US1289184A - Checkwriter. - Google Patents

Description

M. H. JOHANSON. CHECKW RITER. APPLICATION FILED JUNE 1. 1915- 1,289, 184;, Patented Dec. 31, 1918.

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M. H. JOHANSON. CH-ECKWRITER. APPLICATION FILED JUNE 1915 1,289,184. Patented Dec131, 1918.

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HIS A TTORNEY.

M. H. JOHANSON.

CHECKWRITER.

APPLICATION man JUNE 1. 1915.

1,289,184. Patented Dec. 31,1918.

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UNITED. STATES PATENT OFFICE.

MAGNUS JOI-IAN'SON, OF ROCHESTER, NEW YORK, ASSIGNOR, BY MESNE ASSIGN- MENTS, TO TODD PROTECTOGRAPH COMPANY, OF R-OCHESTER, NEW YORK, '11

CORPORATION OF NEW YORK.

To all whom it may concern:

Be it known that I, MAGNUS H. J OHANSON, a citizen of Sweden, residing at Rochester, in the county of Monroe and State of New York, have invented certain new and useful Improvements in ,Checkwriters; andl do hereby declare the following to be a full, clear, and exact description of the same, such as will enable any person skilled in the art to which the invention appertains to make and use the same.

This invention relates to printing machines of'the kind known as check protecfor impressing the paper and impregnating it with the printing ink.

Oneessential feature of a machine of this type-is the thorough'inking of the paper at every impression in order to make erasure more difficult, and it is, therefore, one object of the invention to provide a machine constructed to secure a uniformly sufficientapplication of ink to the Machines of this kind are frequently subpaper.

jected to use for extended periods of time without attention from the operator and without renewal of the supply of ink. Another object of the invention, therefore, is to provide a construction which automatically insures a continuous supply of ink sufficient for extended operation of the machine. I

Other objects will appear as the description proceeds reference being had by nuincralseto the accompanying drawings forming a part of this specification in which Figure 1 is a top plan view of the outside of the machine.

Fig. 2 is an elevation of the same from the left side.

' Fig. 3 is a similar view in section showing the interior parts of the machine.

Fig. 4 is a vertical section on the line 4-4 of Fig. .3. y Fig. 5 is a top plan view of the interior of the machine, the cover of'the casing being removed.

Specification of Letters Patent.

Application filed June 1, 1915. Serial No. 31,475.

CHECKWRITER.

Patented Dec. 31, 1918.

Fig. 6 is a sectional view, similar to Fig. 3, from the right side of the machine.

Fig. 7 is a vertical section showing the parts of the inking apparatus in elevation.

Fig. 8 is a central sectional view of the fountain ink container and parts.

Fig. 9 is an end view of the latter from the left.

Fig. 10 is a similar view partly in section from the right side of the container.

The present invention has to do with machines for indelibly marking a, check or other commercial instrument with a monetary value for preventing the fraudulent alteration, or raising of the instrument,

and there is provided in a machine of this type a plurality of individual type forms which may be used selectivelyin combination with a platen for impressing upon the instrument an expression of any desired value. The printing surfaces of the type forms and platen are so constructed. as to disrupt the fibers of the paper simultaneously with the impression of the type so that the ink applied by the latteris absorbed intothe body of the paper, making it very difiicult to alter the impression so applied.

It is important in machines of this kind that the type be provided with a uniform and plentiful supply of ink so that the pa-- per will be thoroughly impregnated with the ink at every impression, as otherwise,

the protection aflorded by the use of the machine will be impaired.

Furthermore, machinesof this kind are often used intermittently under such conditions that they, receive very little care, and

yet are required to be ready for instant service. There is needed therefore, an inking apparatus which will uniformly and continuously ink the type forms, without attention by the operator, over quite extended periods of use.

To these ends the present invention is em bodied in a machine comprising a casing having a base portion 21 and an upper portion 22 secured to the base ortion by means of screws 23. (Figs. 1 and 2). These-portions of thr casing are held in spaced relation, affording a horizontal slot 24 for receiving the work to be impressed, the base portion having a plate servingas a bedor support for the work. The upper portion Ibo I 21 of the casing supports a type carrier 25 ,(Figs. 3 and 4) which is in the form of a cylinder, rotatably carried by a shaft 26,

the latter being journaled at its ends in theside Walls of thecasing. The carrier or cylinder is provided on its periphery with a plurality of individual type forms 27 arranged in spaced relation and extending parallel with the axis of the cylinder. Fixed upon the-shaft26 is a gear Wheel 28 with which is adapted to mesh a gear wheel 29 fixed upon a stub shaft 30 journaled in and extending through one Wall of the casing which is wrapped a belt 32 which extends upwardly in crossed relation and around guide pulleys 33 supported at the front andback of the casing and adjacent the top thereof,

upon an angle piece 34 attached at its ends to the casing. Slidably mounted upon this angle piece is a small carriage comprising a frame 35 carrying small grooved rollers 36 and 37 adapted to embrace and roll along i the lower and upper edges respectively, of

the angle piece 34. Frame 35 is provided with lugs 38 having notchesat the upper ends thereof in which rests the belt 32 which is engaged between these lugs bythe upper end of a tension adjusting screw 39 sup ported by a lug 40 on the frame. By turning the screw 39 the tension of the belt may be adjusted, and the frictional resistance is suflicient to securely attach the frame 35 to the belt. The frame is provided at its upper edge with a pointer 41 adapted to be moved up and down. an indicating dial 42- sup ported beneath a flange or swell 43 formed in the cover plate 44 of the casing (Figs. 4 and 6). p

'Referring to Fig. 3, the gear 29 carries a stop pin 45 adapted to contact with a'. fixed lug 46 projecting inwardly from the side wall of the casing, thus limiting the rotation of the knob 31 and therefore limitin the extent of movement of the pointer 41 so-that 7 it may not be moved off the ends ofthe scale and into contact with the casing.

The dial 42 carries a plurality of characters arranged thereon substantially in a column extending from back to front of the machine, each of these characters corresponding with one of the type forms on the type carrier. The cover plate 44 is in clined downwardly toward thefront of the '65 machine so that the dial is clearly visible to It will be noted that the the operator, hence, by turning the knob 31 and observing the 'osition of the pointer 41 with reference to the characters on the dial, any selected type form may be quickly and conveniently brought to the common printingpoint above the work supporting slot 24. The impression of the type character at the printing point upon the work ise'ffected by a vertically reciprocating platen 47 (Figs. 3 and 4), which is constructed to move upwardly through'an opening in the bed plate and press the work placed in the slot .24 against the type character above. This platen 47 is carried in a slot 48 in the forward end 49 of a bell-crank lever 50. Screws 51 are provided foradjusting the position of the platen 47 in the slot 48. The surfaces of the type characters and platen are provided with a succession of fine ridges and depressions and the platen is so positioned that its ridges cooperate with the depressions of the type characters and vice versa, for the purpose of disrupting or shredding the fibers of the paper during the printing operation. This construction is similar to that shown in Patent No. 793249, of June 27 1905, to L. M. Todd for printing apparatus, and as this feature forms no part of the present invention, a description thereof is deemed unnecessary.

The lever 50 is carried by a rock shaft 52 journaled at its ends in the side walls of the casing, and the opposite end 53 of this lever extends vertically into position to contact with a cam surface 54 carried by a main operating shaft 55. The latter shaft is journaled at its ends in the casing and extends through the casing at the right side of the machine where it has fixed thereto a crank arm '56 carrying a handle 57. It will be clear, upon reference to Figs. 3 and 6, that as the shaft 55 is rotated in the direction of the arrows by means of the handle 57, the high portion of the cam 54 will contact with the arm 53 of the platen lever during the. lat ter part of the rotation of the shaft and rock the lever, raising the platen into printing contact with the type. The shaft 55 may be provided with a ratchet wheel 58, (Figs. 3 and 5) and a 00-. operating pawl 59 carried by the casing and urged into contact with the ratchet by a spring 60. This means serves to prevent operation of the crank in the wrong direction of rotation and insures complete operation of the machine in every instance, and the full impression of the work. a

- As the successive use of several type forms is required to produce a complete impression, means are provided. for feedingthe work step by step over the printing bed c0mprising a pair of knurled wheels 61 (Figs. 3

and 4) projecting into thc slot 24 through openings inrthe bed plate. These wheels are fixed upon a shaft 62 journaled at its forward end in :1 lug 63 depending from the bed plate, and at its rear end in the rear wall of the base portion of the casing. The shaft 62 is actuated by a pawl and ratchet device, shown mostclearly in Figs. 3, 1 and 6, and comprising a ratchet wheel 64 fixed upon the shaft 62, and a pawl. 65 held in contact with the ratchet wheel by a spring 66. The pawl is pivotally carried by a lug 67 on a plate 68 which is rotatably mounted on the shaft 62. The plate 68 has pivoted thereto a link 69 which in turn is pivoted to a horizontal arm 70 at the lower end of a vertically extending plate 71. The plate 71 is provided with a slot 72 embracing the shaft 62 as a means for guiding the movement of the plate. As the latter is reciproca-ted vertically, it will be clear that the plate 68 will be given a rocking movement about the shaft 62, and the latter will be given a partial intermittent rotation by means of the ratchet and cotiperating pawl, so that the wheels 61 will be partially rotated to feed the work. A retaining pawl for the ratchet wheel 64:.is provided in the spring plate 72.

The plate 71 is pivotally attached at 73 to a cross arm 7 1 fixed to the rear end of an arm 75 of a lever 76 which is carried by a spindle 77 journaled. at its ends in the casing. The lever 76 has a forwardly extending arm 7 8 carrying a projection 79 which is adapted upon the rocking of the lever 76 to come into contact with one of a plurality of stop shoulders formed in the periphery of a disk 80 fixed to the end of the type carrier, see Fig.8). These stop shoulders, it will be observed, are located at varying radial distances from the center of the shaft 26. Each stop shoulder corresponds with one of the type forms on the carrier, and its radial distance from the center of the shaft- 26 corresponds inversely to the length of its respective type form. Thus, as a given type form is positioned at the common printing point the corresponding stop shoulder is placed in position to be struck by the projection 79 for limiting the amount of movement of the lever 76, and therefore i of the amount of rotation of the shaft 62. The lever 76 is actuated by an oscillating arm 81 (Fig. 6) through a spring 82 which is connected at one end to the arm 81 and at its other end to the cross arm 74.

. This arm 81 extends upwardly from a hub journaled on the spindle 77, the hub carrying a lug 83 adapted to contact with a pin 84 in the arm 75 of the lever 7 6. Thus the arm 81 has a yielding connection through the spring 82 with the lever 76 in one direction, but relative motion between these parts in the other direction is limited by the contact of lug 83 with pm 84. -The hub of the lever 81 carries a pin 85 to which is attached'one end of a spring 86, the other end of which is fixed to the easing at 87. This spring tends to hold the upper end of the arm 81 in contact with the outline of a cam 88 fixed upon the main operating shaft 55. i

The operation of the feeding device will now be apparent. As the shaft 55 is rotated from initial osition, the high portion of cam 88 immediately moves the arm 81 forwardly, which, in turn, through the spring 82 rocks the lever 76 until its motion is limited by one of the stop shoulders, after which the arm 81 merely stretches the spring 82 and continues its forward motion idly under actuation of the cam 88. The plate 71 is thus raised and through the pawl and ratchet device imparts a slight movement of rotation to the feeding wheels 61. As the high portion of the cam 88 moves out of contact with the arm 81, the latter is returned to initial position by the spring 86, and by means of its positive connection in this direction. with the lever 76 raises the latter and moves the pawl 66 idly over the ratchet 84 to its starting position. v

, Means for holding the work in contact with the feed wheels areprovided inthe 7 pressure rolls 89 journaled on a lever 90 (see Fig. 6), pivoted on a spindle 91 carried by the casing. The rear end 92 f lever 90 has attached thereto a spring 93 which urges the rolls 89 into contact with the feed wheels. The part 92 has pivoted thereto at 91 the lower end ofa vertical rod 95 which projects upwardly through the cover of the casing and carries a finger piece 96. By depressing the rod 95 the pressure rolls 89 maybe raised out of contact with the feed wheels to allow the insertion or removal of the work. Means will presently be described for retaining the pressurerolls in raised position, and also for automaticallyreleasing them for clampino the work upon commencement of the printing operation.

Means for accurately centering and looking the type carrier in printing position are provided in a. plate 97, (Fig. 3) journaled upon a spindle 98 supported by the casing, and carrying a forwardly extending arm 99 provided with a point 100 adapted to engage in notches 101 in the periphery of a disk 102 fixed to the type carrier. The point 100 and the notches 101 are formed with beveled sides and as the arm 99 is" moved toward the disk 102, these beveled surfaces coiiperateto accurately center a type form at the printing point, and when the point 100 fully enters the notches. the type wheel is securely looked in its adjusted position. The plate 97 and arm 99 are rocked by means of a lug 103 on the plate and a cooperating cam 104 on the main operating shaft 55. At the commencement of the rota- 'tatably nested within a means is only released upon return of the shaft 55 to its approximate initial position.

The means for retaining the pressure rolls in raised position and for automatically releasing them comprises a. lug 105- at the lower forward end of plate 97, (Fig. 3) and a; cooperating recess in the rod 95. The spring 93 is attached at its upper end to a lug 107 of the plate 97, and thus holds the plate with its lug pressing against the rod 95, and it will be observed that the lug 103 does not extend into contact with the low portion of its cam 104. As the rod 95 is depressed to raise the pressure-rolls, the In 105 springs into the recess 106, thus ho ding the pressure rolls in raised posi-. tion. Upon rotation of the'shnft. 55, however, and actuation of the centering device, the lug 105 releases the rod 95 and the pres-- sure rolls are moved into contact with the workbymeans of the spring 93.

The ink apparatus comprises an inking elernent for the type fO'lll'lS, embodied in an inklng roller 108 rotatahly journaled upon a spindle 109 carried at the end of an arm "110 projecting downwardly from a sleeve 111 (Figs. 3, end 7) y'nn-nnlcd on n spindle 112 carried by the casing. The sleeve 111 has an upwardly extending arm 113 to which is attached one end of a spring 114, the other end of which engages on eye 115 in the arm 53 of the platen lever. This spring holds the inking roller 108 in rolling contact with the type forms of the car Pier, and also holds the platen in its lower position.

The spindle 112 snpportsalso a sleeve 116 which carries forwardly extending spaced arms 117 and 1.18. An ink transfer roll 119 has trunnions 120 jonrnnled in these arms, and this roll is held. in contact with the inking roll 108 by menus of a spring 121 attached at one end. to the spindle 109, and at its other end to a. projection on the arm-11.8. The arm 117 has an upwardly extending portion at its forward end in. which is fixed a spindle 122 (Figs. 7 and 8) extending pan allel with the transfer roll. This spindle carries the fountain container for the ink, which will now he described. The ink (:(nnninercomprises a sleeve rotatnbly carried by the spindle 122 and having at its ends flanges 124 and 125, and these flanges curry :1 cylindrical wall 120. There is thus formed it closed, annular container 127 for the ink. The cont iner is 1:0 'lindricnl sleeve spun over the 128 which at one end, 12%

Mid of the container 127. T he sleeve 128 is 'fii ed at its other end to flange 130 upon the mner end of a sleeve 131. The sleeve 131, as fixed therein a pm 132 adapted to el te on open slot 3.33- in the endof. the

spit 10122 to prevent rotation of the sleeve eas es 128 on. the spindle it? it he seen that the container 127' not warding-sleeve together with t 12:31, may be freely slid oil and on n1. of spindle 122, the pin engaging; in the open slot 133. A. not 12% is provided which only be screwed upon the end of the spindle for holding the parts in position on the spindle.

Referring to Fig. 8, it will be seen that the flange 125 of container 127 is spaced from the flange 130, providing an annular space 135 between these ilmiges. 1* huge 125 is provided with one or more openings 136, and flange 130 has an opening; closed by a threaded stopper 137. There is thus provided n nondeekahle means for supplying ink to the container after the latter has been slid oil the spindle 122 and withdrawn from the casing, as explained above. The spindle has a shoulder 138, and within the space 141 between this shoulder and the arm 117 is rotatably carried a ratchet Wheel 142 having sockets 139 in which are adapted to engage the ends of pinslAlO fixed in the flange 12 1 of the ink container and forming a drivtainer. The pins 14:0 have it loose lit within these sockets so that they may he readily engaged and disengaged therefrom ivhen the ink container is removed and. replaced on the spindle for the purpose of filling the some.

The stationary sleeve is provided with a nnmher of spaced openings 1 13 arranged in at line parallel with the nxis of the sleeve along the line of contact between the sleeve and the transfer roll 119, it being observed that the roll and spindle are so SgDZtCGll that the roll contacts ligggi'itl y with the sleeve 128. The cylindrical wells of the container 127 are also provided with openings 14st nrrzmged soil-ally nho'ntthe container and so spaced nxinll thereof as to register with the openings M 5 during the relative rota tiion of the container and sleeve.

A device for rotating the ratchet 1 1-2 compriseszin elongated per 1 l (Figs. 6 and 7) pi otelly connected to arm 53 of the platen lever at 14-6. The nuns 117 and 1.18 are ench-pniwided with on :ipe'nrdly extendlug i l-"Z in which is jonrneled n spindle 14.8 having at its inner end on eccentric pin 149 adopted to litslidnhly rn, 1111 a slot 150 in the pawl 3 15. The spindle lei-8 at its other end projects 'lroi'n the c aing; and is provided with a. smell see by which it nia'v he rotated.

Vihcn the spi the eccentric pi;

When it is desired torender the fountain container entirely inoperative, the spindle 148 may be turned to place the pin 149 in its upper position, which raises the pawl clear of the ratchet 142. j

The openings 144 are so spaced 'circumferentially of the container (Fig. 10), and

the relative positions of the container,

' never come to rest opposite the respective openings-143. Since the openings 144 are spirally arranged, the ink will be applied to the'roll 119 successively at points spaced axially as well as peripherally of the trans fer rolL, As the roll 119 is in contact with the cylinder.=128, its periphery sweeps OH in rotation all the ink which isallowed to flow through the openings 143, and will thus keep the latter cylinder clean.

The operation of the inking apparatuswill now be understood from a -brief description. At each operation of the platen the pawl 145 will rotate the ratchet 142, and

consequently the ink container, through a slight angle suflicient to sweep one of the openings 144 across one of the openings 143,

thus permittinga small quantity of ink to flow to the transfer roll. The transfer roll being in contact with the ink roll 108 is turned by the latter as the type carrier is rotated to adjust the type forms to printing position, and the transfer roll sweeping across the openings 143 takes up the ink discharged and transfers it to the inking roll. If it is desired to render the ink supply inoperative, this may be done by adjusting the spindle 148.; 1 v

The casing is provided with an opening, indicated at 156, (Figs. 4 and 5) opposite the ink container to allow access to. the latter for withdrawing it from the casing for the purpose of refilling with ink.

To protect the work from being smeared by the inked characters onthe type wheel there is attached to the casing, over the work slot, a guard plate 151 (Figs. 2 and 4) which extends beneath the type wheel and has an elongated slot of a size sufiicient to allow the paper to be raised by the platen against the type form at the printing (point, but protecting the paper from contact with adjacent type forms.

For locating the work in printing posi tion there is provided at either side of the slot a gage bar 152 adjustably supported and guided by a screw 153 which passes through a slot in the gage bar and is screwed into the casing. By means of this screw the gage bar may be released, adjusted, and then clamped in place, the bar eing provided with a pointer 154 moving over the scale 155 for indicating its position.

The operation of the machine is suggested by the foregoing description and will-be un derstood from a brief explanation. The pressure rolls having been raised bymeans of the finger piece 96 the check is inserted in the work supporting slot, and the type wheel is rotated by means of the knob 31 tobring the initial character into printing position, as for instance, theiline of stars shown at the bottom of the dial. The crank 57 is then given a complete rotation, which releases the pressurerolls for holding the work against the feed wheels, centers and locks the type wheel in exact position, feeds the work forward into position to receive-the impression, supplies a small quantity of ink to the transfer roll, and finally raises theplaten to impress the work and returns the latter to initial position. The type wheel, is then adjusted to bring the next character into position and the above operation is repeated. If for instance, the amount desired to be printed is $256.12, the pointer 41 is located successively opposite the dial characters-2, Hundred, 50, 6, Dollars, 12 and Cents. After each of these adjustments the crank is rotated to print the correspond ing character, and at each rotation of the crank the fountain inking device is actuated to supply a small quantity of ink to spaced [points on the transfer roll. The subsequent rotational adjustment of the type cylinder rotates the transfer roll by means of the inking roll, so that the ink is supplied directly to the latter for application to the type form.

' Having thus described my invention, what I claim as new and desire to secure b Letters Patent is 1. The combination with a hand stam comprising a type carrier settable to bring various type forms, selectively, to printing position, and a platen having a movement toward and'from said carrier to efiect an impression of the selected type form; of

an automatic fountain inking mechanism comprising an inking roll arranged to be to take an impression will 0 erate the ink supplying means to supply i roll. r

- 2. The combination with ahand stamp to the inking comprising a type carrier settable to bring various type forms, selectively, to printing position, a platen for cooperation with said type forms, and operating means including a pivoted lever for moving the platen with said pivoted lever and actuated by movement 70f the lever for supplying ink from the container to the inking roll.

3. The combination with a hand stamp comprising a type carrier settable to bring various type forms, selectively, to printing position, a platen for cooperation with said type forms, and operating means including a movable lever for carrying the platen toward and from the type forms; of an automatic fountain inking mechanism com-- prising an inking element arranged to be rought into inking contact with the type forms by the setting movement of the carrier, I an ink contamer, and a pawl and ratchet connection between the platen lever and ink container for supplying ink to said inking element upon movement of the lever.

4. In combination, a type carrier settable to bring various type forms, selectively, to printing position, a platen for cooperation with said type forms, said carrier and platen having a relative impressing movement, an inking element for supplying ink to the type forms during said setting movement of the carrier, a fountain ink container, and means actuated by said relative impressing movement of the carrier and platen for supplying ink from the containe to the inking element.

5. In combination, a type carrier settable to bring various type forms, selectively, to

printing position, a platen for cooperation with said type forms, said carrier and platen having a relative impressing movement, an inking element for supplying ink to the type forms during-said setting movement of the carrier, a fountain ink container including a valve, and means actuated by said relative impressing movement bf the carrier and platen for operating said valve and supplying ink from said container to said inking element. a

6. The combination with ahand stamp comprising a type carrier setta'ble to bring various type forms, selectively, to printing position, a platen, and operatmg means for effecting a relative printing movement of carrier and platen; of an.'inking roll arranged to be brought into inking contact with the type forms by the setting movement of the carrier, an ink container comprising contacting surfaces having a movement rela-' tive to each other and provided with perforations arranged to register in passing during the movement of said surfaces'to permit a flow of ink from said container to said inking roll, and means actuated by movement of said operating means for effecting the movement of said container surfaces.

7. The combination with a hand stamp v comprising a type carrier settable to bring various type forms, selectively, to printing position, a platen, and operating means for effecting a relative printing movement of said carrier and platen; of an inking roll arranged to be brought into inking contact with the type forms by the setting movement of the carrier, an ink container com-.

prising a fixed sleeve having an opening at the lower side thereof, a cylindrical member rotatably nested within the sleeve and having an opening therein adapted to register in passing with the opening in said sleeve to permit a flow of ink from the container to the inking roll, and means actuated by the movement of said operatin means for effecting a step by steprotatlon of said member. i

8. In a machine of the class described, the I tions arranged in a row at an angle to the perforations in the other member, means for imparting a step by step movement to the movable member whereby to carry the perforations in it successively past the per forations in the otherto permit passage of ink and means for transferring the ink to the ink applying roller.

9. In a machine of the class described, the combination with a type carrier adjustable to set any desired type thereon at printing position, an ink applying roller in contact with the type on the carrier, an automatic fountain inking mechanism comprising a stationary cylindrical shell and a rotary cylindrical shell in close contact therewith, one of said shells having a series of perforations spirally arranged around its circumference and the other a row of perforations parallel to its axis, means for imparting a step by step movement to the rotary shell whereby to cause its perforations to successively pass by the perforations in the other to permit ink to escape and means for transmitting the escaped ink to the ink applying roller,

10. In a machine of the class described, the combination with a type carrier adjustable to set different type forms thereon at printing position, an ink applying roller in contact with the type on thetype carrier, a

fountain ink container comprising a sta-' tionary memberqand a movable member in close engagement one with the other, one of said members having perforations arranged en chelon and the other having perforations arranged in a' row at an angle tothe perforations in the other member, and means for imparting a step by step movement to the movable member whereby to carry the perforations in it successively past the perforations in the other to permit passage of ink.

11. In a machine of the class'described, the combination with a type carrier adjustable toset any desired type thereon at printing position, an ink applying roller in contact with the type on the carrier, an autoference and the other a row of perforations parallel to its axis, and means for imparting a step by step movement to the rotary shell whereby .to cause its perforations to successively pass by the perforations in the other to permit ink to escape.

MAGNUS' H. JOHANSON.

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