US3283700A - Selective printing machine - Google Patents

Selective printing machine Download PDF

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US3283700A
US3283700A US389586A US38958664A US3283700A US 3283700 A US3283700 A US 3283700A US 389586 A US389586 A US 389586A US 38958664 A US38958664 A US 38958664A US 3283700 A US3283700 A US 3283700A
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printing
pressure
counterpressure
coupling
normal
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Tatham Harry
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Ormig Organisations Mittle G M
ORMIG ORGANISATIONS-MITTLE GmbH
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Ormig Organisations Mittle G M
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L39/00—Indicating, counting, warning, control, or safety devices

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  • the present invention relates to a selective printing machine, and more particularly to a duplicating machine permitting the printing of selected text sections of a master sheet on a copy sheet.
  • Printing machines of this type which employ a counterpressure roller moved to and from a printing position for selecting text sections of the master sheet. Due to the inertia of the counterpressure roller, the speed of machines of this type is limited, and it is one object of the present invention to provide a selective printing machine capable of operating at very high speed.
  • Another object of the present invention is to provide a selective printing machine in which no translatory movements of a counterpressure roller, or similar element, are employed for selecting text sections for printing.
  • Another object of the invention is to provide a selective printing machine in which counterpressure means are rotated to and from printing positions for selecting text sections of the printing form for printing.
  • the present invention relates to a printing machine which is particularly suited for carrying out selective printing operations at a very high speed.
  • One embodiment of the invention comprises first printing means, such as a printing drum; second printing means including a plurality of counterpressure means mounted for independent movement preferably about an axis parallel to the axis of the first printing means; a printing form on the periphery of one of the printing means, preferably on the periphery of the printing drum; coupling means for coupling each of the counterpressure means with the first printing means; and control means for moving the counterpressure means alternately from a normal position to a position in which the respective counterpressure means is coupled with the first printing means and is moved by the same to a printing position and beyond the same. In this manner, a copy sheet fed between the pressure face of the counterpressure means and the peripheral pressure surface of the printing drum is imprinted.
  • Each of the, counterpressure means includes at least one pressure member having a substantially rectangular axially elongated pressure face corresponding in shape to the shape of a text section of the printing form.
  • Each pressure member is turnable between a normal position in which the pressure face is angularly spaced from the printing plane, an intermediate position in which the coupling means are engaged, and a printing position in which the pressure face is located in the printing plane.
  • the several counterpressure means are turnable between first and second normal positions in which the pressure members of different counterpressure means are located adjacent each other spaced from the printing plane, an intermediate position closer to the printing plane, and a printing position.
  • the control means move the counterpressure means in the first normal position to the second normal position and the counterpressure means in the second normal position to the intermediate position in which the coupling means is engaged so that the respective counterpressure means is turned from the intermediate position to the printing position.
  • the other I 3,283,700 Patented Nov. 8, 1966 counterpressure means assumes the second normal position ready to be shifted to the intermediate position in which it is driven from the printing drum.
  • the coupling means preferably includes a gear connected with the printing drum for rotation and having teeth whose spacing corresponds to the spacing of the text section of the printing form.
  • Each of the counterpressure means has a coupling tooth cooperating with the gear on the printing drum.
  • the teeth of the gear on the printing drum pass the coupling teeth when the counterpressure means are in the first and second normal position, but when one of the counterpressure means is shifted to the intermediate position, the gearengages the. respective coupling tooth and turns the counterpressure. means through the printing position to effect printing of.
  • each of the counterpressure means includes a plurality of angularly spaced pressure bars, for example three pressure bars, and when one of the pressure bars has passed through the printing position, it tends to further rotate due to inertia after being released by the gear of the printing drum, until the pressure bar abuts the next following bar of the other counterpressure means so that another pressure bar is placed in the first normal position.
  • each of the plurality of counterpressure means has a single pressure bar, and all counterpressure means are continuously urged to rotate at high speed, preferably by magnetic means producing an Eddy current in the counterpressure means,
  • the respective counterpressure means upon release of the respective counterpressure means by the gear of the printing drum, the respective counterpressure means is rapidly turned to a position trailing and abutting the pressure bars of the other counterpressure means so as to be ready for a later printingoperation.
  • a limited number of counterpressure means and pressure bars is sufiicient for printing a far greater number of selected text sections, or for printing all text sections of a printing form irrespective of the number of text sections.
  • locking means prevent the turning of the several counterpressure means by the magnetic drive means, and are released when a printing operation is desired.
  • the machines of the present invention include selector For example, a rotary contact arm is driven by-the printing means for selecting text sections for printing.
  • drum and respectively engages a plurality of contacts each of which is correlated with one of the printing sections and connected to a corresponding selector switch.
  • the circuit includes an electromagnetic means which are energ1zedwhenever the contact arm passes over a contact connected to a selector switch actuated by the operator for the purpose of selecting the corresponding text section for printing.
  • a shifting means for example a ratchet device, is actuated by the electromagnet means to turn a correlated counterpressure means one step through an angular distance corresponding to the spacing of the text section of the printing form.
  • the electro-' magnetlc means is energized and performs a control funcare retained by the locking means until the next selected text section approaches the printing line.
  • a counterpressure roller preferably consisting of a resilient material, such as rubber, is mounted on the same shaft on which the counterpressure means are mounted, and the shaft is supported for translatory movement toward and away from the printing drum, so that the counterpressure roller can be placed in a position cooperating with a printing drum for printing the entire printing form on the copy sheet in the conventional manner.
  • the pressure bar of the counterpressure means are in the normal inoperative position and do not interfere.
  • FIG. 1 is a fragmentary side elevation, partially in section, illustrating a first embodiment of the invention, a side wall of the machine andconventional transporting and moistening means for the copy sheet being omitted for the sake of simplicity and clarity;
  • FIG. 2 is a fragmentary side elevation of counterpressure means used in the embodiment of FIG. 1;
  • FIG. 3 is a fragmentary front view of the counterpressure means of FIG. 1; v r
  • FIG. 4 is a fragmentary perspective view of the counterpres'sure means ofFIG. 1;
  • FIG. 5 is a schematic diagram illustrating one embodiment of an electric circuit used in all embodiments of the invention for selective printing operations, and including'electroma'gnetic means of the embodiment of FIG. 1;
  • FIG. 6 is a fragmentary side elevation illustratinga second embodiment of the invention with conventional pa'rts omitted for the sake of simplicity;
  • FIG. 7 is a fragmentary front elevation of the apparatus shown in FIG. 6;
  • FIGS.- 8, 9,10 and 11 are fragmentary side elevations, partially in “section, illustrating successive operational positions of the selective counterpressure means of the embodiment of FIGS. 1 to '5;
  • FIG. 12 is a fragmentary vertical sectional View illus trating a modification of the embodiment of FIG. lwith parts of the machine'illustrated in FIGS. 1 to 5 omitted for the sake of simplicity.
  • a first rotary printing means in the form of a printing drum 11 ismounted on a horizontal shaft l2 which'is supported on a frame 13'.
  • Shaft 12 and drum 11" are driven by an electric motor, not shown, in counterclockwise direction as viewed in FIG. 1.
  • a master sheet is mounted by suitable holding means, not shown, on the peripheral circular pressure surface of the printing drum and has a plurality of circumferentially spaced text sections for example lines or paragraphs, extending'in axial direction of the drum.
  • Copy sheets are"fed successively along the path 15 in the direction of the arrow from left to right by conventional transporting rollers, not shown, and are moistened by conventional moistening means, not shown, before passing through a printing plane indicated by dash and dot lines and passing through the axis of shaft 12 and the axis of a shaft 30 which is parallel to shaft 12.
  • the copy sheets pass through a printing line 16 at the lowest point of the pressure surface of printing drum 11.
  • a second rotary printing means 17 comprises two rotary pressure means 18 and 19 which are turnable about shaft 30.
  • Pressure means 18 comprises three pressure bars 21,22 and 23 Which extend parallel to each other in axial direction and are equally spaced apart at angles by a pair of annular end members 24 and 25.
  • the other rotary pressure means 19 also comprises three pressure bars 26, 27 and 28 extending parallel to each other in axial direction spaced apart at 120 angles by a pair of annular end members 29 and 31.
  • the pressure bars of the two pressure means alternate with each other in circumferential direction.
  • Each pressure bar has a substantially rectangular pressure face whose shape corresponds to the shape of the text sections of the printing form or master sheet on the pressure surface 14 of drum 11.
  • Annular end members 25, 31 and 29 are mounted directly on shaft 32 which is secured by threaded end portions 30 to the frame of the machine.
  • End member 29 has an axially extending tubular portion 20 projecting along shaft 32 toward one end of the same.
  • End member 24 is mounted on tubular portion 20 for rotation thereon.
  • the two end members 29 and 31 are located between end members 24 and 25, and since all pressure bars are spaced the same radial distance from the axis of shaft 32, each pressure means can be turned an angle less than 120 independentlyof the other pressure means 18 or 19, respectively, until the pressure bars of the two pressure means abut each other, for example in the position of FIG. 1 in which pressure bars 23 and 28, 21 and 26, and 22 and 27 abut each other.
  • each of the pressure means'18 or 19 can be turned to a position in which a pressure bar thereof is located in the printing plane passing through the axes of shafts 12 and 32, and in such a position, the respective pressure face forms with the pressure surface 14 a printing line.
  • a copy sheet inserted between the printing form; or master sheet and the respective pressure face in opera tive position, will be imprinted with the respective text section which passes through the printing line.
  • a coupling-gear "3 9 is? connected to shaft 12 for rotation therewith and has substantially the same diameter as printing drum '11.
  • teeth of coupling gear 39 are spaced angular distances
  • Gear 39 is axially spaced from the printing form on drum 11.
  • Each pressure bar is rigidly connected to another coupling member, shown to be a coupling tooth on annular end member 24, or on annular end member 29, respectively.
  • coupling teeth 33, 34, [and 35 are disposed at the ends of pressure bars 21, 22, 23, respectively, radially projecting from the same.
  • coupling teeth 36, 37 and 38 are respectively located at the ends of pressure bars 26, 27 and 28 radially and circumferentially projecting from the same, and being axially spaced from coupling teeth 33, 34 and 35.
  • Each coupling tooth comprises a radially projecting bracket, and an axially projecting cylindrical engaging portion, best seen in FIG. 4.
  • the cylindrical axially projecting engaging portions of the coupling teeth of the two pressure means project toward each other, and are located in the axial region of the gear teeth of gears 39.
  • Each of the cylindrical projecting portions is adapted to mesh with the teeth of gear 39 by projecting from one or the other side into recesses between the teeth 'of gear 39.
  • the respective pressure bar When one of the coupling teeth 33 to 38 is placed in a coupling position meshing with the coupling gear 14, the respective pressure bar will be moved through the printing line and beyond the same while a text section of the printing form or master sheet is imprinted on a copy sheet located between the printing form and the pressure face of the respective pressure bar.
  • the printing form is'so positioned on drum 11 with respect to the teeth of gear 39 that the pressure face of a transported pressure bar is exactly aligned with a text section. This is accomplished by locating the holding means, not shown, for the printing form on printing drum 11 in a certain angular position with respect to the teeth of gear 39.
  • Each pressure means 18 and 19 is provided for this purpose with a shifting means 41 or 42, respectively, by which angular displacement of the pressure means 18 or 19 from a disengaged position to an engaged position coupled with gear 39 is effected.
  • Each shifting means 41, 42 operates stepwise and shifts the respective pressure means through steps whose circumferential extension corresponds to the circumferential extension of a text section of the printing form, and to the spacing of the teeth of gear 39.
  • Each shifting means 41 and 42 comprises a ratchet and pawl device 42 land 43,-
  • Ratchet device 43 of pressure means 19 comprises a ratchet wheel 44 secured to the end of the tubular portion 20 of annular end member 29.
  • a plate 45 is mounted on tubular portion 20 for angular movement and carries a pivotably mounted pawl 46 urged into engagement with the ratchet wheel 44 by a spring 47 secured to plate 45, as best seen in FIG. 2.
  • the pawls 46 of the two ratchet devices 42, 43 which are of identical construction, are adapted to drive the ratchet wheels 44 in clockwise direction as viewed in FIGS. 1 and 2, but slips over the ratchet teeth in counterclockwise direction, so
  • ratchet wheel 44 can turn in clockwise direction without being blocked by pawl 46. Consequently, the pressure means 18 and 19 can turn in clockwise direction when one of the coupling teeth 33 to 38 is in meshing engagement with gear 39.
  • the pawl of the two ratchet devices are operated by angularly displacing the respective plates 45.
  • Each plate 45 is turned to one end position by a spring 48 secured to plate 45 and to a frame wall 13 of the machine.
  • An electromagnetic means 49 and an electromagnetic means 52 form part of the shifting means 41 and 42, electromagnetic means 49 being connected by a rope 41 passing over a pulley to plate 45 of ratchet device 43 of pressure means 19, and electromagnetic means 52 operating plate 45 of the ratchet device 42 which operates pressure means 18.
  • the windings of electromagnetic means 49 and 52 are energized in accordance with the operation of selector means comprising the electric circuit shown in the diagram of FIG. 5.
  • a contact arm 53 rotates in synchronism with printing drum 11, and may be secured to shaft 12.
  • Contact arm 53 passes successively over a plurality of contacts 55, 56, whose number corresponds to the number of text sections of the printing form and which are consequently spaced angular distances corresponding to the spacing of the teeth of gear 39.
  • Each contact 55, 56 is connected to a manually operated selector switch 57, 58. whose number also corresponds to the number of text sections.
  • Selector switches 57, 58 are normally open, and are all connected to one pair of terminals of electromagnetic means 49 and 52 the other terminals of which are connected to each other.
  • a battery, or other source of direct current has one terminal 54 connected to contact arm 53 and the other terminal 59 connected to all selector switches 57, 58 and to electromagnetic means 52, 49.
  • the respective correlated selector switches 57, 58 are manually actuated and closed.
  • contact arm 53 en-- gages the respective correlated contacts 55, 56 and electromagnetic means 49, 52 are energized and operate the respective ratchet pawls 46 so that the respective pressure means 18 and 19 are turned.
  • the machine is operated in the following manner: A flexible printing form or master sheet is mounted on the peripheral cylindrical surface 14 of drum 11 andt'he drum is driven to rotate so that successive text sections of the connected with both electromagnetic means 49 and 52.
  • the two pressure means or oounterpressure means 18 and 19 are in the position illustrated in FIG. 1, and in FIG. 8.
  • the second normal position of pressure member 23 is closer to the printing line than the first normal position of pressure member 28, but still far enough spaced in circumferential direction to permit passage of the teeth of gear 39.
  • both electromagnetic means 4 9 and 52 are energized, and operate plates 45 withpawls 46 to turn the respective ratchet wheels 44 angular distances corresponding to the spacing of the text section and of the teeth of gear 39. Consequently, pressure means 18 and 19 are turned one step while rotation of gear 39 continues so that coupling tooth 35 assumes a position intermediate. its previous second normal position and the position located in the printing line. Coupling tooth 38 is also shifted the same angular distance, so that pressure member 28 remains located adjacent pressure member 23 and in a position which corresponds to, the above explained second normal position which was left by pressure member 23. This position i shown in FIG.
  • pressure member 22 Since all three pressure members 23, 21, 22 of pressure means 18 turn together, pressure member 22 will be placed in the position of pressure member 38 of pressure means 19 shown in FIG. 8, that is in the first normal position, while the pressure member 28 of pressure means 19 is already in the second normal position. Since the second text section of the printing form was not selected and selector switch 58 is open, electromagnetic means 49 and 52 are not energized when contact arm 53 passes over contact 56 and when the second text section of the printing form passes through the printing lineQ, Since in the position of FIGS. 1 and 8 none of the pressure members is positioned to exert counterpressure on the copy sheet, the second text section is not printed.
  • pressure means 18- and 19 are alternately rotated to intermediate positions in which the coupling means 39 and 33 to 38 are engaged'so that the printing drum 1'1 transports the respective pressure member and pressure face to the printing position and beyond the same.
  • a second control device including electromagnetic means and ratchet means may be provided at the other end of the two c-ounterpressure means 18 and 19 to prevent any twisting of pressure bars 21 to 28.
  • the cylindrical projection of the coupling teeth may be rollers mounted for turning movement .so that the fric- .tion between the coupling members 33 to 38 and the teeth of gear 39 is reduced.
  • a printing drum 11 is driven to rotate and carry a printing form or master sheet to which a copy sheet is supplied by a pair of feeding rollers 15a and 1512. If a duplicating operation is to be carried out, the copy .sheet is moistened with alcohol in the usual manner.
  • the annular members 106 to 109 are mounted for free turning movement on a sleeve 111 which is turnable on a shaft 105 whose axis is parallel to the axis of printing drum 11.
  • the four pressure means may be counterbalanced to compensate the weight of the respective pressure bar so that each pressure means can rotate in a balanced condition.
  • Annular end members 106 to 109 are all made of a ferro magnetic material. Axial gaps are left between members 106 and 107, and also between members 1108 and 109, and two permanently magnetized discs 112, 113
  • a V-pulley 114 is secured to sleeve 111, and is driven by a belt which passes over another pulley, not shown, driven by a motor, which may be the motordriving the printing drum 11, but the belt transmission ratio is selected in such a manner that sleeve 111 and the permanently magnetized disc 112 and 113 are rotated at a very high speed in clockwise direction as viewed in FIG. 6.
  • Annular end members 106, 107 and 108, 109 constitute arm-atures for the rotating magnetic discs 112, 113, and due to magnetic flux induced in the annular members during rotation of the magnetic discs, a coupling torque acts on the annular members urging the same to turn in clockwise direction so that the four pressure bars 101 to 104 are also urged to turn in clockwise direction.
  • each of the annular member 106 to 109 has a radial projection on which the pressure bars 101 to 104 are respectively mounted, and corresponding annular members, not shown, are provided at the other end of a rubber counterpressure roller 123 and connected by projections to the other ends of pressure bars 101 to 104.
  • coupling members or coupling teeth 117 are secured which are angularly spaced from each other distances corresponding to the angular spacing of the teeth of gear 39, and to the spacing bet-ween the text section of the printing form or master sheet.
  • An electromagnetic means 122 is connected to locking means 118.
  • locking means 118 is turned in counterclockwise direction as viewed in FIG. 6 to a releasing position permitting the four pressure means to turn in clockwise direction.
  • the tour pressure means will rotate in clockwise direction until the first coupling tooth 117 passes from the illustrated normal position to an intermediate position engaged in a recess of gear 39 so that the corresponding pressure 'bar 101 moves through the printing line 116 at a speed determined by gear 39', so that the pressure face of pressure bar 101 and the printing form on printing drum 11 move at the same speed through the printing line whereby an imprint of the respective text section is made on the copy sheet.
  • the pressure bars 102 to 104 of the other three pressure means will not be able to move faster since they abut the leading pressure bar 101 as the same passes through the printing line. However, one coupling tooth 117 after the other will be placed in meshing engagement with gear 39 and be moved through the printing line so that successive text sections are printed on the copy sheet.
  • the continuously acting coupling torque of the continuously rotating magnetic disc 112 can accelerate the respective pressure means with end member 106 and pressure bar 101 to a higher speed exceeding the slow speed at which the other three pressure bars move through the printing line, so that the first pressure bar 101 rotates toward the last pressure bar 104 and finally abuts the same.
  • the machine is mainly intended for selective printing, that is printing of selected text sections of the printing form, as described with reference to FIGS. 1 to 5.
  • the machine of FIG. 6 is provided with selector means corresponding to the selector means in FIG. 5, but the two electromagnetic means 52 and 49 are replaced by the electromagnetic means 122 which controls the locking means 118.
  • two locking means 118 are advantageously provided at the ends of the pressure bars, in which event two electromagnetic means 122 are connected in the manner of electromagnetic means 49 and 52 will be used.
  • the selector means of the machine shown in FIGS. 6 and 7 include a contact arm 53, a plurality of contacts, 55, 56 respectively associated with the text sections, and a plurality of manually operated selector switches 57, 58, 59 respectively associated with the text sections.
  • selector switches 57 and 59 are closed.
  • the machine is in the initial nonmal position shown in FIGS. 6 and 7, and the four pressure means are blocked by locking means 118 in the locking position due to the action of spring 121.
  • the released first pressure means will travel rapidly toward the printing line, but when coupling tooth 117 reaches a position passing into a recess of gear 39, the further movement of pressure bar 101 takes place at the same speed as the turning movement of the printing drum 11 and of gear 39. Consequently, the first pressure bar 101 moves through the printing line 116 at the same speed as the printing form on printing drum 11, and the first text section is printed on the copy sheet.
  • Printing bar 101 passes at the same speed beyond the printing line, but when the respective coupling tooth 117 is released by the corresponding recess of gear 39, magnetic disc 112 is again effective to rapidly rotate the first pressure means with member 106 and pressure bar 101 until prassure bar 101 abuts the trailing side of pressure bar 104 in a position corresponding to the position of pressure bar 104 in FIGS. 6 and 7, pressure bar 104 having moved in the meantime to the position of pressure bar 103.
  • Locking means 118 releases momentarily the second pressure means and then immediately engages the third pressure means so that pressure bar 102 rapidly moves toward the position in which coupling tooth 117 is coupled to the coupling gear 39 for further movement through the printing line, while the pressure means with pressure bar 103 is locked in the position shown for pressure bar 101 in FIGS. 6 and 7.
  • the respective pressure means is rapidly rotated in clockwise direction by the magnetic disc 112 until pressure bar 102 abuts the l. l trailing side of pressure bar 101 which now trails pressure bar'104, pressure bar 103 being now in the leading position and locked by locking means 118.
  • the rubber counterpressure roller 123 supports each of the pressure bars 101 to 104 when the same is in the operative printing position passing through the printing line. In this manner, bending of the center portion of the pressure bars 101 to 104 due to the pressure exerted by the printing drum is prevented, and the entire pressure bar is uniformly and slightly resiliently supported.
  • the end members 106 to 109, provided at both ends of the pressure bars 101 to 104, are also sufficient for providing the counterpressure.
  • the counterpressure roller may also be used for printing the entire printing form with all text'sections without the use of the pressure means 106 to 109. It is possible to shift the counterpressure roller from .the position shown in FIG. 7 to a position cooperating with the pressure surface of printing drum 11 while the counterpressure means 106 to 109 and 101 to '104 remains in the locked inoperative position angularly spaced from the pressure drum 11.
  • FIG. 12 shows the machine of FIGS. 1 to provided with a counterpressure roller 64 whose peripheral surface is radially spaced from the pressure bars or pressure members 21 to 28. Consequently, the pressure bars can freely rotate around the counterpressure roller 64 during the operation described indetail with reference to FIGS. 1 to 5.
  • counterpressure roller 64 has an inner metal sleeve 61 which is tur-nably mounted on a shaft 60 which corresponds to shaft 30 of the embodiment of FIG. 1.
  • shaft 60 has two eccentric journal portions 63 at the end thereof, which are mounted in corresponding bearings of supporting brackets 65.
  • At least one lever arm 64 is secured to one of the eccentric journals, or two lever arms 63 are respectively secured to journals 63 and have free ends connected to each other by a shaft 62 to which a shifting lever 67 is connected.
  • a spring 68 is secured to lever 67 by a pin 70 and attached to the frame of the machine by another pin 69 so that the eccentric shaft 60 is urged to a normal position in which counterpressure roller 62 is spaced from the printing drum 11.
  • Lever 67 is operated manually, or by electromagnetic means, when printing of the entire printing form is desired, and turns shaft 60 to the position shown in FIG. 12 in which .the counterpressure roller 62 abuts the printing form on .the pressure surface of printing drum 11.
  • the pressure members 28 and 23 are in the first and second normal positions as explained with reference to FIG. 1, and while they are moved together with counterpressure roller 62, coupling tooth 35 is still spaced from gear 39 so that it does not interfere with the turning motion of printing drum 11.
  • counterpressure roller 62 will be taken along while the printing form and the copy sheet in the plane are pressed against each other to produce a continuous imprint of the entire printing form.
  • lever 67 When printing of selected text sections is desired, lever 67 is released and is returned by spring 68 to a position in which the counterpressure roller 62 is spaced from the printing drum, and inoperative, while the two counterpressure means are ready to be operated in the manner described inthe reference to FIG. 1.
  • pressure members 28 and 23 are simultaneously shifted one step by ratchet means under the control of electromagnetic means 49 and 52 so that coupling tooth 35 is engaged by coupling gear 39 and pressure member 23 is moved through the printing plane and beyond the same to produce an imprint of a text section whose shape corresponds to the rectangular narrow shape of the pressure bar 23.
  • a printing machine comprising, in combination, driven first printing means having a circular peripheral pressure surface and being rotatable about a first axis; a second printing means including a plurality of counterpressure means mounted for independent movement, each of said counterpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between a normal position in which said pressure face is spaced from a printing plane, an intermediate position, and a printing position in whch said.
  • pressure face is located in said plane and forms a printing line with said pressure surface; a plurality of coupling means for coupling said counterpressure means, respectively, with said first printing means for rotation, each coupling means having a normal disengaged position and an engaged coupling position in which said first printing means rotates the respective counterpressure means, each of said counterpressure means being connected with the respective coupling means for placing the same in said coupling position when moving from said normal position to said intermediate position; and control means for moving said counterpressure means selectively from said normal position to said intermediate position so that said driven first printing means turns the respective pressure member from said intermediate position to said printing position and beyond the same whereby a copy sheet between said pressure face and said pressure surface is imprinted witha text section of a printing form on said pressure surface.
  • a printing machine comprising, in combination, driven first rotary printing means having a circular peripheral pressure surface and being rotatable about a first axis; a second rotary printing means including a plurality of counterpressure means mounted for independent turning movement about a second axis parallel with said first axis, each of said counterpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between a normal position in which said pressure face is angularly spaced from a plane passing through said axes, an intermediate position, and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface; a printing form disposed on the periphery of said first printing means and having circumferentially spaced text sections having substantially the same shape as said pressure faces; coupling means for coupling each of said counterpressure means with said first printing means for rotation and having a normal disengaged position and an engaged coupling position, each of said counterpr ssure means being connected
  • a printing machine comprising, in combination, driven first rotary printing means having a circular peripheral pressure surface and being rotatable about a first axis; a second rotary printing means including a plurality of counterpressure means mounted for independent turning movement about a second axis parallel with said first axis, each of said counterpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between first and second normal positions in which said pressure members are located adjacent each other angularly spaced from a plane passing through said axes, an intermediate position closer to said plane, and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface; a printing form disposed on the periphery of said first printing means and having circumferentially spaced text sections having substantially the same shape as said pressure faces; coupling means for coupling each of said counterpressure means with said first printing means for rotation and having a normal disengaged position and an engaged coupling position, each of said counterpressure
  • a printing machine comprising, in combination, driven first rotary printing means having a circular peripheral pressure surface and being rotatable about a first axis; a second rotary printing means including a plurality of counterpressure means mounted for independent turning movement about .a second axis parallel with said first axis, each of said counterpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between first and second normal positions in which said pressure members are located adjacent each other angularly spaced from a plane passing through said axes, an intermediate position closer to said plane, and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface; a printing form disposed on the periphery of said first printing means and having circumferentially spaced text sections having substantially the same shape as said pressure faces, said first and second normal positions of said counterpressure means and said pressure members being angularly spaced distances corresponding to the spacing of said text sections; coupling means for coup
  • a printing machine comprising, in combination, driven first rotary printing means having a circular peripheral pressure surface and being rotatable about a first axis; a second rotary printing means including a plurality of counterpressure means mounted for independent turning movement about a second axis parallel with said first axis, each of said counterpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between first and second normal positions in which said pres-sure members are located adjacent each other angularly spaced from a plane passing through said axes, an intermediate position closer to said plane, and a printing position in which said pressure face is located in "said plane and forms a printing line with said pressure surface; a printing form disposed on the periphery of said first printing means and having circumferentially spaced text sections having substantially the same shape as said pressure faces; coupling means for coupling each of said counterpressure means with said first printing means for rotation and having a normal disengaged position and an engaged coupling position,
  • a printing machine comprising, in combination, driven first rotary printing means having a circular peripheral pressure surface and being rotatable about a first axis; a second rotary printing means including a plurality of counterpressure means mounted for independent I turning movement about a second axis parallel with said first axis, each of said counterpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpress means being movable between first and second normal positions in which said pressure members are located adjacent each other angularly spaced from a plane passing through said axes, an intermediate position closer to said plane, and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface; a printing form disposed on the periphery of said first printing means and having circum'ferentially spaced text sections having substantially the same shape as said pressure faces, said positions of said counterpressure means and said pressure members being angularly spaced distances corresponding to the spacing of said text sections; coupling means for coupling each of
  • said releasing means include electromagnetic means for operating said locking means; and wherein said selector means include a plurality of contacts and selector switches in series with said electromagnetic means and a contact arm rotating in synchronims with said first printing means for successively connecting said contacts with said electromagnetic means.
  • a selective printing machine comprising, in combination, a driven rotary printing drum having a circular peripheral pressure surface for supporting a printing form having circumferentially spaced text sections, and being rotatable about a first axis; a gear connected with said drum for rotation and having substanially the same diameter and teeth spaced distances corresponding to said text sections; at least two counterpressure means, each having at least one pressure member mounted for independent turning movement about a second axis parallel with said first axis, each of said pressure members having at least one substantially rectangular axially elongated pressure face having the same shape as said text sections, each counterpressure means being turnable between a normal position in which said pressure face is angularly spaced from a plane passing through said axes and a printing position in which said pressure surface and.
  • each pressure member for rotation therewith and having a normal disengaged position circumferentially spaced from said plane and an engaged position closer to said plane and engaged by said gear so as to be turned by the same so that the respective counterpressure means is turned by said drum and gear and the respective pressure member moves through said printing line and beyond the same toward the other pressure member; control means conncted to said counterpressure sure face form a printing line in said plane; a coupling means for shifting the same from said normal disengaged position to said engaged.
  • selector means correlated with said text sections for selecting one of said text sections, and operatively connected with said control menas for operating the same so that said coupling teeth are moved to said engaged positions, respectively, when a selected text section approaches said printing line so that the respective counterpressure means-is turned by said gear to said printing position and beyond the same whereby the selected text section and said pressure face pass simultaneously through said printing line and a selected text section is printed on a copy sheet located in said printing line between one of said pressure faces and said printing form.
  • each of said counterpressure means includes a plurality of axially extending pressure bars having said pressure faces, the pressure bars of said counterpressure means alternating in circumferential direction; and a shaft having said second axis and supporting said counterpressure means for turning movement and wherein said control means move said pressure means stepwise corresponding to the spacing of the teeth of said gear so that said counterpressure means can be moved to a position in which said two pressure bars are located adjacent each other and one of said counterpressure means is in said normal position and the correlated coupling tooth is in said normal disengaged position and so that pairs of adjacent pressure bars are spaced an angular distance to form a gap in which said pressure surface and printing form move.
  • a selective printing machine comprising, in combination, a driven rotary printing drum having a circular peripheral pressure surface for supporting a printing form having circumferentially spaced text sections, and being rotatable about a first axis; a gear connected with said drum for rotation and having substantially the same diameter and teeth spaced distances corresponding to said text sections; at least two counterpressure means, each having at least one pressure member mounted for independent turning movement about a second axis parallel with said first axis, each of said pressure members having at least one substantially rectangular axially elongated pressure face having the same shape as said text sections, each counterpressure means being turnable between a normal position in which said pressure face is angularly spaced from a plane passing through said axes and a printing position in which said pressure surface and said pressure face form a printing line in said plane; a coupling tooth secured to each pressure member for rotation therewith and having a normal disengaged position circumferentially spaced from said.
  • control means including electromagnetic means connected to said counterpressure means for shifting the same from said normal disengaged position to said engaged position; and selector means including a plurality of contacts correlated with said text sections, a contact arm rotating in synchronism with said rotary printing drum and successively engaging said contacts, and a plurality of manually operated selector switches in series with said contacts, respectively, and connected with said electromagnetic means of said first and second shifting means correlated with said text sections for selecting one of said text sections, and operatively connected with said control means for operating the same so that said coupling teeth are moved to said engaged positions, respectively, when a selected text section approaches said printing line so that the respective counterpressure means is turned by said gear to said printing position and beyond the same whereby the selected text section and said pressure face P 5 simultaneously through said printing line and a selected text section is printed on
  • a printing machine comprising, in combination,
  • each-of said counterpressure means including at least one pressure bar having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between a normal position in which said pressure face is angularly spaced from a plane passing through, said axes, an intermediate position, and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface, and a counterpressure roller coaxial with said second axis and having a cylindrical surface located inwardly of said pressure bars; a printing form disposed on the periphery of said first printing means and having circumferentially spaced text sections having substantially the same shape as said pressure faces; coupling means for coupling each of said counterpressure means with said first printing means for rotation and having a normal disengaged position and an engaged coupling position, each of said counterpressure means being connected with said coupling means for placing the same in
  • a printing machine comprising, in combination, driven first rotary printing means having a circuit peripheral pressure surface and being rotatable about a first axis; a second rotary printing means including a plurality of counterpressure means mounted for independent turning movement about a second axis parallel with said first axis, each of said coutnerpressure means including at least one pressure member having a substantially rectangular axially elongated pressure face, each pressure member and counterpressure means being movable between a normal position in which said pressure face is angularly spaced from a plane passing through said axes, an intermediate position, and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface; a counterpressure roller concentric with said second axis; a shaft supporting said counterpressure roller and said counterpressure means for independent rotary movements about said second axis; support means supporting said shaft for translatory movement with said counterpressure means and said counterpressure roller between a first position in which said counterpressure means are in said normal position and said counterpressure roller cooperates with said
  • a printing machine comprising, in combination, a first rotary printing means having a first axis and being driven; a second rotary printing means having a second axis, said first and second printing means defining a printing plane passing through said axes, one of said printing means including a roller having a peripheral pressure surface, and the other of said printing means including first and second pressure means independently turnable about said second axis, each pressure means having at least one axially elongated substantially rectangular pressure face cooperating with said pressure surfacein said printing plane; means for moving a copy sheet through said printing plane; means for moving through said printing plane a printing form superimposed on said copy sheet and having rectangular text sections whose shape matches said pressure faces; first and second coupling members connected with said first and second pressure means for movement therewith and being independently operable for coupling said first or said second pressure means with said first printing means for rotation therewith, each coupling member being disengaged when the pressure face of the respective pressure means is located a predetermined angle before or behind said printing plane; and control means for moving each of said coup
  • a printing machine comprising, in combination, a first rotary printing means having a first axis and being driven; a second rotary printing means having a second axis, said first and second printing means defining a printing plane passing through said axes, one of said printing means including a roller having a peripheral pressure surface, and the other of said printing means including first and second pressure means independently turnable about said second axis, each pressure means having at least one axially elongated substantially rectangular pressure face cooperating with said pressure surface in said printing plane; means for moving a copy sheet through said printing plane; means for moving through said printing plane a printing form superimposed on said copy sheet and having rectangular text sections whose shape matches said pressure faces; first and second coupling members connected with said first and second pressure means for movement therewith and being independently operable for coupling said first or said second pressure means with said first printing means for rotation therewith, each coupling member being disengaged when the pressure face of the respective pressure means is located a predetermined angle before or behind said printing plane; control means for moving each of said coupling
  • a printing machine comprising, in combination, driven printing means having a peripheral pressure surface for supporting a printing form, and being rotatable about a first axis; a plurality of counterpressure means mounted for independent turning movement about a second axis parallel to said first axis, each of said counterpressure means having an axially elongated pressure face and being turnable about said second axis between a normal position in which said pres-sure face is spaced from a printing plane passing through said first and second axis and a printing position in which said pressure face is located in said plane and forms a printing line with said pressure surface; a plurality of coupling means respectively connected 'with said counterpressure means tor turning movement about said second axis, each coupling means having an inoperative position, and a coupling position engaging said driven printing means so that said driven printing means turns the respective counterpressure means; and control means for moving said coupling means selectively from said inoperative position to said coupled position so that said driven printing means turns the respective selected counterpressure means from said normal position to said printing position and
  • a printing machine including a gear connected with said printing means for rotation; and wherein each coupling means includes a tooth secured to the respective counterpressure means meshing with said gear in said coupling position, each coupling tooth being angularly displaced with the respective counterpressure means by said control means to assume said coupling position.

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  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
US389586A 1963-08-20 1964-08-14 Selective printing machine Expired - Lifetime US3283700A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB32967/63A GB1083039A (en) 1963-08-20 1963-08-20 Improvements in or relating to apparatus for use in a printing, duplicating or like machine
GB657264 1964-02-17

Publications (1)

Publication Number Publication Date
US3283700A true US3283700A (en) 1966-11-08

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US (1) US3283700A (de)
AT (1) AT263053B (de)
CH (1) CH417645A (de)
GB (1) GB1083039A (de)
SE (1) SE301653B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420163A (en) * 1966-04-18 1969-01-07 Gerhard Ritzerfeld Numbering arrangement for selective printing machines
US3489081A (en) * 1968-02-29 1970-01-13 Gerhard Ritzerfeld Apparatus for printing selected numbers of lines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971858A (en) * 1930-06-04 1934-08-28 Knutsen Knut Andreas Printing device for tabulating machines for perforated cards
US2069656A (en) * 1937-02-02 Ticket printing machine
US3138092A (en) * 1957-12-19 1964-06-23 Block & Anderson Ltd Selective printing arrangements for rotary printing or duplicating machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2069656A (en) * 1937-02-02 Ticket printing machine
US1971858A (en) * 1930-06-04 1934-08-28 Knutsen Knut Andreas Printing device for tabulating machines for perforated cards
US3138092A (en) * 1957-12-19 1964-06-23 Block & Anderson Ltd Selective printing arrangements for rotary printing or duplicating machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420163A (en) * 1966-04-18 1969-01-07 Gerhard Ritzerfeld Numbering arrangement for selective printing machines
US3489081A (en) * 1968-02-29 1970-01-13 Gerhard Ritzerfeld Apparatus for printing selected numbers of lines

Also Published As

Publication number Publication date
GB1083039A (en) 1967-09-13
AT263053B (de) 1968-07-10
SE301653B (de) 1968-06-17
CH417645A (de) 1966-07-31

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