EP0858903A2 - Dispositif pour transporter des bandes continues de papier et des feuilles coupées aux imprimantes - Google Patents

Dispositif pour transporter des bandes continues de papier et des feuilles coupées aux imprimantes Download PDF

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Publication number
EP0858903A2
EP0858903A2 EP98100069A EP98100069A EP0858903A2 EP 0858903 A2 EP0858903 A2 EP 0858903A2 EP 98100069 A EP98100069 A EP 98100069A EP 98100069 A EP98100069 A EP 98100069A EP 0858903 A2 EP0858903 A2 EP 0858903A2
Authority
EP
European Patent Office
Prior art keywords
friction
drives
printing unit
rollers
spike
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
EP98100069A
Other languages
German (de)
English (en)
Other versions
EP0858903A3 (fr
EP0858903B1 (fr
Inventor
Klaus Brandenburg
Wendelin Weber
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.)
PSI Printer Systems International GmbH
Original Assignee
PSI Printer Systems 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 PSI Printer Systems International GmbH filed Critical PSI Printer Systems International GmbH
Publication of EP0858903A2 publication Critical patent/EP0858903A2/fr
Publication of EP0858903A3 publication Critical patent/EP0858903A3/fr
Application granted granted Critical
Publication of EP0858903B1 publication Critical patent/EP0858903B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/20—Advancing webs by web-penetrating means, e.g. pins
    • B65H20/22—Advancing webs by web-penetrating means, e.g. pins to effect step-by-step advancement of web
    • 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
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/046—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for the guidance of continuous copy material, e.g. for preventing skewed conveyance of the continuous copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls

Definitions

  • the invention relates to a device for the optional transport of continuous paper webs with border perforation and cut leaves, form sets, etc. in printers or similar devices, for which paper transport both before and also behind the printing unit, friction drives with rollers and for the continuous paper webs at least in front of the printing unit, engaging in the perforations on both sides Spike drives are arranged.
  • Friction drives are often used for printing on cut sheets or forms used to capture the sheets both in front of and behind the printing unit and transport.
  • the first friction drive arranged in front of the printing unit consisting from a driven pair of rollers, the cut sheet between them or detects the continuous paper web, pushes it through the printing unit.
  • a second, The pair of rollers arranged behind the printing unit take over the cut sheets or the paper web for further transport and possibly also for transport in a shelf.
  • the feed takes over to the printing unit, a spike drive which drives the paper web into the friction drive in front of the Printing unit pushes .
  • the friction drives used for processing cut sheets also take over the transport of continuous paper webs in the printer and out of the printer.
  • the US Ps 4 913 574 shows and describes an equipped with a pressure cylinder Printing unit that feeds with a continuous paper web or with cut single sheets can be.
  • Switchable friction drives are in front of and behind the printing unit arranged. Each of these friction drives consists of one driven, controlled by the printing unit and a freely rotating spring against the driven roller so pressable second roller that a between the Rolls of inserted paper are transported into the printing unit. Behind the printing unit a second, correspondingly constructed friction drive is arranged, which Further transport takes over.
  • a cassette in front of the printing unit to hold Single sheets and a spike drive for continuous paper webs arranged.
  • About one Mechanically actuated shift lever and corresponding gear can be in one first position of the spike drive for the continuous paper web and that behind the Printing unit arranged friction drive can be switched on.
  • the spike drive is switched off and the one in front of the printing unit horizontal friction drive switched on. Both are in a third switch position
  • the friction drive is released from the drive and the freely rotating counter rollers are lifted off. In In this operating position, a paper jam is easy to clear.
  • the invention has for its object a device for printing paper webs and build up of cut paper at which an overspeed of the friction drive arranged behind the printing unit and thus not only one Wear of the rollers, but also a controllable at different speeds Drive for these friction rollers is avoided.
  • a device of the type described is simplified and the Operation improved by using a drive through which the spike drive only the friction drives during the feeding and removal of continuous paper webs is switched on with the corresponding direction of rotation.
  • the spike drive instead of a simple uncontrolled drive motor, which is only in operation for feeding the paper web, the motor for the Use friction drives and this with the spike drive via a switchable Coupling to connect ..
  • At least one of the bearings for the rollers is arranged in front of the printing unit Friction drive adjustable, so this friction drive can be used during processing can be opened slightly by endless webs. The second, after the printing unit arranged friction drive pulls the paper web through the printing unit
  • the figure shows a schematic side view of a printing unit consisting of a Printhead 1, e.g. a needle print head, with the associated pressure bar 2, the cut one Sheets or form sets via the friction drive with the rollers 3.4 fed and via the friction drive with the rollers 5,6 to a not shown Tray can be moved further.
  • a Printhead 1 e.g. a needle print head
  • the associated pressure bar 2 the cut one Sheets or form sets via the friction drive with the rollers 3.4 fed and via the friction drive with the rollers 5,6 to a not shown Tray can be moved further.
  • a small uncontrolled motor can drive the spike 7 to insert a continuous web of paper 12 into the printer.
  • the drive motor 8 via the clutch 9 as Drive with the pin drive 7 non-positively connected. So that is on the verge perforated paper web 12 pushed by the motor 8 to the pair of rollers 3, 4.
  • the Pair of rollers 3, 4 takes over the paper web 12 and pushes it through the printing unit 1.2 through to the driven roller pair 5.6.
  • the paper web 12 When using continuous paper webs with a perforated side edge, the paper web 12 via the pin drive driven by the motor 8 and the engaged clutch 9 7 the roller pair 3.4 and thus the printing unit 1.2 fed. Behind the Printing unit 1.2 takes over the pair of rollers 5.6 the paper web and moves it to Storage or a downstream cutter.
  • the spike drive guides the idle pulled by the pair of rollers 3.4 and 5.6 Paper web 12 and thus ensures the straight feed. During printing is the paper web through the spike drive even with different grip Surfaces of the friction rollers and perfectly straight for long paper lengths guided..
  • a sensor the spike drive 12 or the pair of rollers 5, 6, z. B. in the form of Magnetic wheel can be assigned.
  • the sensor 10 can mechanically or optically detect the edge perforation and thus Provide comparison values for the target position of the lines. Via a computer 11 can then the detected small deviations by readjustment of the drive motor 8 be corrected when changing sheets or a line feed, so that with regard to no significant deviations in the line status. For the readjustment, the target movement of the stepping motor 8 is changed by a corresponding one Correction value increased or decreased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handling Of Sheets (AREA)
  • Advancing Webs (AREA)
EP98100069A 1997-02-15 1998-01-05 Dispositif pour transporter des bandes continues de papier et des feuilles coupées aux imprimantes Expired - Lifetime EP0858903B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29702659U DE29702659U1 (de) 1997-02-15 1997-02-15 Einrichtung zum Transport von Endlospapier und geschnittenen Blättern in Druckern
DE29702659U 1997-02-15

Publications (3)

Publication Number Publication Date
EP0858903A2 true EP0858903A2 (fr) 1998-08-19
EP0858903A3 EP0858903A3 (fr) 1999-03-03
EP0858903B1 EP0858903B1 (fr) 2000-08-16

Family

ID=8036004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98100069A Expired - Lifetime EP0858903B1 (fr) 1997-02-15 1998-01-05 Dispositif pour transporter des bandes continues de papier et des feuilles coupées aux imprimantes

Country Status (2)

Country Link
EP (1) EP0858903B1 (fr)
DE (2) DE29702659U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064159A1 (fr) * 2002-01-31 2003-08-07 Neopost Limited Systeme d'impression d'envois

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7282624B2 (ja) * 2019-07-12 2023-05-29 キヤノン株式会社 シート処理装置及び画像形成システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3606060C1 (de) * 1986-02-25 1987-04-30 Siemens Ag Papiertransportvorrichtung fuer Einzelblaetter und Endlospapier in Druckeinrichtungen
US4913574A (en) * 1987-09-30 1990-04-03 Brother Kogyo Kabushiki Kaisha Sheet feeding apparatus in a printer
EP0556944A1 (fr) * 1992-02-21 1993-08-25 MANNESMANN Aktiengesellschaft Imprimante pour imprimer différents genres de papier et méthode pour l'alimentation alternée du papier en feuille et du papier en bandes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2902406B2 (ja) * 1988-11-14 1999-06-07 旭光学工業株式会社 レーザープリンタの連続紙先頭出し装置
DE4343997A1 (de) * 1993-12-22 1995-06-29 Psi Printer Systems Internatio Verfahren zum Betreiben eines Druckers
JP2853602B2 (ja) * 1994-10-28 1999-02-03 富士通株式会社 用紙搬送装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3606060C1 (de) * 1986-02-25 1987-04-30 Siemens Ag Papiertransportvorrichtung fuer Einzelblaetter und Endlospapier in Druckeinrichtungen
US4913574A (en) * 1987-09-30 1990-04-03 Brother Kogyo Kabushiki Kaisha Sheet feeding apparatus in a printer
EP0556944A1 (fr) * 1992-02-21 1993-08-25 MANNESMANN Aktiengesellschaft Imprimante pour imprimer différents genres de papier et méthode pour l'alimentation alternée du papier en feuille et du papier en bandes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064159A1 (fr) * 2002-01-31 2003-08-07 Neopost Limited Systeme d'impression d'envois

Also Published As

Publication number Publication date
EP0858903A3 (fr) 1999-03-03
DE59800234D1 (de) 2000-09-21
DE29702659U1 (de) 1997-12-18
EP0858903B1 (fr) 2000-08-16

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