EP0436919A2 - Dispositif de guidage - Google Patents

Dispositif de guidage Download PDF

Info

Publication number
EP0436919A2
EP0436919A2 EP90125301A EP90125301A EP0436919A2 EP 0436919 A2 EP0436919 A2 EP 0436919A2 EP 90125301 A EP90125301 A EP 90125301A EP 90125301 A EP90125301 A EP 90125301A EP 0436919 A2 EP0436919 A2 EP 0436919A2
Authority
EP
European Patent Office
Prior art keywords
guide
guide roller
carrier
surface arrangement
guiding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90125301A
Other languages
German (de)
English (en)
Other versions
EP0436919B1 (fr
EP0436919A3 (en
Inventor
Ulrich Dipl.-Ing. Ahle
Alfred Potthast
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf International GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH
Publication of EP0436919A2 publication Critical patent/EP0436919A2/fr
Publication of EP0436919A3 publication Critical patent/EP0436919A3/de
Application granted granted Critical
Publication of EP0436919B1 publication Critical patent/EP0436919B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/02—Rollers
    • B41J13/076—Construction of rollers; Bearings therefor

Definitions

  • the invention relates to a guide device of the type mentioned in the preamble of claim 1.
  • the distance between the print head and the print carrier be kept very precisely within narrow tolerances.
  • guide rollers which are prestressed against the pressure carrier support are generally used, to which guide surface arrangements are assigned, through which a pressure carrier is guided into the guide gap provided between the guide roller and the pressure carrier support.
  • the guide rollers are generally movably mounted perpendicular to the plane of the print carrier so that they can be lifted more or less from the print carrier support by the thickness of the supplied print carrier.
  • a print carrier with a relatively large thickness e.g. a passbook
  • a print carrier with a relatively large thickness e.g. a passbook
  • the guide rollers are each assigned guide surfaces which are fixed in the device and which capture the leading edge of the pressure carrier and guide it into the guide gap between the guide roller and the pressure carrier support.
  • the fixed baffles must be at a distance from the print carrier pad which corresponds to at least the greatest thickness of the print substrate so that the print carriers can pass freely between the baffles and the print carrier pad.
  • these guide surfaces can only incompletely fulfill their guiding function in the case of print carriers of very small thickness, since their distance from the print carrier support is much larger than the guide gap between the guide roller and the print carrier support adapted to the thin print carriers.
  • a guide device is already known from DE U 80 06 325.8, in which the guide surface is pivotally connected to an adjusting shaft via a connecting lever and several rollers are arranged on this guide surface.
  • the structure of this arrangement is complicated since the guide surface must have bearing arrangements for storing the rollers and, on the other hand, must be designed to be stable enough to absorb the pressing forces of the rollers; in addition, it also has an articulated arrangement via which it is mounted on the connecting lever.
  • Each guide surface arrangement assigned to a guide roller is connected to it in such a way that it is raised or lowered together with the guide roller depending on the thickness of the pressure carrier.
  • the adjusting levers comparable to the connecting levers of the known arrangement are designed directly as guide roller carriers, i.e. the component that must transmit the pressure forces of the idlers carries these idlers directly.
  • the guide surfaces are designed as components that can be attached to the guide roller carriers and only have to perform the guide function. Accordingly, they can be carried out easily and cheaply.
  • the guide surface arrangement is detachably connected to the roller carrier.
  • FIG. 1 shows a print carrier support 2 on which a print carrier, for example a passbook, rests during the printing process.
  • a print carrier for example a passbook
  • the print head 6 When moving in the direction of the double arrow 4, the print head 6 writes one print line at a time; by gradually transporting the print medium in the direction of arrow 8 (or in the opposite direction), several print lines can be written in succession.
  • Guide rollers 10 are arranged above the print carrier support 2 and serve to press a print carrier against the print carrier support 2 and to transport it in the direction of the arrow 8 or in the opposite direction.
  • the guide rollers 10 are arranged in three rows 12, 14, 16 lying one behind the other in the direction of the arrow 8. All guide rollers 10 can be lifted from the print carrier support 2 or can be lowered onto them so that their distance from the print carrier support 2 can be adapted to the thickness of the respective print carrier.
  • the guide rollers are each rotatably mounted on a guide roller carrier 18.
  • the guide roller carriers 18 are designed as support levers which carry the respectively assigned guide roller 10 at one end and are attached with their other end to a pivot axis 20 which is rotatably mounted in the printing device and is shown schematically in FIG.
  • the swivel axes 20 are each connected to a swivel drive, not shown. In this way, the guide rollers of a row of guide rollers can be raised or lowered together by rotating the pivot axis 20.
  • the guide rollers 10 of a row of guide rollers 12, 14, 16 are each connected to a common drive shaft 22, shown schematically in FIG. 1, which in turn is each coupled to a rotary drive, not shown.
  • the guide rollers 10 can thus be driven either in one or the other direction of rotation; they transport the respective print carrier in the direction of arrow 8 or in the opposite direction via the print carrier support 2 by frictional entrainment.
  • the guide rollers are each assigned a guide surface arrangement 24, which serves to guide the leading edge of a pressure carrier fed to the guide rollers into the guide gap formed between the guide rollers 10 and the pressure carrier support 2 26 to steer.
  • these guide surface arrangements are fixedly arranged in the device, their distance from the printing medium support 2 corresponding approximately to the greatest printing medium thickness to be expected.
  • the guide surface arrangement 24 is connected to the respectively assigned guide roller 10 in such a way that it can be raised or lowered with it and adjusted to the respective printing medium thickness.
  • FIG. 2 shows a detail of FIG. 1, for example the guide rollers 10 of the guide roller row 16 on the right in FIG. 1, in an enlarged representation.
  • the guide rollers 10 are each rotatably supported at one end of a lever-type guide roller carrier 18.
  • the guide roller carriers 18 are plugged onto a pivot axis 20 by means of receiving openings 28 formed at their other ends.
  • the pivot axis 20 can be in the direction of the double arrow 30 can be pivoted via a swivel drive, not shown, whereby the guide roller carriers 18 with the guide rollers 10 in the direction of the double arrows 32 can be lifted off or lowered onto the pressure carrier support 2.
  • Fig. 2 shows an example of a savings book 34, in which the number of pages on both sides of the center fold is unequal.
  • the guide rollers 10 are connected to a common drive shaft 22, which in turn is coupled to a rotary drive, not shown.
  • the drive shaft 22 is designed as a flexible shaft so that it does not hinder an individual lifting movement of the guide roller carrier 18 or the guide rollers 10.
  • the guide surface arrangements 24 are each firmly connected to the guide roller carriers 18 and adjusted to the associated guide rollers 10 so that they steer the pressure carrier essentially tangentially to the guide rollers 10 in the guide gap formed between the guide rollers and the pressure carrier support 2.
  • FIG. 3 shows an exemplary embodiment of a guide device with a guide roller carrier 18 designed as a support lever and a guide surface arrangement 24 detachably fastened thereon.
  • the guide roller carrier essentially consists of two lever arms 18a and 18b which comprise the guide roller 10 on both sides and which are connected to one another by a cross strut 18c.
  • Each of the lever arms 18a, 18b is provided with an opening 28a and 28b for receiving the pivot axis 20.
  • a bearing recess which is open in a region of its circumference, is provided for receiving axles 36 of the guide roller 10.
  • the guide surface arrangement 24 essentially consists of a guide plate on which two latching hooks 38, 40 are perpendicular to the plane of the guide plate.
  • These latching hooks 38, 40 are designed to be resilient and, when the guide surface arrangement 24 is placed on the underside of the guide roller carrier 18, overlap the upper side of the associated lever arm 18a or 18b, so that the guide surface arrangement 24 is connected to the guide roller carrier 18. By bending the locking hooks 38, 40 apart, the guide surface arrangement 24 can be detached from the guide roller carrier 18 again.
  • the guide plate forming the guide surface arrangement 24 is essentially U-shaped; the passage opening 46 located between the side legs 42, 44 of the U-shaped guide plate serves to receive the guide roller 10 when the guide plate is mounted, as shown in FIG. 3.
  • leading edges 48, 50 and 52 which run transversely to the transport direction of the print carriers, are each provided with deflecting surfaces 54, 56 and 58 converging in the direction of entry 8 to the transport plane, which essentially coincides with the plane of the plate. These serve to capture the leading edges of the print carrier and to guide them to the underside of the guide surface arrangement 44.
  • leading edges 48, 50 of the two side legs 42, 44 are designed as trailing edges bent up from the transport plane.
  • the deflecting surface 58 on the leading edge 52 of the base leg 60 of the plate results from a cutting-like chamfering of this leading edge 52.
  • the leading edge 48, 50, 52 facing away from the leading edge arrangement of the guide surface arrangement is provided with diverging deflecting surfaces 62 in the direction of exit of the pressure carrier to the transport plane, so that the carrier again transported out of direction 8 Print media cannot catch on this trailing edge.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Handling Of Cut Paper (AREA)
EP19900125301 1990-01-11 1990-12-21 Dispositif de guidage Expired - Lifetime EP0436919B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9000255U 1990-01-11
DE9000255U DE9000255U1 (de) 1990-01-11 1990-01-11 Leiteinrichtung

Publications (3)

Publication Number Publication Date
EP0436919A2 true EP0436919A2 (fr) 1991-07-17
EP0436919A3 EP0436919A3 (en) 1991-10-16
EP0436919B1 EP0436919B1 (fr) 1994-10-12

Family

ID=6849941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900125301 Expired - Lifetime EP0436919B1 (fr) 1990-01-11 1990-12-21 Dispositif de guidage

Country Status (2)

Country Link
EP (1) EP0436919B1 (fr)
DE (1) DE9000255U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0640486A2 (fr) * 1993-08-31 1995-03-01 Shinko Electric Co. Ltd. Imprimante couleur de type à transfert thermique
FR2713990A1 (fr) * 1992-09-10 1995-06-23 Seiko Epson Corp Imprimante à jet d'encre.
US6467901B2 (en) 2000-07-06 2002-10-22 Francotyp-Postalia Ag & Co., Kg Device for printing a print carrier

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641158A (en) * 1995-10-23 1997-06-24 Pitney Bowes Inc. Apparatus and method for receiving a sheet from a first direction and feeding the sheet in a second direction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928223A1 (de) * 1969-06-03 1971-02-25 Hans Fliegel Einrichtung zum Foerdern von Zuschnitten durch Faltschtelklebemaschinen od.dgl.
WO1981001134A1 (fr) * 1979-10-17 1981-04-30 Burroughs Corp Mecanismes d'entrainement pour les livrets de bancaires
US4478402A (en) * 1983-02-07 1984-10-23 Eastman Kodak Company Nip drive for sheet feeding apparatus
JPS60143987A (ja) * 1984-01-05 1985-07-30 Citizen Watch Co Ltd プリンタの紙送り機構

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428308A (en) * 1967-01-03 1969-02-18 Honeywell Inc Flexure-mounted magnetic pinch roll
US4215945A (en) * 1978-12-26 1980-08-05 International Business Machines Corporation Paper feeding apparatus
DE8006325U1 (de) * 1980-03-07 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Papiereinzugsvorrichtung fuer fernschreibmaschinen
DE3043630A1 (de) * 1980-11-19 1982-07-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung fuer ein schreibwerk zum umlenken eines aufzeichnungstraegers
NL8403725A (nl) * 1984-12-07 1986-07-01 Philips Nv Inrichting voor het transporteren van een buigzame strook.
DE3731378A1 (de) * 1987-09-18 1989-04-06 Data Techno Gmbh Einzelbelegschreibwerk mit nadelschreibkopf

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928223A1 (de) * 1969-06-03 1971-02-25 Hans Fliegel Einrichtung zum Foerdern von Zuschnitten durch Faltschtelklebemaschinen od.dgl.
WO1981001134A1 (fr) * 1979-10-17 1981-04-30 Burroughs Corp Mecanismes d'entrainement pour les livrets de bancaires
US4478402A (en) * 1983-02-07 1984-10-23 Eastman Kodak Company Nip drive for sheet feeding apparatus
JPS60143987A (ja) * 1984-01-05 1985-07-30 Citizen Watch Co Ltd プリンタの紙送り機構

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 307 (M-435)[2030], 4. Dezember 1985; & JP-A-60 143 987 (CITIZEN TOKEI) 30-07-1985 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713990A1 (fr) * 1992-09-10 1995-06-23 Seiko Epson Corp Imprimante à jet d'encre.
US5615873A (en) * 1992-09-10 1997-04-01 Seiko Epson Corporation Paper feeder in a printer
US5648807A (en) * 1992-09-10 1997-07-15 Seiko Epson Corporation Ink jet recording apparatus having an antismear sheet deformation discharge system
US5742316A (en) * 1992-09-10 1998-04-21 Seiko Epson Corporation Actuation mechanism and printer using same
US5850235A (en) * 1992-09-10 1998-12-15 Seiko Epson Corporation Printer
US5946016A (en) * 1992-09-10 1999-08-31 Seiko Epson Corp. Printer sheet discharge method
US6027204A (en) * 1992-09-10 2000-02-22 Seiko Epson Corporation Printer including an ink cartridge
USRE38926E1 (en) 1992-09-10 2005-12-27 Seiko Epson Corporation Printer including an ink cartridge
USRE40581E1 (en) * 1992-09-10 2008-11-25 Seiko Epson Corporation Printer including an ink cartridge
EP0640486A2 (fr) * 1993-08-31 1995-03-01 Shinko Electric Co. Ltd. Imprimante couleur de type à transfert thermique
EP0640486A3 (fr) * 1993-08-31 1995-11-02 Shinko Electric Co Ltd Imprimante couleur de type à transfert thermique.
US6467901B2 (en) 2000-07-06 2002-10-22 Francotyp-Postalia Ag & Co., Kg Device for printing a print carrier

Also Published As

Publication number Publication date
EP0436919B1 (fr) 1994-10-12
EP0436919A3 (en) 1991-10-16
DE9000255U1 (de) 1991-05-16

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