EP0368219B1 - Tachograph with time-dependently driven interaction means for diagram discs serving as record carriers - Google Patents

Tachograph with time-dependently driven interaction means for diagram discs serving as record carriers Download PDF

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Publication number
EP0368219B1
EP0368219B1 EP89120530A EP89120530A EP0368219B1 EP 0368219 B1 EP0368219 B1 EP 0368219B1 EP 89120530 A EP89120530 A EP 89120530A EP 89120530 A EP89120530 A EP 89120530A EP 0368219 B1 EP0368219 B1 EP 0368219B1
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EP
European Patent Office
Prior art keywords
tachograph
entrainer
shaft
adjusting
chart
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
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EP89120530A
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German (de)
French (fr)
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EP0368219A3 (en
EP0368219A2 (en
Inventor
Norbert Dipl.-Ing. Knauer
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Digital Kienzle Computersysteme GmbH and Co KG
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Mannesmann Kienzle GmbH
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Publication of EP0368219A2 publication Critical patent/EP0368219A2/en
Publication of EP0368219A3 publication Critical patent/EP0368219A3/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/12—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time in graphical form

Definitions

  • the invention relates to a tachograph with driving means driven in a time-dependent manner for chart disks serving as recording media, with a position indicator assigned to the chart taking means and with an actuating device which can be actuated from the outside and which allows the chart taking means to be directed to the current time.
  • the recordings are made in tachographs in such a way that they can be assigned to the current time. Accordingly, the chart drive means must be capable of being directed to the current time on the one hand, and on the other hand, for a time-correct recording on the chart drive means which allows only a very specific position of a chart with respect to the registration members.
  • the actuator for straightening the drive is generally only accessible when the lid is open.
  • the resiliently mounted registration members produce coatings that are not typical for registration on an inserted diagram disc, or the diagram disc is cut at the edge or otherwise marked by a suitable device when the cover is closed.
  • the object on which the present invention is based is therefore to be taken in the case of tachographs with actuating elements which can be actuated from the outside for straightening the diagram disk driving means, in order to avoid manipulation, in such a way that straightening can only be carried out if such a tachograph is not ready to record.
  • the solution to this problem provides that the actuating device is coupled to a drive device and that, in the absence of a diagram disk, the actuating device is brought into engagement with the drive driving the diagram disk driving means by means of the drive device.
  • the solution found offers the advantage that, with relatively little effort and using the means available in the tachograph, pretending, for example, that compliance with breaks is made absolutely impossible, in the event of manipulation continuous recording on the chart disks is interrupted. It can be provided that straightening is only possible if there is no chart in the tachograph in question. However, it is also conceivable that only the registration elements, which are arranged in tachographs, in which the diagram disks are inserted through a slot, can be raised and lowered anyway, are lifted from the registration level for the purpose of straightening the chart drive means. In this respect, the solution found is also applicable to tachographs with a hinged lid and facilitates the straightening process in these devices in that it can be carried out with the lid closed.
  • the position of the diagram disk driving means must be observable from the outside by means of a suitable position indicator.
  • tachographs are equipped with a conventional pointer time display which is coupled to the chart drive means.
  • digital time display means would also be conceivable, which, however, if they are also to serve as a position indicator for the chart drive means, would require complex scanning means.
  • position indicators that are not typical of the clock are also conceivable if, in contrast to the preferred exemplary embodiment, the tachograph in question only appears with a narrow front surface in the dashboard. In these cases, band displays or, provided that the achievable resolution is sufficient, a pointer display with a diagram disc revolving synchronously, i.e. in 24 hours revolving hands conceivable.
  • the tachograph according to FIGURE 1 is designed as an autonomous device, namely with a housing 1, a front window 2, which covers the display means visible in a window cutout 3 of the front wall 4 of the housing 1, with adjusting buttons 5 and 6 for selecting different types of working time as well as with Front-accessible input / output slots 7 and 8 for the chart disks to be used by the driver and front passenger as recording media.
  • Such a device permits flush-mounted installation and, as it were, a modular use in a dashboard, whereby on the one hand the housing 1 has to fit into an overall design of the dashboard in question and the front pane 2 can possibly extend continuously over several instrument modules, on the other hand, in particular with regard to the display means, the character of a conventional tachograph is preserved. That is, In the relatively large, round window section 3 of the housing 1 there is a dial 9 provided with a speed and time scale, pointers 10, 11, 12 for the speed and time display, window sections 13, 14 for the route display and the drive control, and display means 15 for the registration position (day or night) of the registration organs on the diagram disks intended for 24-hour circulation and provided with a corresponding time scale.
  • the display means 15 include what is not is designated in more detail, a disc that rotates in 24 hours and is provided with a day / night marking, an arrow indicating the direction of rotation assigned to it, and a fixed reading mark on the dial.
  • the assembly according to FIG. 2 which is shown largely free of components not essential to the invention, consists of a mounting plate 17, on which, for example, but not shown, the registration elements and their drive means are arranged.
  • the registration members reach through a slot 18 in the mounting plate 17 onto an inserted chart 19.
  • This is located in FIGURE 2 in a shaft 21 formed by the mounting plate 17 and a further plate 20 assigned to it, which serves as a registration document.
  • a suitable shaft extension to the shaft 21, which is a causes essentially right-angled deflection between the input slot 7 or 8 and the registration position of the chart according to FIGURE 2, so to speak, parallel to the display plane of the tachograph.
  • a control shaft 26 is mounted on the mounting plate 17, which is symbolized by the arrow P by means of a motor (not shown) and a suitable transmission, of which only the gears 27 and 28 are shown, and is driven separately by those generated when the diagram disks are entered or for the output of signals initiated from outside.
  • the rotary movement of the control shaft 26 effects, for example, the lifting and lowering of the registration members via a suitable gear connection, by means of a cam 29 bringing a transport roller driving the incoming or outgoing chart into rotation and via a control cam 30 a lifting and lowering of a transport roller on an axis 74 rotatably mounted arm 31, on which, what will be described in more detail, the diagram drive means and their gear connection to a drive motor 32 in one in DE-PS 36 43 739 and DE-PS 36 29 139 shown Way are stored.
  • the control shaft 26 also carries two slotted disks 33 and 34 of a light barrier 35 and a swash plate-like driver 36.
  • FIGURE 2 also shows, the pinion 37 of the drive motor 32, which is also assigned to the mounting plate 17, is in engagement with a gear 38 which is arranged coaxially with gears 39 and 40.
  • a first gear pair 41 which is mounted on the arm 31, engages with the one gear 39, while a crown gear 43 fastened on a transmission shaft 42 meshes with the other gear 40.
  • Further gear pairs 44, 45 and 46 which are mounted on the arm 31, to which a position securing device is assigned in the form of a pin / slot connection 72, form a geared connection to the chart disk driving means pointing against the chart disk 19 and their drive teeth 47 is designated.
  • a barrel 48 which is in engagement with the drive toothing 47 and in which a drag spring 49 is effective, is used in a manner known per se to compensate for play.
  • a gearwheel 52 which is in engagement with the worm 51, drives the minute tube 53 of the time display unit, while the hour tube 54, which is usually arranged coaxially with the minute tube 53, is formed on a gearwheel 55, which meshes with a gearwheel 56 rotating with the gearwheel 52.
  • the day / night display 15 which is assigned to a gear 57, is also driven.
  • a frame 58 which can be connected to the mounting plate 17 serves as a carrier for the gear mechanism of the time display system.
  • an actuating shaft 59 is provided which, on the one hand, can be coupled to the transmission shaft 42 of the time display unit by means of a slot tongue connection 60/61, and on the other hand both to the driver 36, which engages in a groove 62 in the actuating shaft 59, and is operatively connected to the actuator 16 via a gear connection.
  • a slot tongue connection 60/61 for this purpose, as can be seen in detail from FIGURE 3, on the actuating shaft 59, one end 63 of which is axially displaceably mounted in a bearing part 64 fastened on the mounting plate 17, a toothing 65 is formed, into which a control element guided in the housing 1 is formed connected crown gear 66 engages.
  • FIGURES 4 and 5 show the driver 36, which is formed in one piece, preferably as an injection molded part, and consists of a hub 67 and a circumferential collar 68. Between the collar 68 and the hub 67 there is a slot-shaped recess 69 provided, ie the collar 68 is only connected to the hub 67 via a narrow web 70.
  • the collar 68 is designed to extend obliquely to the hub axis in such a way that the driver 36 can perform the function of a swash plate, namely a swash plate which is resilient within a certain circumferential angle.
  • the bore designated 71 is designed such that it forms an interference fit with the control shaft 26.
  • the rotary movement of the control shaft 26 is in turn triggered, for example, by a signal for ejecting the diagram disk 19 or controlled when a diagram disk is input, for example by a light barrier.
  • the arrangement of the driver 36 on the control shaft 26 is selected such that in the coupling position of the control shaft 26 the part of the collar 68 opposite the web 70 engages in the actuating shaft 59. In this way, in the event that the coupling means 60, 61 are seated on one another between the actuating shaft 59 and the transmission shaft 42, in other words do not engage directly, the maximum suspension travel is provided on the driver 36.
  • the two shafts are then engaged when the adjusting member 16 is actuated as a result of the movement of the driver 36 the actuating shaft 59 acting bias automatically in the axial direction.
  • gear connection between the adjusting member 16 and the actuating shaft 59 must be designed such that it always remains in engagement during the axial movement of the actuating shaft 59 and by a suitable support of the actuator 16, z. B. is relieved of pressure on the bearing part 64.
  • actuating shaft 59 and the axis of the actuating member 16 can also be arranged in parallel and in such a case a spur gear connection allowing axial movement is to be provided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Description

Die Erfindung betrifft einen Fahrtschreiber mit zeitabhängig angetriebenen Mitnahmemitteln für als Aufzeichnungsträger dienende Diagrammscheiben, mit einer den Diagrammscheibenmitnahmemitteln zugeordneten Stellungsanzeige und mit einer von außen betätigbaren Stellvorrichtung, welche ein Richten der Diagrammscheibenmitnahmemittel auf die aktuelle Uhrzeit gestattet.The invention relates to a tachograph with driving means driven in a time-dependent manner for chart disks serving as recording media, with a position indicator assigned to the chart taking means and with an actuating device which can be actuated from the outside and which allows the chart taking means to be directed to the current time.

Bekanntlich erfolgen die Aufzeichnungen in Fahrtschreibern derart, daß sie der aktuellen Uhrzeit zugeordnet werden können. Dementsprechend müssen die Diagrammscheibenmitnahmemittel einerseits auf die aktuelle Uhrzeit richtbar, andererseits für eine nur eine ganz bestimmte Stellung einer Diagrammscheibe in bezug auf die Registrierorgane gestattende, uhrzeitrichtige Aufnahme auf den Diagrammscheibenmitnahmemitteln ausgebildet sein.As is known, the recordings are made in tachographs in such a way that they can be assigned to the current time. Accordingly, the chart drive means must be capable of being directed to the current time on the one hand, and on the other hand, for a time-correct recording on the chart drive means which allows only a very specific position of a chart with respect to the registration members.

Ein Richten der Diagrammscheibenmitnahmemittel ist trotz oder gerade wegen der verwendeten, an sich hochgenauen quarzgesteuerten Laufwerke in Fahrzeugen deshalb unvermeidlich, weil, beispielsweise infolge von Reparaturarbeiten, Spannungsausfälle vorkommen können und die betreffenden Laufwerke in einem Milieu mit extrem hohem, die Ganggenauigkeit beeinträchtigenden Störpegel eingesetzt sind. Ferner sind, abgesehen von einer Sommerzeit-/Winterzeit-Umstellung im Fernverkehr auch Zeitzonenüberschreitungen zu berücksichtigen.In spite of or precisely because of the high-precision quartz-controlled drives used in vehicles, straightening the chart drive means is unavoidable because, for example, as a result of repair work, power failures can occur and the drives in question are used in an environment with extremely high interference levels that impair accuracy. Furthermore, apart from a summer / winter time changeover in long-distance transport, time zone violations must also be taken into account.

Mit der Möglichkeit, die Stellung der Diagrammscheibenmitnahmemittel eines Fahrtschreibers verändern zu können, besteht andererseits die Gefahr von Manipulationen, insbesondere der Arbeitszeitaufzeichnungen, beispielsweise in Form von Pausenzeitdehnungen, die bei flüchtiger, visueller Betrachtung des Aufzeichnungsträgers, beispielsweise bei Verkehrskontrollen, nicht als solche erkannt werden. Auf diese Weise, d. h. durch Verdrehen der Diagrammscheibe in bezug auf die Registrierorgane, lassen sich die zulässigen Arbeitszeiten bzw. das Einhalten von Pausen entsprechend der gesetzlichen Arbeitszeitverordnung vortäuschen.On the other hand, with the possibility of being able to change the position of the chart record taking means of a tachograph, there is a risk of manipulation, in particular of the working time recordings, for example in the form of pause times which are not recognized as such when the recording medium is glanced visually, for example during traffic controls. In this way, ie by rotating the chart in relation to the registration bodies, the permissible working hours or the observance of breaks can be simulated in accordance with the statutory working time regulation.

Zunehmender Nutzungsgrad der Fahrzeuge und des fahrenden Personals einerseits und konsequente Überwachung der Einhaltung der Arbeitszeitvorschriften durch die Kontrollorgane andererseits fördern verständlicherweise die Manipulationsbereitschaft.On the one hand, increasing levels of utilization of vehicles and driving personnel and consistent monitoring of compliance with working time regulations by the control bodies, on the other hand, understandably encourage readiness to manipulate.

Bei Fahrtschreibern mit aufklappbarem Deckel, bei denen die Diagrammscheiben unmittelbar von Hand auf einen Zentrier- und Mitnahmedorn aufgesetzt werden, ist das Stellorgan für das Richten des Laufwerkes im allgemeinen erst zugänglich, wenn der Deckel geöffnet ist. Beim Schließen des Deckels erzeugen die federnd gelagerten Registrierorgane auf einer eingelegten Diagrammscheibe nicht registriertypische Anstriche, oder die Diagrammscheibe wird, wenn der Deckel geschlossen wird, durch eine geeignete Vorrichtung am Rand eingeschnitten oder in anderer Weise markiert. Durch diese Maßnahmen wird zwar ein Nachweis erbracht, daß der Deckel des Fahrtschreibers geöffnet worden ist und daß ein Richten des Laufwerkes hätte erfolgen können, ein Manipulieren der Arbeitszeitaufzeichnungen kann dadurch jedoch grundsätzlich nicht verhindert werden. Andererseits ist bei diesen Gerätetypen das Richten relativ umständlich, weil beim Richten keine unmittelbare Beobachtung der nur an der Frontseite des betreffenden Fahrtschreibers sichtbaren Zeitanzeige gegeben ist und somit zur Kontrolle des Richtvorgangs der Deckel mehrmals verschwenkt werden muß.In the case of tachographs with a hinged lid, in which the diagram disks are placed directly on a centering and driving mandrel by hand, the actuator for straightening the drive is generally only accessible when the lid is open. When the cover is closed, the resiliently mounted registration members produce coatings that are not typical for registration on an inserted diagram disc, or the diagram disc is cut at the edge or otherwise marked by a suitable device when the cover is closed. These measures provide evidence that the tachograph cover has been opened and that the drive could have been straightened, but manipulation of the working time records cannot be prevented. On the other hand, straightening is relatively cumbersome with these types of devices, because during straightening there is no direct observation of the time display that is only visible on the front of the tachograph in question and the lid must therefore be pivoted several times to check the straightening process.

Bei Fahrtschreibern, bei denen die Diagrammscheiben durch einen Schlitz eingegeben und selbsttätig in Registrierposition transportiert werden, ist eine derartige Situation nicht mehr gegeben, d. h. bei solchen Fahrtschreibern muß das Stellorgan zum Richten des Laufwerkes von außen zugänglich sein, wobei auf einfache Weise eine Nachweismöglichkeit für das Richten des Laufwerkes nicht realisierbar ist. Ferner ist es bei solchen Geräten, da die Diagrammscheibenmitnahmemittel bzw. die Diagrammscheiben und eine diesen zugeordnete gehäusefeste Markierung beim Richten nicht beobachtet werden können, zwingend erforderlich, die Stellung der Diagrammscheibenmitnahmemittel außerhalb des Gerätes sichtbar zu machen. Das heißt, es ist eine Richt- bzw. Stellungsanzeige erforderlich, die in herkömmlicher Weise beispielsweise vom Zeigerwerk einer Uhr, die mit dem die Diagrammscheibenmitnahmemittel antreibenden Laufwerk in getrieblicher Verbindung steht, gebildet sein kann.Such situations no longer exist in tachographs in which the graph disks are entered through a slot and are automatically transported in the registration position, i.e. in the case of such tachographs the actuator for straightening the drive must be accessible from the outside, with a simple way of proving that Straightening the drive is not feasible. Furthermore, it is the case with such devices that the diagram disk driving means or the diagram disks and a marking fixed to the housing and assigned to them cannot be observed during straightening, it is imperative to make the position of the diagram disk driving means visible outside the device. This means that a directional or position indicator is required, which can be formed in a conventional manner, for example by the clockwork of a clock, which is in geared connection with the drive that drives the diagram disk driving means.

Die Aufgabe, die der vorliegenden Erfindung zugrunde liegt, ist somit darin zu sehen, bei Fahrtschreibern mit von außen betätigbaren Stellorganen zum Richten der Diagrammscheibenmitnahmemittel, zur Vermeidung von Manipulationen Vorkehrungen zu treffen derart, daß ein Richten nur dann vorgenommen werden kann, wenn ein derartiger Fahrtschreiber nicht aufzeichnungsbereit ist.The object on which the present invention is based is therefore to be taken in the case of tachographs with actuating elements which can be actuated from the outside for straightening the diagram disk driving means, in order to avoid manipulation, in such a way that straightening can only be carried out if such a tachograph is not ready to record.

Die Lösung dieser Aufgabe sieht vor, daß die Stellvorrichtung mit einer Antriebseinrichtung gekoppelt ist und daß beim Nichtvorhandensein einer Diagrammscheibe die Stellvorrichtung mittels der Antriebseinrichtung in Eingriff mit dem die Diagrammscheibenmitnahmemittel antreibenden Laufwerk gebracht wird.The solution to this problem provides that the actuating device is coupled to a drive device and that, in the absence of a diagram disk, the actuating device is brought into engagement with the drive driving the diagram disk driving means by means of the drive device.

Ein bevorzugtes Ausführungsbeispiel beschreibt der Unteranspruch 2.A preferred embodiment is described in subclaim 2.

Weitere vorteilhafte Ausgestaltungen sind in den Unteransprüchen 3 bis 7 dargestellt.Further advantageous refinements are presented in subclaims 3 to 7.

Die gefundene Lösung bietet den Vorteil, daß mit relativ geringem Aufwand und unter Verwendung der im Fahrtschreiber bereit vorhandenen Mittel ein Vortäuschen beispielsweise der vorschriftsmäßigen Einhaltung von Pausen absolut unmöglich gemacht wird, indem im Falle einer Manipulation die kontinuierliche Aufzeichnung auf den Diagrammscheiben unterbrochen ist. Es kann vorgesehen sein, daß ein Richten nur dann möglich ist, wenn sich keine Diagrammscheibe in dem betreffenden Fahrtschreiber befindet. Es ist aber auch denkbar, daß für das Richten der Diagrammscheibenmitnahmemittel lediglich die Registrierorgane, die bei Fahrtschreibern, bei denen die Diagrammscheiben durch einen Schlitz eingegeben werden, ohnehin heb- und senkbar angeordnet sind, von der Registrierebene abgehoben werden. Insofern ist die gefundene Lösung auch bei Fahrtschreibern mit aufklappbarem Deckel anwendbar und erleichtert bei diesen Geräten den Richtvorgang dadurch, daß er bei geschlossenem Deckel vorgenommen werden kann.The solution found offers the advantage that, with relatively little effort and using the means available in the tachograph, pretending, for example, that compliance with breaks is made absolutely impossible, in the event of manipulation continuous recording on the chart disks is interrupted. It can be provided that straightening is only possible if there is no chart in the tachograph in question. However, it is also conceivable that only the registration elements, which are arranged in tachographs, in which the diagram disks are inserted through a slot, can be raised and lowered anyway, are lifted from the registration level for the purpose of straightening the chart drive means. In this respect, the solution found is also applicable to tachographs with a hinged lid and facilitates the straightening process in these devices in that it can be carried out with the lid closed.

Der Vollständigkeit halber sei noch erwähnt, daß die Lage der Diagrammscheibenmitnahmemittel durch eine geeignete Stellungsanzeige von außen beobachtbar sein muß. Im allgemeinen sind Fahrtschreiber mit einer üblichen und mit den Diagrammscheibenmitnahmemitteln gekoppelten Zeigerzeitanzeige ausgestattet. Denkbar wären jedoch auch digitale Zeitanzeigemittel, die jedoch, wenn sie zusätzlich als Stellungsanzeige für die Diagrammscheibenmitnahmemittel dienen sollen, aufwendige Abtastmittel erforderlich machen. Denkbar sind jedoch auch nicht uhrtypische Stellungsanzeigen insbesondere dann, wenn im Gegensatz zu dem bevorzugten Ausführungsbeispiel der betreffende Fahrtschreiber lediglich mit einer schmalen Frontfläche im Armaturenbrett in Erscheinung tritt. In diesen Fällen sind Bandanzeigen oder unter der Voraussetzung, daß die erzielbare Auflösung ausreicht, eine Zeigeranzeige mit einem diagrammscheibensynchron umlaufenden, d.h. in 24 Std. umlaufenden Zeiger denkbar.For the sake of completeness, it should also be mentioned that the position of the diagram disk driving means must be observable from the outside by means of a suitable position indicator. In general, tachographs are equipped with a conventional pointer time display which is coupled to the chart drive means. However, digital time display means would also be conceivable, which, however, if they are also to serve as a position indicator for the chart drive means, would require complex scanning means. However, position indicators that are not typical of the clock are also conceivable if, in contrast to the preferred exemplary embodiment, the tachograph in question only appears with a narrow front surface in the dashboard. In these cases, band displays or, provided that the achievable resolution is sufficient, a pointer display with a diagram disc revolving synchronously, i.e. in 24 hours revolving hands conceivable.

Im folgenden sei das bevorzugte Ausführungsbeispiel der Erfindung anhand der Zeichnungen näher erläutert. Es zeigen

  • FIGUR 1 eine Frontansicht eines Fahrtschreibers, bei welchem die Diagrammscheiben durch Schlitze ein- und ausgegeben werden,
  • FIGUR 2 eine Draufsicht einer in den Fahrtschreiber gemäß FIGUR 1 einsetzbaren Baugruppe mit den die Erfindung bestimmenden Bauteilen,
  • FIGUR 3 eine Seitenansicht der erfindungswesentlichen Bauteile,
  • FIGUR 4 eine Draufsicht des auf der Steuerwelle angeordneten Mitnehmers,
  • FIGUR 5 eine Seitenansicht des Mitnehmers gemäß FIGUR 4.
The preferred embodiment of the invention is explained in more detail below with reference to the drawings. Show it
  • FIGURE 1 is a front view of a tachograph, in which the graph disks are input and output through slots,
  • 2 shows a plan view of an assembly which can be used in the tachograph according to FIG. 1 and has the components which determine the invention,
  • 3 shows a side view of the components essential to the invention,
  • 4 shows a plan view of the driver arranged on the control shaft,
  • 5 shows a side view of the driver according to FIG. 4.

Der Fahrtschreiber gemäß FIGUR 1 ist als autonomes Gerät ausgebildet, und zwar mit einem Gehäuse 1, einer Frontscheibe 2, welche die in einem Fensterausschnitt 3 der Frontwand 4 des Gehäuses 1 sichtbaren Anzeigemittel abdeckt, mit Einstellknöpfen 5 und 6 zum fahrerbezogenen Anwählen verschiedener Arbeitszeitarten sowie mit frontseitig zugänglichen Ein-/Ausgabeschlitzen 7 und 8 für die von Fahrer und Beifahrer als Aufzeichnungsträger zu benutzenden Diagrammscheiben.The tachograph according to FIGURE 1 is designed as an autonomous device, namely with a housing 1, a front window 2, which covers the display means visible in a window cutout 3 of the front wall 4 of the housing 1, with adjusting buttons 5 and 6 for selecting different types of working time as well as with Front-accessible input / output slots 7 and 8 for the chart disks to be used by the driver and front passenger as recording media.

Ein solches Gerät gestattet einen frontflächenbündigen Einbau und eine sozusagen bausteinartige Verwendung in einem Armaturenbrett, wobei einerseits das Gehäuse 1 sich in ein Gesamtdesign des betreffenden Armaturenbretts einfügen muß und sich die Frontscheibe 2 evtl. durchgehend über mehrere Instrumentenbausteine erstrecken kann, andererseits, insbesondere im Hinblick auf die Anzeigemittel, der Charakter eines herkömmlichen Fahrtschreibers gewahrt ist. D. h. in dem relativ großen, runden Fensterausschnitt 3 des Gehäuses 1 ist ein mit einer Geschwindigkeits- und einer Zeitskale versehenes Zifferblatt 9, Zeiger 10, 11, 12 für die Geschwindigkeits- und Zeitanzeige, Fensterausschnitte 13, 14 für die Streckenanzeige und die Laufwerkskontrolle sowie Anzeigemittel 15 für die Registrierlage (Tag oder Nacht) der Registrierorgane auf den für einen 24 Stunden-Umlauf vorgesehenen und mit einer entsprechenden Zeitskale versehenen Diagrammscheiben. Die Anzeigemittel 15 umfassen, was nicht näher bezeichnet ist, eine in 24 Stunden umlaufende und mit einer Tag-/Nacht-Markierung versehene Scheibe, einen dieser zugeordneten Drehrichtungspfeil sowie eine auf dem Zifferblatt angebrachte, feststehende Ablesemarkierung.Such a device permits flush-mounted installation and, as it were, a modular use in a dashboard, whereby on the one hand the housing 1 has to fit into an overall design of the dashboard in question and the front pane 2 can possibly extend continuously over several instrument modules, on the other hand, in particular with regard to the display means, the character of a conventional tachograph is preserved. That is, In the relatively large, round window section 3 of the housing 1 there is a dial 9 provided with a speed and time scale, pointers 10, 11, 12 for the speed and time display, window sections 13, 14 for the route display and the drive control, and display means 15 for the registration position (day or night) of the registration organs on the diagram disks intended for 24-hour circulation and provided with a corresponding time scale. The display means 15 include what is not is designated in more detail, a disc that rotates in 24 hours and is provided with a day / night marking, an arrow indicating the direction of rotation assigned to it, and a fixed reading mark on the dial.

Die Einstellknöpfe 5 und 6, denen die üblichen Symbole für Lenken, Bereitschaft und Pause zugeordnet sind, können als Befehlsorgane für das Ausgeben der Diagrammscheiben ausgebildet z. B. in axialer Richtung betätigbar sein. Ferner können den Einzugs- bzw. Ausgabeschächten 7, 8 Leuchtdioden zugeordnet sein, mit denen der jeweilige Zustand "belegt" oder "frei" der nachgeordneten Diagrammscheibenführungsschächte anzeigbar ist. Mit 16 ist ein Stellorgan bezeichnet, das in einer geeigneten Öffnung im Gehäuse 1 versenkt angeordnet und geführt ist und dem Richten der von außen unzugänglich im Gehäuse 1 angeordneten Diagrammscheibenmitnahmemittel sowie der Zeiger 11 und 12 der Zeitanzeige dient.The knobs 5 and 6, which are assigned the usual symbols for steering, standby and pause, can be designed as command organs for the output of the diagram discs z. B. can be actuated in the axial direction. Furthermore, light-emitting diodes can be assigned to the feed or discharge shafts 7, 8, with which the respective state “occupied” or “free” of the downstream diagram disk guide shafts can be indicated. With 16 an actuator is designated, which is arranged and guided sunk in a suitable opening in the housing 1 and is used for straightening the chart drive means arranged inaccessible from the outside in the housing 1 as well as the hands 11 and 12 of the time display.

Die Baugruppe gemäß FIGUR 2, die von nicht erfindungswesentlichen Bauteilen weitgehend freigemacht dargestellt ist, besteht aus einer Montageplatte 17, auf welcher beispielsweise, jedoch nicht dargestellt, die Registrierorgane und deren Antriebsmittel angeordnet sind. Die Registrierorgane greifen durch einen Schlitz 18 in der Montageplatte 17 auf eine eingelegte Diagrammscheibe 19 durch. Diese befindet sich in FIGUR 2 in einem durch die Montageplatte 17 und einer dieser zugeordneten weiteren Platte 20, die als Registrierunterlage dient, gebildeten Schacht 21. Bei dem Fahrtschreibertyp gemäß FIGUR 1 ist es selbstverständlich erforderlich, dem Schacht 21 eine geeignete Schachtverlängerung zuzuordnen, die eine im wesentlichen rechtwinklige Umlenkung zwischen dem Eingabeschlitz 7 bzw. 8 und der Registrierlage der Diagrammscheibe gemäß FIGUR 2 sozusagen parallel zur Anzeigeebene des Fahrtschreibers bewirkt.The assembly according to FIG. 2, which is shown largely free of components not essential to the invention, consists of a mounting plate 17, on which, for example, but not shown, the registration elements and their drive means are arranged. The registration members reach through a slot 18 in the mounting plate 17 onto an inserted chart 19. This is located in FIGURE 2 in a shaft 21 formed by the mounting plate 17 and a further plate 20 assigned to it, which serves as a registration document. In the case of the tachograph type according to FIG. 1, it is of course necessary to assign a suitable shaft extension to the shaft 21, which is a causes essentially right-angled deflection between the input slot 7 or 8 and the registration position of the chart according to FIGURE 2, so to speak, parallel to the display plane of the tachograph.

Von den ebenfalls auf der Montageplatte 17 angeordneten Diagrammscheibentransportmitteln ist lediglich eine Lagerbrücke 22 mit einer zwei in den Schacht 21 eingreifenden Transportrollen 23 und 24 tragenden Welle 25 dargestellt.Of the diagram disk transport means likewise arranged on the mounting plate 17, only one bearing bridge 22 with two transport rollers engaging in the shaft 21 is provided 23 and 24 supporting shaft 25 shown.

Ferner ist auf der Montageplatte 17 eine Steuerwelle 26 gelagert, die symoblisiert durch den Pfeil P mittels eines nicht dargestellt Motors und eines geeigneten Getriebes, von dem lediglich die Zahnräder 27 und 28 dargestellt sind, angetrieben wird, und zwar getrennt durch beim Eingeben der Diagrammscheiben erzeugte oder für das Ausgeben von außen initiierte Signale. Die Drehbewegung der Steuerwelle 26 bewirkt über eine geeignete Getriebeverbindung beispielsweise das Heben und Senken der Registrierorgane, mittels eines Nockens 29 ein in und außer Wirkverbindung Bringen einer die ankommende bzw. eine auszugebende Diagrammscheibe in Drehrichtung antreibenden Transportrolle und über eine Steuerkurve 30 ein Heben und Senken eines auf einer Achse 74 drehbar gelagerten Armes 31, an welchem, was im einzelnen noch näher beschrieben wird, die Diagrammscheibenmitnahmemittel und deren getriebliche Verbindung zu einem Laufwerksmotor 32 in einer in der DE-PS 36 43 739 sowie in der DE-PS 36 29 139 dargestellten Weise gelagert sind. Ferner trägt die Steuerwelle 26 zwei Schlitzscheiben 33 und 34 einer Lichtschranke 35 sowie einen taumelscheibenartig ausgebildeten Mitnehmer 36.Furthermore, a control shaft 26 is mounted on the mounting plate 17, which is symbolized by the arrow P by means of a motor (not shown) and a suitable transmission, of which only the gears 27 and 28 are shown, and is driven separately by those generated when the diagram disks are entered or for the output of signals initiated from outside. The rotary movement of the control shaft 26 effects, for example, the lifting and lowering of the registration members via a suitable gear connection, by means of a cam 29 bringing a transport roller driving the incoming or outgoing chart into rotation and via a control cam 30 a lifting and lowering of a transport roller on an axis 74 rotatably mounted arm 31, on which, what will be described in more detail, the diagram drive means and their gear connection to a drive motor 32 in one in DE-PS 36 43 739 and DE-PS 36 29 139 shown Way are stored. The control shaft 26 also carries two slotted disks 33 and 34 of a light barrier 35 and a swash plate-like driver 36.

Wie die FIGUR 2 außerdem zeigt, steht das Ritzel 37 des Laufwerksmotors 32, der ebenfalls der Montageplatte 17 zugeordnet ist, in Eingriff mit einem Zahnrad 38, welches gleichachsig mit Zahnrädern 39 und 40 angeordnet ist. Mit dem einen Zahnrad 39 steht ein erstes, auf dem Arm 31 gelagertes Zahnradpaar 41 in Eingriff, während mit dem anderen Zahnrad 40 ein auf einer Übertragungswelle 42 befestigtes Kronenrad 43 kämmt. Weitere auf dem Arm 31, welchem in Form einer Stift-/Schlitz-Verbindung 72 eine Lagesicherung zugeordnet ist, gelagerte Zahnradpaare 44, 45 und 46 bilden eine getriebliche Verbindung zu den gegen die Diagrammscheibe 19 weisenden Diagrammscheibenmitnahmemitteln, deren Antriebsverzahnung mit 47 bezeichnet ist. Ein mit der Antriebsverzahnung 47 in Eingriff stehendes Federhaus 48, in welchem eine Schleppfeder 49 wirksam ist, dient in an sich bekannter Weise dem Spielausgleich.As FIGURE 2 also shows, the pinion 37 of the drive motor 32, which is also assigned to the mounting plate 17, is in engagement with a gear 38 which is arranged coaxially with gears 39 and 40. A first gear pair 41, which is mounted on the arm 31, engages with the one gear 39, while a crown gear 43 fastened on a transmission shaft 42 meshes with the other gear 40. Further gear pairs 44, 45 and 46, which are mounted on the arm 31, to which a position securing device is assigned in the form of a pin / slot connection 72, form a geared connection to the chart disk driving means pointing against the chart disk 19 and their drive teeth 47 is designated. A barrel 48, which is in engagement with the drive toothing 47 and in which a drag spring 49 is effective, is used in a manner known per se to compensate for play.

Von der Übertragungswelle 42, auf der eine der Laufwerkskontrollanzeige im Fensterausschnitt 14 dienende Anzeigewalze 50 befestigt ist, zweigt, ausgehend von einer auf der Übertragungswelle 42 angeformten Schnecke 51 einerseits der Getriebezug für die Zeiger 11 und 12 der Zeitanzeige, andererseits der Getriebezug für die Tag-/Nachtanzeige 15 ab. Ein mit der Schnecke 51 in Eingriff stehendes Zahnrad 52 treibt das Minutenrohr 53 des Zeitanzeigewerkes an, während das üblicherweise koaxial zum Minutenrohr 53 angeordnete Stundenrohr 54 an einem Zahnrad 55 ausgebildet ist, welches mit einem mit dem Zahnrad 52 umlaufenden Zahnrad 56 in Eingriff steht. Ausgehend von diesem Zahnrad wird auch die Tag-/Nachtanzeige 15, die einem Zahnrad 57 zugeordnet ist, angetrieben. Ein mit der Montageplatte 17 verbindbares Gestell 58 dient als Träger für das Getriebe des Zeitanzeigewerkes.Starting from a worm 51 formed on the transmission shaft 42, on the one hand the gear train for the hands 11 and 12 of the time display, and on the other hand the gear train for the daytime, branches off from the transmission shaft 42, on which a display roller 50 serving for the drive control display in the window section 14 is fastened. / Night display 15 onwards. A gearwheel 52, which is in engagement with the worm 51, drives the minute tube 53 of the time display unit, while the hour tube 54, which is usually arranged coaxially with the minute tube 53, is formed on a gearwheel 55, which meshes with a gearwheel 56 rotating with the gearwheel 52. Starting from this gear, the day / night display 15, which is assigned to a gear 57, is also driven. A frame 58 which can be connected to the mounting plate 17 serves as a carrier for the gear mechanism of the time display system.

Wie weiter aus FIGUR 2 hervorgeht, ist eine Stellwelle 59 vorgesehen, welche einerseits mittels einer Schlitzzungen-Verbindung 60/61 mit der Übertragungswelle 42 des Zeitanzeigewerkes kuppelbar ist, andererseits sowohl mit dem Mitnehmer 36, welcher in eine Nut 62 in der Stellwelle 59 eingreift, als auch über eine getriebliche Verbindung mit dem Stellorgan 16 in Wirkverbindung steht. Hierzu ist, wie im einzelnen aus FIGUR 3 ersichtlich ist, an der Stellwelle 59, deren eines Ende 63 in einem auf der Montageplatte 17 befestigten Lagerteil 64 axial verschiebbar gelagert ist, eine Verzahnung 65 ausgebildet, in welche ein mit dem im Gehäuse 1 geführten Stellorgan verbundenes Kronenrad 66 eingreift.As can further be seen from FIG. 2, an actuating shaft 59 is provided which, on the one hand, can be coupled to the transmission shaft 42 of the time display unit by means of a slot tongue connection 60/61, and on the other hand both to the driver 36, which engages in a groove 62 in the actuating shaft 59, and is operatively connected to the actuator 16 via a gear connection. For this purpose, as can be seen in detail from FIGURE 3, on the actuating shaft 59, one end 63 of which is axially displaceably mounted in a bearing part 64 fastened on the mounting plate 17, a toothing 65 is formed, into which a control element guided in the housing 1 is formed connected crown gear 66 engages.

Die FIGUREN 4 und 5 zeigen den einstückig, vorzugsweise als Spritzgußteil ausgebildeten Mitnehmer 36, der aus einer Nabe 67 und einem umlaufenden Bund 68 besteht. Zwischen dem Bund 68 und der Nabe 67 ist eine schlitzförmige Freisparung 69 vorgesehen, d. h. der Bund 68 ist lediglich über einen schmalen Steg 70 mit der Nabe 67 verbunden. Andererseits ist der Bund 68 derart zur Nabenachse schräg verlaufend ausgebildet, daß der Mitnehmer 36 die Funktion einer Taumelscheibe ausüben kann, und zwar einer Taumelscheibe, die innerhalb eines bestimmten Umfangswinkels federungsfähig ist. Mit a ist der Hub des Mitnehmers 36 bezeichnet. Die mit 71 bezeichnete Bohrung ist derart gestaltet, daß sie mit der Steuerwelle 26 eine Presspassung bildet.FIGURES 4 and 5 show the driver 36, which is formed in one piece, preferably as an injection molded part, and consists of a hub 67 and a circumferential collar 68. Between the collar 68 and the hub 67 there is a slot-shaped recess 69 provided, ie the collar 68 is only connected to the hub 67 via a narrow web 70. On the other hand, the collar 68 is designed to extend obliquely to the hub axis in such a way that the driver 36 can perform the function of a swash plate, namely a swash plate which is resilient within a certain circumferential angle. With a the stroke of the driver 36 is designated. The bore designated 71 is designed such that it forms an interference fit with the control shaft 26.

Soll ein Richten der Diagrammscheibenmitnahmemittel und zwangsläufig auch ein Richten der Zeitanzeigemittel, die gleichzeitig, und zwar in Verbindung mit der Tag-/Nachtanzeige 15 als Stellungsanzeige für die Diagrammscheibenmitnahmemittel dienen, erfolgen, so ist es erforderlich, daß, abgesehen von der zwischen den Zahnrädern 39 und 40 einerseits und dem Zahnrad 38 bzw. deren gemeinsamer Welle 73 andererseits vorzusehenden Friktionsverbindung die Kupplungsmittel 60, 61 zwischen der Übertragungswelle 42 und der Stellwelle 59 in Eingriff sind. Dies erfordert eine axiale Verschiebung der Stellwelle 59, die, ausgelöst durch eine Drehbewegung der Steuerwelle 26, mittels des mit der Stellwelle 59 in Eingriff stehenden Mitnehmers 36 bewirkt wird. Dabei wird die Drehbewegung der Steuerwelle 26 ihrerseits beispielsweise durch ein Signal zum Auswerfen der Diagrammscheibe 19 ausgelöst oder beim Eingeben einer Diagrammscheibe beispielsweise durch eine Lichtschranke gesteuert. Die Anordnung des Mitnehmers 36 auf der Steuerwelle 26 ist derart gewählt, daß in der Kupplungsstellung der Steuerwelle 26 der dem Steg 70 gegenüberliegende Teil des Bundes 68 in die Stellwelle 59 eingreift. Auf diese Weise ist für den Fall, daß die Kupplungsmittel 60, 61 zwischen der Stellwelle 59 und der Übertragungswelle 42 aufeinander aufsitzen, mit anderen Worten nicht unmittelbar in Eingriff gehen, der maximale Federungsweg am Mitnehmer 36 gegeben. Das Einkuppeln der beiden Wellen erfolgt dann beim Betätigen des Einstellorgans 16 infolge der über den Mitnehmer 36 an der Stellwelle 59 wirkenden Vorspannung in axialer Richtung selbsttätig.If the chart drive means and inevitably also the time display means, which serve simultaneously as a position indicator for the chart drive means in conjunction with the day / night display 15, it is necessary that, apart from that between the gears 39 and 40 on the one hand and the gear 38 or their common shaft 73 on the other hand friction connection to be provided, the coupling means 60, 61 are engaged between the transmission shaft 42 and the actuating shaft 59. This requires an axial displacement of the actuating shaft 59, which, triggered by a rotary movement of the control shaft 26, is effected by means of the driver 36 which is in engagement with the actuating shaft 59. The rotary movement of the control shaft 26 is in turn triggered, for example, by a signal for ejecting the diagram disk 19 or controlled when a diagram disk is input, for example by a light barrier. The arrangement of the driver 36 on the control shaft 26 is selected such that in the coupling position of the control shaft 26 the part of the collar 68 opposite the web 70 engages in the actuating shaft 59. In this way, in the event that the coupling means 60, 61 are seated on one another between the actuating shaft 59 and the transmission shaft 42, in other words do not engage directly, the maximum suspension travel is provided on the driver 36. The two shafts are then engaged when the adjusting member 16 is actuated as a result of the movement of the driver 36 the actuating shaft 59 acting bias automatically in the axial direction.

Es sei noch vermerkt, daß die getriebliche Verbindung zwischen dem Einstellorgan 16 und der Stellwelle 59 derart ausgebildet sein muß, daß sie während der axialen Bewegung der Stellwelle 59 stets in Eingriff bleibt und durch eine geeignete Abstützung des Stellorgans 16, z. B. auf dem Lagerteil 64 druckentlastet ist.It should also be noted that the gear connection between the adjusting member 16 and the actuating shaft 59 must be designed such that it always remains in engagement during the axial movement of the actuating shaft 59 and by a suitable support of the actuator 16, z. B. is relieved of pressure on the bearing part 64.

Der Vollständigkeit halber sei noch erwähnt, daß die Stellwelle 59 und die Achse des Stellorgans 16 auch parallel angeordnet sein können und in einem solchen Falle eine eine Axialbewegung gestattende Stirnradverbindung vorzusehen ist.For the sake of completeness, it should also be mentioned that the actuating shaft 59 and the axis of the actuating member 16 can also be arranged in parallel and in such a case a spur gear connection allowing axial movement is to be provided.

Claims (7)

  1. Tachograph having entrainer means driven as a function of time for graph charts (19) serving as recording carriers, having a position display (9, 11, 12) associated with the graph chart entrainer means and having an adjusting apparatus (16, 65, 66, 59, 61) which can be actuated from outside and which enables the graph chart entrainer means to be set to the current time, characterized in that the adjusting apparatus (16, 65, 66, 59, 61) is coupled to a drive device (27, 28, 26, 36), and in that in the absence of a graph chart (19) the adjusting apparatus (16, 65, 66, 59, 61) is brought by means of the drive device (27, 28, 26, 36) into engagement with the running mechanism (32, 37, 38, 39, 41, 44, 45, 46, 47) driving the graph chart entrainer means.
  2. Tachograph according to Claim 1, characterized in that the adjusting apparatus includes an axially displaceable adjusting shaft (59), in that an entrainer which is in engagement with the adjusting shaft (59) is provided, and in that a drive element associated with the entrainer is controllable by a switch which can be actuated by a graph chart (19).
  3. Tachograph according to Claim 2, characterized in that the entrainer is constructed as a wobble plate (36) and is secured to a control shaft (26) arranged in the tachograph.
  4. Tachograph according to Claim, 3, characterized in that the entrainer (36) comprises a hub (67) and an axially yielding collar (68), and in that the collar (68) is integrally formed on the hub (67), rotating about the axis thereof.
  5. Tachograph according to Claim 4, characterized in that the collar (68) is connected to the hub (67) by way of a web (70).
  6. Tachograph according to Claim 1, characterized in that a transmission shaft (42) is provided in the branch of the running mechanism to the graph chart entrainer means or the position indicator means, and in that the adjusting shaft (59) is arranged such that it can be coupled axially to the transmission shaft (42).
  7. Tachograph according to Claim 1, characterized in that there is provided between the adjusting shaft (59) and an adjusting member (16) of the adjusting apparatus a geared connection (65, 66) allowing an axial movement of the adjusting shaft (59).
EP89120530A 1988-11-11 1989-11-06 Tachograph with time-dependently driven interaction means for diagram discs serving as record carriers Expired - Lifetime EP0368219B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3838280A DE3838280A1 (en) 1988-11-11 1988-11-11 TACHOGRAPH WITH TIME-DRIVEN DRIVES FOR DIAGRAM DISKS TO BE USED AS RECORDING CARRIERS
DE3838280 1988-11-11

Publications (3)

Publication Number Publication Date
EP0368219A2 EP0368219A2 (en) 1990-05-16
EP0368219A3 EP0368219A3 (en) 1991-01-16
EP0368219B1 true EP0368219B1 (en) 1994-07-27

Family

ID=6366972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120530A Expired - Lifetime EP0368219B1 (en) 1988-11-11 1989-11-06 Tachograph with time-dependently driven interaction means for diagram discs serving as record carriers

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EP (1) EP0368219B1 (en)
JP (1) JP2548241Y2 (en)
DE (2) DE3838280A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9203742U1 (en) * 1992-03-20 1992-05-07 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Slip clutch provided in the time drive of a tachograph
GB2305246A (en) * 1995-09-15 1997-04-02 Tvi Europ Ltd Tachograph with phase correction
DE29610675U1 (en) * 1996-06-18 1996-08-29 VDO Adolf Schindling AG, 60326 Frankfurt Tachograph with a drive for the time-dependent drive of diagram disks serving as recording media
JP3550268B2 (en) * 1997-02-25 2004-08-04 矢崎総業株式会社 Method and apparatus for correcting recording time in operation recorder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3144922A1 (en) * 1981-11-12 1983-05-19 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Tachograph
EP0247550B1 (en) * 1986-05-30 1992-09-16 Moto Meter AG Tachograph for motor vehicles
DE3634796C1 (en) * 1986-10-11 1987-11-26 Mannesmann Kienzle Gmbh Arrangement for automatic, timely positioning of a chart

Also Published As

Publication number Publication date
EP0368219A3 (en) 1991-01-16
DE3838280A1 (en) 1990-05-17
JPH0267465U (en) 1990-05-22
EP0368219A2 (en) 1990-05-16
JP2548241Y2 (en) 1997-09-17
DE58908103D1 (en) 1994-09-01

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