EP0992357B1 - Printing device - Google Patents

Printing device Download PDF

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Publication number
EP0992357B1
EP0992357B1 EP99110853A EP99110853A EP0992357B1 EP 0992357 B1 EP0992357 B1 EP 0992357B1 EP 99110853 A EP99110853 A EP 99110853A EP 99110853 A EP99110853 A EP 99110853A EP 0992357 B1 EP0992357 B1 EP 0992357B1
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EP
European Patent Office
Prior art keywords
type carriers
housing
spacing element
printing device
printing
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
EP99110853A
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German (de)
French (fr)
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EP0992357A1 (en
Inventor
Peter Bender
Rainer Heckmann
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.)
Meto International GmbH
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Meto International GmbH
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Publication date
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Publication of EP0992357A1 publication Critical patent/EP0992357A1/en
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Publication of EP0992357B1 publication Critical patent/EP0992357B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41KSTAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K3/00Apparatus for stamping articles having integral means for supporting the articles to be stamped
    • B41K3/02Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface
    • B41K3/04Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface and movable at right angles to the surface to be stamped
    • B41K3/06Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface and movable at right angles to the surface to be stamped having type-carrying bands or chains

Definitions

  • the invention relates to a printing unit according to the preamble of claim 1.
  • Such printing units are found in particular in price labeling devices and hand stamping use. In its basic They consist of several pressure belts or wheels, which are manually adjustable by means of an adjustment button, so that selectable print types are placed in the print position can. After inking up in the printing position printing types with ink, which is usually indicated by a Ink roller or ink pad can be printed on an item - especially a price label - printed on it become.
  • a ribbon printing unit is, for example, from EP 153651 A became known.
  • DE 2604745 A discloses a hand stamp in which between Adjacent washers inserted between adjacent pressure tapes are that define a distance between two printing tapes.
  • a disadvantage is that the assembly of the printing units is relatively complex. A simultaneous insertion of all Printing tapes in the printing unit is not conceivable, since between each two spacers a spacer is to be inserted, see above that a production only manually or through complex machines is possible. The printing units are thus due to manufacturing technology Problems relatively expensive.
  • the object of the present invention is a To create printing unit, the printing ribbons easily adjustable are, and that is easy and inexpensive to manufacture.
  • a printing unit with a Housing several type carriers arranged side by side in the housing, which are individually adjustable and have print types, and at least one between two adjacent type carriers positionable spacer solved in that the spacer between a first position in which it is not positioned between the type carriers, and a second Position in which it is positioned between the type carriers, is movable.
  • the main idea is to make the spacer movable, in particular pivotable or also displaceable, in the housing the printing unit.
  • the spacer is from its first Position (rest position in which the assembly of the type carrier is not hindered) in his second position (working position) spent in the it between two neighboring type bearers intervenes, and in which it is assigned the friction between the neighboring type holders by producing the necessary Distance between them is reduced.
  • the advantages of the invention are primarily that Friction between adjacent type carriers against one Printing unit without spacers is reduced, so that the Adjusting the type carrier required forces also reduced are.
  • the manufacturing effort is compared to that State of the art, in the washers between the type carriers are much less.
  • the spacer be form-fitting to attach on a rotatable axis, so that it through Rotation of the axis between its first and second position is pivotable.
  • Such an axis is particularly advantageous if several spacing elements are spaced apart a common axis are arranged, and each spacer by rotating the axis to a second position can be spent in between two neighboring type holders is arranged. This allows multiple spacer elements are simultaneously placed in their second (work) position, what the manufacturing effort for printing units with more than reduced two type carriers.
  • the type carriers can be special, the coaxial printing tapes Wrap arranged adjustment wheels at least partially.
  • the spacer is arranged in the vicinity of the setting wheels and preferably also engages between adjacent dials.
  • An advantage here is that the friction between the neighboring dials during the setting process is, so that easier adjustability is advantageous Episode is. It should be noted that in the context of the invention It is also conceivable to use wheels as type carriers is; then the spacer would be between neighboring ones Engage pressure or setting wheels.
  • the printing unit 10 shown in FIG. 1 contains one out of two Housing halves 12 and 14 composite printing unit housing, in which several arranged in parallel to adjustment wheels 16 and Deflection wheels 18 guided around the pressure range 20 are accommodated.
  • the printing unit 10 is in particular for use provided in hand labeling devices.
  • the print ribbons 20 are not included in Figure 1 for reasons of clarity shown, but clearly visible in Figure 2.
  • the printing tapes 20 alternately carry printing types on their outer peripheral surface 22 and display types 24.
  • the assignment of print types 22 to the Display types 24 are made such that print types 22, which are currently in the printing position on a deflection wheel 18, and display types 24, which are indicated by a on the top of the housing arranged window 26 are visible, in each case the same Number, the same letter or the like. This means that through the window 26 on the top of the housing through it can be seen which character with the below print types 22 located on the deflection edge onto a recording medium can be printed.
  • the print bands 20 are around dials 16 guided around, which are rotatably mounted on a sleeve 28.
  • the sectional drawing of Figure 2 shows that in the sleeve 28th three slots are attached to the right in Figure 1 lying sleeve ends are open. Reach through these slots Teeth 32,34,36 through which are attached to an adjusting shaft 42 are.
  • the adjusting shaft 42 is in a bushing 44 slidably mounted in the housing half 14.
  • an operating button 48 attached, with the help of the Adjustment shaft 42 axially shifted on the one hand and on the other hand can be rotated. Due to the axial displacement of the adjusting shaft 42 are the teeth 36 attached to it initially with the recesses 46 of an adjusting wheel 16 to be adjusted Engaged, and by rotating the adjusting shaft 42nd then, the printing tape 20 passed around its outer circumference until a desired print type 22 in Printing position is located below the deflection wheel 18. As before The respective position of the print types can be mentioned 22 checked through the window 26 attached to the top of the housing become. To achieve a drive connection between the pressure bands 20 and the setting wheels 16 have the pressure bands 20 teeth 50 on their inner surface, which in recesses 52 engage in the outer peripheral surfaces of the dials 16.
  • This Latching mechanism includes a sleeve 28 attached Locking finger 54, which is on the inner surface of the sleeve radially inwards protrudes and engages in recesses 56 which are in one area introduced the outer peripheral surface of the adjusting shaft 42 are.
  • a locking recess 56 is provided for each of the setting wheels mounted on the sleeve 28 16.
  • the adjusting shaft 42 extends in the section immediately adjacent to the operating button 48 through a bushing 44 on a conical cap 64 is attached.
  • a conical cap 64 is attached.
  • One of the functions of this cap 64 is for a smooth covering of the upper part of the printing unit 10 to worry about.
  • it also carries a window 26 surrounding it Frame 27, which is slidably mounted on the top of the housing is; the type of storage is clearly shown in Figure 2.
  • Another locking mechanism for the dials 16 exists from a coil spring 66 which is parallel to the longitudinal axis of the Adjusting shaft 42 is arranged on the circumference of the adjusting wheels 16 is that they are in the recesses 52 on the circumference of the dials 16 partially penetrates, which can be clearly seen in Figure 2 is. So that the dials 16 can be rotated, though the screw spring 66 engages in its recesses according to FIG. 2, is the coil spring on an elastically compliant Pad 68 stored. When turning the setting wheels 16 can dodge the coil spring 66 in this way and thereby press into the cushion 68.
  • the deflection wheels 18 are rotatably mounted on an axis 70, which extends parallel to the longitudinal axis of the setting shaft 42. Another locking mechanism works with the deflection wheels 74 together, the deflection wheel in a manner known per se 18 locked in a position in which a printing type 22 is in the printing position.
  • FIG. 2 it can be seen that a second printing unit 72, which with the printing unit shown on the left in FIG. 2 essentially is the same, but has smaller print types 22 ', in the Housing 10 is installed.
  • Printing unit spacer elements 80 are provided between two positions adjustable are:
  • the spacer elements In the second position are the spacer elements with the reference symbol 80 marked. They are between two adjacent printing tapes 20 and their tip is between the Positioning wheels 18 positioned over which the printing tapes 20th run.
  • the spacers 80 thus prevent in the second position a touch of adjacent pressure tapes 20, which increases the friction significantly reduced between them and an easier setting enables the pressure tapes with the actuating button 48.
  • the first position is primarily from manufacturing Reasons, because it allows the printing tapes 20 at the same time, ie (directly next to each other with respect to FIG. 1) to bring into the housing of the printing unit 10. Subsequently the spacer elements from position 80 by pivoting in position 80 ', in which the distance between define adjacent print bands.
  • the second printing unit 72 Since the second printing unit 72 has significantly smaller printing types 22 ' and thus has thinner pressure bands 20 ', is the friction less between the latter, so that spacer elements are dispensed with can be.
  • the spacer elements are common are arranged on an axis 82 and by (cylindrical) Spacers 84 are kept apart from each other.
  • the axis 82 has a provided square cross-section, while the spacer elements 80 equipped with a hole 86 with two straight side surfaces are so that the spacer elements 80 in the form and are torque-locked on the axis 82 because the Axis 82 extends through hole 86.
  • the spacer elements 80 are roughly rectangular and point near one of the shorter ones Open hole 86.
  • Figure 4 shows the view of a spacer element 80. It is in its end region opposite the hole 86 is trapezoidal shaped. The distance from hole 86 and that at the top left in FIG. 4 drawn corner is slightly larger than the distance between Hole 86 and the corner of the Spacer 80.
  • the shape of the spacer 80 is chosen so that a rotation in the printing unit 10 between the first and the second position is possible - that's why it's on his drawn in on the right in Figure 4, the hole 86 adjacent Rounded side so that no collision with the top Wall of the housing of the printing unit 10 occurs - and that one perfect separation of the adjacent pressure tapes 20 and setting wheels 18 is achieved, to which the trapezoidal shape contributes.
  • the result is a printing unit, especially with relative large print types that are easy to use and characterized by simple manufacturing.

Description

Die Erfindung bezieht sich auf ein Druckwerk gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a printing unit according to the preamble of claim 1.

Derartige Druckwerke finden insbesondere in Preisauszeichnungsgeräten und Handstempeln Verwendung. In ihrem grundsätzlichen Aufbau bestehen sie aus mehreren Druckbändern- oder -rädern, die mittels eines Einstellknopfes manuell verstellbar sind, so daß auswählbare Drucktypen in die Druckposition verbracht werden können. Nach dem Einfärben der sich in der Druckposition befindenden Drucktypen mit Tinte, was in der Regel durch eine Farbrolle oder ein Farbkissen erfolgt, kann ein Aufdruck auf einem Gegenstand - insbesondere ein Preisetikett - aufgedruckt werden. Ein derartiges Bänderdruckwerk ist beispielsweise aus der EP 153651 A bekannt geworden.Such printing units are found in particular in price labeling devices and hand stamping use. In its basic They consist of several pressure belts or wheels, which are manually adjustable by means of an adjustment button, so that selectable print types are placed in the print position can. After inking up in the printing position printing types with ink, which is usually indicated by a Ink roller or ink pad can be printed on an item - especially a price label - printed on it become. Such a ribbon printing unit is, for example, from EP 153651 A became known.

Falls relativ breite Druckbänder Verwendung finden, die zum Abdrucken größerer Schriftzeichen oder Ziffern dienen, kann sich die wechselseitige Reibung benachbarter Druckbänder nachteilig bemerkbar machen. Wird der einem bestimmten Druckband zugeordnete Einstellknopf verdreht, übt das benachbarte Druckband (oder die benachbarten Druckbänder, wenn der Einstellknopf nicht einem der beiden äußeren Druckbänder des Druckwerks zugeordnet ist) eine gewisse Reibungs- und somit Bremskraft auf das Druckband aus, das gerade verstellt wird. Diese Bremskraft kann zur Folge haben, daß sich das benachbarte Druckband unerwünschterweise ebenfalls mit verstellt, oder daß die Verstellung des einzustellenden Druckbandes erschwert ist, wenn das benachbarte Druckband (durch einen geeigneten Mechanismus) hinreichend arretiert ist.If relatively wide printing tapes are used for printing larger characters or numbers can serve the mutual friction of adjacent pressure tapes disadvantageous to make noticable. Is the assigned to a specific print ribbon Adjusting the knob rotates, the neighboring pressure band exercises (or the neighboring print tapes if the adjustment knob not assigned to one of the two outer printing bands of the printing unit is) a certain friction and therefore braking force on the Printing tape that is currently being adjusted. This braking force can have the consequence that the adjacent print ribbon undesirably also adjusted with, or that the adjustment of the pressure band to be set is difficult if the adjacent The print ribbon is adequately locked (by a suitable mechanism) is.

In der DE 2604745 A ist ein Handstempel offenbart, bei dem zwischen benachbarten Druckbändern Zwischenscheiben eingefügt sind, die einen Abstand zwischen jeweils zwei Druckbändern definieren.DE 2604745 A discloses a hand stamp in which between Adjacent washers inserted between adjacent pressure tapes are that define a distance between two printing tapes.

In der als gattungsbildend angesehenen US 4334470 wird ein Druckwerk zum Bedrucken von Etiketten beschrieben, in dem zwischen den jeweiligen Einstellrädern ebenfalls Abstandsscheiben zwischen benachbarten Druckbändern eingefügt sind.In US 4334470, considered to be generic, a Printing unit for printing labels described in the between the respective dials also spacers are inserted between adjacent print ribbons.

Als nachteilig ist dabei anzusehen, daß die Montage der Druckwerke relativ komplex ist. Ein gleichzeitiges Einlegen aller Druckbänder in das Druckwerk ist nicht denkbar, da zwischen jeweils zwei Druckbänder eine Abstandsscheibe einzulegen ist, so daß eine Fertigung nur manuell oder durch aufwendige Automaten möglich ist. Die Druckwerke sind somit durch fertigungstechnische Probleme relativ teuer.A disadvantage is that the assembly of the printing units is relatively complex. A simultaneous insertion of all Printing tapes in the printing unit is not conceivable, since between each two spacers a spacer is to be inserted, see above that a production only manually or through complex machines is possible. The printing units are thus due to manufacturing technology Problems relatively expensive.

Die Aufgabe der vorliegenden Erfindung besteht darin, ein Druckwerk zu schaffen, dessen Druckbänder leicht einstellbar sind, und das einfach und preiswert herstellbar ist.The object of the present invention is a To create printing unit, the printing ribbons easily adjustable are, and that is easy and inexpensive to manufacture.

Erfindungsgemäß wird die Aufgabe bei einem Druckwerk mit einem Gehäuse, mehreren im Gehäuse nebeneinander angeordneten Typenträgern, die einzeln verstellbar sind und Drucktypen tragen, und mindestens einem, zwischen zwei benachbarten Typenträgern positionierbaren Distanzelement dadurch gelöst, daß das Distanzelement zwischen einer ersten Position, in der es nicht zwischen den Typenträgern positioniert ist, und einer zweiten Position, in der es zwischen den Typenträgern positioniert ist, bewegbar ist.According to the invention in a printing unit with a Housing, several type carriers arranged side by side in the housing, which are individually adjustable and have print types, and at least one between two adjacent type carriers positionable spacer solved in that the spacer between a first position in which it is not positioned between the type carriers, and a second Position in which it is positioned between the type carriers, is movable.

Der Kerngedanke besteht darin, das Distanzelement bewegbar, insbesondere verschwenkbar oder auch verschiebbar, im Gehäuse des Druckwerks anzubringen. Bei der Fertigung können dann zunächst alle Typenträger gemeinsam in das Gehäuse eingebracht werden, ohne daß das (wenigstens eine) Distanzelement zwischen die Typenträger einzulegen oder -bringen wäre. Nachdem die Typenträger montiert sind, wird das Distanzelement aus seiner ersten Position (Ruheposition, in der die Montage der Typenträger nicht behindert wird) in seine zweite Position (Arbeitsposition) verbracht, in der es zwischen zwei benachbarten Typenträgern eingreift, und in der es aufgabengemäß die Reibung zwischen den benachbarten Typenträgern durch Herstellen des notwendigen Abstandes zwischen ihnen reduziert.The main idea is to make the spacer movable, in particular pivotable or also displaceable, in the housing the printing unit. When manufacturing, you can then first all type carriers inserted into the housing together without the (at least one) spacer between the type holder would be inserted or brought. After the type holder are mounted, the spacer is from its first Position (rest position in which the assembly of the type carrier is not hindered) in his second position (working position) spent in the it between two neighboring type bearers intervenes, and in which it is assigned the friction between the neighboring type holders by producing the necessary Distance between them is reduced.

Die Vorteile der Erfindung bestehen vornehmlich darin, daß die Reibung zwischen benachbarten Typenträgern gegenüber einem Druckwerk ohne Distanzelemente vermindert ist, so daß die zum Einstellen der Typenträger erforderlichen Kräfte ebenfalls reduziert sind. Dabei ist der Fertigungsaufwand gegenüber dem Stand der Technik, in dem Zwischenscheiben zwischen die Typenträger einzulegen sind, wesentlich geringer.The advantages of the invention are primarily that Friction between adjacent type carriers against one Printing unit without spacers is reduced, so that the Adjusting the type carrier required forces also reduced are. The manufacturing effort is compared to that State of the art, in the washers between the type carriers are much less.

Insbesondere wird empfohlen, das Distanzelement formschlüssig auf einer verdrehbaren Achse zu befestigen, so daß es durch Drehung der Achse zwischen seiner ersten und zweiten Position verschwenkbar ist. Eine derartige Achse ist besonders vorteilhaft, wenn mehrere Distanzelemente im Abstand voneinander auf einer gemeinsamen Achse angeordnet sind, und jedes Distanzelement durch Drehung der Achse jeweils in eine zweite Position verbringbar ist, in der es zwischen zwei benachbarten Typenträgern angeordnet ist. Somit können mehrere Distanzelemente gleichzeitig in ihre zweite (Arbeits-) Position verbracht werden, was den Fertigungsaufwand bei Druckwerken mit mehr als zwei Typenträgern reduziert.In particular, it is recommended that the spacer be form-fitting to attach on a rotatable axis, so that it through Rotation of the axis between its first and second position is pivotable. Such an axis is particularly advantageous if several spacing elements are spaced apart a common axis are arranged, and each spacer by rotating the axis to a second position can be spent in between two neighboring type holders is arranged. This allows multiple spacer elements are simultaneously placed in their second (work) position, what the manufacturing effort for printing units with more than reduced two type carriers.

Die Typenträger können im speziellen Druckbänder sein, die koaxial angeordnete Einstellräder wenigstens teilweise umschlingen. In diesem Fall ist vorgeschlagen, daß das Distanzelement in der Nähe der Einstellräder angeordnet ist und vorzugsweise zusätzlich auch zwischen benachbarte Einstellräder eingreift. Ein Vorteil liegt hierbei darin, daß auch die Reibung zwischen den benachbarten Einstellrädern beim Einstellvorgang vermindert wird, so daß eine leichtere Verstellbarkeit die vorteilhafte Folge ist. Anzumerken ist, daß im Rahmen des erfindungsgemäßen Gedankens auch eine Verwendung von Rädern als Typenträger denkbar ist; dann würde das Distanzelement zwischen benachbarten Druck- oder Einstellrädern eingreifen.The type carriers can be special, the coaxial printing tapes Wrap arranged adjustment wheels at least partially. In this case it is proposed that the spacer is arranged in the vicinity of the setting wheels and preferably also engages between adjacent dials. An advantage here is that the friction between the neighboring dials during the setting process is, so that easier adjustability is advantageous Episode is. It should be noted that in the context of the invention It is also conceivable to use wheels as type carriers is; then the spacer would be between neighboring ones Engage pressure or setting wheels.

Bei der Fertigung des Druckwerks sind zwei Alternativen möglich:Two alternatives are possible when manufacturing the printing unit:

Zum einen kann zunächst das Einbringen der Typenträger in das Gehäuse erfolgen und danach das Einbringen (wenigstens) eines Distanzelements, wobei das Distanzelement zunächst in einer ersten Position, in der es nicht zwischen den Typenträgern positioniert ist, im Gehäuse montiert wird, und das Distanzelement dann in eine zweite Position, in der es zwischen den Typenträgern positioniert ist, bewegt wird.First, the introduction of the type carrier in the Housing and then inserting (at least) one Spacer element, the spacer element initially in a first Position in which it is not positioned between the type holders is mounted in the housing, and the spacer then in a second position, in between the type carriers is positioned, is moved.

Zum anderen kann zunächst das Einbringen (zumindest) eines Distanzelements in das Gehäuse erfolgen und danach das Einbringen der Typenträger, wobei das Distanzelement zunächst in einer ersten Position, in der es das Einbringen der Typenträgern nicht blockiert, im Gehäuse montiert wird, und das Distanzelement nach dem Einbringen der Typenträger in eine zweite Position, in der es zwischen den Typenträgern positioniert ist, bewegt wird. On the other hand, the introduction (at least) of a spacer element into the housing and then the insertion the type holder, the spacer first in a first Position in which there is no insertion of the type carriers blocked, mounted in the housing, and the spacer after inserting the type holder in a second position, in which it is positioned between the type carriers.

Im folgenden wird eine Ausführungsform der Erfindung anhand der Zeichnungen näher erläutert. Sie zeigen in schematischer Darstellung in

  • Figur 1: ein erfindungsgemäßes Druckwerk in einem Schnitt längs der Linie A-A von Figur 2;
  • Figur 2: das Druckwerk der Figur 1 in einem Schnitt längs der Linie B-B von Figur 1;
  • Figur 3: eine Ansicht mehrerer, auf einer gemeinsamen Achse montierter Distanzelemente; und
  • Figur 4: eine Ansicht eines Distanzelements.
  • An embodiment of the invention is explained in more detail below with reference to the drawings. They show a schematic representation in
  • Figure 1: an inventive printing unit in a section along the line AA of Figure 2;
  • Figure 2: the printing unit of Figure 1 in a section along the line BB of Figure 1;
  • Figure 3 is a view of several spacer elements mounted on a common axis; and
  • Figure 4: a view of a spacer.
  • Das in Figur 1 dargestellte Druckwerk 10 enthält ein aus zwei Gehäusehälften 12 und 14 zusammengesetztes Druckwerksgehäuse, in dem mehrere parallel angeordnete, um Einstellräder 16 und druckbereichsnahe Umlenkräder 18 herumgeführte Druckbänder 20 untergebracht sind. Das Druckwerk 10 ist insbesondere zur Verwendung in Handetikettiergeräten vorgesehen. Die Druckbänder 20 sind in Figur 1 aus Gründen der Übersichtlichkeit nicht mit eingezeichnet, aber in Figur 2 gut erkennbar. Die Druckbänder 20 tragen auf ihrer Außenumfangsfläche abwechselnd Drucktypen 22 und Anzeigetypen 24. Die Zuordnung der Drucktypen 22 zu den Anzeigetypen 24 ist so vorgenommen, daß jeweils Drucktypen 22, die sich gerade in der Druckstellung an einem Umlenkrad 18 befinden, und Anzeigetypen 24, die durch ein an der Gehäuseoberseite angeordnetes Fenster 26 sichtbar sind, jeweils die gleiche Zahl, den gleichen Buchstaben oder dergleichen darstellen. Das bedeutet, daß an der Gehäuseoberseite durch das Fenster 26 hindurch jeweils zu erkennen ist, welches Zeichen mit den unten an der Umlenkkante befindlichen Drucktypen 22 auf einen Aufzeichnungsträger gedruckt werden kann.The printing unit 10 shown in FIG. 1 contains one out of two Housing halves 12 and 14 composite printing unit housing, in which several arranged in parallel to adjustment wheels 16 and Deflection wheels 18 guided around the pressure range 20 are accommodated. The printing unit 10 is in particular for use provided in hand labeling devices. The print ribbons 20 are not included in Figure 1 for reasons of clarity shown, but clearly visible in Figure 2. The printing tapes 20 alternately carry printing types on their outer peripheral surface 22 and display types 24. The assignment of print types 22 to the Display types 24 are made such that print types 22, which are currently in the printing position on a deflection wheel 18, and display types 24, which are indicated by a on the top of the housing arranged window 26 are visible, in each case the same Number, the same letter or the like. This means that through the window 26 on the top of the housing through it can be seen which character with the below print types 22 located on the deflection edge onto a recording medium can be printed.

    Wie bereits erwähnt, sind die Druckbänder 20 um Einstellräder 16 herumgeführt, die auf einer Hülse 28 drehbar gelagert sind. Die Schnittzeichnung von Figur 2 zeigt, daß in der Hülse 28 drei Schlitze angebracht sind, die an dem in Figur 1 rechts liegenden Hülsenende offen sind. Durch diese Schlitze greifen Zähne 32,34,36 hindurch, die an einer Einstellwelle 42 angebracht sind. Die Einstellwelle 42 ist in einer Lagerdurchführung 44 in der Gehäusehälfte 14 verschiebbar gelagert. Durch Verschieben der Einstellwelle 42 in axialer Richtung kann diese Welle durch Eingriff der Zähne 32,34,36 in in entsprechende Ausnehmungen 46 in den Nabenbereichen der Einstellräder 16 mit diesen in eine Antriebsverbindung gebracht werden. In Figur 2 ist der Eingriff des Zahnes 36 in eine der Ausnehmungen 46 des Einstellrades 16 zu erkennen.As previously mentioned, the print bands 20 are around dials 16 guided around, which are rotatably mounted on a sleeve 28. The sectional drawing of Figure 2 shows that in the sleeve 28th three slots are attached to the right in Figure 1 lying sleeve ends are open. Reach through these slots Teeth 32,34,36 through which are attached to an adjusting shaft 42 are. The adjusting shaft 42 is in a bushing 44 slidably mounted in the housing half 14. By Moving the setting shaft 42 in the axial direction can this Shaft by engaging teeth 32,34,36 in corresponding Recesses 46 in the hub areas of the dials 16 with these are brought into a drive connection. In Figure 2 is the engagement of the tooth 36 in one of the recesses 46 of the Setting wheel 16 to recognize.

    An dem aus dem Gehäuse herausragenden Ende der Einstellwelle 42 ist ein Betätigungsknopf 48 angebracht, mit dessen Hilfe die Einstellwelle 42 einerseits axial verschoben und andererseits gedreht werden kann. Durch die Axialverschiebung der Einstellwelle 42 werden die an ihr angebrachten Zähne 36 zunächst mit den Ausnehmungen 46 eines zu verstellenden Einstellrades 16 in Eingriff gebracht, und durch das Drehen der Einstellwelle 42 wird dann das um seinen Außenumfang herumgeführte Druckband 20 so lange bewegt, bis sich eine gewünschte Drucktype 22 in Druckposition unterhalb des Umlenkrades 18 befindet. Wie bereits erwähnt wurde, kann die jeweilige Position der Drucktypen 22 durch das oben am Gehäuse angebrachte Fenster 26 kontrolliert werden. Zur Erzielung einer Antriebsverbindung zwischen den Druckbändern 20 und den Einstellrädern 16 weisen die Druckbänder 20 an ihrer Innenfläche Zähne 50 auf, die in Ausnehmungen 52 in den Außenumfangsflächen der Einstellräder 16 eingreifen.At the end of the adjusting shaft 42 protruding from the housing is an operating button 48 attached, with the help of the Adjustment shaft 42 axially shifted on the one hand and on the other hand can be rotated. Due to the axial displacement of the adjusting shaft 42 are the teeth 36 attached to it initially with the recesses 46 of an adjusting wheel 16 to be adjusted Engaged, and by rotating the adjusting shaft 42nd then, the printing tape 20 passed around its outer circumference until a desired print type 22 in Printing position is located below the deflection wheel 18. As before The respective position of the print types can be mentioned 22 checked through the window 26 attached to the top of the housing become. To achieve a drive connection between the pressure bands 20 and the setting wheels 16 have the pressure bands 20 teeth 50 on their inner surface, which in recesses 52 engage in the outer peripheral surfaces of the dials 16.

    Zur Erzielung einer genauen Ausrichtung der Ebene der Zähne 32,34,36 auf die Ebene des jeweils zu verstellenden Einstellrades 16 ist ein Rastmechanismus vorgesehen, der dafür sorgt, daß die Einstellwelle 42 bei ihrer Axialverstellung jeweils in einer für die Bedienungsperson deutlich spürbaren Weise in Positionen einrastet, in denen eine eindeutige Antriebsverbindung mit einem zu verstellenden Einstellrad 16 hergestellt ist. Dieser Rastmechanismus umfaßt einen an der Hülse 28 angebrachten Rastfinger 54, der an der Hülseninnenfläche radial nach innen vorsteht und in Rastausnehmungen 56 eingreift, die in einem Bereich der Außenumfangsfläche der Einstellwelle 42 eingebracht sind. Für jedes der auf der Hülse 28 gelagerten Einstellräder 16 ist eine Rastausnehmung 56 vorgesehen. Wenn in der in Figur 1 dargestellten Anordnung der Einzelteile, in der die Einstellwelle 42 mit dem am weitesten links liegenden Einstellrad 16 in Eingriff steht, die Einstellwelle 42 nach rechts bewegt wird, damit sie beispielsweise mit dem nächsten Einstellrad 16 in Eingriff kommt, muß zunächst die vom Rastfinger 54 auf die Einstellwelle 42 ausgeübte Kraft überwunden werden, wenn er aus der zugehörigen Rastausnehmung 56 heraus in der Darstellung von Figur 1 nach oben bewegt wird; anschließend kann er dann in die nächste Rastausnehmung 56 einfallen, was genau dann eintritt, wenn die Einstellwelle 42 mit dem zweiten Einstellrad 16 von links in Eingriff steht.To achieve a precise alignment of the plane of the teeth 32,34,36 on the level of the respective setting wheel 16 a locking mechanism is provided, which ensures that the adjusting shaft 42 in their axial adjustment in one clearly noticeable for the operator in positions engages in a clear drive connection is made with an adjusting wheel 16 to be adjusted. This Latching mechanism includes a sleeve 28 attached Locking finger 54, which is on the inner surface of the sleeve radially inwards protrudes and engages in recesses 56 which are in one area introduced the outer peripheral surface of the adjusting shaft 42 are. For each of the setting wheels mounted on the sleeve 28 16, a locking recess 56 is provided. If in the in figure 1 illustrated arrangement of the items in which the adjusting shaft 42 with the left-most dial 16 in Is engaged, the adjusting shaft 42 is moved to the right, so that, for example, with the next dial 16 in Intervention comes, must first of all from the locking finger 54 on the setting shaft 42 exercised force can be overcome when it is out the associated locking recess 56 out in the representation of Figure 1 is moved upwards; then he can go to the next catch recess 56 occur, which occurs exactly when the setting shaft 42 with the second setting wheel 16 from is engaged on the left.

    Wie aus Figur 1 hervorgeht, erstreckt sich die Einstellwelle 42 in dem unmittelbar an dem Betätigungsknopf 48 angrenzenden Abschnitt durch eine Durchführung 44, die an einer konischen Kappe 64 angebracht ist. Diese Kappe 64 hat unter anderem die Aufgabe, für eine glatte Abdeckung des oberen Teils des Druckwerks 10 zu sorgen. Sie trägt aber auch einen das Fenster 26 umgebenden Rahmen 27, der der oben am Gehäuse verschiebbar gelagert ist; die Art der Lagerung geht aus Figur 2 deutlich hervor.As can be seen from FIG. 1, the adjusting shaft 42 extends in the section immediately adjacent to the operating button 48 through a bushing 44 on a conical cap 64 is attached. One of the functions of this cap 64 is for a smooth covering of the upper part of the printing unit 10 to worry about. However, it also carries a window 26 surrounding it Frame 27, which is slidably mounted on the top of the housing is; the type of storage is clearly shown in Figure 2.

    Ein weiterer Rastmechanismus für die Einstellräder 16 besteht aus einer Schraubenfeder 66, die parallel zur Längsachse der Einstellwelle 42 so am Umfang der Einstellräder 16 angeordnet ist, daß sie in die Ausnehmungen 52 am Umfang der Einstellräder 16 teilweise eindringt, was in Figur 2 deutlich zu erkennen ist. Damit die Einstellräder 16 verdreht werden können, obwohl die Schaubenfeder 66 gemäß Figur 2 in ihre Ausnehmungen eingreift, ist die Schraubenfeder auf einem elastisch nachgiebigen Polster 68 gelagert. Beim Verdrehen der Einstellräder 16 kann die Schraubenfeder 66 auf diese Weise ausweichen und sich dabei in das Polster 68 hineindrücken.Another locking mechanism for the dials 16 exists from a coil spring 66 which is parallel to the longitudinal axis of the Adjusting shaft 42 is arranged on the circumference of the adjusting wheels 16 is that they are in the recesses 52 on the circumference of the dials 16 partially penetrates, which can be clearly seen in Figure 2 is. So that the dials 16 can be rotated, though the screw spring 66 engages in its recesses according to FIG. 2, is the coil spring on an elastically compliant Pad 68 stored. When turning the setting wheels 16 can dodge the coil spring 66 in this way and thereby press into the cushion 68.

    Die Umlenkräder 18 sind auf einer Achse 70 drehbar gelagert, die sich parallel zur Längsachse der Einstellwelle 42 erstreckt. Mit den Umlenkrädern wirkt ein weiterer Rastmechanismus 74 zusammen, der in an sich bekannter Art und Weise das Umlenkrad 18 in einer Position arretiert, in dem sich ein Drucktyp 22 in Druckposition befindet.The deflection wheels 18 are rotatably mounted on an axis 70, which extends parallel to the longitudinal axis of the setting shaft 42. Another locking mechanism works with the deflection wheels 74 together, the deflection wheel in a manner known per se 18 locked in a position in which a printing type 22 is in the printing position.

    Die bisher beschriebenen Teile des Druckwerks sind im wesentlichen aus dem Stand der Technik bekannt, wie er in der EP 153651 A beschrieben ist, die durch Verweis hierein aufgenommen wird.The parts of the printing unit described so far are essentially known from the prior art, as described in EP 153651 A is described, which is hereby incorporated by reference.

    In Figur 2 ist erkennbar, daß ein zweites Druckwerk 72, das mit dem links in Figur 2 eingezeichneten Druckwerk im wesentlichen gleich ist, jedoch kleinere Drucktypen 22' aufweist, mit in das Gehäuse 10 eingebaut ist.In Figure 2 it can be seen that a second printing unit 72, which with the printing unit shown on the left in FIG. 2 essentially is the same, but has smaller print types 22 ', in the Housing 10 is installed.

    Erfindungsgemäß sind bei dem in Figur 2 links eingezeichneten Druckwerk Distanzelemente 80 vorgesehen, die zwischen zwei Positionen verstellbar sind:According to the invention are shown on the left in Figure 2 Printing unit spacer elements 80 are provided between two positions adjustable are:

    In der ersten Position sind die mit dem Bezugszeichen 80' gekennzeichneten Distanzelemente vertikal nach unten verschwenkt. In dieser Stellung greifen sie nicht zwischen Druckbändern 20 ein.In the first position, those identified by reference numeral 80 'are shown Spacers pivoted vertically downwards. In this position, they do not reach between pressure tapes 20 on.

    In der zweiten Position sind die Distanzelemente mit dem Bezugszeichen 80 gekennzeichnet. Sie liegen jeweils zwischen zwei benachbarten Druckbändern 20 und ihre Spitze ist zwischen den Einstellrädern 18 positioniert, über die die Druckbänder 20 verlaufen. In the second position are the spacer elements with the reference symbol 80 marked. They are between two adjacent printing tapes 20 and their tip is between the Positioning wheels 18 positioned over which the printing tapes 20th run.

    Die Distanzelemente 80 verhindern somit in der zweiten Position eine Berührung benachbarter Druckbänder 20, was die Reibung zwischen ihnen wesentlich reduziert und eine leichtere Einstellung der Druckbänder mit dem Betätigungsknopf 48 ermöglicht. Die erste Position ist in erster Linie aus fertigungstechnischen Gründen vorgesehen, da sie erlaubt, die Druckbänder 20 gleichzeitig, also (bezüglich der Figur 1 direkt nebeneinander) in das Gehäuse des Druckwerks 10 einzubringen. Anschließend werden die Distanzelemente aus der Position 80 durch Verschwenken in die Position 80' verbracht, in der sie den Abstand zwischen benachbarten Druckbändern definieren.The spacers 80 thus prevent in the second position a touch of adjacent pressure tapes 20, which increases the friction significantly reduced between them and an easier setting enables the pressure tapes with the actuating button 48. The first position is primarily from manufacturing Reasons, because it allows the printing tapes 20 at the same time, ie (directly next to each other with respect to FIG. 1) to bring into the housing of the printing unit 10. Subsequently the spacer elements from position 80 by pivoting in position 80 ', in which the distance between define adjacent print bands.

    Da das zweite Druckwerk 72 wesentlich kleinere Drucktypen 22' und somit dünnere Druckbänder 20' aufweist, ist die Reibung zwischen letzteren geringer, so daß auf Distanzelemente verzichtet werden kann.Since the second printing unit 72 has significantly smaller printing types 22 ' and thus has thinner pressure bands 20 ', is the friction less between the latter, so that spacer elements are dispensed with can be.

    Anhand der Figur 3 ist erkennbar, daß die Distanzelemente gemeinsam auf einer Achse 82 angeordnet sind und durch (zylindrische) Distanzhülsen 84 voneinander auf Abstand gehalten werden. Die Achse 82 ist, wie aus Figur 2 erkennbar ist, mit einem quadratischen Querschnitt versehen, während die Distanzelemente 80 mit einem Loch 86 mit zwei geraden Seitenflächen ausgestattet sind, so daß die Distanzelemente 80 im Ergebnis form- und drehmomentschlüssig auf der Achse 82 befestigt sind, da die Achse 82 sich durch das Loch 86 erstreckt. Die Distanzelemente 80 sind etwa rechteckig und weisen in der Nähe einer der kürzeren Seiten das Loch 86 auf. Nachdem die Achse 82 mit den Distanzelementen in die in Figur 1 eingezeichnete zweite Position, die mit dem Bezugszeichen 80 gekennzeichnet ist, verschwenkt ist, wird die Achse 82 im Gehäuse arretiert, was insbesondere durch Verschraubungen beider Achsenenden mit dem Gehäuse erfolgt.It can be seen from FIG. 3 that the spacer elements are common are arranged on an axis 82 and by (cylindrical) Spacers 84 are kept apart from each other. As can be seen from FIG. 2, the axis 82 has a provided square cross-section, while the spacer elements 80 equipped with a hole 86 with two straight side surfaces are so that the spacer elements 80 in the form and are torque-locked on the axis 82 because the Axis 82 extends through hole 86. The spacer elements 80 are roughly rectangular and point near one of the shorter ones Open hole 86. After the axis 82 with the spacers in the second position shown in FIG. 1, which is identified by the reference numeral 80, pivoted is, the axis 82 is locked in the housing, which in particular by screwing both axis ends to the housing he follows.

    Figur 4 zeigt die Ansicht eines Distanzelementes 80. Es ist in seinem dem Loch 86 gegenüberliegenden Endbereich trapezförmig geformt. Der Abstand von Loch 86 und der in Figur 4 links oben eingezeichneten Ecke ist etwas größer als der Abstand zwischen Loch 86 und der in Figur 4 links unten eingezeichneten Ecke des Distanzelements 80. Die Form des Distanzelementes 80 ist dabei so gewählt, daß eine Drehung im Druckwerk 10 zwischen der ersten und der zweiten Position möglich ist - deshalb ist es an seiner in Figur 4 rechts eingezeichneten, dem Loch 86 benachbarten Seite abgerundet, so daß keine Kollision mit der oberen Wand des Gehäuses des Druckwerks 10 eintritt - und daß eine einwandfreie Trennung der benachbarten Druckbänder 20 und Einstellräder 18 erzielt wird, wozu die Trapezform beiträgt.Figure 4 shows the view of a spacer element 80. It is in its end region opposite the hole 86 is trapezoidal shaped. The distance from hole 86 and that at the top left in FIG. 4 drawn corner is slightly larger than the distance between Hole 86 and the corner of the Spacer 80. The shape of the spacer 80 is chosen so that a rotation in the printing unit 10 between the first and the second position is possible - that's why it's on his drawn in on the right in Figure 4, the hole 86 adjacent Rounded side so that no collision with the top Wall of the housing of the printing unit 10 occurs - and that one perfect separation of the adjacent pressure tapes 20 and setting wheels 18 is achieved, to which the trapezoidal shape contributes.

    Im Ergebnis erhält man ein Druckwerk, insbesondere mit relativ großen Drucktypen, das sich durch Bedienungsfreundlichkeit und einfache Fertigung auszeichnet.The result is a printing unit, especially with relative large print types that are easy to use and characterized by simple manufacturing.

    Claims (9)

    1. A printing device (10) having a housing, several individually adjustable type carriers arranged adjacent to one another and bearing printing types (22), and at least one spacing element (80) capable of being positioned between two adjacent type carriers, characterized in that the spacing element (80) is movable between a first position in which it is not located between the type carriers and a second position in which it is located between the type carriers.
    2. The printing device according to claim 1, characterized in that the spacing element (80) is mounted so as to pivot.
    3. The printing device according to claim 1 or 2, characterized in that the spacing element (80) is positively mounted on a rotatable shaft (82)
    4. The printing device according to any one of the preceding claims, characterized in that several spacing elements (80) are arranged in spaced relationship to one another on a common axis (82) and that by rotating the shaft (82) the spacing elements (80) can be brought jointly into a second position in which the respective spacing element is located between two adjacent type carriers.
    5. The printing device according to any one of the preceding claims, characterized in that the type carriers are bands of print (20) at least partially wrapped around coaxial adjustment wheels (18), and that the spacing element (80) is arranged in the vicinity of the adjustment wheels (18) and engages in particular between adjacent adjustment wheels (18).
    6. The printing device according to claim 5, characterized in that the adjustment wheels (18) can be caused to engage with an axially displaceable adjustment shaft (42).
    7. A method for producing a printing device, comprising the following steps:
      producing a housing;
      introducing several adjacently arranged type carriers bearing printing types (22) into the housing; and
      introducing a spacing element (80) into the housing;
      characterized in that the spacing element (80) is first of all mounted in the housing in a first position in which it is not located between the type carriers, and that the spacing element (80) is moved into a second position in which it is located between the type carriers.
    8. A method for producing a printing device, comprising the following steps:
      producing a housing;
      introducing a spacing element (80) into the housing; and
      introducing several adjacently arranged type carriers bearing printing types into the housing;
      characterized in that the spacing element (80) is first of all mounted in the housing in a first position in which it does not block the introduction of the type carriers, and that the spacing element (80) is moved after introduction of the type carriers into a second position in which it is located between the type carriers.
    9. The method according to claim 7 or 8, characterized in that several spacing elements (80) are positively arranged in spaced relationship to one another on a common shaft (82) and that each spacing element (80) is brought by rotation of the shaft (82) into a respective second position in which it is arranged between two adjacent type carriers.
    EP99110853A 1998-10-05 1999-06-07 Printing device Expired - Lifetime EP0992357B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19845675 1998-10-05
    DE19845675A DE19845675A1 (en) 1998-10-05 1998-10-05 Printing unit

    Publications (2)

    Publication Number Publication Date
    EP0992357A1 EP0992357A1 (en) 2000-04-12
    EP0992357B1 true EP0992357B1 (en) 2003-03-19

    Family

    ID=7883355

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99110853A Expired - Lifetime EP0992357B1 (en) 1998-10-05 1999-06-07 Printing device

    Country Status (2)

    Country Link
    EP (1) EP0992357B1 (en)
    DE (2) DE19845675A1 (en)

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE60137024D1 (en) * 2000-10-18 2009-01-29 Sato Kk PRINT LETTER SELECTOR FOR PRINTING A FINISHED TAPE IN A PRINTER AND PRINTER FOR PRINTING A FINISHED TAPE

    Family Cites Families (7)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR643225A (en) * 1927-10-29 1928-09-12 Stamping device
    FR2256645A5 (en) * 1973-12-28 1975-07-25 Testut Aequitas Label printing machine - has wheels with characters in separate groups each printing in line
    US4033257A (en) * 1975-02-10 1977-07-05 Takaji Funahashi Rotary date stamp
    US4334470A (en) * 1977-05-31 1982-06-15 Monarch Marking Systems, Inc. Print head with endless bands and spacer
    GB1602254A (en) * 1978-05-05 1981-11-11 Monarch Marking Systems Inc Print head
    DE3406822C1 (en) * 1984-02-24 1985-11-28 Esselte Pendaflex Corp., Garden City, N.Y. Printing unit
    DK0867303T3 (en) * 1996-08-08 2001-06-18 Sato Kk Printer

    Also Published As

    Publication number Publication date
    DE59904602D1 (en) 2003-04-24
    DE19845675A1 (en) 2000-04-06
    EP0992357A1 (en) 2000-04-12

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