EP0281499A2 - Dispositif pour l'ajustement de l'écartement d'impression pour documents épais dans une machine de bureau - Google Patents

Dispositif pour l'ajustement de l'écartement d'impression pour documents épais dans une machine de bureau Download PDF

Info

Publication number
EP0281499A2
EP0281499A2 EP88730014A EP88730014A EP0281499A2 EP 0281499 A2 EP0281499 A2 EP 0281499A2 EP 88730014 A EP88730014 A EP 88730014A EP 88730014 A EP88730014 A EP 88730014A EP 0281499 A2 EP0281499 A2 EP 0281499A2
Authority
EP
European Patent Office
Prior art keywords
print head
print
abutment
band
thick
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
EP88730014A
Other languages
German (de)
English (en)
Other versions
EP0281499A3 (en
EP0281499B1 (fr
Inventor
Alois Limberger
Bernhard Nolte
Dieter Stellmach
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Priority to AT88730014T priority Critical patent/ATE78757T1/de
Publication of EP0281499A2 publication Critical patent/EP0281499A2/fr
Publication of EP0281499A3 publication Critical patent/EP0281499A3/de
Application granted granted Critical
Publication of EP0281499B1 publication Critical patent/EP0281499B1/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
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • 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

Definitions

  • the invention relates to a device for adjusting the distance of a print head to thick print material in an office machine, in particular in a passbook or receipt printer, in which the print head can be moved back and forth between end positions on a print head carriage parallel to a print abutment and perpendicular to the print abutment against a spring force to the print abutment is employable, with at least one rotatable roller mounted on the print head face, which rests on a flexible belt running parallel to the platen, the flexible belt resting firmly on the thick print material during the printing process.
  • Such a device is known from DE-AS 22 34 616.
  • the known device is used for sensing in the sense of an automatic distance control between a print head and the paper to be printed.
  • the known device is intended to solve the problem of creating a paper thickness sensing device on printing units, which makes it possible to achieve an automatic adaptation of the distance between the printhead - paper and different paper thicknesses with simple means and not to complicate the introduction of recording media.
  • such a device can only offer advantages as a distance setting for several layers of paper, but not for print thicknesses that are approximately 0.3 and more millimeters up to a few millimeters.
  • the present invention is therefore based on the object of providing a distance setting for thick printed matter in which both the insertion of the printed matter and the indexing during the printing run without problems.
  • the flexible band is arranged at a parallel distance above the pressure abutment corresponding to the thickest material to be printed and is longitudinally fastened in the longitudinal directions at least to one end of the band under tension spring force in such a way that the print head carriage in sections of it End positions limited by the material to be lifted can be arranged in these end position sections in the flexible band cut-outs in which no support force can be transferred to the bendable band by means of the rotatable roller and that the flexible band unites at least to the length of the cut-outs laterally offset bandwidth section.
  • the flexible band is raised in the end positions of the print head carriage in such a way that printed matter of a few millimeters in thickness can be inserted without interference and that the line switching can be done easily can run without interference.
  • the flexible band it is possible to further increase the distance of the flexible band from the plane of the pressure abutment by concentrically having a ring shoulder with a reduced diameter concentric to its axis of rotation, the width of which corresponds approximately to the width of the laterally offset band width section. This not only increases the distance, but at the same time limits the tape stand in the end positions of the print head carriage, so that, in coordination with the thickest print material, sufficient space is possible to insert and advance the line feed.
  • the lifting of the printhead carriage takes place in that a second roller is rotatably mounted on the printhead carriage, in the course of which the path in the sections of the end positions has an incline which increases in the direction of movement, on which the circumference of the second roller can be supported in the end sections.
  • the attachment of the flexible band is advantageously achieved in that at the level of the pressure abutment in the longitudinal distance of the flexible band studs are provided, in which the flexible band is suspended or guided.
  • a multiform printer as an example of an office machine that works as a printer has a printer frame 1, which consists of side boards 2 and 3, cross struts 4 and 5 and guide axes 6 and 7 for a print head carriage 8.
  • the print head carriage 8 carries a print head 9, such an arrangement of a printer frame 1 for thick print material 10 being pivotably mounted about a horizontal axis 11 in a pair of bearing blocks 12 (FIG. 2).
  • the thick printed matter 10 shown in FIGS. 1 and 2 consists of passbooks, multilayer receipts and the like. thick print material.
  • the exemplary embodiment has a horizontal pressure abutment 13.
  • a leg spring 14 is attached, the legs 14a and 14b of which are supported on the printer frame 1 or on the print head carriage 8, so that the print head carriage 8 has the tendency to always move in the direction of the pressure abutment 13 with a roller 15.
  • This tendency can also be created with a more vertical position of the pressure abutment 13 (as a pressure roller), and the leg spring 14 can also be designed as a compression or tension spring.
  • the roller 15, which is rotatably mounted on the print head face 9a, lies on a flexible belt 16 made of metal, e.g. Spring steel, which runs parallel to the print abutment 13, just next to the print head face 9a, in order to keep the print material 10 in the area of the printing point at a constant distance from the print head face 9a. This distance is important with regard to the needle stroke.
  • the thickest printing material 10 to be processed in the office machine now determines a distance 17 parallel to the pressure abutment 13, at which the printing material 10, for example a passbook, can be easily pushed under the belt 16, or at the end positions 8a and 8b (in FIG 1 the print head carriage is in the right end position 8b) the print material 10 or the print head 9 can be shifted by a line feed step.
  • the band 16 (FIGS. 3 and 4) is at least with one band end 16a in the longitudinal direction 18 under the force of a tension spring 19 and is displaceably mounted in the longitudinal directions.
  • the bearing consists of stud bolts 20, 21, 22 and 23 fastened approximately on the plane 13a of the pressure abutment 13, each of which has ring incisions 24, in which slots 25 of the band 16 are guided.
  • the slots 25 can be open on one side or part of an approximately keyhole-shaped recess 26 for hanging the tape 16 (e.g. at the tape end 16b).
  • the print head carriage 8 can be raised via bevels 27 and 28 and a second roller 29 rotatably mounted on the print head carriage 8, specifically in horizontal sections 30 and 31, which can be approximately the same length as the bevels 27 and 28.
  • cutouts 32 and 33 are provided in the flexible belt 16, in which the rotatable roller 15 with its running surface 15a has no support on the flexible belt 16 Finds more (Fig. 1: End position 8b; Fig 5: End position 8a and Fig. 7: End position 8a).
  • an imaginary line 40 indicates that the axis 35 of the roller 15 and the axis of rotation 41 of the second roller 29 are located rigidly on the print head carriage 8.
  • the printhead carriage 8 is also in the end position 8a (FIG. 5), the second roller 29 just beginning when the printhead carriage 8 moves to the right on the bevel 27, which is part of a wedge piece 42 which is in the sections 30 and 31, respectively the cross strut 5 is attached to drive.
  • the tread 15a After leaving the incline 27, the tread 15a has again gripped the tape 16 and, as shown in FIG. 6, presses it down onto the print material 10 so that printing can be carried out with the print head 9.

Landscapes

  • Common Mechanisms (AREA)
  • Handling Of Sheets (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP88730014A 1987-02-28 1988-01-20 Dispositif pour l'ajustement de l'écartement d'impression pour documents épais dans une machine de bureau Expired - Lifetime EP0281499B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88730014T ATE78757T1 (de) 1987-02-28 1988-01-20 Vorrichtung zur abstandseinstellung eines druckkopfes auf dickes druckgut in einer bueromaschine, insbesondere in einem sparbuchoder belegdrucker.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873706573 DE3706573A1 (de) 1987-02-28 1987-02-28 Vorrichtung zur abstandseinstellung eines druckkopfes auf dickes druckgut in einer bueromaschine, insbesondere in einem sparbuch- oder belegdrucker
DE3706573 1987-02-28

Publications (3)

Publication Number Publication Date
EP0281499A2 true EP0281499A2 (fr) 1988-09-07
EP0281499A3 EP0281499A3 (en) 1990-02-28
EP0281499B1 EP0281499B1 (fr) 1992-07-29

Family

ID=6322041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88730014A Expired - Lifetime EP0281499B1 (fr) 1987-02-28 1988-01-20 Dispositif pour l'ajustement de l'écartement d'impression pour documents épais dans une machine de bureau

Country Status (9)

Country Link
US (1) US4893949A (fr)
EP (1) EP0281499B1 (fr)
JP (1) JPS63230380A (fr)
KR (1) KR950000256B1 (fr)
AT (1) ATE78757T1 (fr)
CA (1) CA1288282C (fr)
DE (2) DE3706573A1 (fr)
ES (1) ES2034353T3 (fr)
YU (1) YU37888A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0530777A2 (fr) * 1991-09-03 1993-03-10 Canon Kabushiki Kaisha Dispositif de transport pour feuilles
FR2720332A1 (fr) * 1994-05-27 1995-12-01 Ier Imprimante à palpeur d'épaisseur pour le support à imprimer.
FR2720331A1 (fr) * 1994-05-27 1995-12-01 Ier Imprimerie à guide mobile pour le support à imprimer.
WO1997033756A2 (fr) * 1996-03-12 1997-09-18 Siemens Nixdorf Informationssysteme Ag Dispositif de transport et de butee de document

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913073A1 (de) * 1989-04-21 1990-10-25 Philips Patentverwaltung Verfahren zur einstellung eines druckspaltes bei einem drucker
US5000590A (en) * 1989-06-29 1991-03-19 Itt Corporation Print head adjustment mechanism
US4957382A (en) * 1989-12-06 1990-09-18 Ncr Corporation Platen-yoke apparatus for a printer using a floating platen
JP2586689B2 (ja) * 1990-05-10 1997-03-05 富士通株式会社 印字装置
US5135316A (en) * 1990-05-29 1992-08-04 Juki Corporation Automatic print head position adjusting mechanism
DE9115445U1 (fr) * 1991-12-13 1993-01-28 Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De
DE69328703T2 (de) * 1992-06-10 2000-12-28 Canon Kk Vorrichtung zur Bewegungsbegrenzung eines Aufzeichnungsmaterials in einem Aufzeichnungsgerät
DE4309593C2 (de) * 1993-03-22 1995-03-09 Inkjet Systems Gmbh Co Kg Anordnung zur Führung eines Aufzeichnungsträgers
US5672015A (en) * 1994-04-11 1997-09-30 International Business Machines Corporation Apparatus and method for printing
JP4339718B2 (ja) * 2004-02-18 2009-10-07 株式会社沖データ 印刷装置
CN106427198B (zh) * 2016-11-03 2019-06-14 杭州宏华数码科技股份有限公司 一种平网印花和数码印花联合的印花装置及印花方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516149A1 (de) * 1975-04-11 1976-10-21 Mannesmann Ag Matrixdrucker
DE3210213A1 (de) * 1982-03-19 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Vorrichtung fuer nadeldrucker zur einstellung des abstandes zwischen dem druckkopf und dem aufzeichnungstraeger

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL153804B (nl) * 1972-07-14 1977-07-15 Triumph Werke Nuernberg Ag Drukinrichting.
DE2318947A1 (de) * 1973-04-14 1974-10-24 Kienzle Apparate Gmbh Matrixdrucker
DE2321017B2 (de) * 1973-04-26 1975-07-24 Triumph Werke Nuernberg Ag, 8500 Nuernberg Papierstärken-Abtast-Einrichtung
US4024940A (en) * 1976-04-13 1977-05-24 Mannesmann Aktiengesellschaft Matrix printer having document thickness compensating device
DE3112079C2 (de) * 1981-03-27 1983-02-03 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Vorrichtung zum Abheben des Druckkopfes von der Druckgegenlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516149A1 (de) * 1975-04-11 1976-10-21 Mannesmann Ag Matrixdrucker
DE3210213A1 (de) * 1982-03-19 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Vorrichtung fuer nadeldrucker zur einstellung des abstandes zwischen dem druckkopf und dem aufzeichnungstraeger

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0530777A2 (fr) * 1991-09-03 1993-03-10 Canon Kabushiki Kaisha Dispositif de transport pour feuilles
EP0530777A3 (fr) * 1991-09-03 1994-01-26 Canon Kk
US5808647A (en) * 1991-09-03 1998-09-15 Canon Kabushiki Kaisha Sheet conveying apparatus having a releasable press member for applying pressure to a sheet
FR2720332A1 (fr) * 1994-05-27 1995-12-01 Ier Imprimante à palpeur d'épaisseur pour le support à imprimer.
FR2720331A1 (fr) * 1994-05-27 1995-12-01 Ier Imprimerie à guide mobile pour le support à imprimer.
WO1997033756A2 (fr) * 1996-03-12 1997-09-18 Siemens Nixdorf Informationssysteme Ag Dispositif de transport et de butee de document
WO1997033756A3 (fr) * 1996-03-12 1998-02-05 Siemens Nixdorf Inf Syst Dispositif de transport et de butee de document
US5961224A (en) * 1996-03-12 1999-10-05 Siemens Nixdorf Informationssysteme A Document transport and stop device

Also Published As

Publication number Publication date
DE3706573C2 (fr) 1989-02-09
YU37888A (en) 1990-10-31
US4893949A (en) 1990-01-16
KR950000256B1 (ko) 1995-01-12
ES2034353T3 (es) 1993-04-01
EP0281499A3 (en) 1990-02-28
DE3873119D1 (de) 1992-09-03
DE3706573A1 (de) 1988-09-08
ATE78757T1 (de) 1992-08-15
KR880009796A (ko) 1988-10-05
JPS63230380A (ja) 1988-09-26
CA1288282C (fr) 1991-09-03
EP0281499B1 (fr) 1992-07-29

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