ictional connections normally 85 said tvpe shaft to be rotated thereby and each coperating with the corresponding set of sto s on said index Wheel, a controller' and se ector means actuated by said controller to operate said latches.
  • a paper feed device In telegraph printers, a paper feed device, a type shaft and connected drive ⁇ vshaft, a type wheel on said type shaft,means j for selectively operating said type Wheel, a feed shaft, a carriage connected to said feed shaft and the type wheel to longitudinally move said type Wheel from said feed shaft, feed gear to operate said feed shaft from the from said carriage to bring said feed hook and said paper feed hook selectively into cooperation with the actuator, a return guard i connected with said feed hook and lying in out of engagement While the carriage is at the beginnin of a line and a feed safety bar connecte with the control means to re- .strain the operation of the spacing magnet and act-nate the paper feed magnet when the carria e is at the end of a line.
  • a feed shaft a carriage connected to said'feed shafty and type wheel to longitudinali)v move said type Wheel from said feed shaft, feed gear to operate said feed shaft from the drive shaft, a printing clutch, connections operating said clutch on the operation of the selecting means, an
  • actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprisine a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, means comprising a feed hook to operate said feed bar, control means operated from said carriage to bring said feed hook and said paper feed hook selectively into coperation with the actuator, and a feed safety bar to restrain the operation of the spacin T magnet when the carriage at the end of a line and instead actuate the paper feedei.
  • a drive shaft, a paper feed device a type shaft, a type uheel on said type shaft, means for selectively operating said type wheel, a feed sha ft, a carriage connected to said feed shaft and the type Wheel to longitudinally move said type wheel from said feed shaft, feed gear i to operate said feed shaft from the drive shaft, a printing clutch, connections o erating said clutch on the operation of t e sen telegraph printers, a drive shaft, a paper feed device, a type shaft, a type Wheel on said type shaft, means for selectively op- ⁇ lee/ting means, an actuator operated from l said clutch, a paper feeder to actuate the' i paper feed device, means comprising a ai per feed hook to operate said aper fee er,
  • a feed bar to operate the feedp gear
  • means comprising a feed hook to o crate said feed bar
  • control means operate from said carriage to bring said feed hook and said paper feed hook selectively into coperation with g the actuator, and a feed safety device havg ing means to actuate the same adjacent the end of a line and restraining the. forward operation of the feed gear.
  • a drive shaft, a paperfeed device, a ty e shaft, a. type Imvheel on said type sha t means for selectively operating said type Wheel ⁇ a feed l shaft, a carriage connected to said feed shaft and type Wheel to longitudinally' move said type wheel from said feed shaft, feed gear to operate said feed shaftfrom the drive shaft, a printing clutch, connections operating said clutch on the operation of the selector means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, means comprising a feed hook to operate said feed bar, control means operated from said carriage to bring said feed hook and said paper feed hook selectively into co eration with the actuator, and return guar means operated at the beginning of a line to prevent the return gear being operated.
  • feed gear to operate said feed shaft from the drive shaft a printing clutch, connections operating said clutch on the operation of the selector means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, a spacin magnet. and a feed hook to operate said eed bar, control means operated from the carriage to selectively bring said feed hook and said paper and restraining the operation of 'the spacing magnet.
  • a drive shaft, a paper feed device In telegraph printers, a drive shaft, a paper feed device. a type shaft, a type wheel on said type shaft, a controller, means for f i' selectively operating said type wheel, a feed shaft, a carriage connected to said feed shaft and type wheel to longitudinally move said type wheel from said feed shaft, feed gear to operate said .feed shaft from the drive shaft, a rinting clutch, connections operating said clutch on the operation of the selecting means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook to operate said paper ee er, a feed bar to operate the feed gear, a spacing magnet actuated from said controller and a feed hook to o erate said feed bar, control means operate from the carriage to selectively bring said feed hook and said paper feed hook into coperation with the actuator, and a safety device operated at the'end of a line to prevent further advance feed of the carriage.
  • a weh roll In telegraph printers, a weh roll, a tension roll floating in a loop of the Web from said web roll, swinging arms in which said tension roll is mounted, a brake restraining said web roll and a brake rod to be engaged by one of said tension roll arms when said loop is decreased to thereby release said brake, guides around which said paper Web passes, a feed roll and frictionally connected Winding roll to rewind said web and form an exposed bulletin face thereon, a feeding pawl and feeding arm coperating with said feed roll, a drive shaft a type shaft, frictional connections normaliy tending to rotate said straining said web roll and a brake rod to be engaged by one of said tension roll arms when said loop is decreased to thereby release said brake, guides around which said paper web passes, a feed roll and frictionall)T connected winding roll to rewind said web and form an exposed bulletin face thereon, a feeding pawl and feeding arm coperatin with said feed roll, a drive shaft, a type sha t,
  • a web roll a brake cooperating with sai roll, a tension roll in a loo of the web from said web roll and controlling said brake, a feed roll and winding roll to rewind said web and form an exposed bulletin face thereon paper feeding means coperatin with sai feed roll, a drive shaft, a type s aft, connect-ions normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft, and means for selectively operating said type wheel and printing characters therefrom.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, Frictional connections normally tending to rotate said type shaft from said l i 1 l l i i l l i l l l drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on' said type shaft to be rotated thereby, aalatch coperating with the stops on said index wheel, a selecting device, meansl controlled by said selecting device to operate said latch and a fluid cushioning device connected with said latch.
  • an index wheel provided with stops, a connected'type wheel having characters, a fluid cushioned latch device cooperating with the stops on said index wheel, a selector and connected means to actuate said latch device.
  • a drive shaft In telegraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on said type shaft to be rotated thereby, a latch plate, a latch on said latch plate cooperating with the stops on the index wheel and normally tending to move into engagement therewith, a. selector, means connected with said selector to actuate said latch, a cushioning member connected with said late h late, and resetting means to disengage said atch from said stops and reset the same.
  • a drive shaft In teleoraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on said type shaft to be rotated thereby, alatch coperatin with the stops on said index wheel, a se ecting/device, means actuated by said selecting device to operate said latch 1 and a cushioning device positively connected with said latch.
  • an index wheel provided with stops, a connected type wheel iaving characters, a latch device coperati ing with the stops on said index wheel, a
  • cushioning device positively connected with said latch device, a selector and means connected with said selector to actuate said latch device.
  • an index wheel provided with stops, a large type wheel having bulletin characters thereon connected with said index wheel, a latch device coperating with the stops on said index wheel, a f
  • cushioning device positively connected with said latch device, a. selector and means connected with said selector to actuate said latch device.
  • an indexr wheel In telegraph printers, an indexr wheel., a connected type wheel having characters, a pneumatically cushioned latch device coperating with said index wheel, a selector and means connected with said selector to actuate said latch device.
  • an index Wheel 55 In telegraph printers, an index wheel rovided with stops, a connected type Wheel aving characters, a pneumatically cushioned latch device coperating with the stops on the index wheel, a selector and means connected with said selector to actuate said latch device.
  • a connected large type Wheel having bu letin characters a latch device coperating with the stops on said index wheel, a fluid cushioning device c0- operating with said latch device and means to actuate said latch device.
  • an index wheel In telegraph printers, an index wheel, a connected type wheel having characters, a fluid cushioned latch device coperating with said index Wheel and means to actuate said latch device.

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Description

MM TORNE VS a sums-snm 1.
Patented Har.1,1910.
G. L. CAMPBELL H. G. DAVIS.
w/r/vessss r l 1x G. L. CAMPBELL 6u. H. G. DAVIS.
TELEGBAPH BULLETIN PRINTER.
nrmourlon rxnnn 11011.11, nos.
950,473. Patented Mgr. 1, 1910. 1,9 L asusta-sum1' n.,
TTOHNE YS WIM/ESSE l E TORS i MMM w@ G. L. CAMPBELL & H. G. DAVIS.
TELBGBAPH BULLETIN PRINTER.
APPLIoA'rIoN rum) xov.11, 190s.
Patented Mar. l1, 1910.
5 SHEETS-SHEET 3.
games u BY .Y
M TTURNEYS G. L. CAMPBELL & H. G. DAVIS.
TBLEGRAPH BULLETIN PRINTER.
APPLICATION YILED FOV.11, 1008. 950,473, Patented Mar. 1,1910.
SHEETS-SHEET 4.
ATTOHNE YS G. L. CAMPBELL & H. G. DAVIS.
TBLBGBAPH BULLETIN PRINTER.
APPLIOATIOI FILED lov. 11I 1908.
950,473. Patented Mar.1,191o. 5 SHEETS-SHEET 5. [7119,41
are. 'ramenant-,m i
UNITED srargngs PAnN'r onnron.
GEORGE L. CAMPBELL AND HARRY G. DAVIS. OF WILLIAMSPORT, `IPEN'NSYLV'ANIA, ASSIGNORS, BY DIRECT AND MESN E ASSIGNMENTS, TO ELECTRIC PRESS BULLETIN COMPANY, OF WILLIAMSPORT, PENNSYLVANIA, A CORPORATION OF DELAWARE.
TELEGRAPH BULLETIN-PRIN TER.
Specification of Letters Patent.
Patented Mar. 1, 1910.
Application filed November 11, 1908. Serial No. 462,059.
To all whom it may concern:
Be it known that We, GEORGE L. CAMPBELL and HARRY G. DAVIS, citizens of the United States, and residents of lVilliamsport, Lycoming county, Pennsylvania, have made certain new and useful Inventions Relating to Telegraph Bulletin-Printers, of which the following is a specification, taken in connection with the accompanying drawings, forming part of the same.
This invention relates to telegraph bulletin printers and relates especially to telegraph printers suitable for use in printing newspaper bulletins and the like in page -orm on a continuous web of paper and in which the type may be as large as several inches in height, such printers being controlled if desired by a single electrical circuit over which well known alternating or other electrical impulses are sent out from a transmitting instrument.
In the accompanying drawings showing in a somewhat diagrammatic manner an illustrative embodiment of this invention and in which the same reference numeral refers to similar parts in the several figures, Figure l is a front elevation. Fig. 2 is a side elevation. Fig. 3 is a partial side sectional view showing the inking devices. lP ig. 4 is an enlarged transverse sectional view showing the index latching and printing devices. Fig. 5 is a detail view showing the type shaft friction clutch. Fig. 6 is a detail view showing the latching devices. Fig. 7 is a detail view showing the feed and return gear. Fig. 8 is a detail side section showing printing and actuating devices. Fig. t) is a partial front view thereof. Fig. 10 is a detail showing the contact plate and arm; and Fig. 11 is a circuit diagram.
In the illustrative embodiment of this invention shown in the drawings a rigid frame for the machine mayY he formed of the side pieces GO, ('33 connected by suitable transverse braces. including the feed rail 190 a djacent the bottom, as shown in Fig. 1. The shaft 20T of the web roll 1Q? may as indicated in Fig. 2 be mounted on suitable bearings such as the friction rolls 125 supported in brackets on the frame. The continuous paper web 63 which may have a width of several feet if desired is preferably' led around a suitable floating or other tension device, such for example, as the tension roll 85 mounted in suitable arms 36 on the shaft 176 which may be loosely mounted in bearings in the frame so as to allow this floating roll to oscillate freely in the web loop. A brake 39 of any desired description may be mounted to cooperate with a suitable brake drum 180 on the web roll shaft 297 and the brake rod 37 may be pivotally or otherwise connected with the brake and have a suitable adjustable spring 38 normally holding the brake in engagement with the drum with the desired force. As the paper web 03 is withdrawn by suitable feeding devices the loop in which the floating tension rollS rests is shortened and the tension roll raised until its swinging arm 36 engages the brake rod and lifts the rod and connected brake free from the drum, whereupon the weight of the tension roll withdraws additional paper from the web roll until the brake again comes into engagement. In this way the paper is always kept under a definite tension and the undesirable strains incident to starting a large roll of aper are avoided.
As is indicated in Fig. et, the paper web may be passed over the guide rod 195 and under the printing platen cooperating with the type wheel 50 carrying the printi'xig characters. Then the paper web after ass.- ing around the roll 79 may be carrie upward to form an exposed bulletin face (35 of the desired extent and then pass over thc feed roll 135. The shaft 197 of this roll mounted adjacent the up er end of the frame may carry the feediing' ratchet 133 with which the holding pawl 1236 may engage and also the feeding' pawl 134i mounted on a feed arm 194 swinging about the shaft 19T so as to intermittently feed the paper forward an amount corresponding to ay line of the printed matter. A gripping roll 132 ma)7 be mounted in suitable grip levers 131 on the frame and forced against the feed roll to the desired extentl to give a goed gripping action thereto` this gripping roll being held in adjustment by a suitable wing nut 196 shown in dotted lilies in F ig. Q. The paper web may if desired be disposed of by being wound upon the winding roll 19.9 having the winding shaft 198 mounted in the frame and provided with a suitable frictional drive connected with the feed roll or other part of the machine.
The Windingpulleyi 61 loose on the winding shaft 128 is indicated in Fig. 1 as having the friction clutch or disk 162 pressed into engageinent therewith by a suitablespring so that the belt 163 connecting this winding pulley with a corresponding pulley 16st on the shaft 197 of the feed roll tends to overwiiid the winding shaft and roll, suitable slip taking place at the friction clutch so that the web is always wound on the winding roll 129 as fast as delivered by the feed roll and kept at the desired tension.
The type shaft 58 may be mounted in suit able bearings in the machine frame and carry rigidly secured thereto the index wheel 33 adjacent one end and a suitable contact arm 51 adjacent the other if desired, this arni as indicated in Figs. and 11 being provided with the desired number of suitable contact springs to cooperate with the annu- J lar rows of contacts on the contact plate or selector.
and contact springs are preferably mounted so that each contact may occupy a greater as 108, 109 may of course operate the escape` angular space and thus permit the more rapid operation of the machine. For the saine reason the index devices are also preterably provided with a plurality of annularly arranged rows of stop devices, such as the stop pins 32 and 57, for example, which as indicated may be arranged on either side of a single index wheel if desired, which may also be provided with a corresponding number of notches 222 adjacent its periphery as indicated in Fig. f1.
As indicated in Fig. 11 the contact spring lOl may cooperate with the inner ring of contacts and the contact spring 103 also mounted on the contact arm 51 may similarly cooperate with the outer ring of condevices on the index wheel. The sunflower controller, however, is preferably provided with several additional control .wcontacts which may as indicated in Fig. 11 be wired directly to the control devices of the machine, such for example, as the motor controlling magnets and 157 for holding the switch lever 102 in such position as to coinplete the circuit between suitable contacts 158 and 1(30 in the motor power or control circuit 159. 101. Similar contacts from the controller may also operate the paper feed magnet 35, the spacing magnet 113and so forth. rThis controller is of the regular suntlower construction employed in printing telegraphy having the escapemciit ratchet.
; 110 to operate. the controller arni 112 engaging the ring of contacts 100, all the contacts of the selector or contact plates being D ofcourse connected by the wiresI with A luralit i of rings of contacts the corresponding number of the controller contacts. Suitable escapement magnets, such ment pawl 111 to allow the controller arm 112 to rotate around the contacts when the cscapeinent magnets are actuated by the intermittent or alternating electrical impulses usually employed. Such impulses may be sent out over the line wires 143, 144 connected to a number of printers to be simultaneouslyactuated by transmitting mechl anism diagrammatically indicated in Fig.
l1 as comprising a pin cylinder 145 having a spirally arranged series of pins on its petacts 106 of the selector. rthe spring 1023 5 may as indicated be connected with the commutator ring 52 with which the brush 523 eugages to energize the latch magnet 5t and in a similar way the contact spring 10-1 may be connected with the con'iniutator ring 52 with which the brush 53 engages to energize the latch magnet 54 at the desired time.
As indicated in Fig. 1, the type wheel 5t) may be slidingly mounted on the type shaft 5S and be rotated in unison therewith by the splines cooperating with corresponding slots in the hub ot' the type wheel, as shown riphery corresponding to the number of contacts on the controller. This cylinder is connected with a drive pulley 18S through the pinion 154 and gear 152 having a friction clutch connection with the shaft of the pin cylinder so that this cylinder normally tends to rotate and is continuously rotated except when one of its pins is engaged by the correspending key of tbe key-board` only one hey being indicated. This pin cylinder may be geared or otherwise connected with a suitable commutator 146 engaged by the brushes 177, 1.78 supplied with. current from a gencrater 14:9 through a circuit in which the resistances 174 are normally included. The brushes 170, bearing on this coininutator 140 thus normally send out over the line wires 143, lill alternating impulses of modcrate intensity sutiicient to actuate the sunber of contacts on the selector and with the number of stop pins, notches or other stop flower controllers on each instrument connected with the line. The pulle}l 188 also may be similarly connected with the operatingl .shaft 187 on which the connnutator 147 and detent wheel .14S are mounted and normally tend to rotate. The. operating magH net 181 in the line circuit is connected with the spring-actuated pawl '182 cooperating with the detent so as to accurately stop the detent and commutator at intervals of a partial revoliition. The brushes 1.83, 184 as indicated are connected in shunt around the l (ltl clutch lever and brought into engagement l with the clutch lever on the return clutch l operativelv engaging the return clutch shell To with the feed shaft 165 and rotating the same in the, direction indicated by the ar- E row to rapidly return the type wheel and its i feed carriage to the l e; i'i1inine` ot' the liue. rl`hereu11ion the engagement o'l the callar 1T by the stop 1S throws the control bar and control lever in the other direction, returnf ing the clutch lever 2 to the position indicated in the drawings so that the shifter Ti' is brought back into engagement with the feed clutch shell T5 which is once more clutched to the feed shaft 103 'for regular 3 feeding when the feed clutch latch 8 is detached.
The stopping or latching devices eoiperating with the index wheel may comprise the latch plate 91 pivoted about the pin h5 in the extension or bracket Jl ot` the frame. as indicated in Figs. t and G. This latch plate may carry one or more latches 5G, 5G pivoted thereto and yieldingly pressed inward by a suitable spring, such as 103.` Suitable latch magnets l, 5l may be mounted on the latch plate and provided with pivoted armatures normally held up in retracted position by suitable springs, suf-h as 102, in which position the upward extcn- 4 .siens ot` the varmatures rest below the lower extensions or tails 130. 13? of the latches so as to hold them in the disengaged inoper :nire position shown in Fig. t'. The latch plate may he connected with any desired cushioning' device such as the cushioning cylinder (30, the piston in which may have its connected cushioning' rod flo connected with the latch plate by the pivotetl link 18 hewn in Fig. l, a suitable spring 101 engaging' the outlet end U3 and nornially tcnding to return the cushioningl rod and connectcd piston into thel position indicated` the cushioning action on the piston being of course adjusted by the throttling or vadjusting valve G1.
When through the controller and lector devices previously described in connection with Fig.. 11 one ot` the selector contacts 10G for instance is energized, the spring' 102) carried b v the contact arm 51 i and the connected latch magnet 5t is correspondingly energized when the contact .spring passes into ei'igagement with the energized contact. This latch magnet thereupon instantly draws down itsl armature rei leasing the latch 5G which innnediatelyv swings inward into the path oic the stop pin t The if? on that side otl the index wheel 313.
' .stop piu swings the latch and connected latch plate outward, the inertia of the index and type wheels and connected parts being absorbed in the cushioning devices, so that the type wheel is quickly brought to a stop without undesirable shock, any desired form l drive shaft G5.
of connection between the cushioning devices, such as the cam 9i' on thercnshioning rod 9G, serving to force upward into the corresponding notch 222 in the index wheel the locking pawl 4T which may be pivotally mounted on the pin 221 in the projection 9&2 of the trame. As the locking pawl 47 rises s it. carriesI up the printing hook 121 normally loosely hooked over this pawl as indicated iu Figs. et and 9, this hook being pivotally or otherwise loosely connected with the hook lever 126 as shown in Figs. 4 and 9, this lever 126 being secured to the sleeve 119, the.
l other end of which carries the printing latch 11T cooperating with the one-revolution stop printing clutch 118 cooperating with the lVhen this latch is released the stop clutch automatically clutches the loose extension or cam shaft 223 with the drive shaft so as to make one revolution therewith, the cam S8 on this shaft engaging and forcing down the inner end of the latch detacher against its setting spring 101 so that its outer end rises and engages the l tail of the latch which has been operated and forces the same upward so as to swing the corresponding latch outward into the inoperative position indicated in Fig. G, so that the corresponding armature can swing upward and hold it in this position. The releasing pin 224 mounted on this cani shaft thereupon engages the hook finger 183 swinging the hook 121 outward away from the locking pawl, the cam 49 on this cam shaft also oscillating the lever actuator 48 shown in Figs. 8 and .l. The printing eccentric il on the cam shaftv is also simultaneously open ated oscillating the eccentric rod 4st and connected printing har Q1. mounted in the trame as indicated in Figs. 1 and A4. The link S25 serves to connect'J the upper end oi this bar 2l with the rock lever 26 pivoted to the printing rod 2T to operate the toggle levers Q9 connected with the printing platen U2 at various points along the same so as to :torce this printing platen and the paper beneath the same as indicated in Fie. 4 down into printing engagement with the cooperating type on the type, wheel 50. It desired, a
1 .suitable aliner may be employed to insure the accurate alinement of the index and type wheels and it desired a pivoted almer 31 may be used t'or this purpose and may be operated by a suitable connection, such as the pin 89 on the printing bar 24e projecting through a suitable slot 88 in the 'trame member and cooperating with a suitable slot in the aliner to force the same downward so that the inclined notches 124.-, 125 on either side ot' the wheel are adapted to coperate with the stop pins 57 thereon and Vtorce them into the narrow upper portions of these notches in which they lie When the printing contact takes place. The latch plate, after the release of the operating latch as indilGll lllO
its.;
cated, is of course forced backward into its l normal position indicated in Fig. 4 by the cushioning spring 104 and the locking pawl g 47 descends after the cam 97 has been disl engaged therefrom so that the printing hook l 121 may be swung into'place over the same 1 as indicated in Fig. 9 by a suitable spring shown in dotted lines.
The actuating lever 48 which as indicated is oscillated every time a character is printed is provided with a free end normally prot jecting beneath the feed hook 6 shown in l l1`ig. 1 and `somewhat diagrammatically in Fig. 8. This feed hook is pivoted at itslv lower end to the feed hook lever 7 loosely engaging at its lower end the feedvbar 116 i shown in Figs. 1 and 7, this feed barcarrying at its outer end the feed clutch latch 8 and thus withdrawing the same from engagement with the feed stop clutch 283 when the actuating lever 48 is oscillated, so as to i feed forward the type wheel and its car riage one space every time a character is printed. The spacing magnet 113 indicated in Fig. 7 also causes a similar spacing when actuated by the corresponding contact on the sunflower controller. This magnet or solengid may have its armature pivotally` connected with the spacing bar 114 normally pressed into engagement with the detaching pin 202 and spacing lever 115 having itsl other end loosely connected with the feed l bar 110 by being located in a suitable notch or slot therein, as illustrated in Fig. 11. The feed bar is thus longitudinally moved to cause the type wheel and carriage to be t carried forward one space when the spacing 5 magnet is actuated, the spacing bar 114 being disengaged from the spacing lever when l the detaching incline 203 engages the detaching pin 202 so as to swing the bar outward against the action of its spring.
In order to prevent the actuation of the .spacing magnet and connections just described when the type wheel and carriage are l at the end of the line a suitable safety device may be employed in the form of the feed safety bar indicated in Figs. 1, 7 and l 11. as being pivotally connected to the con- 1 trol lever 1. This bar 20 may be provided with suitable projectionsl or lugs loosely engaging the lower end of the spacing bar 114 so as to swing the same out of engagement with the spacing lever 115 when the control lever has been swung outward by the control bar 16 as the feed carriage and type wheel roach the end of the line. Under these circumstances, the safety feed bar 20 will also engage and close the spring contacts 142 so that if under these conditions the con troller arm 112 assumed the position indicated in Fig. 11 to actuatc the Ispacing magnet, the spacing bar actuated by this magnet I would be prevented from operating the feed bar and space feed and the closure of thel contacts 142 vwould thereupon energize the paper feed magnet to feed the paper up' one line and return the feed carriage and" tating the feed roll 135 is pivoted by the pin 195 to the connector 23 which ma be pivoted at its lower end to the feed lever 191 mounted on the pin 192 inthe frame and carrying a suitable cam follower 193 at its lower end to copcrate with the feed Cam so that for every revolution of the feed cam the feed arm will be oseillated and the feed roll advanced through the space of one printed line. The feed cam 40 as indicated in Figs. 8 and 9 is operated by a one-revolution stop clutch 4G of any desired construe tion whenever the paper feed clutch lever 42 is withdrawn from the pawl 41 of the clutch. The arm 13 of this lever 42 pivoted to the frame cooperates as indicated in Fig. 1 with the paper feed bar 34 having if desired a pivotal connection with the armature of the paper feed magnet4 35 so as to give it a momentary oscillation when the magnet is energized in the same general way as the spacing magnet described. The upper lateral extension of the hook bar 14 indicated in Fig. 1 as slidingly mounted on the frame member rests` as is indicated over the paper feed lever 191 so that when this lever is actuated the hook bar is raised and similarly raises the clutch lever hook 3 pivoted by the pin 4 to the extension of the return clutch lever 2. In this way when the paper is fed up a line the return clutch is operated by its lever and the type wheel and carriage return to the beginning of the line. In order g to prevent a. feed of the carriage in this dii rection when the feed carriage has already been returned to the beginning of the line as when the paper is being fed up a number of lines to exhibit the printed matter thereon, a suitable return guard may be provided in the form, for instance, of the projecting guard or finger 5 shown in dotted lines in Fig. 1 secured to the lower depending end of the clutch lever hook 3 and in the path of the feed carriage. Thus when the feed carriage is at the beginning of the line the return guard is engaged thereby and the clutch lever hook swung about its pin 4 so that its upper end is swung out of the path of the hook bar 14 and kept in this inoperative position so long as the feed carriage is at the beginning of the line.
ln the position indicated in Fig. '1, the end of the actuating lever 48 lies as indicated beneath the feed hook 6 so that as described the oscillation of this actuating t lever when any letter 1s printed raises the feed hook and advances the feed carriage and type wheel one space along the line.
-the lastspace in the line the collar 19 on lVhen, however, the carriage has reached l the control bar is engaged by the stop 1S. thereby slightly moving the control bar ld and connected control lever 1, the pin S3 swinging in the slot 84 in the return clutch lever 2 without moving the lever. This movement of the controtl lever correspondingly moves the links 9 and 1l pivoted to 1 the feed hook (i and to the paper feed hook l 12 whose upper end is pivoted to the paper i feed clutch lever 4Q, 18. In this way these hooks are laterallyT displaced to a sufficient l extent so that the end of the actuating leve;` 4.8 when it rises engages the paper feed hook 12 instead of the feed hook G. Thus when a character is rinted at the end of the'line i instead of feet ing forward the type wheel and carriage another siace, the paper feed mechanism is actuated hy the actuating lever 48 through the connections described and, the return clutch mechanism is also operated through hook bar l-t, clutch lever hook 3 and return clutch lever Q so as to return the carriage to the beginning of the line. l
Any desired inlting mechanism may he employed to properly ink the character printed upon the web. If desired, this may ie accomplished by keeping the characters on the type wheel constantly inked by suitable inking devices mounted on the carriage and indicated in Fig. 3. The ink fountain 166 is shown as supported from the cariiage 138 and provided with a supply roll 120 journaled within the saine. rl`hc inlting t roll 122 may as indicated be loosely jonrnaled in the fountain by having its journals mounted in suitable slots therein so that it can properly engage the type wheel charl acters whenever for example the doctor roll l' engages the saine, this doctor roll heilig if desired mounted in suitable swinging arms 12st and pressed between the supply and inking rolls by the springs 12?.
Having described this invention in connection with an illustrative embodiment thereof, to the details of which disclosure the invention is not of course to be limited, what is claimed as new and what is desired to be secured by Letters Patent is set forth in the appended claims.
l. In telegraph irinters, a paper web snpply, a paper feeding device to feed said paper and forni an exposed face thereon. a drive shaft, a type shaft, frictional gearing normally tending to rotate said type i shaft from said drive shaft, an index wheel provided with notches on said type shaft, rows of stop pins on both sides.A of said index wheel, a type wheel provided with characters mounted on said type shaft to rotate therewith and longitudinally movable thereon, a selector cooperating with .said type shaft and having a plurality of rows of conpluralityx contact springs'mounted on sau type s aft I' to engage said -selector contacts, a sunflower n contacts ot said tacts, a Contact arm having a controller adapted to be connected with lino wires energized by electrical impulses, the
y contacts of said controller being electrically V connected with said selector contacts. a feed sha ft, a carriage connected to said feed shaft.
` and type wheel to longitudinally more said type wheel from said feed sha-ft, feed gear to operate said feed shaft from the drive shaft, a pivoted hitch plate, a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet actuating each latch and coni nected with the corresponding selector contact spring.I a dctaclier to detach said latches from said stops and reset the saine, a` pneumatic cushioning cylinder, a piston in said cylinder connected with said latch plate and a connected locking pawl cooperating with the notches of said index wheel. a printing' hook cooperating with saidloclting pawl, a
printing stop clutch operated by said printing hook, a cam shaft contro led by said clutch, releasing connections between said printing hook and said clutch, a lever actuator opei ated from said shaft and means on said cani shaft to operate the resetting device, a printing platen cot'pera'ting with said paper web and connections to operate .said platen from the printing clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed honk to operate said paper feeder, a feed bar to operate the feed `gear. means comprising a. feed hook to operate said feed bar, control incans operated from .said carriage to bring lsaid feed hook :1nd said papei' feed hook selectively into cotipcration with the aetuator, and return guard means operated at the beginning otl a line to prevent the re turn gear being operated.
2. ln telegraph printers, a` paper web snpply, a paper feeding device to feed said paper and form an exposed face thereon, a drive shaft, a type shaft, frictional gearing normally tending to rotate said type shaft from said drive shaft, an index wheel prof vided with notches on said type shaft. rowsy of stop pins on both sides of said index wheeha type wheel provided with characters mounted on said type shaft to rotate therewith and longitudinally movable thereon. a `selector cot'perating with said type shaft and having a plurality of rows of contacts, a contact arm having a plurality of contactl sii-ings mounted on said type shaft to engage said selector contacts, a suntiower controller adapted to be connected with line wiies enei '.ed by electrical in'ipulses, the controller being eleetritailly connected with said selector contacta, a feed shaft, a carriage connected to said feed shaft and the type wheel to longitudinally move llt) said type Wheel from said feed shaft, feed gear to o erate said feed shaft from the g drive sha t, a movable latch plate, a pluralit-y of latches on said latch plate each cowheel. a latch magnet controllinor each latch contact device and a cushioning device connected with said latch late, a printing clutch, connections operating said clutch on the operation of the latch mechanism, an actuator operated from said clutch, a printing platen coperating with said paper web, connections to operate said platen from the f iiected with said selector and adapted to be energized by electrical im iulses, a pivoted latch plate, a plurality o latches on said latch plate each cooperating with a set of operating with a set of stops on the index printing clutch, a paper feeder to actuate the pa er feed device, means comprising a pa er eed hook to operate said paper feeder, a eed bar to operate the feed gear, means comprising a feed hook to operate said feed bar. and control means operated from said carriage to bring said feed hook and said paper feed hook selectively into coperatioii with the actuator.
3. In tele apli printers, a drive shaft, a f
type shaft, rictional gearing normallyY teiiding to rotate said type shaft from said drive shaft, an index wheel provided with notches on said type shaft, rows of stop pins on both sides of said index wheel, a type wheel provided with characters mounted on said type shaft to rotate therewith and longi tudinally move thereon, a selector coperating with said type shaft and having a plurality of rows of contacts, a contact arm having a pluralitv of contact springs mounted on said type shaft to engage said selector contacts, a sunflower controller adapted to lie connected with line wires energized by electrical impulses, the contacts ot' said controller being electrically connected with said stops on the index wheel, a latch magnet actuating each latch and connected with the and connected with a correspon ing selector corresponding selector contact ded/ice, a detaclier to detach said latches from said stops i and reset the same. a pneumatic cushion cylinder coiperating with said latch plate, a
liiston in said cylinder connected with said atch plate and a locking pawl connected with and actuated by said cushioning cylinder.
In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel having notches and a plurality of rows of stops connected with said type shaft, a type wheel provided with characters mounted on said type shaft to rotate therewith and be longitudinally movable thereon. a selector having a plurality of .sets of contacts, a contact member connected with said type shaft and carrying a plurality of contactdevices to cooperate with said iets of contacts. a controller connected with lsaid selector and adapted to be energized selector contacts, a pivoted latch plate, a
plurality of latches on said latch plate each coperating with a set of stops on the index wheel, a latch magnet actuating each latch and connected with the corresponding selector contact device, a detacher to detach .said latches from said stops and reset the saine. a pneumatic cushioning cylinder cooperating With said latch and a locking pawl connected with and actuated by said cushioning cylinder.
l. In telegraph printers, a drive shaft. a
rality of rows of stops connected with said b v electrical impulses, a pivoted latch plate, a plurality of latches on `said latch plate each copei'ating with a set of stops on the index wheel, a latch magnet actuating each latch and connected with the corresponding selector contact device, a detacher to detach lsaid latches from said stops and reset' the same, a pneumatic cushioning cylinder cooperating with said latch plate, a piston in said cylinder connected with said latch plate and a locking pawl connected with and actuated hy said cushioning cylinder.
G. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, :in index wheel having notches and a plutype shaft, a type wheel provided with characiers mounted on said type shaft to rotate late, a piston in said cylinder connected wit said latch plate therewith and be longitudinally movable thereon, a selector having a. plurality ot sets of contacts, a contact member connected with said type shaft and carrying a plu ality of contact devices to coperate with said type shaft, frictional gearing normally tending to rotate said type shaft from said drive shaft. an index wheel provided with notches on said type shaft, rows of stop pins on both sides of said index wheel, a type wheel provided with characters iiionnted on said type shaft to rotate therewith and longitudinally movable thereon, a selector having a plua plurality1 of contact devices to coperate with said sets of contacts, a controller consets of contacts, a controller connected with said selector and adapted to be energized by electrical impulses, a movable latch plate,
a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a hitch magnet actuating each latch and connected with the corresponding contact device ot' the selector. a cushioning member connected with said latch plate and iality ot sets of contacts, a contact member l connected with said type shaft and carrying v a locking pawl to engage the index wheel operatively connected with said cushioning device.
7. In telegraph printers, a drive shaft, a
type shaft, connections normally tending to rotate said type shaft from said drive shaft,
rality of rows of stops connected with .said l type shaft, a type wheel provided with characters mounted on said type shaft to rot alc therewith and be longitudinally movable thereon, a selector having a plurality of sets of contacts, a contact member connected with said type shaft and carrying a plurality of contact devices to cooperate with said .sets of contacts, va controller connected with said selector and adapted to be energized by electrical impulses, a movable latch plate. a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet controlling each latch and connected with a corresponding selector contact device and a cushioning dcvice connected with said hitch plate.
selector contacts to provide control contacts 4 and circuits for the printer, a movable latch an index wheel having notches and a plu- 8. ln telegraph printers. a drive shaft. a y type shaft. connection,` normally tendingl to i rotate said type shaft from .--aid drive shaft, an index wheel having notches and a plurality of rows of stops connected with said type shaft, a type wheel provided with characters mounted on said type shaft to rotate therewith and be longitudinally movable thereon, a selector having a plurality otl sets of contacts corresponding in number with the stops on the index wheel and the characters on the type wheel, a contact member connected with said type. shaft and carrying a plurality of contact devices to coperate with said sets of contacts, a controller connected with said selector' and having a number of contacts in excess of .said selector contacts to provide control contacts and circuits fcr the spacing, paper feeding and motor control devices, a movable latch plate a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet actuating each latch and connected with the corresponding contact device of the selector. a cushioning member connected with said latch plate and a locking pawl to engage the index wheel operatively connected with said cushioning device.
9. In telegraph printers` a type shaft, connections normally tending to rotate said type shaft from said drive shaft` an index wheel having a plurality of rows of stops connected with said type shaft. a type wheel provided with characters mounted on said type shaft to be rotated thereby and move longitudinally thereof, a selector having a plurality of sets of contacts corresponding t in number with the stops on the index wheel and the characters on the type wheel, a contact member connected with said type shaft and carrying a plurality of contact devices to cooperate with said sets of contacts, a controller connected with said selector and having a number of contacts in excess of said plate, a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet controlling each latch and connected with a corresponding selector contact device and a cushioning device connected with said latch plate.
1t). In telegraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided With stops connected with said type shaft and a type wheel having characters mounted on said type shaft to be rotated thereby, a selector having contacts corres onding in number with the type wheel ciaracters, a contact member connected with the type shaft and cooperating with the selector contacts, a controller connected with said selector and having a number of contacts in excess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch on said latch plate coperating with the stops on the index wheel` means connected with the selector to actuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and opera tively connected with said cushioning device,
l1. In telegraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on sald type shaft to be rotated thereby, a sclector having contacts, a contact member connected with said type shaft and coperating with said contacts, and a controller having contacts connected to the selector contacts and adapted to be actuated by electrical impulses. a movable latch plate, a latch on said latch plate cooperating with the stops` on the index wheel, means connected With the selector to actuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and operatively connected with said cushioning device.
12. In telegraph printers` a drive shaft, a type shaft. trictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaftl and a type wheel having characters mounted on said type shaft to be rotated thereby, a selector having contacts, a contact member connected with said type shaft and coperating with said contacts. and a controller having contacts connected to the selector contacts and adapted to be actuated by elec trical impulses, a latch plate, a latch on said latch plate cooperating with the stops on the index wheel and normally tending to move into engagement therewith, means connected with the selector toactuate said latch, and l resetting means to disengage said latch from said stopsdand reset the same.
ff., 13. In telegraph printers, a drive shaft, a web roll supplying a web of paper, a tension device for said web, a paper feed device operated from said drive shaft to feed said web and form an exposed bulletin face, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index Wheel provided with stops connected with said type shaft and a large type wheel havin bulletin characters thereon mounted on sai type shaft to rotate therewith and move longitudinally thereon, an electrical controller and connected means engaging said stops for selectively controlling said type wheel and printing characters therefrom.
14. In tele aph printers, a drive shaft, a type shaft, ictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said t e shaft and a large type Wheel having bul7 etin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon, al selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate with` said contacts, a latch plate, a latch on said latch plate coperating with the stops on the index wheel, means connected with the selector to actuate said latch, and resetting means to disen age said latch from said stops and reset tie saine.
15. In telegraph printers, a drive shaft,
.a type shaft, frictional connections. normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon. a selector havin contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate with said contacts. a movable latch plate, a latch on said latch plate coperating with the stops on the index wheel, means connected with the selector to actuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and operatively connected with said cushioning device.
1G. In telegraph printers. a drive shaft, a web roll supplying a web of pa er. a tension device for said web, a paper eed device operated from said drive shaft to feed said web and form an exposed bulletin face, a tvpe shaft, connections normally tending to rotate said type shaft, an index wheel provided with stops connected with said ty e shaft, a controller and means for selective y controlling said type wheel and printing characters therefrom.
1T. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a. large type wheel having bulletin characters thereon mounted on said type shaft, a Selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate with said contacts, a latch plate, a latch on said latch plate cooperating with the stops on the index Wheel and normally tending to move into engagement therewith, means connected with the selector to actuate said latch,.a1id resetting means to disengage said latch from said stops and reset the same.
18. In telegraph printers, a drive shaft, al type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft, a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to coperate With said contacts, a movable latch plate, a latch on said latch plate cooperating with the stops on the index wheel, means connected with the selector to actuate said latch, a cushioning deviceconnected with said latch late and a locking pawl engaging said in ex wheel and operatively connected with said cushioning device.
19. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index Wheel provided with stops connected with said type shaft and a large t pe wheel having bulletin characters tiereon mounted on said type shaft, a selector having contacts corresponding in number with the type Wheel characters, a contact member connected with the type shaft and coperating with the selector contacts, a controller connected with said selector and having a number of contacts in yexcess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch cn said latch plate coperating with the stops on the index Wheel, means connected with the selector to actuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and operatively connected with said cushioning device.
Q0. In tele aph printeis, a drive shaft, a type shaft, rictional connections normally tending to rotate said type shaft from said drive shaft, an index Wheel provided With stops con-nected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon, a selector having contacts corresponding in number with the type wheel c aracters, a contact member connected with the type shaft and cooperating with the selector contacts, a controller connected With said selector and having a number of contacts in excess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch on said latch plate cooperating with the stops on the index wheel, means connected with the selector to actuate said latch, a cushionin device connected with said latch plate, a ocking awl engagin said index Wheel and peratively connecte with said cushioning evice, a printing laten cooperating with the pa r web andp type wheel characters, a printinr rod and toggle connections between said rod and printing platen, means to operate said printing rod-,from the printing means and an aliner operated by said means to engage the stops on said index wheel and holding said type wheel in alinement while said printing platen is in engagement. y
21. In tele aph printers, a drive shaft, a type shaft, rictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said t pe shaft and a large type wheel having bu letin characters thereon mounted on said type shaft to rotate therewith and move longitudinally thereon, a selector having contacts corresponding in number with the type wheel characters, a contact member connected with the type shaft and cooperating with the selector contacts, a controller connected with said selector and having a number of contacts in excess of the selector contacts to provide control contacts and circuits for the printer, a movable latch plate, a latch on said latch plate cooperating with the stops on the index wheel, means connected with the selector to actuate said latch, a cushioning device connected with said latch plate, a ocking pawl engaging said index wheel and operatively connected with said cushioning device, a printing platen cooperating with the paper web, and connections to opcrate said platen from the printing means and an aliner operated by said connections to holdl said type wheel in alinement while said platen is in engagement.
Q0. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft, a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to cooperate with said contact, a movable latch plate,a -latchfon said latch plate cooperating with the stops on the index Wheel, means connected with the sclector to actuate said latch, a cushionin dcvice connected with said latch plate, a oeking pawl engaging said index Iwheel and operatively connected with said cushioning device, a printing platen cooperating with the paper web, connections to operate said platen from the printing `means and an aliner operated by said connections to hold said type wheel in alinelnent while said platen is in engagement. A
9.3. In telegraph printers,"a drive shaft, a type shaft, connections normally tending to rotate said t pc shaft from said drive shaft, an index w eel providedwith stops connected with said ty e shaft'and a large type wheel having bul etin characters thereon mounted on said ty e shaft, a selector liaving contacts adapte to be selectively energized, a contact device connected to said type shaft to cooperate with said contacts, a latch cooperating with the stops on said `index wheel and means actuated by the sclector to operate said latch, a. printing platen cooperating with the paper uch, connections to operate said platen and an aliner operated by said connections to hold said type wheel in alinement while. said platen 1s in engagement.
24. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft. an index wheel provided with stops con nected with said ty e shaft and a large type Wheel having bul etin characters thereon mounted on said type shaft, a selector having contacts adapted to be selectively energized, a contact device connected to said type shaft to cooperate with said contacts, a fluid cushioned latch cooperating with the stops on said index wheel, means actuated by the selector to operate said latch, a printing platen cooperating with said paper web and connections to operate said platen.
Q5. In telegraph printers, a drive shaft, a type shaft, frctional gea ring normally tending to rotate said type shaft from said drive shaft, an index wheel provided with notches on said type shaft, rows of stop pins on cach side of said index Wheel, electrical selector Contact devices connected with said type shaft, a type Wheel provided with characters y mounted on said type shaft to rotate therewith and longitudinally movable thereon, a pivoted latch plate, a plurality ot latches on said latch plate each cooperating with a set of stops on the index wheel. a latch magnet actuating each latch and connected with the corresponding selector contact dcvice, a detacher to detach said latches from said stops and reset the same, a pneumatic cushion1ng` cylinder coperating with said latch plate, a istonein said cylinder'conncctcd with said latch plate, and a lookin pawl connected with and actuated by sait cushioning cylinder.
26. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel having notches and a lurality of rows of stops connected with said type shaft, a type wheel provided with characters-@mounte on said ty eshaft to rotate therewith and be longitu inally movable thereon, electrical selector contact dcvices connected with said type shaft, a pivoted latch plate, a plurality of latches on said latch plate each coperating witha set of stops on the index Wheel, a latch magnet actuating each latch and connected with the corresponding selector Contact device, a
detacher to detach said latches from saidstops and reset the same, a pneumatic cushioning cylinder coperatin plate, a iston in said cy inder connected with sai latch plate, and a lookin pawl connected with and actuated by sai ioning cylinder.
27. In telegraph printers, a drive shaft, a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index wheel having notches and a lurality of rows of stops connected with said type shaft, a type wheel provided with characters mounted on said type shaft to rotate therewith and be longitudinally movable thereon, electrical selector contact devices connected with said type shaft, a movable latch plate, a plurality of latches on said latch plate each eoperatin with a set of stops'on the index Wheel, a fetch magnet actuating each latch and connected with the corresponding contact device of the selector, a cushioning member connected with said latch )late and a locking pawl to engage the in ex wheel operatively connected with. said cushioning device.
28. In telegraph printers, a drive shaft,'a type shaft, connections normally tending to rotate said type shaft from said drive shaft, an index Wheel having notches and a plurality of rows of stops connected with said type shaft, a type wheel provided with characters mounted on said type shaft to rotate therewith and be longitudinally movable thereon, electrical selector contact devices connected with said type shaft, a movable latch plate, a plurality of latches on said latch plate each cooperating with a set of stops on the index wheel, a latch magnet controllinfr each latch and connected with a correspondingv selector contact device andl a cushioning device connected with said latchplate.
29. In telegraph printers, a drive shaft, a
type shaft, connections normally tending tol 'stops connected with sai with said latch cushrotate said type shaft from said vdrive shaft, an index wheel having a plurality of rows l type shaft, a movable latch plate, a plurality connected with a corres ending selector con l tact device and a ens ioningV device con- L nected with said latch plate.
30. `In telegraph printers, a drive shaft, a
an index wheel having a (plnralit of rows of type s aft a type wheel provided with characters mouiited on move ongitudinally thereof,a movable iatcli plate, a lurality of latches on said latch plate eaci coperating with a set of stops on the index wheel, a latch magnet actuating each latch a cushioning member connected with said latch plate and a locking pawl to enga e the index wheel operatively connected wit said cushioning. device.
31. In tele aph'printers, a drive shaft, a typeshaft, tending to rotate'said type shaft from said drive shaft, an index wheel provided with stops connected with said-type shaft and a type wheel havin characters mounted on said type shaft tol rotated thereby, a movable latch plate, a latch on said latch plate coperating with the stops on the index wheel, means to aetuate said latch, a cushioning device connected with said latch plate and a locking pawl engaging said index wheel and operatively connected with said cushioning device.
32. In tele raph printers, a drive shaft, a type shaft, rictional connections normally tendinghto rotate said type shaft from said drive s aft, an index wheel provided with stops connected with said type shaft and a.
type wheel havin characters mounted on` a plurality of sets of separately positioned and independently acting stops connected with said type shaft and a type wheel having characters mounted on sald type' shaft to berotated thereby, a plurality `l atches e 8c type shaft, connections normally tending to rotate said type shaft from said drive shaft,
ictional connections normally 85 said tvpe shaft to be rotated thereby and each coperating with the corresponding set of sto s on said index Wheel, a controller' and se ector means actuated by said controller to operate said latches.
In telegraph printers, a paper feed device, a type shaft and connected drive `vshaft, a type wheel on said type shaft,means j for selectively operating said type Wheel, a feed shaft, a carriage connected to said feed shaft and the type wheel to longitudinally move said type Wheel from said feed shaft, feed gear to operate said feed shaft from the from said carriage to bring said feed hook and said paper feed hook selectively into cooperation with the actuator, a return guard i connected with said feed hook and lying in out of engagement While the carriage is at the beginnin of a line and a feed safety bar connecte with the control means to re- .strain the operation of the spacing magnet and act-nate the paper feed magnet when the carria e is at the end of a line.
erating said type Wheel. a feed shaft, a carriage connected to said'feed shafty and type wheel to longitudinali)v move said type Wheel from said feed shaft, feed gear to operate said feed shaft from the drive shaft, a printing clutch, connections operating said clutch on the operation of the selecting means, an
actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprisine a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, means comprising a feed hook to operate said feed bar, control means operated from said carriage to bring said feed hook and said paper feed hook selectively into coperation with the actuator, and a feed safety bar to restrain the operation of the spacin T magnet when the carriage at the end of a line and instead actuate the paper feedei.
36. In telegraph printers, a drive shaft, a paper feed device. a type shaft, a type uheel on said type shaft, means for selectively operating said type wheel, a feed sha ft, a carriage connected to said feed shaft and the type Wheel to longitudinally move said type wheel from said feed shaft, feed gear i to operate said feed shaft from the drive shaft, a printing clutch, connections o erating said clutch on the operation of t e sen telegraph printers, a drive shaft, a paper feed device, a type shaft, a type Wheel on said type shaft, means for selectively op- {lee/ting means, an actuator operated from l said clutch, a paper feeder to actuate the' i paper feed device, means comprising a ai per feed hook to operate said aper fee er,
a feed bar to operate the feedp gear, means comprising a feed hook to o crate said feed bar, control means operate from said carriage to bring said feed hook and said paper feed hook selectively into coperation with g the actuator, and a feed safety device havg ing means to actuate the same adjacent the end of a line and restraining the. forward operation of the feed gear.
37. In telegraph printers, a drive shaft, a paper feed device, a type shaft, a` type wheel on said type shaft, means for selectively operating said type Wheel, a feed shaft, a carriage connected to said feed shaft and type Wheel to longitudinall move said type wheelr from said feed shaft, feed "ear to operate said feed shaft from the diive shaft, a printing clutch, connections operating said clutch on .the operation of the se lecting means, an actuator operated from paper feed devlce, means comprising a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, means comprising a feed hook to' operate said bar, control means operated from said carriage to bring said feed hook and said paper feed hook selectively into coperation with the actuator, and safety devices operated at the end of a line to prevent further advance feed of the carriage.
2 38. In telegraph printers, a drive shaft, a paperfeed device, a ty e shaft, a. type Imvheel on said type sha t, means for selectively operating said type Wheel` a feed l shaft, a carriage connected to said feed shaft and type Wheel to longitudinally' move said type wheel from said feed shaft, feed gear to operate said feed shaftfrom the drive shaft, a printing clutch, connections operating said clutch on the operation of the selector means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, means comprising a feed hook to operate said feed bar, control means operated from said carriage to bring said feed hook and said paper feed hook selectively into co eration with the actuator, and return guar means operated at the beginning of a line to prevent the return gear being operated.
39. In telegraph printers, a drive shaft, a paper feed device, a type shaft, a typo i Wheel on said type shaft, a controller' and l connected means for selectively operating said type wheel, a feed shaft, a carriage connected to said feed shaft and the type `Wheel to longitudinally move said type l Wheel from said feed shaft, feed gear to op l said clutch, a paper feeder to actuate the the path of said carriage to hold said hook erate said feed shaft from the drive shaft, a rinting clutch, connections operating said clutch on the operation of the selecting l means, an actuator operated from said i clutch, a paper feeder to actuate the paper l feed device, means com rising a paper feed hook and a paper fee magnet to operate said paper feeder, a feed bar to operate the feed gear, a spacing magnet actuated from said controller anda feed hook to operate said feed bar, control means operated from the carriage to selectively bring said feed hook and said paper feed hook into coperation with the actuator, a return guard connected with said feed hook and lying in the path of said carria e to hold said hook out of engagement Whi e the carriage is at the beginning of a line and a feeda safety device connected with the control lever to restrain the operation of the spacing magnet and actuate the paper feed magnet when the carriage is at the end of a line.
40. In telegraph printers, a drive shaft, a paper feed device, a type shaft, a t pe wheel on said type shaft, a controller an connected means for selectively operating said type wheel, a feed shaft, a carriage connected to said feed shaft and type wheel to longitudinallv move said type wheel from said feed shaft, feed gear to operate said feed shaft from the drive shaft, a printing clutch, connections operating said clutch on the operation of the selecting means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook and magnet to operate said paper feeder, a feed bar to operate the feed gear, a spacin magnet actuated from said controller an a feed hook to cgnerate said feed bar, control means operate from the carriage to selectively bring said feed hook and said paper feed hook into cooperation with the actuator, and a feed safety bar to restrain the operation of the spacing magnet when the carriage is at the end of a line and instead actuate the paper feed magnet.
41. In telegraph printers, a drive shaft, a paper feed device, a type shaft, a type wheel on said ty shaft, means for selectively operating said type wheel, a feed shaft, a carriage connected to said feed shaft and type wheel to lon itudinally move said type wheel from said eed shaft. feed gear to operate said feed shaft from the drive shaft, a printing clutch, connections operating said clutch on the operation of the selector means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook to operate said paper feeder, a feed bar to operate the feed gear, a spacin magnet. and a feed hook to operate said eed bar, control means operated from the carriage to selectively bring said feed hook and said paper and restraining the operation of 'the spacing magnet.
42. In telegraph printers, a drive shaft, a paper feed device. a type shaft, a type wheel on said type shaft, a controller, means for f i' selectively operating said type wheel, a feed shaft, a carriage connected to said feed shaft and type wheel to longitudinally move said type wheel from said feed shaft, feed gear to operate said .feed shaft from the drive shaft, a rinting clutch, connections operating said clutch on the operation of the selecting means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a paper feed hook to operate said paper ee er, a feed bar to operate the feed gear, a spacing magnet actuated from said controller and a feed hook to o erate said feed bar, control means operate from the carriage to selectively bring said feed hook and said paper feed hook into coperation with the actuator, and a safety device operated at the'end of a line to prevent further advance feed of the carriage.
43. In telegraph printers, a drive shaft, a paper feed device, a type shaft, a type Wheel on said type shaft, a controller, means for selectively operating said type wheel, a feed shaft, a carriage connected to said feed shaft and type wheel to longitudinally niove said type Wheel from said feed shaft, feed gear to operate said feed sha-ft from the drive shaft, a (printing clutch, connections operating sai clutch on the operation of the selecting means, an actuator operated from said clutch, a paper feeder to actuate the paper feed device, means comprising a aper feed hook to operate said paper fee er, a feed bar to operate the feed gear, a spacing magnet actuated from said controller and a feed hook to operate said feed bar, control means operated from the carriage to selectively bring said feed hook and said paper feed hook into coperation With the actuator. and return guard means operated at the beginning of a line to prevent the return gear being operated.
44. In telegraph printers, a weh roll, a tension roll floating in a loop of the Web from said web roll, swinging arms in which said tension roll is mounted, a brake restraining said web roll and a brake rod to be engaged by one of said tension roll arms when said loop is decreased to thereby release said brake, guides around which said paper Web passes, a feed roll and frictionally connected Winding roll to rewind said web and form an exposed bulletin face thereon, a feeding pawl and feeding arm coperating with said feed roll,a drive shaft a type shaft, frictional connections normaliy tending to rotate said straining said web roll and a brake rod to be engaged by one of said tension roll arms when said loop is decreased to thereby release said brake, guides around which said paper web passes, a feed roll and frictionall)T connected winding roll to rewind said web and form an exposed bulletin face thereon, a feeding pawl and feeding arm coperatin with said feed roll, a drive shaft, a type sha t, connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on sai type shaft, and means for selectivel operating said type wheel and printing c aracters therefrom.
46. In telegraph printers a web roll, a brake ooperating with sai roll, a tension roll in a loo of the web from said web roll and control ing said brake, a feed roll and winding roll to rewind said web and form an exposed bulletin face thereon, paper feedin means coperating with said feed roll, a drive shaft, a type shaft, frictional connections normall tending to rotate said type shaft from said drive shaft, an index wheel provided with sto s connected with said type shaft and a arge type wheel havin bu letin characters thereon mounted on sai type shaft to rotate therewith and move lon 'tudinally thereon, and means for se lectively operating said type wheel and printing characters therefrom.
47. In telegraph printers a web roll, a brake cooperating with sai roll, a tension roll in a loo of the web from said web roll and controlling said brake, a feed roll and winding roll to rewind said web and form an exposed bulletin face thereon paper feeding means coperatin with sai feed roll, a drive shaft, a type s aft, connect-ions normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a large type wheel having bulletin characters thereon mounted on said type shaft, and means for selectively operating said type wheel and printing characters therefrom.
48. In telegraph printers, a drive shaft, a type shaft, Frictional connections normally tending to rotate said type shaft from said l i 1 l l i i l l i l l l drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on' said type shaft to be rotated thereby, aalatch coperating with the stops on said index wheel, a selecting device, meansl controlled by said selecting device to operate said latch and a fluid cushioning device connected with said latch.
49. In telegraph printers, an index wheel provided with stops, a connected'type wheel having characters, a fluid cushioned latch device cooperating with the stops on said index wheel, a selector and connected means to actuate said latch device.
50. In telegraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on said type shaft to be rotated thereby, a latch plate, a latch on said latch plate cooperating with the stops on the index wheel and normally tending to move into engagement therewith, a. selector, means connected with said selector to actuate said latch, a cushioning member connected with said late h late, and resetting means to disengage said atch from said stops and reset the same. y
51. In teleoraph printers, a drive shaft, a type shaft, frictional connections normally tending to rotate said type shaft from said drive shaft, an index wheel provided with stops connected with said type shaft and a type wheel having characters mounted on said type shaft to be rotated thereby, alatch coperatin with the stops on said index wheel, a se ecting/device, means actuated by said selecting device to operate said latch 1 and a cushioning device positively connected with said latch.
52. In telegraph printers, an index wheel provided with stops, a connected type wheel iaving characters, a latch device coperati ing with the stops on said index wheel, a
cushioning device positively connected with said latch device, a selector and means connected with said selector to actuate said latch device.
53. In telegraph printers, an index wheel provided with stops, a large type wheel having bulletin characters thereon connected with said index wheel, a latch device coperating with the stops on said index wheel, a f
cushioning device positively connected with said latch device, a. selector and means connected with said selector to actuate said latch device.
54. In telegraph printers, an indexr wheel., a connected type wheel having characters, a pneumatically cushioned latch device coperating with said index wheel, a selector and means connected with said selector to actuate said latch device.
l Il) ISO 0 "{erating with said index wheel, means to selectively actuate said latch device and printing means to print from the selected characters on said type wheel.
i 57. In telegraph printers, an index Wheel 55. In telegraph printers, an index wheel rovided with stops, a connected type Wheel aving characters, a pneumatically cushioned latch device coperating with the stops on the index wheel, a selector and means connected with said selector to actuate said latch device.
56. In telegraph 1printers, an index wheel, aconnected type W characters, a
eel having device coppneumatically cushioned latc coperating with the stops on the index wheel, means to selectively actuate said latch device, printing means to print from the selected characters on said t pe Wheel and an aliner engaging and holding said type Wheel in allnement when said printing means operates.
provided with sto s, a connected large type Wheel having bu letin characters, a latch device coperating with the stops on said index wheel, a fluid cushioning device c0- operating with said latch device and means to actuate said latch device.
60. In telegraph printers, an index wheel, a connected type wheel having characters, a fluid cushioned latch device coperating with said index Wheel and means to actuate said latch device.
GEORGE L. CAMPBELL. HARRY G. DAVIS.
Witnesses:
J. F. KATZMAIRI, FRANK S. MORGAN.
59. In telegraph printers, an index wheel having characters, a cushioned latch device l
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438887A (en) * 1944-08-18 1948-04-06 Harry W Allen Automatic braking device
US2772878A (en) * 1951-10-29 1956-12-04 Siemens Ag Device for advancing tape records in telegraph apparatus
US2802049A (en) * 1955-08-09 1957-08-06 Sperry Rand Corp Magnetic printer
US2879063A (en) * 1957-08-30 1959-03-24 Package Machinery Co Web supply means
US2911085A (en) * 1957-07-01 1959-11-03 Burroughs Corp Wire printer with oscillatory print head
US2926602A (en) * 1957-05-20 1960-03-01 Burroughs Corp Automatic printer
US2938455A (en) * 1954-12-31 1960-05-31 Ibm Wire printer
US2949846A (en) * 1958-03-28 1960-08-23 Burroughs Corp Printing mechanism
US4386564A (en) * 1980-02-14 1983-06-07 Epson Corporation Serial printer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438887A (en) * 1944-08-18 1948-04-06 Harry W Allen Automatic braking device
US2772878A (en) * 1951-10-29 1956-12-04 Siemens Ag Device for advancing tape records in telegraph apparatus
US2938455A (en) * 1954-12-31 1960-05-31 Ibm Wire printer
US2802049A (en) * 1955-08-09 1957-08-06 Sperry Rand Corp Magnetic printer
US2926602A (en) * 1957-05-20 1960-03-01 Burroughs Corp Automatic printer
US2911085A (en) * 1957-07-01 1959-11-03 Burroughs Corp Wire printer with oscillatory print head
US2879063A (en) * 1957-08-30 1959-03-24 Package Machinery Co Web supply means
US2949846A (en) * 1958-03-28 1960-08-23 Burroughs Corp Printing mechanism
US4386564A (en) * 1980-02-14 1983-06-07 Epson Corporation Serial printer

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