EP0369162A2 - Imprimante comportant un poste d'impression basculant - Google Patents

Imprimante comportant un poste d'impression basculant Download PDF

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Publication number
EP0369162A2
EP0369162A2 EP19890118816 EP89118816A EP0369162A2 EP 0369162 A2 EP0369162 A2 EP 0369162A2 EP 19890118816 EP19890118816 EP 19890118816 EP 89118816 A EP89118816 A EP 89118816A EP 0369162 A2 EP0369162 A2 EP 0369162A2
Authority
EP
European Patent Office
Prior art keywords
print head
axis
chassis
swivel
abutment
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
EP19890118816
Other languages
German (de)
English (en)
Other versions
EP0369162B1 (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
Siemens Nixdorf Informationssysteme 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 Nixdorf Informationssysteme AG filed Critical Siemens Nixdorf Informationssysteme AG
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 automatic 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 can be adjusted by a clamping drive relative to a stop bar supporting the recording medium, 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.
  • 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 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.
  • the printing device shown in Figures 1 and 2 comprises a chassis 10, of which only the side walls 12 and the bottom 14 are indicated. Between the side walls 12 and perpendicular to these, a stop bar 16 is attached, which has an L-shaped profile and as Support and positioning stop for a record carrier 18 is used. This stop bar 16 is assigned a clamping device, generally designated 20. This comprises an electromagnet 22 which is fastened to a strip 24 which extends between the side walls 12 of the chassis 10.
  • the armature 26 of the electromagnet 22 engages via a pin-slot connection 28 on a clamping piece 30 which is mounted on the stop bar 16 so as to be pivotable about an axis 32 and is provided with a clamping mandrel 34 with which the recording medium 18 on the stop bar 16 can be held when the clamping piece 30 is pivoted clockwise from the position shown in Figure 1 into its clamping position.
  • 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 printhead 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)
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 true EP0369162A2 (fr) 1990-05-23
EP0369162A3 EP0369162A3 (fr) 1991-01-02
EP0369162B1 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706890A3 (fr) * 1994-09-16 1998-09-09 Avery Dennison Corporation Méthode et dispositif d'impression sur substrats par estampage à chaud
DE10003546C1 (de) * 2000-01-27 2001-03-15 Wincor Nixdorf Gmbh & Co Kg Druckvorrichtung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (21)

* 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
DE3473132D1 (en) * 1984-09-18 1988-09-08 Mannesmann Tally Gmbh Matrix printer, in particular a matrix line printer
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
GB2195956B (en) * 1986-10-07 1991-02-13 Seiko Epson Corp Thermal transfer printer
ATE83439T1 (de) * 1987-09-23 1993-01-15 Mannesmann Ag Bueromaschine, insbesondere matrixdrucker, mit druckkopf/schreibwiderlager-abstandsjustage.
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706890A3 (fr) * 1994-09-16 1998-09-09 Avery Dennison Corporation Méthode et dispositif d'impression sur substrats par estampage à chaud
DE10003546C1 (de) * 2000-01-27 2001-03-15 Wincor Nixdorf Gmbh & Co Kg Druckvorrichtung

Also Published As

Publication number Publication date
EP0369162B1 (fr) 1993-12-29
EP0369162A3 (fr) 1991-01-02
DE8814238U1 (de) 1990-03-22
US5039233A (en) 1991-08-13
DE58906573D1 (de) 1994-02-10

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