EP0029200A2 - Dispositif d'introduction d'un matériau de copie pour une imprimante, dispositif comportant plusieurs protège-papiers disposés axialement - Google Patents

Dispositif d'introduction d'un matériau de copie pour une imprimante, dispositif comportant plusieurs protège-papiers disposés axialement Download PDF

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Publication number
EP0029200A2
EP0029200A2 EP80106939A EP80106939A EP0029200A2 EP 0029200 A2 EP0029200 A2 EP 0029200A2 EP 80106939 A EP80106939 A EP 80106939A EP 80106939 A EP80106939 A EP 80106939A EP 0029200 A2 EP0029200 A2 EP 0029200A2
Authority
EP
European Patent Office
Prior art keywords
paper
guide trough
area
roller
writing
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.)
Withdrawn
Application number
EP80106939A
Other languages
German (de)
English (en)
Other versions
EP0029200A3 (fr
Inventor
Franz Ing.-Grad. Peischl
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0029200A2 publication Critical patent/EP0029200A2/fr
Publication of EP0029200A3 publication Critical patent/EP0029200A3/fr
Withdrawn legal-status Critical Current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
    • B41J13/036—Rollers co-operating with a roller platen
    • B41J13/048—Front and rear rollers both mounted on a common carrier
    • B41J13/054—Front and rear rollers both mounted on a common carrier on the paper apron concentric with the roller platen

Definitions

  • the invention relates to a paper feed device for printing devices, in particular typewriters or similar office machines, in which a writing carriage is moved line by line along a recording medium via a drive device, with a paper carrier designed as a paper roller, a paper guide trough and paper pressure elements.
  • paper printing elements possibly arranged in the transport direction of the platen roller after the writing point must be designed such that they do not touch the paper during the writing process because of the required drying time of the ink;
  • the platen roller can have a certain sag, for example, which leads to incomplete contact of the paper tray with the paper roller, or the feeding of the When using very thin and very large record carriers, paper sheet is made more difficult overall by the sensitivity of the record carrier material.
  • the paper guide trough has resilient infeed and outfeed areas which lie against the paper roll and can be swiveled out for inserting the recording medium, and in that the infeed area, when the infeed area is swiveled out, is combing and thereby adhere to the Paper roller supporting paper alignment comb is arranged.
  • the paper guide trough consists of several axially arranged individual troughs.
  • the paper is also drawn in in the correct position in the case of different types of paper with different thicknesses and formats.
  • the guidance of the paper in the area of the writing point is so precise that no special paper pressure elements above the writing point are necessary.
  • the paper strength is guided freely past the writing point, where it abuts against a leading edge, which picks up the paper and supports the paper in the inserted state.
  • An ink-writing printing device not described here has a piezoelectrically operated printing head 1, which is moved along a recording medium via an electrical drive device, not shown here.
  • This record carrier is a paper feed device described in more detail below. brought into the writing position opposite the printhead 1 or transported accordingly by this paper feed device when writing line by line.
  • the paper feed device consists of a paper roll 2 and a paper roll 2 opposite this arranged paper guide trough 3 with assigned paper pressure elements, for example a pressure roller 4 and a pressure bar 5.
  • the paper guide trough itself is divided into several separate, axially arranged individual troughs, each of which has its own paper pressure elements.
  • the tiny tubs themselves consist of a continuous piece of elastic, resilient steel and have a swiveling inlet area 6 and a swiveling outlet area 7.
  • a swiveling paper pull-out comb 8 is arranged, which passes through openings 9 when the paper is inserted and rests elastically with its teeth on the paper roll 2.
  • the paper guide trough 3 also consist of a resilient, continuous spring band which can be pivoted onto the paper roll 2 via pivoting devices.

Landscapes

  • Handling Of Cut Paper (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
EP80106939A 1979-11-14 1980-11-10 Dispositif d'introduction d'un matériau de copie pour une imprimante, dispositif comportant plusieurs protège-papiers disposés axialement Withdrawn EP0029200A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792946033 DE2946033C2 (de) 1979-11-14 1979-11-14 Papiereinzugsvorrichtung für Druckeinrichtungen
DE2946033 1979-11-14

Publications (2)

Publication Number Publication Date
EP0029200A2 true EP0029200A2 (fr) 1981-05-27
EP0029200A3 EP0029200A3 (fr) 1982-12-08

Family

ID=6085994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80106939A Withdrawn EP0029200A3 (fr) 1979-11-14 1980-11-10 Dispositif d'introduction d'un matériau de copie pour une imprimante, dispositif comportant plusieurs protège-papiers disposés axialement

Country Status (3)

Country Link
EP (1) EP0029200A3 (fr)
JP (1) JPS5684986A (fr)
DE (1) DE2946033C2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007050A1 (fr) * 1988-01-28 1989-08-10 Siemens Aktiengesellschaft Dispositif de guidage du papier pour imprimantes
EP0376736A3 (fr) * 1988-12-30 1990-10-31 Oki Electric Industry Co., Ltd. Imprimante avec dispositif d'alimentation en papier sélectif
EP0420400A3 (en) * 1989-09-29 1991-06-12 Hewlett-Packard Company Printer medium drive clearance eliminator
EP0433022A1 (fr) * 1989-12-14 1991-06-19 Hewlett-Packard Company Imprimante avec mécanisme amélioré pour empêcher l'indruction en biais du papier
US5139353A (en) * 1988-12-30 1992-08-18 Oki Electric Industry Co., Ltd. Printer having a single platen with multiple paper feed

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816874A (ja) * 1981-07-24 1983-01-31 Ricoh Co Ltd プリンタ
DE3142700C2 (de) * 1981-10-28 1986-01-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Papierführung für Drucker
DE3316668C2 (de) * 1982-05-08 1985-08-01 Ricoh Co., Ltd., Tokio/Tokyo Vorrichtung zur Zuführung eines blattförmigen Aufzeichnungsträgers zu einem Farbstrahldrucker
US4502804A (en) * 1982-09-24 1985-03-05 Willcox Frederick P Paper feeding and guiding system
US5052831A (en) * 1989-08-29 1991-10-01 Victor Company Of Japan, Ltd. Device for exact registration of monochrome images of a color reproduction in a thermal ink transfer printer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520340A (en) * 1923-03-16 1924-12-23 Remington Typewriter Co Typewriting machine
US1817251A (en) * 1927-04-01 1931-08-04 Remington Typewriter Co Typewriting machine
US1790298A (en) * 1928-06-20 1931-01-27 Bo okkeeping machine
DE650261C (de) * 1929-03-15 1937-09-15 Mercedes Bueromaschinen Werke Papierfuehrungsvorrichtung an Schreibmaschinen
FR722978A (fr) * 1931-09-18 1932-03-31 Wanderer Werke Vorm Winklhofer Dispositif de guidage du papier pour machines à écrire
US3026986A (en) * 1960-09-06 1962-03-27 Royal Mcbee Corp Apparatus for producing uniform printwork
US3223221A (en) * 1963-03-13 1965-12-14 Royal Typewriter Co Inc Paper handling mechanism
DE2738855A1 (de) * 1977-08-29 1979-03-15 Siemens Ag Vorrichtung zur papierfuehrung in druckgeraeten, insbesondere bei daten- und fernschreibmaschinen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007050A1 (fr) * 1988-01-28 1989-08-10 Siemens Aktiengesellschaft Dispositif de guidage du papier pour imprimantes
US5042953A (en) * 1988-01-28 1991-08-27 Siemens Aktiengesellschaft Paper guide means for printer equipment
EP0376736A3 (fr) * 1988-12-30 1990-10-31 Oki Electric Industry Co., Ltd. Imprimante avec dispositif d'alimentation en papier sélectif
US5139353A (en) * 1988-12-30 1992-08-18 Oki Electric Industry Co., Ltd. Printer having a single platen with multiple paper feed
EP0420400A3 (en) * 1989-09-29 1991-06-12 Hewlett-Packard Company Printer medium drive clearance eliminator
EP0433022A1 (fr) * 1989-12-14 1991-06-19 Hewlett-Packard Company Imprimante avec mécanisme amélioré pour empêcher l'indruction en biais du papier

Also Published As

Publication number Publication date
EP0029200A3 (fr) 1982-12-08
DE2946033A1 (de) 1981-05-21
DE2946033C2 (de) 1982-08-19
JPS5684986A (en) 1981-07-10

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): CH FR GB IT NL SE

17P Request for examination filed

Effective date: 19811028

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18W Application withdrawn

Withdrawal date: 19840612

RIN1 Information on inventor provided before grant (corrected)

Inventor name: PEISCHL, FRANZ, ING.-GRAD.