US2083061A - Printing machine - Google Patents

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US2083061A
US2083061A US549347A US54934731A US2083061A US 2083061 A US2083061 A US 2083061A US 549347 A US549347 A US 549347A US 54934731 A US54934731 A US 54934731A US 2083061 A US2083061 A US 2083061A
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printing
sheet
machine
control
sheets
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US549347A
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Walter T Gollwitzer
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AB Dick Co
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Multigraphics Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41LAPPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L47/00Details of addressographs or like series-printing machines
    • B41L47/58Arrangements or devices for selecting, or for facilitating selection of, text or image to be printed

Description

in Sheets-Sheet 1 PRINTING MACHINE W. T. GOLLWITZER Original Filed July 8, 1931 June 8, 1937. I

June 8, 1937.

w. T. GOLLWITZER PRINTING MACHINE Original Filed July 8, 193).

10 Sheets-Sheet 2 773MW Z 10 SheetS-xSheet 3 June 8, 1937. w. T. GOLLWITZER PRINTING MACHINE Original Filed July 8, 1931 June 8, 1937. w. T. GOLLWITZER PRINTING MACHINE Original Filed July 8, 1931 10 Sheets-Sheet 4 June 8 1937. w. T. GOLLWITZER 2,083,061

PRINTING MACHINE I Original Filed July 8, 1931 10 Sheets-Sheet 5 June 8,. 1937. w. T. GOLLWITZER PRINTING MACHINE Original Filed July 8, 1931' .I LO Sheets-Sheet 6 w. "r. GOLLWITZERY 2,083,061

PRINTING MACHINE 1o Sheets-Sheet '1 Original Filed July 8, 1931 June 8, 1937.

w. T. GOLLWITZER 2,083,061

v PRINTING MACHINE Original Filed July 8, 1931 10 Sheets-Sheet 9 June8, 1937. w. T. GOLLWITZER PRINTING MACHINE Original Filed July 8, 1931 10 Sheets-Sheet 10 MINI nunnr vvvvvv vvvvvvvv Patented June 8, 1937 UNITED STATES PATENT OFFICE PRINTING MACHINE Application July 8, 1931, semi No. 549,341 Renewed July 29. 1935 42 Claims.

This invention relates to printing machines of the kind wherein impressions are made on sheets successively passed therethrough.

In machines of this kind the sheets are some- 5 times severed from-a web to be passed through the machine and a permanent form is printed thereon in the machine. Sometimes the permanent form is printed on the sheets prior to introduction thereof into the machine. ,As the 10 sheets move through the machine other impressions, usually in the nature of names and addresses, are made thereon from changeable printing devices sequentially passed through the machine. Usually impressions are made on each 15 sheet from .a changeable printing device, and, when the sheets are sectional, impressions are made from the printing device onto each section of the sheet. Sheets of this nature are used as ,bills by gas, electric and telephone companies and n the like, and they are also used as notices or for other purposes by insurance companies and the like. In addition to the permanent form and the data adapted to be printed on the sheets from the changeable printing devices, other variable data is often printed thereon, as. for example, quantities, prices and extensions thereof and the like. This variable data is related to data adapted to be printed from the changeable printing devices.

An important object of my invention is to provide a novel printing machine wherein data may be printed from changeable printing devices and wherein other variable data, related to the data printed from the changeable printing devices, may also be printed onto sheets passed through the machine.

A further important object of the invention is to provide an apparatus to identify individual elements of one set of devices with individual Q elements of another set, supposed or intended to correspond therewith, and particularly to eflect such identification during a useful operation on or in connection with the elements of one set by appropriate mechanism.

45 Other objects include the provision of a machine arranged to compare relates devices, such as sets of control cards and printing devices determined by control devices so passed through the machine that the relation between the variable data and the data adapted to be printed from changeable printing devices may be. maintained.

Sometimes the variable data is arranged in groups and afurther object is to individually print the data of the various groups and to move the sheet into positions whereat this individual printing may be performed.

Other objects are to provide a mutable or settable printing. mechanism to print variable data; to so position the sheets that the impressions will be made thereon at predetermined places; to operate the various parts of the machine in definite timed relation; to effect a signal, as by interrupting the operation of the machine in the event of improper operating conditions; and to provide a Fig. 3 is a rear elevation of the mutable printing mechanism;

Fig. 4 is a detail view of the control device moving and detecting mechanisms;

Fig. 5 is a. vertical sectional view of the mechanism illustrated in Fig. 4;

Fig. 6 is-an elevation of the left hand end of the machine shown in Fig. 1;

Fig. 7 is an elevation looking in at the right hand side of Fig. 4;

Fig. 8'-is a detail view of an operating mechanism and control therefor;

Fig. 9 is a fragmentary plan view of the printing device detecting mechanism;

Fig. 10 is a front elevation of the mechanism illustrated in Fig. 9;

Fig. 11 is an end elevation of the mechanism illustrated in Figs. 9 and 10;

Fig. 12 is a fragmentary front elevation similar to Fig. 10 and showing the mechanism in another position;

Fig. 13 is a detail view of the control device handling mechanism;

Fig. 14 is a schematic perspective view of the mutable printing mechanism;

Fig. 15 is a diagrammatic view illustrating the electrical connections used with the control device and printing device detecting mechanisms; and

Fig. 16 is an elevation of a typical sheet to be printed in the machine.

General arrangement (sheet feed and driving mechanism) In the selected embodiment of the invention illustrated in the accompanying drawings, I have shown a novel printing machine of the kind wherein impressions are made from changeable printing devices onto sheets moved through the machine. This printing machine may be, for example, one of the kind disclosed in my copending application, Serial No. 497,439, filed November 22nd, 1930 (now Patent No. 2,002,772, issued May 28th, 1935), and it includes a table [8 on which impressions are made onto the sheets S stored in a rack I mounted at one end of the machine frame H. The sheets stored in the rack T are cut to size and have a permanent form printed thereon.

Alternatively, the invention may be used with a printing machine of the kind disclosed in the application of Emmett C. Hartley, Serial No. 459,- 599, filed June 6th, 1930, wherein the permanent form is printed on sheets that are severed from a web withdrawn from a roll of paper.

The sheets severed from the web, or withdrawn from the rack 'I' in the manner disclosed in my copending application, Serial No. 497,440, filed November 22nd, 1930 (now Patent No. 2,002,773, issued May 28th, 1935), are moved onto endless conveyor belts.26, directed about pulleys 21 and 2| mounted at opposite ends of the table i8 and also around guiding pulleys such as 29 carried by the brackets 30 on the frame H, to be moved through the machine whereby impressions may be made thereon from the changeable printing devices and the mutable printing mechanism.

The disclosed machine includes a drive shaft ll journaled in the frame I! and having a flywheel driving pulley 20 rotatablv mounted thereon. A clutch controlled by the lever 2| is used to connect the pulley 20 to the shaft I! to thereby transmit power supplied to the pulley, from a suitable source, to the shaft l3. On the shaft is there is a bevel gear 22meshing with a bevel gear 23 fast on the platen operating shaft 24 which extends across the machine and which acts through a suitable mechanism to operate the platen P. A cam shaft 25 is provided and this cam shaft and the conveyor belts 28 are driven from the shaft it in the manner described in my Patent 2,002,772, above mentioned.

The cam shaft 25 operates stop fingers F which engage the sheets 8 carried by the belts 25 to orient the sheets in position below the platen P whereby said platen may make impressions thereon through the usual ink ribbon from the changeable printing devices which are moved into printing position relative to the platen.

Changeable printing devices; teed therefor The changeable printing devices, which may be arranged as individual address printing members, (example at D, Figs. 2, 9, and 15), are introduced into a magazine M in a predetermined sequence and are withdrawn from the magazine and passed through printing position in a stepby-step manner, and when sectional sheets'are being printed the printing devices are retained in printing position until an impression it" been made therefrom onto each section of the sheet receiving impressions from this printing device. A typical means for withdrawing such printing devices and for retaining them in printing position is disclosed in my copending application, Serial No. 497,438, filed November 22nd, 1930, (now Patent 2,002,771, issued May 28th, 1935).

Example of work printed The sheet S is illustrated in detail in Fig. 16 and embodies three sections onto each of which sections an impression R is made from a printing device D, the impression R consisting, for example, of a name and address and other pertinent data. A typical changeable printing device D is illustrated in Fig. 9, and consists of a frame 35 having a printing plate 36 "and a, card 31 on one face thereof. The printing plate is embossed to provide the printing characters for making the impression R, and it should be noted that in addition to the type characters for the impression R the printing plate has characters embossed thereon which represent an account number N. This account number is printed onto the sheet at a predetermined place as, for example, in the middle section on the sheet S shown in Fig. 16.

In order that the account number N will be printed on the sheet only at selected places, the platen P is provided with a portion which may be receded and the number N will only be printed when the portions of both sections of the platen are aligned. One form of receding platen and means for controlling the same are illustrated in my Patent 2,002,772, and this form may be used herein, the cam shaft 25 carrying, when this form of receding platen is used, a suitable cam for controlling the platen.

The platen shaft 24 makes one complete revolution for each section of the sheet to be printed but the cam shaft 25 makes but one revolution during the printing of a sheet, this'ratio of operation between these shafts being determined by suitable gearing.

Mutable printing mechanism The conveyor belts 26 move the sheet into a mutable printing mechanism wherein variable data is printed on the sheet after the sheet has been properly printed by the platen P. The mutable printing mechanism is adapted to print data related to the impressions made from the changeable printing devices.

Control and identification devices The operation of the mutable printing mechanism is determined by the conjoint action of main .control devices and cooperating control devices,

the latter being carried on the changeable printing devices.

The main control devices C, Fig. 1a, are introduced into a magazine A in the same sequence as the sequence of the printing devices intro- I 34, located at the stage W.

I Control device C The control device C may be in the nature of a card of a non-conductive material and has a lineation thereon with which suitable identifying indicia is associated. The control device is perforated at predetermined places in the lineation relative to the indicia and means cooperating with these perforations determine thefunctioning of the printing mechanism.

In Fig. 1a it may be seen that associated with a portion of the lineation is the indicia, Street number and House number. made in the lineation relative to this indicia designate the account number of the control device .and the account number on the control device is the same as the account number on the printing device to which the particular control device is related; as for example, the printing device D illustrated in Fig. 9 bears the account number "HO-1260 and the control device C illustrated in Fig. 1a is perforated in association with the indicia, "Street number and House number tohave the same account number.

The control device C having said-account number is used to set up the mutable printing mechanism to print the variable data on the sheet which received impressions from the changeable printing device bearing the corresponding account number, which account number, incidentally, is imprinted on the sheet by the receding portion of the platen P.

Identification of control and changeable printingdevices To ascertain whether or not the sequence of the control devices corresponds to the sequence of the changeable printing devices so that the interrelation thereof will be insured, a detecting means, now to be described, and acting on indicia of both the control devices and printing devices, is provided in the machine.

The printing devices D are withdrawn from the magazine M and are passed through four stages, W, X, Y, and Z, (Fig. 2), the stage Z being printing position in the machine while the stage W is the one immediately in front of the magazine M. Since the machine is provided with four stages for the printing devices D, it is necessary to provide four stages for the control devices. The stages W, X, Y, and Z for the printing devices are provided in the printing device guideway and the corresponding stages for the control devices, indicated by W, X, Y, and Z, (Fig. 5) are provided about the periphery of a drum 34.

Feeding of control devices C (drive, etc.)

A slide 3i is mounted for reciprocation below the magazine A and includes a shoulder 32 of slightly less height than the thickness of one of the control devices. Reciprocatory movement is imparted to this slide, and when it is moved toward the left, as viewed in Fig. 4, a control device is moved from the magazine A into a pocket 33 (Figs. 4 and 5) in the periphery of the drum The control device thus moved into the stage W should bear an account number e. g. corresponding to the account number e. g. on the printing device in the stage W, and detecting means act on these devices to determine whether or not the account numbers e. g. do correspond.

If the account number on the control device C should differ from the account number on the printing device, operation of the illustrated ma- The perforations chine is interrupted to permit the operator to ascertain the reason for the discrepancy .and to permit correction.

The mutable printing mechanism and thedrum 34 are operated from a source of power independent of that operating the platen P and allied mechanisms, and this independent source of power includes a motor 33 (Fig. 3) mounted at the rear of the machine and adapted to be connected to a shaft 33 (Fig. 8) through a jaw clutch 40. On the shaft 39 there is a worm gear 4' meshing with a worm wheel 42 fast on the shaft 43 journalled in bearings 44 (Fig. 3) provided in the frame of the machine. Fast on the shaft 43 is a miter gear 45 (Fig. 2) meshing with a miter gear '46 fast on the shaft 41 journalled in bearings 43 carried by the frame of the machine. The drum 34 is fast on a shaft 43 journalled in bearings 43 and secured to this shaft at one end of the drum is a.circular ratchet (Figs. 4 and 6). shaft 43 is a rocker5l carrying a pawl 52 yieldingly urged, by a spring 53, into engagement with the teeth of the ratchet 50. One end of a link 54 (Fig. 4) is pivotally mounted between two crank discs 55 (Figs. 4 and 6) fast to adjacent ends of independent sections of shaft 41. The discs are connected by the crank pin 56 on which the link 54 is pivoted. The crank discs 55 rotate with the shaft 41 and impart a reciprocatory movement to the link 54 to pivot rocker 5| about shaft 49 whereby pawl 52 will successively engage teeth in the ratchet50, said pawl seating in one of said teeth to move said ratchet during counterclockwise movement of the rocker 5i, as viewed in Fig. 4, and freely riding on the periphery of the ratchet during clockwise movement of said rocker.

Thus, a step-by-step movement is imparted to the drum shaft 49 and drum 34 and in this manner the pockets 33 in the periphery of the drum are successively moved through the stages W, X, Y, and Z. The frame of the machine extends between one end of the drum and the ratchet 50. Pivotally mounted at 5| (Fig. 4) on this frame is a pawl 52, urged into engagement with the teeth of the ratchet 50 by a spring 53, and this pawl 52' prevents retroactive movement of the ratchet and the drum.

The slide 3| is synchronically operated with the drum 34 from a rocker 51 (Figs. 4 a d 5)- pivotally mounted on shaft 53 carried by the-frame. On arm 53 of this rocker is a roller 60 riding on the peripheral cam 61 fast on shaft 41. Links 63 are pivotally connected to arms 62 on rocker 51 and to ears 64 depending from the slide 3|. The slide.3l and the drum 34 are so timed that'the leading edge of a control device moved by the slide 3| will engage the leading end of a pocket 33, these pockets being defined between adjacent sets of spaced abutments 65 (Fig. 13).

At a tangential; point on the drum 34, in substantial horizontal alignment with the line of .movement of the control device, as caused by the slide 3|, a plurality of rollers 66 are mounted on a shaft 66. 'I'he'rollers are spaced along the shaft so that the abutments 65 may pass therebetween. Immediately after the leading edge of a control device engages the abutments 65 at, the leading end of a pocket 33, the control device is clamped onto the periphery of the drum 34 by the rollers 66 and will thereafter move with said drum, as a drop on the cam 6i will at this time permit the spring 61 (Fig. 5) to retract the slide 3|. The control device will move with the drum 34 until it is in a position substantially similar Mounted for movement about the.

to that shown in Fig. 5, to rest.

Detecting (control and printing device comparismt) On the next cycle of operation of the machine, suitable detecting means not on the control device so moved from the magazine A to W, and the printing device in the stage W to ascertain whether or not the indicia on the respective devices correspond. The detecting means cooperating with the control device just moved from the magazine into the stage W comprise an insulating block 88 (Fig. carrying a plurality of brushes 69 aligned with that portion of the control device bearing the perforations for the account number. When the drum 84 starts to move, as caused by counter-clockwise operation of the rocker 5|, as viewed in Fig. 4, the control device in the stage W will pass below the brushes 69 into the stage X. At this same time, (see Figs. to 12), detecting means cooperating with indicia associated with the printing device in the stage W will move over the card 31 on the printing device, which, in the example shown, bears the printing device indicia.

Detecting means of printing devices A lineation is provided on the card 31 corresponding to the lineation associated with the indicia Street number and House number on the control device. The perforations will be provided in this lineation corresponding to the account number on the printing device, and the detecting means at the stage W cooperates with these perforations as it traverses the card 81.

The detecting means at the stage W includes an insulating block 10 (Figs. 10 to 12, inclusive) carrying a plurality of brushes H. The "at rest position of the detecting means including the block 18 is illustrated in Fig. 10 and the parts are in this position at the time the drum 34 is in its at rest position, and the detecting means and the drum are moved in synchronism from their at rest positions. The block 10 is carried by an arm 12 pivotally mounted on a frame 18 slidable on rods 14 carried by the frame of the machine. One end of a link 15 (Fig. 2) is connected to the frame 13 and a rack 16 is provided at the other end of the link and meshes with a gear segment 11 (Fig. 4) that is part of the rocker ii, a guide 18 being provided to insure proper movement of the rack 16.

The pitch line of the gear segment I1 is aligned with the periphery of the drum 84 and therefore the speed of movement of the rack will be synchronlc with the circumferential speed of the drum 34. Thus, as the rocker 5| moves, the drum whereat the parts come 34 and the rack 16 and link 15 will move in synchronism and consequently the control device will move from the stage W into the stage X past the brushes 89 in synchronism with the movement of the brushes 1| across the card 81 on the printing device in the stage W, this movement of the brushes 1| taking place during the counter-clockwise movement of the rocker ll.-

, current.

thereof into the position illustrated in Fig. 10. When the arm 12 engages the screw 82, the latch 19 latches the arm 8| and the brushes ii are held in an elevated position whereby as the parts move into the position illustrated in Fig. 12, the brushes H will be held clear of the card 31 and, as the frame 13 approaches the position illustrated in Fig. 12, the tall 83 on the latch 19 engages the adjusting screw 84 to pivot the latch 19 from engagement with the arm 8| to thus release the brushes ll so that when the frame 13 is again moved toward the position illustrated in Fig. 10, these brushes will be in position to traverse the card 31.

Detector circuit (and electrical apparatus) In Fig. 15 it is shown that conductors 85 separately extend between the respective brushes 69 and TI and thatthe winding 86 (Fig. 6) of a relay is connected in each of these conductors. The printing device D in the stage W is completely insulated from theframe of the machine and mounted therebelow is a contact plate 81 (Fig. 12) to which a conductor 88 is connected, and this conductor is connected to one line of a source of electric current. The drum 34 is made of insulating material and at the bottom of each of the pockets 33 there is a conductive contact plate 89. As best illustrated in Figs. 5 and 14, a spring contact 90 is mounted on the frame at one end of the drum 84 to be engageable with the contact plates 89 in the stage W. The contact 90 is carried by and insulated from the frame of the machine. A conductor 9| connects the conductor 90 to the other line of the source of electric current.

As the control devices C move past the brushes 69 and as the brushes 1| synchronically move over the card 31 and if the control device and card are similarly perforated, the brushes will simultaneously pass through perforations in the control device and card. Whenever a brush 6! and a corresponding brush H move through perforations, a circuit will be closed to the relay 88 in the conductor 85 interconnecting the corresponding brushes, the control devices and cards 31 being of insulating material and therefore preventing the closing of the circuit until the brushes pass through openings.

Referring to Fig. 6, each relay 86 includes an armature 92, pivotally mounted in the frame 98 carried by the frame of the machine. Each armature includes a depending leg 94 of insulating material carrying an adjustable screw 95 having a conductor 96 connected thereto. Whenever the armature 92 of a relay is in its unattracted position, shown in Fig. 6, the screw 95 engages a spring contact 91 having conductor 98 connected thereto. When, however, a relay 88 is energized the armature 92 thereof is attracted and latched in the pawl 99, normally urged toward the armature by the spring I00. When an armature is so attracted the circuit between the screw 95 and the contact 91 associated therewith is opened.

Referring now to the electrical diagram, Fig. 15. each of the conductors 98 is shown as connected to a conductor Ill, and each of the conductors 98 to a conductor I02. The conductor llll is connected to one terminal of a suitable source of The conductor I02 is connected to one end of the winding of an electro-magnet I08. A conductor I84 is connected to the other end of the winding of the electro-magnet and to the other terminal of the source of current.

step-by-step manner with the drum into the va- I Timing switch and relay operation In the conductor IN is a timing switch I05 (Figs. 6 and 15), which is controlled by acam on the cam shaft 20. The armature I06 of the electro-magnet I is connected to the clutch controllever 2| (Figs. 1 and 15) When the 'control device C passing below the brushes 69 is perforated to correspond to the card 31 traversed by the brushes II, all of the relays 80 will be energized and each of the armatures 92 will be attracted and consequently each of the screws .95 will be disconnected from the spring contacts 91 and therefore circuit between the conductors IIH and I02 will be opened. Thus, when the cam shaft 25 operates to close the timing switch I05, the electro-magnet I03 will not be energized and the armature I06 thereof will not move the arm 2| to disconnect the clutch. However, should either or both of corresponding brushes 69 and II fail to simultaneously move through perforations, circuit to the relay 06 in the conductor 85 connecting these corresponding brushes will not be closed and consequently the armature 92 thereof will not be attracted and therefore the contacts 05 and 91 will not be separated and circuit between the conductors IM and I02 will be closed.

From'the above it is apparent that when the timing switch I05 is closed, the electro-magnet I03, Figs. 1 and 15, will be energized and the armature I06 will be attracted and the lever 2| will be operated and consequently the clutch controlled thereby will disconnect the pulley 20 from the shaft I9 and operation of the machine will be interrupted. Manifestly, this will occur when the account numbers on the control and printing devices do not correspond and since operation of the machine will be interrupted the operator will thus be signalled and may ascertain the nature of the discrepancy between the control and printing devices and may make the necessary correction.

It is within the purview of my invention to provide suitable indicating means which may be operated from the relays 06 to inform the operator precisely where the discrepancy occurred to facilitate location of the trouble.

Summary of comparison The foregoing detecting operation is performed on each of the printingdevices D moving into the stage W and each of the control devices C moving into the stage W and therefore operative similarity between these devices may be insured so that the corresponding devices will move through the machine in definite relation to each other. It follows that the impressions from the mutable printing mechanism will be made onto sheets receiving impressions from the changeable printing device corresponding to the control device determining the set-up of the mutable printing mechanism.

Mutable printing mechanism control As the control device C moves from the stage W into the stage X it passes below a set of rollers 61' which are spaced similarly to the spacing of the rollers 06 to permit the abutments 00 to pass therebetween. The rollers 61 serve to retain the control device in the stage X on the periphery of the drum and at spaced intervals about the periphery of the drum there are other sets of rollers 60 which are similar to the rollers GI and 06, and these sets of rollers serve to retain the control devices in the pockets on the drum 34 as these control devices are moved in a rious stages. The various sets of rollers, spaced about the periphery of the drum between the tangential position whereat the control device moved by the slide 3| engages the drum and discharge position, have pinions (Figs. 4 and 13) fast on the shafts carrying said rollers. These pinions mesh with a gear fast to one end of the drum 34. The shafts for these rollers are carried in slots in the machine frame and springs II (Fig. 4) act on these shafts to urge the rollers toward the periphery of the drum whereby the control devices will be securely clamped in position, suitable adjustments being provided by varying the tensions of said springs.

The movement of the control devices past the brushes 69 does not affect the mutable printing mechanism as these brushes merely serve to determine whether or not the control device corresponds to the printing device to which it is related. It has been stated, however, that an object of the invention is to print variable data on the sheets related to the impressions made on the sheets from the changeable printing devices.

Typical work In Fig. 16, wherein'a typical sheet to be printed is illustrated, the variable data is printed in two Duplex character of mutable printingmechanism In the illustrated embodiment of the invention, the impressions in the row J are printed in a printing couple E (Fig. 1) and the impressions in the row K are printed on the sheet in a printing couple F (Fig. 1') disposed in the machine in horizontal alignment with the printing couple E. If additional rows were to be printed;

additional printing couples would be provlded. Each of these printing couples includes mutable printing devices controlled by the control devices C. In addltion to the mutable printing devices, each of these printing couples includes a platen P which makes'impressions onto the sheets through a suitable ink ribbon, it of course being understood that inking means other than an ink ribbon might be employed without departing from the ambit of my invention.

Platen operation (mutable printing mechanism) The platen P for the printing couple E has two sections I01 and I00 which are independently mounted to facilitate adjustment thereof to insure that uniform impressions will be made thereby. The platen sections I01 and I00 are mounted on a rocker I09 which embodies arms IIO (Fig. 6) pivotally mounted on the frame of the machine. Springs III act on the rocker arms IIO to urge the rocker into an upper position to support the platen P in spaced relation with the printing devices with which it cooperates. A roller II2 on each of the arms H0 is engageable with a cooperating cam H3 fast on the shaft II 4 journalled in the frame of the machine and having a gear II5 thereon meshing with a gear IIS on the platen operating shaft 24. The ratio between these gears corresponds to the number of sections on the sheets to be printed and in the present instance the ratio is three to one so that the shaft II4 will make but one complete revolution while the platen operating shaft 24 is making three complete revolutions, and therefore the platen P will be operated but once while the platen P is operated three times. A rise III (Fig. 6) on each of the cams II3 engages the roller I I2 cooperating therewith to force the arms H0 downwardly to cause the platen to descend to perform a printing operation.

Character selection (printing couple E) The printing devices in the printing couple E consist of a plurality of elongated type bars I38 (Fig. 14) having the integers zero to nine aligned on. the upper face thereof, these integers being in the form of type characters. These type bars are positioned substantially side-by-side longitudinally of the machine in position so that impressions will be made therefrom at desired places on the sheet positioned relative thereto by the engagement of the leading edge of the sheet, which will be carried by the conveyor belts it, and positioned by one of a series of stop fingers F operated by the cam shaft 25. Castings iii) and I (Fig. 6) provide guides and support type bars I I8 for movement in a horizontal plane. Each of the type bars is acted. on by a spring i2i (Fig. 14) extending between a spring anchor E; on the type bar and a spring anchor I23 on the rod I24 carried by the arms I25 (Fig. 6) fast to the shaft I25 journalled in the frame of the machine. An arm I25 is provided adjacent each end oi the printing couple E and unitary with each of these arms is an arm I27 having a roller I28 at the free end thereof engageable with a peripheral cam I29 fast on the shaft 43. As the shaft 43 rotates, the cams I29 act on the rollers I28 to impart movement to the arms I21 and I25 so that the rod I24 will move toward the right, as viewed in Fig. 6, which is toward the front of the machine. The ends of the various type bars are urged toward the rod I24 by the springs connected thereto and unless otherwise prevented the ends 0! these type bars engage said rod throughout the movement thereof. When the rod moves toward the front of the machine, the type bars will move therewith, and when the rod attains its forwardinost position all of the type bars will be engaging the rod with the respective integers on each of the type bars aligned with corresponding integers of the other of the type bars. Immediately after the rod I24 attains forwardmost position, the cam I29 so acts that the rod I 24 will start to move rearwardly, and this movement is continued until the rod I24 attains its rearwardmost position. A reciprocatory movement is thus imparted to the rod I24 and the type bars and the type characters on these type bars move through printing position below the platen P during this reciprocatory movement.

During said forward movement of the rod I24 the various type bars are moved into forward position to insure alignment of the integers on the respective bars. During rearward movement of these type bars means operate to stop the selected type character in printing position.

Type bar latching (mutabie printing mechanism) On each of the type bars is a series of ratchet teeth I30 spaced correspondingly to the spacing of the type characters and preferably there are as many teeth I30 on each bar as there r e type characters. Associated with each type bar is a pawl I3I pivotally mounted at I32 and including a tail I33 having one end of a spring I34 connected thereto, the other end of this spring being secured to a latch arm I35 pivotally mounted at I35. The spring I34 acts diflerentially and tends to pivot the pawl I3I upwardly and at the same time urges the latch arm toward the end of the pawl. The spring I34 acts on the pawl I3I to hold the nose I38 of the pawl in the notch I31 in the latch arm I35 to thereby hold the pawl I3I out of engagement with the teeth I30. The latch arm I35 is unitary with an arm 35 having a link I40 connected thereto, which limit is likewise connected to the armature ill of an electromagnet I42.

When the electro-magnet I42 is energized, the armature MI is attracted and movement is imparted through the link I40 to the arm I35 to thereby so pivot the latch arm that the notch I31 is disengaged from the shoulder I38, whereupon the spring I34 pivots the pawl I3i upwardly into engagement with one of the teeth 33 to thereby interrupt further movement of the type bar so engaged to thereby position a determined of the type characters in printing position below the platen P. The rod I24 will continue to move with the arms H5, and the spring or" the arrested type bar will be elongated. it. pawl capable of being so operated is associated with. each of the type bars and therefore any one oi the type characters on these type bars may be stopped and retained in printing position by causing the pawl I3I to engage the ratchet teeth at the time the desired type character is in print-- ing position.

Type bar release Extending between the arms I25 is a rod IZ i (Fig. 6) and as the arms I25 and rod i2 1 move forwardly this rod I24 engages the adjustable screws 99 at the upper end of pawls S3 to thereby unlatch the armatures 92 so that the contacts 35 and 91' will be reengaged.

Electrical control of type bar setting After a control device has moved through the stages W, X, and Y, into the stage Z, it is in position to control the type bars I I8 of the printing couple E whereby this printing couple may be arranged to print the proper variable data on a sheet which received impressions from the changeable printing device that has moved from the stage W through the stages X and Y into the stage Z whereat impressions were made on the sheet from this printing device by the platen P. The control device in the stage Z, which is to determine the set-up of the type bars to make impressions on the sheet next to move into the printing couple E, is the control device which was in the stage W at the time the changeable printing device from which impressions were made on the sheet was in the stage W.

In order that the proper type characters on the type bars will be stopped in printing position, the control device in the stage Z moves past a set of detector brushes I43, carried by the insulating block I44, simultaneously with the rearward movement of the rod I24.

The lineation on the control device C is such that the integers associated therewith are in the same sequence as the sequence of the type characters on the type bars so that perforations made at determined points in the lineation will cause a corresponding type character to be stopped in printing position.

It has been pointed out that a plate of conductive material underlies each of the controldevices in the pockets 33. A brush contact I45 (Fig. engages the plate 89 in the stage Z. The brush contact I45 is connected to a suitable source of electric current and one end of the winding of each of the electro-magnets I42 is connected to the other side of the source of current. Each of the brushes I43 may be respectively connected to one end of the winding of one of the electro-magnets I42 whereby each brush I43 will control an electro-magnet I42.

It may be noted that the same brush may be connected to two or more electro-magnets when similar impressions are to be made at spaced places in one of the groups, this being shown in Fig. 16, for as there illustrated some numbers are twice printed in the row J As the control device moves from the stage Z past the brushes I43, circuit will be closed to the various electro-magnets as the brushes I43 pass through perforations in the control device. The perforation in the control device will move into alignment with the brush I43 at the time the desired type character on the type bar associated with the electro-magnet I42 controlled by this brush'moves into printing position, and there-- fore as this brush moves through a perforation, the pawl I3I will seat in the tooth I30 aligned therewith to retain this type character-in printing position. In this manner the various type bars in the printing couple E will be so positioned that the type characters for printing the data in the row J will be aligned with the platen P of the printing couple E.

It should be noticed that certain of the brushes I43 traverse that portion of the control device perforated to determine the account number whereby certain of the type bars III! will be positioned to print this account number N, and these type bars are so disposed that the account numberprinted from the type bars II8 will be printed on a section of the sheet other than that having the account number printed thereon by the receding portion of the platen P, which cooperates with the changeable printing devices D.

The platen P of the printing couple E descends and prints the data in the row J on the sheet and immediately thereafter the rod I24 starts to move toward the right, as viewed in Fig. 6,

or 9, and picks up the various type bars and Printing couple F The control device which previously positioned the type bars H8 of the couple E will now move past the brushes I41 carried by the insulating block I 48, and in moving past these brushes this control device will determine the position of the type bars in the printing couple F. This corresponds to the printing couple E in construction and operation, whereby an impression may be made from the type characters on these type bars onto the sheet in the row Kby the platen P of said printing couple F; said sheet being stopped in printing position relative to said platen P by one of the stop fingers F operated from the cam shaft 25.

Sheet positioning (continued? The impressions in the row K are out of iongitudinal alignment with impressions in the row.J and to permit the printing of the data in these rows I arrange the printing position in the printing couple F out of longitudinal alignment with the printing position in the printing couple E and therefore the sheet may move through the machine in a straight line. However, if desired, the sheet may be moved at an angle to this straight line movement to permit the printing of the row K out of longitudinal align- .ment with the row J, and this may be done by providing meansfor jogging the sheet such as that disclosed in the application of Franklin Edwin Curtis, Serial No. 454,595, filed May 22nd, 1930, now Patent No. 1,941,663, patented January 2nd, 1934.

The stop fingers, which position the sheets relative to the various platens, are retracted immediately after the desired printing operations have been performed to permit the sheet to move along with the conveyor belts 26 into position relative to the next printing couple, and after the last impression has been made on the sheet by the last of the printing couplesthe sheet is discharged into a suitable collector.

Mutable printing mechanism drive (timing operation) The mutable printing devices ofthe printing couples E and F and the drum 34 are operated from an independent source of power consisting of the motor 33. 1

It is necessary that the operation of the mutable printing mechanisms be in timed relation with the operation of the platen P and allied mechanisms and therefore I control the operation of the mechanisms operated by the motor 38 by a cam 38' (Fig. 8) on the cam shaft 25.

The cam 38' has a shoulder 39 thereonwhich v may seat in the notch 40' inthe link H to move this link toward the left, as viewed in Fig. 8, whereby the latch arm 42' will be turned in a counter-clockwise direction about the pivotal mounting 43 to thereby disengage the shoulder 44' from the lug 45'. On the arm 48 is a spring 41' normally holding the shoulder in engagement with the lug. A spring 50 extends between a spring anchor'on. the frame and an arm 48 pivotally mounted at 49. When the shoulder 44 disengages the lug 45, the spring 50' pivots arm 48' to cause thefork 5| riding in the grooved collar of one portion of the jaw clutch 40, to move this collar to engage said jaw clutch. The fork carries a depending lug 52 and when it is moved, as just described, an adjustment screw 53 carried by this lug closes this switch 54 to thereby set the motor 38 in operation.

A roller 25" on the arm 45' is spring-urged into engagement with a cam 24" on the shaft 43 and after the jaw clutch is engaged this cam allows the arm 46' to move downwardly to reengage the lug 45' on the shoulder'44'. Further rotation of the cam then causes the parts to assume their initial positions with the clutch disengaged and the switch 54' opened.

Since the inertia of the motor will not be imparted to the various parts operated therefrom by reason of the disengagement of the clutch, these parts will always stop in substantially the serves same position from which they may be again moved when the clutch is reengaged.

General operation (preparation) The operation of the machine is as follows: A plurality of sheets having a permanent form printed thereon are introduced into the rack T, Fig. l, or when a machine similar to that shown in the referred to Hartley application is to be employed, a web will be arranged so that sheets may be severed therefrom.

Printing devices are introduced into the magazine M and control devices, supposedly arranged in the same sequence as the printing devices, are introduced into the magazine A. The machine is then arranged so that there will be a printing device in each of the printing stages Z, Y, X and W, Fig. 2, and so that there will be a control device in each of the stages Y, X, and W, Fig. A sheet will be positioned on the conveyor belts 26 in engagement with the first stop finger farthest to the right, Fig. 1, which to orient the first section of the sheet relative to the platen P.

Actuation Sheet and positioning The cam shaft and the conveyor belts 2E will also be set in operation and during the time the platen P is ascending after having made the impression on the first section of the sheet a cam on the shaft will retract the first stop finger F and will move the second stop finger into stopping position and as soon as the first stop finger is disengaged from the leading edge of the sheet, the sheet will be carried by the conveyor belt into engagement with the second of the stop fingers to be oriented thereby relative to the platen P to receive an impression on the second section thereof. This operation will be carried out until each of the stop fingers has so oriented the sheet that an impression will be made on each section thereof, whereupon the sheet will move into engagement with the stop finger F (shown between couples E and P, Fig. 1) that orients the sheet relative to the platen P in the printing couple E.

Actuation of mutable printer and control card feed Immediately after the platen P has made the first impression on the sheet from the printing device D in stage Z the cam shaft will move the cam 38', Fig. 8, into such a position that the shoulder 39' thereon will seat in the notch 40 to set the motor 38 in operation and engage the jaw clutch 40 whereby the shaft 43 will be rotated, and this movement will be transmitted through the miter gears 45 and 46 to the shaft 41 to rotate the crank discs 55.

The movement imparted to the crank discs is transmitted through the link 5 to the rocker 5| and the initial movement of the link moves the rocker in a clockwise direction, as viewed in Fig. 4, to withdraw the pawl 52 from engagement with one of the teeth in the ratchet 50 to seat it in the succeeding tooth. Immediately after this pawl is seated in this succeeding tooth, the crank discs aosaoez will have rotated into such a position that movement will be imparted to the rocker 5! in a counter-clockwise direction, and, by reason or the engagement of the pawl 52 in a tooth of the ratchet 50, the drum 34 will be rotated in a counter-clockwise direction.

As the drum N rotates, the card in the stage W will move ast the brushes B9 and the slide 3i will be so ope? atecl that it will move the leading edge of a control device C into position below the roller whereby another control device will be located in the stage W to succeed the control device which has been in the stage W and which now will be located in the stage )1.

Detecting (identification or comparison) At the time the rocker 5i moves in a counterclockwise direction, as viewed in Fig. 4, the frame 13 will be so moved that the brushes "M will pass across the card 3! on the printing device in the stage W, and as the drum will be rotating at this time it is manifest that a control device C will be traversing the brushes G9 in synchronism with the traversing of the card 31' by the brushes ll.

Results of comparison If the control device the card on the printing device are per. "bed correspondingly, circuit to the electro-mall ill; will not be closed at the time the switch lit is closed by the operation of. the cam shaft 25. If, however, the control device and the card do not correspond, the magnet m3 will be energized the time the time switch 15 is closed and operation of the machine will be interrupted. The time switch Hi5 is operated substantially at the time the drum it reaches the end of its movement in a counter-clockwise direction, which carries a card C from one stage to another.

Setting mutable printers As the drum 31 rotates in the above described manner, the control card which has been in the stage Z moves past the brushes 3 to thereby position the type bars in the printing couple E.

Printing devices D; feed and printing At the time the platen P is ascending after having made the last impression R on the sheet positioned therebelow, the printing device feed mechanism will be rendered operative, and the printing device which has been in the stage Z will be moved therefrom and the printing device that has been in the stage Y will be moved into the stage Z, and the sheet will move from the printing couple, including the platen P, into the printing couple E to be positioned below the platen P'.

Printing at Couple E As the platen P descends to make the first impression on the sheet immediately behind that which has moved into the printing couple E, the rises on the cams H3 will engage the rollers H2 to cause the platen P to descend, whereby the impressions in the row J will be made on the sheet. This operation of the platen P is very rapid and immediately after the platen has ascended sumciently to disengage the sheet the rod I24 starts to move forwardly to engage the type bars of the printing couple E, and at the time the rod I attains its forwardmost position and starts to move rearwardly, the rocker 5! will start to move in a counter-clockwise direction. and the drum M will again be rotated and the control device which moved past the brushes I during the previous'movement of the drum 34 will move past the brushes I" to position the type bars in the printing couple F. Manifestly, at this time the control device which has been in the stage Z will move past the brushes I43 and the control device which has been in the stage W will move past the brushes 69 to operate as previously described.

Printing at couple F After the platen P has made the last impression on the sheet associated therewith, the last of the stop fingers F for orienting the sheet relative to the platen P will be retracted and this sheet will move into the printing couple E, and the sheet which has been in the printing couple E will be moved with the conveyor belts 26 to engage the stop finger which positions the same relative to the platen P of the printing couple F.

Simultaneous printing (on D and at E and F) At the time the platen P is descending to make an impression R on the sheet now disposed in position therebelow, the platens P of the printing couples E and F will descend to make impressions on the sheets positioned therebelow, the platen -P' of the printing couple F making the impression in the row K on the sheet which previously received impressions in the row J in the printing couple E.

If there are additional printing couples in the machine, the sheet just receiving impressions in the row K will move into the succeeding printing couple on the next cycle of operation of the machine, and the sheets will so move through successive printing couples until all the desired impressions will have been made thereon whereupon the sheets will pass from the machine into a suitable collector.

Printed comparison index, etc.

The sheets receive impressions R on each section thereof during movement through the machine and in addition the account number N is printed from the changeable printing devices at a desired place or places on the sheets. This account number is also printed on the sheets in one of the printing couples embodying mutable 5o printing devices, whereby it may be easily ascerdetermine, in the machine, whether or not corresponding printing devices and control devices are located relative to each other. Moreover, the sheets may be completely printed during passage thereof through the machine for not only names and addresses may be printed thereon but mutable printing devices may be employed to print quantities, prices, and extensions thereof, or any other desired data. Thus, completely printed sheets will be delivered into the collector at the discharge end of the machine.

It is to be understood that the mutable printing device may be employed to print any desired information, and while I have shown the type bearing elements of these printing devices as having numerals thereon, the letters of the alphabet or any other desired printing characters may be provided. Furthermore, the machine may be used to print sheets having one, two or any number of sections.

While I have illustrated and described a selected embodiment of my invention it is to be understood that this is capable of variation and modification and I therefore do not wish to be limited to the precise details set forth, but desire to avail myself of such changes and alterations as fall within the spirit and scope of the following claims.

I claim:

1. In a printing machine, printing means for making an impression on a sheet, a mutable printing mechanism for making another impression on the sheet, feed tapes for moving a sheet through said printing means and said printing mechanism, and means operable with the printing means for timing the operation of the printimg mechanism.

2. In a printing machine, means supporting a supply of sheets, printing means formaking impressions on said sheets, a printing mechanism for making impressions on said sheets related to the first impressions, means for withdrawing said sheets from the supply, continuously operating means for receiving sheets from said supply and for moving said sheets through said printing means and said printing mechanism, means for interrupting movement of said sheets with said continuously operating means during the operation of said printing means and said printing mechanism, and means operable with the printing means for timing the operation of the printing mechanism and the interrupting means.

3. In a printing machine through which sheets are passed, printing means for making impressions on said sheets from changeable printing devices, a mutable printing mechanism for making impressions on said. sheets, constantly operating means for moving said sheets through said printing means and said printing mechanism, means for interrupting movement of said sheets during the impression operations of said printing meansand said printing mechanism, and means operable with the printing means to time the operation of the printing mechanism to thereby efiect operation of the printing mechanism in fixed timed relation with the changing of said changeable printing devices.

4. In a printing machine through whichsheets are passed, printing means for making impressions on said sheets from changeable printing devices, a mutable printing mechanism for making impressions on said sheets, means for checking the operation of said mutable printing mechanism against the operation of said printing means whereby impressions are made on said sheets by said mutable printing mechanism which are related to the impressions made on said sheets from the respective changeable printing devices by said printing means, continuously operating feed tapes for moving said sheets through said printing means and said printing mechanism, means for interrupting movement of said sheets during the impression operations of said printing means and said printing mechanism without interrupting operation of said feed tapes, and means operable with the printing means to time the operation of the checking and interrupting means and the printing mechanism.

5. In a printing machine, printing means for .making an impression on a sheet. operating means for said printing means, a mutable print- .ing mechanism,'operating means for aid mutable printing mechanism, means moving the sheet through said printing means and said printing mechanism, means for positioning the sheet in the printing means, means for positioning the sheet in the printing mechanism, and means operated by one of said operating means for timing the operation of the other operating means and the respective positioning means.

6. In a printing machine, printing means for making an impression on a sheet, operating means for said printing means, a mutable printing mechanism, means for arranging said mutable printing mechanism to make an impression on the sheets related to the impression made thereon from said printing means, operating means for said mutable printing mechanism and the means arranging said mutable printing mechanism,-

means for moving the sheet through said printing means and said printing mechanism, means for positioning the sheet in the printing means, means for positioning the sheet in the printing mechanism, and means operated by the operating means for the printing means for timing the operation of the respective positioning means and the means operating said mutable printing mechanism.

7. In a printing machine, means for moving a series of changeable printing devices through a series of stages in the machine, a platen for making impressions from said changeable printing devices on sheets moved through the machine, a mutable printing mechanism, means for moving a series of control devices through a series of stages in the machine corresponding to the first series of stages whereby there is a control device in each of the stages therefor corresponding to a changeable printing device in each of the stages therefor, means controlled by said control devices for arranging said mutable printing mechanism to make impressions on the sheets related to the impressions made thereon from said changeable printing devices, continuously operating means for moving the sheets through said printing means and said printing mechanism, and means for orienting the sheets to receive impressions successively in said printing means and said printing mechanism.

8. In a. printing machine, printing means for making an impression on a sheet, operating means for said printing means, a mutable printing mechanism, operating means for said mutable printing mechanism, continuously operating feed tapes for moving a sheet successively through said printing means and said printing mechanism, means for interrupting the movement of the sheet with said feed tapes to position the sheet in the printing means to receive an impression therein, means for interrupting the movement of the sheet with the feed tapes to position the sheet in the printing mechanism to receive an impression therein, and means operated by the operating means for the printing means to successively operate the means positioning the sheet in the printing means and the means positioning the i sheet in the printing mechanism and to time the operation of the operating means for said mutable printing mechanism.

9. In a printing machine through which sectional sheets are passed, constantly operating means for moving the sheets through the machine, printing means for making independent impressions on each section of said sheets, means for interrupting movement of the sheets to suecessively position the sections thereof to receive impressions from said printing means, a mutable printing mechanism for simultaneously making impressions on the sections of each sheet, means for interrupting movement of the sheets during the impression operation of said printing mechanism, common means for controlling the operation of said interrupting means, and means operable with the printing means to time the operation of the interrupting means and the printing mechanism.

10. In a printing machine, printing means for making an impression on a sectional sheet, operating means for said printing means, a mutable printing mechanism, operating means for said mutable printing mechanism, constantly operating feed tapes for moving the sheet through said printing means and said printing mechanism, means for interrupting the movement of the sheet with the feed tapes to successively position the sections of the sheet in the printing means to receive an impression therein, means for interrupting movement of the sheet with the feed tapes to position the sheet in the mutable printing mechanism to receive an impression in the mutable printing mechanism on the sections thereof simultaneously, and means operated by the operating means for the printing means to time the operation of the interrupting means and the means operating the mutable printing mechanism.

11. In a printing machine, printing means for making an impression on a sheet, operating means for said printing means, a mutable printing mechanism, another mutable printing mechanism, operating means for said mutable printing mechanisms, means moving the sheet through said printing means and said printing mechanisms, means for positioning the sheet in the printing means, means for positioning the sheet in the first mutable printing mechanism, means for positioning the sheet in the other mutable printing mechanism, and means operated by one of said operating means for timing the operation of the other operating means and the respective positioning means.

12. In a printing machine, means for moving changeable printing devices through a series of stages of which one is a printing position in the machine, a platen for making impressions from said printing devices onto sheets moved through the machine when said devices are moved into the printing position, a mutable printing mechanism, control means movable into a position whereat the control means arranges said mutable printing mechanism to make impressions on the sheets, and means for moving said control means through a series of stages corresponding in number to the series of stages through which the changeable printing devices are moved.

13. In a printing machine, means for moving changeable printing devices through a series of stages of which one is a printing position in the machine, a platen for making impressions from said printing devices onto sheets moved through the machine when said devices are moved into the printing position, a mutable printing mechanism, control means movable into a position whereat the control means arranges said mutable printing mechanism to make impressions on the sheets, means for moving said control means through a series of stages corresponding in number to the series of stages through which the changeable printing devices are moved, and means for determining the relationship of the printing devices and the control means moving through said stages prior to the movement of a

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427049A (en) * 1941-10-27 1947-09-09 Addressograph Multigraph Printing and calculating machine
US2429730A (en) * 1947-10-28 Sensing means for business machines
US2453932A (en) * 1948-11-16 Business machine
US2641997A (en) * 1950-09-21 1953-06-16 Western Electric Co Control circuit for continuously operating electrophotographic printers
US2647460A (en) * 1949-02-26 1953-08-04 Ibm Record controlled duplicate printing machine
US2687086A (en) * 1949-02-03 1954-08-24 Ibm Record controlled line printing machine
US2704976A (en) * 1951-01-12 1955-03-29 Addressograph Multigraph Address type selective printing machines
US2993436A (en) * 1961-07-25 weingart
US3059847A (en) * 1957-09-25 1962-10-23 Gen Time Corp Data transmission apparatus
US3146701A (en) * 1961-11-20 1964-09-01 Teleregister Corp Printer for data processing apparatus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429730A (en) * 1947-10-28 Sensing means for business machines
US2453932A (en) * 1948-11-16 Business machine
US2993436A (en) * 1961-07-25 weingart
US2427049A (en) * 1941-10-27 1947-09-09 Addressograph Multigraph Printing and calculating machine
US2687086A (en) * 1949-02-03 1954-08-24 Ibm Record controlled line printing machine
US2647460A (en) * 1949-02-26 1953-08-04 Ibm Record controlled duplicate printing machine
US2641997A (en) * 1950-09-21 1953-06-16 Western Electric Co Control circuit for continuously operating electrophotographic printers
US2704976A (en) * 1951-01-12 1955-03-29 Addressograph Multigraph Address type selective printing machines
US3059847A (en) * 1957-09-25 1962-10-23 Gen Time Corp Data transmission apparatus
US3146701A (en) * 1961-11-20 1964-09-01 Teleregister Corp Printer for data processing apparatus

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