EP0169426B1 - Dispositif de dépôt du papier pour imprimantes à jet d'encre - Google Patents

Dispositif de dépôt du papier pour imprimantes à jet d'encre Download PDF

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Publication number
EP0169426B1
EP0169426B1 EP85108379A EP85108379A EP0169426B1 EP 0169426 B1 EP0169426 B1 EP 0169426B1 EP 85108379 A EP85108379 A EP 85108379A EP 85108379 A EP85108379 A EP 85108379A EP 0169426 B1 EP0169426 B1 EP 0169426B1
Authority
EP
European Patent Office
Prior art keywords
paper
transport rollers
deposition
deposition container
container
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.)
Expired
Application number
EP85108379A
Other languages
German (de)
English (en)
Other versions
EP0169426A1 (fr
Inventor
Alois Dipl.-Ing. Brandner (Fh)
Thomas Dipl.-Ing. Krause (Fh)
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of EP0169426A1 publication Critical patent/EP0169426A1/fr
Application granted granted Critical
Publication of EP0169426B1 publication Critical patent/EP0169426B1/fr
Expired 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
    • 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
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • DE-OS-3 228 620 discloses a paper storage device for printing device for storage, sheet-shaped recording media transported from the back to the front by a platen roller, in which the storage takes place both in increasing and in falling order.
  • a swiveling storage container is arranged above the platen roller, with transport rollers located in the output region of the platen roller, which capture the recording medium after passing through the writing region and place it in the storage container.
  • Additional flaps which are stored in the container and serve as a storage surface and which adjust depending on the pivoting position of the storage container, support the storage of the single sheets.
  • flaps within the storage container to support the storage of the single sheets requires a complex structure and also impairs ease of use and the view of the sheets.
  • the object of the invention is to design a paper depositing device of the type mentioned at the outset such that, despite a minimum number of pairs of transport rollers, the individual sheets are deposited securely.
  • the paper filing device should be simple and reliable.
  • the pivot axis of the storage container By placing the pivot axis of the storage container in the area of the transport roller pairs between the transport rollers and thereby pivoting the storage container centrally around the transport roller pairs arranged between the storage trays of the storage container, the possibility arises in connection with a rough surface of the transport roller pairs with a minimum number of transport roller pairs get along.
  • the pairs of transport rollers capture the individual paper sheet essentially at its edges, whereby resilient guides arranged in the region of the transport roller pairs ensure that, depending on the swivel position of the storage container, the corresponding assigned transport rollers, after passing between the transport rollers, use their rough surface at the bottom edge to pass the paper sheet record and place on the appropriate shelf in either increasing or decreasing order.
  • the paper storage container consists of a base body of low height with a front or rear wall that can be inserted therein if necessary.
  • a write head 1 is moved in the write mode line by line along a tensioned over a platen 2 record carrier 3.
  • Single sheets are used as record carriers, which are transported with the help of the motor-driven platen roller 2 from back to front through a paper guide in accordance with the progress of the writing operation.
  • a storage container 4 which serves to receive the printed single sheets and to stack them inside the container.
  • two shafts 6 and 7, which are arranged next to one another and are driven by a motor device 5, are arranged in the outlet area of the platen roller 2 and are mounted in the housing and separately from the storage container.
  • the storage container made of plastic injection molding consists of a base body 9 with a storage surface 21 which can be inserted into the guide 10 and serves as a front or rear wall.
  • the storage container is closed at the bottom by front 11 and rear storage shelves 12. Both storage shelves 11 and 12 are close to the Transport rollers 8 brought up and partially cover them via recesses 13.
  • a bearing device 15 (spray collar) formed on the narrow sides 14 of the storage container 4 works with a bearing piece in the housing of the printing device, not shown here, and makes it possible to pivot the storage container 4 centrally around the transport rollers 8, the pivot axis of the storage container being approximately between the transport roller pairs.
  • Paper guides 16/1 and 16/2 are arranged on the left and right in the storage container 3 in order to guide the recording medium 3 to assist storage.
  • These paper guides consist of one each elastic wire bracket 17, which is connected to the storage container 4 in an appropriate holder.
  • at least one of the paper guide elements namely the wire bracket 17 of the right paper guide 16/2 is guided in its holder so as to be longitudinally displaceable.
  • the wire bracket of the paper guide elements 16 extends along the left and right paper transport roller pairs 8/1, 8/2 and 8/5, 8/6 beyond them with a lower guide lug 18 in the direction of the platen roller 2.
  • the lower guide lug 18 forms together with housing parts 19 and 23 an inlet guide for the recording medium 3 which changes as a function of the swivel position of the storage container.
  • the function of the paper deposit device for single sheets is as follows: To deposit the single sheets in increasing order, i. H. In a sequence in which the paper described first comes to lie at the lowest point after the paper stack has been removed from the storage container 4, the storage container is pivoted backwards about the shafts 6 and 7 with the bearing device 15 as shown in FIG. 1. A single sheet 3 is transported from behind via the platen roller 2 to the writing point opposite the writing head 1. After writing on the single sheet 3, the upper edge of the single sheet 3 abuts against the guide shoulder 18 of the wire bracket 17 of the paper guides 16/1 and 16/2 and is deflected by this guide shoulder and guided between the rollers 8. The motorized drive 5, the z. B.
  • driven transport rollers 8 capture the single sheet 3 and guide it along the rear edge of the wire bracket 17 in the direction of the rear tray.
  • the front transport rollers 8/2, 8/4, 8/6 lying on the side of the print head 1 are connected via a spring element 22 which, for. B. can be a compression spring or a wire bracket, pressed against the rear transport rollers 8/1, 8/3, 8/5.
  • the transport rollers 8/1, 8/3 and 8/5 assigned to the rear storage shelf 12 grasp the paper at its lower edge and, as a result of its rotation, lift it onto the rear storage shelf 12. To accomplish this lifting, the transport rollers 8 have the Longitudinal grooves 20 on.
  • the storage container 4 is pivoted to the right and the storage surface 21 serving as the front or rear wall is repositioned accordingly.
  • the individual sheets 3 are deposited in such a way that the sheet described first is placed with the writing side directed onto the storage area 21 inserted on the right.
  • the lower guide lugs 18 of the wire bracket 17 pivot when the storage container 4 is folded over according to the direction of the arrow in FIG. 2 and thus form a guide channel which brings the top of the single sheet 3 first into the area of the transport rollers 8 and then with the front of the wire bracket 17 in the direction of the front shelf 11 deflects.
  • the front transport rollers 8/2, 8/4 and 8/6 lift the single sheet with its lower edge onto the front storage shelf 12 after passing through the single sheet.

Landscapes

  • Pile Receivers (AREA)

Claims (6)

1. Dispositif récepteur de papier pour imprimantes ligne à ligne, en particulier pour imprimantes utilisant de l'encre, dans lesquelles des supports d'enregistrement (3) en forme de feuilles, transportés sur un cylindre d'impression (2), sont saisis par des paires de galets de transport de papier (8) entraînées par moteur et disposées dans la zone de sortie du papier du cylindre d'impression sur des arbres parallèles (6, 7), et sont empilés dans un bac récepteur de papier (4) disposé au-dessus du cylindre d'impression et que l'on peut faire basculer autour de son axe horizontal, l'empilage s'effectuant, en fonction de la position en basculement du bac récepteur, soit sur la paroi avant, soit sur la paroi arrière (21) de ce bac, à chacune desquelles correspond un fond de réception (11, 12), la surface périphérique des galets de transport de papier (8) ayant une rugosité telle qu'à la suite du passage du support d'enregistrement (3), les galets saisissent le support d'enregistrement par son bord inférieur et le soulèvent dans la partie avant ou arrière (11, 12) du bac récepteur (4),
caractérisé en ce que le bac récepteur (4) est réalisé pour basculer au moyen d'un dispositif de montage (15) autour d'un axe de basculement qui passe au centre entre les arbres (6, 7) parallèles et entre les fonds de réception (11, 12), et que le bac récepteur (4) présente, dans la zone des galets de transport de papier (8), des éléments guide-papier (16) qui s'étendent au-delà des paires de galets de transport de papier (8) jusque dans le bac récepteur (4) et s'étendent par un prolongement de guidage (18) en direction du cylindre d'impression (2), de sorte qu'ils alignent et guident les supports d'enregistrement (3) en forme de feuilles, avancés entre les galets de transport (8), en fonction de la position en basculement du bac récepteur (4).
2. Dispositif selon la revendication 1, caractérisé en ce que les galets de transport (8) présentent des rainures longitudinales (20) à leur périphérie.
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les éléments guide-papier (16) sont constitués par des étriers élastiques en fil (17) disposés sur les petits côtés du bac récepteur (4).
4. Dispositif selon la revendication 3, caractérisé en ce qu'au moins un étrier en fil (17) est disposé réglable longitudinalement sur un support prévu sur le petit côté (14) du bac récepteur (4).
5. Dispositif selon une des revendications 1 à 4, caractérisé en ce que le bac récepteur comporte un corps de base (9) de faible hauteur, dans lequel une paroi avant ou une paroi arrière (21) peut être emboîtée selon les besoins.
6. Dispositif selon une des revendications 1 à 5, caractérisé en ce qu'une paire de galets de transport centrale (8/3, 8/4) et une paire de galets de transport latérale pour chaque côté (8/1, 8/2, 8/5, 8/6) sont disposées sur les arbres parallèles (6, 7).
EP85108379A 1984-07-09 1985-07-05 Dispositif de dépôt du papier pour imprimantes à jet d'encre Expired EP0169426B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3425248 1984-07-09
DE3425248 1984-07-09

Publications (2)

Publication Number Publication Date
EP0169426A1 EP0169426A1 (fr) 1986-01-29
EP0169426B1 true EP0169426B1 (fr) 1989-01-04

Family

ID=6240192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108379A Expired EP0169426B1 (fr) 1984-07-09 1985-07-05 Dispositif de dépôt du papier pour imprimantes à jet d'encre

Country Status (2)

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EP (1) EP0169426B1 (fr)
DE (1) DE3567172D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727070A1 (de) * 1987-08-11 1989-02-23 Mannesmann Ag Papierfuehrungsvorrichtung fuer bueromaschinen, insbesondere fuer matrixdrucker
EP0540531A1 (fr) * 1990-07-26 1993-05-12 MANNESMANN Aktiengesellschaft Dispositif de sechage et de guidage de supports d'enregistrement imprimes dans des imprimantes a jet d'encre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH620652A5 (fr) * 1978-01-23 1980-12-15 Rutishauser Data Ag
US4371276A (en) * 1980-07-31 1983-02-01 Xerox Corporation Sheet stacking output tray
DE3228620A1 (de) * 1982-07-30 1984-02-02 Siemens AG, 1000 Berlin und 8000 München Vorrichtung fuer zeilendruckeinrichtungen zur ablage von blattfoermigen aufzeichnungstraegern

Also Published As

Publication number Publication date
DE3567172D1 (en) 1989-02-09
EP0169426A1 (fr) 1986-01-29

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