EP0369162B1 - Imprimante comportant un poste d'impression basculant - Google Patents

Imprimante comportant un poste d'impression basculant Download PDF

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Publication number
EP0369162B1
EP0369162B1 EP89118816A EP89118816A EP0369162B1 EP 0369162 B1 EP0369162 B1 EP 0369162B1 EP 89118816 A EP89118816 A EP 89118816A EP 89118816 A EP89118816 A EP 89118816A EP 0369162 B1 EP0369162 B1 EP 0369162B1
Authority
EP
European Patent Office
Prior art keywords
platen
print head
chassis
axle
adjustable
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 - Lifetime
Application number
EP89118816A
Other languages
German (de)
English (en)
Other versions
EP0369162A2 (fr
EP0369162A3 (fr
Inventor
Günter Baitz
Wolfgang Malke
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 EP0369162A2 publication Critical patent/EP0369162A2/fr
Publication of EP0369162A3 publication Critical patent/EP0369162A3/fr
Application granted granted Critical
Publication of EP0369162B1 publication Critical patent/EP0369162B1/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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/316—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with tilting motion mechanisms relative to paper surface

Definitions

  • the invention relates to a printing device comprising a chassis, a print abutment, a print head which is adjustable relative to this in the line direction and a chassis-fixed stop for fixing the print position of a record carrier which can be inserted between the print head and the print abutment.
  • Such a printing device is known for example from DE-OS 35 14 062.
  • the known printing device is arranged within an automated teller machine for printing check forms and the like, either only one line being printed on the recording medium or the recording medium being moved relative to the printing head in order to be able to print several lines.
  • the invention has for its object to provide a printing device of the type mentioned, which enables multiple lines of printing on a fixed record carrier in a short time.
  • the stop is assigned a holding device for holding the recording medium in its printing position and that the bar-shaped pressure abutment and the print head are arranged on a swivel frame which is located on the chassis by a parallel to the printing abutment at a distance from it Axis pivotally mounted and adjustable by means of a swivel drive.
  • the swivel frame By holding the record carrier during the printing process and the arrangement of the print abutment and the print head on the swivel frame, it is possible with appropriate actuation of the swivel drive to apply a multi-line print to the stationary record carrier, the spacing of the lines being arbitrary. This makes it possible to print information in predetermined fields of the record carrier with high precision.
  • the adjustment of the swivel frame can be done very quickly, so that for the line feed time is very short. This applies in particular if the swivel frame can be swiveled about a horizontal axis and is adjusted downwards from line to line during the printing process, since the actuator is then supported by the force of gravity acting on the swivel frame.
  • the holding device preferably comprises a clamping device with at least one clamping element, which is adjustable by means of a clamping drive relative to a stop bar supporting the record carrier, the clamping drive preferably being an electromagnet.
  • the printhead can be arranged in a manner known per se on a carrier which is adjustably guided on the swivel frame parallel to the platen.
  • a carrier which is adjustably guided on the swivel frame parallel to the platen.
  • the electric motor driving the carrier is arranged on the swivel frame near the swivel axis or even on the side of the swivel axis remote from the pressure abutment. In the latter case, the drive motor for the carrier can thus create a counterweight to the printhead and the swivel frame can thus be balanced.
  • a very reliable and precise adjustment of the swivel frame can be achieved in that on the swivel frame near the pressure abutment there is a toothed segment which is curved in a circular arc around the swivel axis and which meshes with a gearwheel mounted on the chassis and driven by a stepper motor.
  • the print head carrier is a rocker which is pivotably mounted about an axis directed perpendicular to the pivot axis and essentially parallel to the recording surface, the pressure abutment being curved in a circular arc around the rocker axis.
  • the print head carrier instead of relatively complex slide or roller guides for the print head carrier, you only need a simple pivot bearing for the rocker.
  • a needle printhead 36 with a mouthpiece 38 is used for printing on the recording medium 18.
  • the recording medium 18 is supported by a bar-shaped pressure abutment 40.
  • Both the platen 40 and the printhead 36 are arranged on a pivot frame, generally designated 42, which is pivotally mounted about a shaft 44 extending between the side walls 12 of the chassis 10, so that the printhead 36 and the platen 40 between them in the Figure 1 can be pivoted by solid lines and dash-dotted lines positions.
  • the swivel frame 42 consists of two side walls 46 (FIG. 2), which are connected to one another by a cross member 48, the pressure abutment 40 and two guide rods 50.
  • a carriage 52 carrying the print head 36 is guided so as to be displaceable in the direction of the double arrow A in FIG. 2, so as to print one line to enable the record carrier 18.
  • the carriage 52 is driven by an electric motor 54 arranged on the cross member 48, the output shaft 56 of which drives a belt 58 which is guided over rollers 60 mounted on the side cheeks and is fastened to the carriage 52.
  • the swivel drive for the swivel frame 42 comprises a stepper motor 62 which is fastened to the chassis in a manner not shown, the output shaft 64 of which drives a toothed shaft 70 via a belt 66 and a pulley 68, each of which has a toothed segment 72 curved on the side cheeks in a circular arc around the swivel shaft 44 46 of the swivel frame 42 combs. This allows the print head 36 and the platen 40 to be adjusted to print multiple lines on the record carrier 18.
  • an electronic circuit arrangement 74 which includes the controls for the drives 62 and 54, the clamping device 20 and the print head 36.
  • the embodiment shown in FIG. 3 differs from the embodiment according to FIGS. 1 and 2 by a different adjustment of the print head 36 in the line direction.
  • the printhead 36 is mounted on a rocker 76 which is pivotally mounted about an axis 78 directed perpendicular to the pivot shaft 44 and approximately parallel to the printing plane.
  • the front end of the mouthpiece 38 of the print head 36 thus executes a movement on an arcuate path when the rocker 76 is pivoted.
  • the bar-shaped pressure abutment 40 is also a circular arc around the rocker axis 78 curved.
  • the rocker arm can be adjusted, for example, by an electric motor 80, the output pinion 82 of which meshes with a toothed rack 84 arranged on the rocker arm in the shape of a circular arc.
  • an electric motor 80 the output pinion 82 of which meshes with a toothed rack 84 arranged on the rocker arm in the shape of a circular arc.

Landscapes

  • Common Mechanisms (AREA)

Claims (5)

  1. Dispositif d'impression, comprenant un châssis (10), une butée d'impression (40) en forme de barre, une tête d'impression (36) déplaçable par rapport à cette butée dans la direction horizontale, et une butée (16) solidaire du châssis pour fixer la position d'impression d'un support d'enregistrement (18) pouvant être introduit entre la tête d'impression (36) et la butée d'impression (40), caractérisé par le fait qu'à la butée (16) est associé un dispositif de retenue (20) servant à fixer le support d'enregistrement (18) dans sa position d'impression et que la butée d'impression (40) en forme de barre et la tête d'impression (36) sont disposées sur un cadre pivotant (42), qui est monté sur le châssis (10) de manière à pouvoir pivoter autour d'un axe (44) parallèlement à la butée d'impression (40) et à une certaine distance de cette dernière et qui peut être réglé au moyen d'un dispositif d'entraînement pivotant (62 à 72; 76 à 86).
  2. Dispositif d'impression suivant la revendication 1, caractérisé par le fait que le dispositif de retenue comprend un dispositif de serrage muni d'au moins un élément de serrage (30), qui est réglable, au moyen d'un dispositif d'entraînement de serrage (22,26), par rapport à une barrette de butée (16) qui prend appui sur le support d'enregistrement (18).
  3. Dispositif d'impression suivant la revendication 1 ou 2, caractérisé par le fait que la tête d'impression (36) est disposée sur un support (52) guidé sur le cadre pivotant (42) en étant réglable parallèlement à la butée d'impression (40), et qu'un moteur électrique (54), qui entraîne le support (52), est disposé sur le cadre pivotant (42), à proximité de l'axe de pivotement (44) ou sur le côté, éloigné de la butée d'impression (40), de l'axe de pivotement (44).
  4. Dispositif d'impression suivant l'une des revendications 1 à 3, caractérisé par le fait que, sur le cadre pivotant (42) et à proximité de la butée d'impression (40), est disposé un segment denté (72), qui est cintré en forme d'arc de cercle autour de l'axe de pivotement (44) et qui engrène sur un pignon (70) monté sur le châssis (10) et entraîné par un moteur pas-à-pas (62).
  5. Dispositif d'impression suivant l'une des revendications 1 à 4, caractérisé par le fait que le support de la tête d'impression est un élément oscillant (76), qui est monté sur le cadre pivotant (42) de manière à pouvoir pivoter autour d'un axe (78) qui est perpendiculaire à son axe de pivotement (44) et qui est sensiblement parallèle à la surface d'enregistrement, et que la butée d'impression (40) est cintrée en forme d'arc de cercle autour de l'axe (78) de l'élément oscillant.
EP89118816A 1988-11-14 1989-10-10 Imprimante comportant un poste d'impression basculant Expired - Lifetime EP0369162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8814238U DE8814238U1 (de) 1988-11-14 1988-11-14 Druckvorrichtung
DE8814238U 1988-11-14

Publications (3)

Publication Number Publication Date
EP0369162A2 EP0369162A2 (fr) 1990-05-23
EP0369162A3 EP0369162A3 (fr) 1991-01-02
EP0369162B1 true EP0369162B1 (fr) 1993-12-29

Family

ID=6829860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118816A Expired - Lifetime EP0369162B1 (fr) 1988-11-14 1989-10-10 Imprimante comportant un poste d'impression basculant

Country Status (3)

Country Link
US (1) US5039233A (fr)
EP (1) EP0369162B1 (fr)
DE (2) DE8814238U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4433054C1 (de) * 1994-09-16 1996-02-22 Avery Dennison Corp Verfahren und Vorrichtung zum Bedrucken eines Substrates durch Heißprägen
DE10003546C1 (de) * 2000-01-27 2001-03-15 Wincor Nixdorf Gmbh & Co Kg Druckvorrichtung
DE10009802A1 (de) 2000-02-24 2001-08-30 Francotyp Postalia Gmbh Druckvorrichtung und Druckverfahren mit beweglicher Druckkopfführung
DE10009800A1 (de) 2000-02-24 2001-08-30 Francotyp Postalia Gmbh Vorrichtung zum Führen eines Druckkopfs

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106731A (fr) * 1973-02-12 1974-10-09
US3937925A (en) * 1974-06-25 1976-02-10 Ibm Corporation Modular transaction terminal with microprocessor control
GB1462321A (en) * 1974-07-26 1977-01-26 California Computer Products Two-axis plotter
US3926061A (en) * 1974-10-02 1975-12-16 Hewlett Packard Co Differential drive rotating disc impact printer
DE2554804C2 (de) * 1975-12-05 1985-07-18 Georg Hefter GmbH Maschinen- und Gerätebau, 8210 Prien Belegdrucker
DE2844698A1 (de) * 1977-10-14 1979-04-26 Telecomunicacion Electronica Y Druckmechanismus fuer fahrkarten u.ae.
US4202637A (en) * 1977-11-14 1980-05-13 Mauro Tummolo Method and machine for dry character transfer
DE2824621A1 (de) * 1978-06-05 1979-12-13 Philips Patentverwaltung Einrichtung in bueromaschinen zur selbsttaetigen abstandssteuerung eines druckkopfes gegenueber dem druckwiderlager
DE2914968A1 (de) * 1979-04-12 1980-10-30 Pixa Joachim W Einrichtung zum bedrucken von belegen
DE3147415C3 (de) * 1981-11-30 1987-01-02 Nixdorf Computer Ag, 4790 Paderborn Einrichtung zum Transportieren von Quittungsformularen oder dergleichen in einem Druckgerät
KR840000445Y1 (ko) * 1982-02-01 1984-03-19 주식회사금성사 2열 프린트 휠의 상, 하 구동장치
DE3208382A1 (de) * 1982-03-09 1983-09-15 Kurt 6085 Nauheim Diehl Schreibmaschine
DE3214633C2 (de) * 1982-04-20 1986-10-30 Nixdorf Computer Ag, 4790 Paderborn Einrichtung zur Führung eines auswechselbaren Farbbandes in einem Drucker
US4514100A (en) * 1983-08-19 1985-04-30 At&T Teletype Corporation Mounting apparatus for dot matrix print head
JPS612945U (ja) * 1984-06-12 1986-01-09 沖電気工業株式会社 プラテンギヤツプ調整機構
ATE36137T1 (de) * 1984-09-18 1988-08-15 Mannesmann Tally Gmbh Matrixdrucker, insbesondere matrixzeilendrucker.
US4687361A (en) * 1985-03-07 1987-08-18 Oki Electric Industry Co., Ltd. Rack mount for a rack and pinion carriage moving mechanism
US4738552A (en) * 1985-03-11 1988-04-19 Oki Electric Industry Co., Ltd. Platen gap adjusting mechanism of printer
JPS6116880A (ja) * 1985-05-31 1986-01-24 Canon Inc プリンタ
GB2195956B (en) * 1986-10-07 1991-02-13 Seiko Epson Corp Thermal transfer printer
EP0308566B1 (fr) * 1987-09-23 1992-12-16 MANNESMANN Aktiengesellschaft Machine de bureau, en particulier imprimante à matrice de points, avec ajustement de l'écart entre la tête d'impression et le cylindre de frappe
US4893950A (en) * 1988-09-28 1990-01-16 Xerox Corporation Apparatus and method for controlling the positioning of marking elements in a serial impact printer

Also Published As

Publication number Publication date
US5039233A (en) 1991-08-13
EP0369162A2 (fr) 1990-05-23
EP0369162A3 (fr) 1991-01-02
DE8814238U1 (de) 1990-03-22
DE58906573D1 (de) 1994-02-10

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