EP0064668A2 - Pivot pour mécanisme d'impression - Google Patents

Pivot pour mécanisme d'impression Download PDF

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Publication number
EP0064668A2
EP0064668A2 EP82103592A EP82103592A EP0064668A2 EP 0064668 A2 EP0064668 A2 EP 0064668A2 EP 82103592 A EP82103592 A EP 82103592A EP 82103592 A EP82103592 A EP 82103592A EP 0064668 A2 EP0064668 A2 EP 0064668A2
Authority
EP
European Patent Office
Prior art keywords
printing
coupling
planes
printing unit
swivel device
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
EP82103592A
Other languages
German (de)
English (en)
Other versions
EP0064668B1 (fr
EP0064668A3 (en
Inventor
Peter Vogelhuber
Hans Joachim Wysk
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.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Kienzle Apparate GmbH
Mannesmann Kienzle 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 Kienzle Apparate GmbH, Mannesmann Kienzle GmbH filed Critical Kienzle Apparate GmbH
Priority to AT82103592T priority Critical patent/ATE21859T1/de
Publication of EP0064668A2 publication Critical patent/EP0064668A2/fr
Publication of EP0064668A3 publication Critical patent/EP0064668A3/de
Application granted granted Critical
Publication of EP0064668B1 publication Critical patent/EP0064668B1/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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/62—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on two or more separate sheets or strips of printing material being conveyed simultaneously to or through the printing zone

Definitions

  • the invention relates to a swiveling device for a printing unit which is displaceable parallel (in the direction of the line) to a printing base but can be pivoted in the printing position to a plurality of different printing bases and which comprises a printhead and a carriage which is spaced as far apart as possible for its movement in the line direction Printing web width arranged side parts on guide parts is movable.
  • the print head with its pressure point - the pressure point is defined as the point of contact of the middle printing needle in a mosaic printer - moves in a circular path from one printing position to the other relative to two different ones Printing materials.
  • This type of movement of the print head from one printing position to the other printing position has the consequence that the overall arrangement has a relatively large overall height, which is of little advantage for use in a printing device, for example to be arranged on a table, since then the printer would become so high that it is no longer possible for the operator to see the upper printing point.
  • the printhead moves during its pivoting movement on a very flat path into the printing position, so that due to various paper guide parts which are arranged near the printing position on the printing pad, the pivoting of the printhead can only take place in certain positions, so that it is not caused by the aforementioned Paper guide parts is hindered.
  • the invention has for its object to provide a pivoting device for a printing unit with a relatively low profile, which allows printing of several printing documents, so that a table workstation printer can be created, in which the operator can still follow the printing process on the upper printing pad.
  • the swiveling device in such a way that a partial swiveling is also possible by stopping the swiveling device after a certain smaller or larger angle. Furthermore, the pivoting of the print head should be able to take place in the same in any lateral position.
  • the swiveling device is characterized in that the pivoting of the side parts with the printing unit serves a transmission which consists of a fixed, partial cross-loop and a coupling guided therein with two end points, on which the drive element acts and with which the side parts of the printing unit are connected , wherein the planes intersecting the pressure points in their end positions, which run perpendicular to the print planes on the printing documents, essentially intersect the coupling between their end points.
  • this consists of a gear connected to the side parts, which rolls on a fixed internal toothing of a guide part during its drive movement, the diameter of the gear and the internal toothing behaving like 1: 2, so that the gearwheel is between forms the two engagement points with the internal toothing in one and the other printing position extending coupling.
  • the swiveling device has the advantage that the printing unit moves in its swiveling on a very steep path into the printing position, which has the advantage of a significantly smaller space requirement than the circular path.
  • the cross loop with two branches is arranged so that one branch is vertical and the other horizontal, the printing planes running parallel to the connecting line between the end points of the coupling.
  • This arrangement has the advantage that a section is selected from the path of movement of the pivoting device, which causes the printhead to move almost vertically into the printing position, in particular at the end of the pivoting movement. Any component penetrations with paper guides etc. are therefore avoided, the pivoting movement can be effected in any lateral position of the print head.
  • a stepping motor is used as the drive element for the swivel device, digitized partial positioning is also possible, with the result that the printhead does not have to be swiveled to its other end position each time, but rather can only swivel it so far, for example, that the view is released on the print image. Also, with such a partial positioning of the printhead, a special retraction of the printhead for the purpose of connecting the recording medium in rows is no longer necessary, which results in a simplification of the printing unit (printhead and carriage).
  • Another advantage of partial positioning is that the printhead can only be pivoted, for example, by the width of a single printing needle. In this case, it is possible to print over the same line several times to produce a print that corresponds to the correspondence, because then the second print fills the gaps (rounding of the print needles) of the first print.
  • FIG. 1 can be seen in front of a printing pad 1, a printing unit 2, which consists of a carriage 3 and the actual print head 4, the mouthpiece 5 of which is located directly in front of the printing pad 1 via an ink ribbon 6 and inscribes a paper on the printing pad 1 with its printing needles, not shown.
  • the level in which the printing needles act on the base 1 is the first printing level D 1 (FIG. 4).
  • the ink ribbon 6 is removed from a cassette 7, which consists of two parts 7a and 7b, which is arranged on a guide 8 to the right and left of the printing position 9.
  • the ink ribbon 6 is stored in part 7a of the cassette, is conveyed by drive means in part 7b and is guided in front of the printing position 9.
  • the printing unit 2 is mounted and guided on an axis 10 as a guide part, which is between two side parts 11 and 12 is held.
  • a motor 13 is arranged on the right side part 11 and drives the printing unit 2 on the guide axis 10 via a belt wheel 14, a belt 15 and a further belt wheel (not shown), so that it is displaced in the line direction to the pressure on the printing substrate 1 to effect.
  • the second printing pad 16 (see FIG. 3) is arranged at an angle of approximately 90 ° to the first printing pad 1, in which case the print head prints the pad from top to bottom.
  • the plane in which the print head 4 interacts with the second printing pad defines a second printing plane D 2 '.
  • the side parts 11, 12, the axis 10 as a guide part and the printing unit 2 are pivoted by the pivoting device to be described in the following so that the print head 4 prints either on the printing pad 1 or on the printing pad 16.
  • the pivoting device for the printing unit 2 With the guide part, the axis 10, and thus also with the side parts 11 and 12, the coupling 17, which on the left side consists of the two parts 18 and 19, which are connected to one another. On the right side, the coupling 17 consists only of the part 19 with the rollers 20 and 21 attached to it, as can also be seen from FIGS. 2 and 3 results.
  • the two rollers 2o and 21 are rotatably attached to two corners of the square part 19 and are guided in two branches 22 and 23 of a partial cross loop 24.
  • the rollers 2 0 , 21 form the end points of the coupling 17.
  • the two branches 22 and 23 are Grooves in one pass tion plate 25 which is fixedly attached to a side support plate 26.
  • the end positions of the two rollers 2o and 21 are limited by stop levers 27 and 28, which are under the action of springs 29 and 30. If the roller 21 in the position shown in FIG. 2 end position shown, the spring 30 is somewhat tensioned. As a result, the spring 30 supports this movement in the sense of an additional acceleration at the beginning of the movement of the coupling 17, so that the movement process can start up quickly. On the other hand, the spring 30 dampens the pivotal movement at the end thereof. The situation is similar with the stop lever 27. When the coupling 17 is in its other end position, see FIG.
  • a bow-shaped part 31 is fastened to the coupling 17, 18, 19, in which a nut 32 is rotatably mounted. Passed through the nut 32 is the drive spindle 33, which is driven by a gear 34 from the axis 35 of a stepper motor 36.
  • the stepper motor 36 When pivoted, the stepper motor 36 is switched on. It drives the spindle 33 via the gearwheel 34, the nut 32 moves on the spindle 33 and thereby also the coupling 17 in FIG. 3 pivoted counterclockwise.
  • the rollers 21 and 20 move in the cross loop 24 from the position shown in FIG. 3 in the position shown in FIG. 2.
  • the printing unit 2 interacts with the printing pad 16. If, on the other hand, the motor is driven in the other direction, the coupling 17 with the two rollers 20 and 21 moves in the cross loop 24 from the position shown in FIG. 2 back to the position shown in FIG. 3. In this position, the printing unit 2 acts on the printing pad 1.
  • FIG. 4 is a schematic representation in which the two pressure planes D 1 , D 2 , the two positions of the coupling 27 in the cross loop 24 and the planes P 1 . P 2 , the in pressure points A 1 . A 2 stand vertically on the printing planes.
  • the planes P 1 , P 2 intersect the coupling perpendicularly, which is not necessary, however, if, for example, the two branches of the cross loop have a different angular position to the printing planes.
  • the path B 1 on which the print head moves between the printing substrates 1 and 16 or printing planes D 1 and D 2 .
  • the printhead is pulled back relatively quickly at the beginning of the pivoting movement and at the end of the same, it plunges again just as steeply into the other printing position.
  • FIG. 5 shows in a schematic representation that the two-part transmission consisting of coupling and cross-loop can also be designed differently.
  • a gearwheel 40 is the coupling which interacts with a fixed guide part 42 with an internal toothing 41.
  • the diameter of the internal teeth 41 is twice as large as the diameter of the gear wheel 4 0th
  • the spindle 33 and the motor 36 then act on the gearwheel 40 by means of a suitable connecting member in order to generate the rotary movement. If the gear 4o rotates clockwise, then it rolls on the internal toothing 41 until it has reached the position shown in broken lines after half a revolution.
  • the respective position of the printing planes D 1 , D 2 and the print head can also be seen.
  • the end points of the coupling are the engagement points of the gearwheel 4o with the internal toothing 41 in the two end positions, which are represented by a connecting line K 1 . It can be seen that the printhead also travels a very steep path B 2 when pivoting between the pressure points A 1 and A 2 .
EP82103592A 1981-05-08 1982-04-28 Pivot pour mécanisme d'impression Expired EP0064668B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82103592T ATE21859T1 (de) 1981-05-08 1982-04-28 Schwenkvorrichtung fuer ein druckwerk.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813118205 DE3118205A1 (de) 1981-05-08 1981-05-08 Schwenkvorrichtung fuer ein druckwerk
DE3118205 1981-05-08

Publications (3)

Publication Number Publication Date
EP0064668A2 true EP0064668A2 (fr) 1982-11-17
EP0064668A3 EP0064668A3 (en) 1984-02-08
EP0064668B1 EP0064668B1 (fr) 1986-09-03

Family

ID=6131753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82103592A Expired EP0064668B1 (fr) 1981-05-08 1982-04-28 Pivot pour mécanisme d'impression

Country Status (4)

Country Link
US (1) US4401025A (fr)
EP (1) EP0064668B1 (fr)
AT (1) ATE21859T1 (fr)
DE (2) DE3118205A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208111C2 (de) * 1982-03-06 1984-05-30 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Druckeinrichtung in modularer Bauweise
US5980136A (en) * 1998-04-23 1999-11-09 Xerox Corporation Drum platen type printing machine for printing on regular and card-stock substrates
EP1668321B1 (fr) * 2003-09-29 2010-12-15 Micro Motion, Inc. Appareil de diagnostic et methodes pour un debitmetre de coriolis
US7357480B2 (en) * 2004-09-29 2008-04-15 Pitney Bowes Inc. System for independent translational motion on two axes using one motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE518714C (de) * 1931-02-19 Karl Schmitz Kreuzkurbelschleifengetriebe
FR1469180A (fr) * 1965-12-30 1967-02-10 Moteur permettant la transmission d'un mouvement par train hypocycloïdal
FR1519699A (fr) * 1967-02-06 1968-04-05 Transformation:mouvements rectilignes en mouvements rotatifs, mouvements rotatifs enmouvements rectilignes
DE2823153A1 (de) * 1978-05-26 1979-11-29 Kienzle Apparate Gmbh Druckeinrichtung mit einem beweglichen druckkopf

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331628A1 (de) * 1973-06-22 1975-01-09 Philips Patentverwaltung Schrittschalteinrichtung fuer den aufzeichnungstraeger bei mosaikdruckwerken
US3882985A (en) * 1973-07-23 1975-05-13 Ncr Co Tiltable matrix print head to permit viewing of the characters
US4141660A (en) * 1975-03-19 1979-02-27 Kienzle Apparate Gmbh Printer for data-processing machine having single operator station
US4086997A (en) * 1977-03-07 1978-05-02 Wang Laboratories, Inc. Adjustable support for print head assembly
DE2752061C3 (de) * 1977-11-22 1981-02-12 Philips Patentverwaltung Gmbh, 2000 Hamburg Einrichtung zur Einstellung des Abstandes eines Druckkopfes senkrecht zum Druckwiderlager
DE2847577A1 (de) * 1978-11-02 1980-05-08 Olympia Werke Ag Tintenschreib-, druck-, kopierwerk mit andruckrollen auf drehbar gelagerter antriebswelle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE518714C (de) * 1931-02-19 Karl Schmitz Kreuzkurbelschleifengetriebe
FR1469180A (fr) * 1965-12-30 1967-02-10 Moteur permettant la transmission d'un mouvement par train hypocycloïdal
FR1519699A (fr) * 1967-02-06 1968-04-05 Transformation:mouvements rectilignes en mouvements rotatifs, mouvements rotatifs enmouvements rectilignes
DE2823153A1 (de) * 1978-05-26 1979-11-29 Kienzle Apparate Gmbh Druckeinrichtung mit einem beweglichen druckkopf

Also Published As

Publication number Publication date
DE3272980D1 (en) 1986-10-09
ATE21859T1 (de) 1986-09-15
EP0064668B1 (fr) 1986-09-03
US4401025A (en) 1983-08-30
EP0064668A3 (en) 1984-02-08
DE3118205A1 (de) 1982-11-25

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