EP0186557A1 - Tachograph registering device automatically actuated immediately the vehicle starts moving - Google Patents

Tachograph registering device automatically actuated immediately the vehicle starts moving Download PDF

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Publication number
EP0186557A1
EP0186557A1 EP85402369A EP85402369A EP0186557A1 EP 0186557 A1 EP0186557 A1 EP 0186557A1 EP 85402369 A EP85402369 A EP 85402369A EP 85402369 A EP85402369 A EP 85402369A EP 0186557 A1 EP0186557 A1 EP 0186557A1
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EP
European Patent Office
Prior art keywords
cam
vehicle
recording device
soon
recording
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Granted
Application number
EP85402369A
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German (de)
French (fr)
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EP0186557B1 (en
Inventor
Bernard Alhadef
Jean-Pierre Guillou
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Jaeger SA
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Jaeger SA
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Publication of EP0186557B1 publication Critical patent/EP0186557B1/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
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • 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
    • G07C5/02—Registering or indicating driving, working, idle, or waiting time only
    • G07C5/06—Registering or indicating driving, working, idle, or waiting time only in graphical form

Definitions

  • the invention relates to a recording device for route recorders, generally called tachographs, and in particular a device that can come into action automatically as soon as the vehicle is in motion.
  • route recorders to record data intervening during the use of a vehicle, such as the distance traveled, the speed performed, the travel time. These data relate to use in driving, to one or two drivers, and are reported by writing means which make it possible to obtain a recording trace on a chart-holding disc (or two discs in a two-driver variant) driven in accordance with real time by an organ such as a watch.
  • Such devices include writing means for obtaining a recording trace on a diagram-carrying disc. Use is thus made of writing devices which come into action both during the running of the vehicle and for the recording of auxiliary work, such as loading and unloading, repetitions on the vehicle, waiting times and others, while the vehicle is at the stop.
  • These working time recording devices provided that they also write thick line diagrams, are most often driven by an electric oscillation generator., And are generally mounted on axes arranged inside the case. of the route recorder or on a mounting plate that can be installed inside the route recorder.
  • An object of the invention is to provide a registration device which can come into action automatically as soon as the vehicle is running, and which is of simple design while having high reliability.
  • Another object of the invention is to obtain a recording of the "time-driver" for easy reading.
  • Another object of the invention is that the proposed registration device is easily adaptable for a two-driver application.
  • a final object of the invention is that the device is compatible with a so-called "intrinsically safe” approval, relating to the transport of hazardous materials by road vehicles.
  • the invention relates to a recording device for route recorders, capable of entering into action automatically as soon as the vehicle is in motion, comprising writing means for obtaining a recording trace on a chart-holding disc and a multi-position guide cam cooperating with the listing means so as to obtain a layout thus accounting for the different types of use of the vehicle, characterized in that it comprises additional guide means which can replace the guide cam at several positions, and in any of said positions, and actuation means, controlled by the vehicle speed chain, automatically performing said substitution as soon as the vehicle is in motion so that the writing means produce a trace corresponding to a driving position.
  • the additional guide means essentially consist of an additional cam coaxial with the guide cam with several positions, the internal radius of which makes it possible to cover said cam in several positions to replace it automatically in the position of conduct.
  • the additional cam comprises a support ring which can slide on the journal of the cam in several positions, and a lateral bar whose cross section has the shape of a meniscus, said bar automatically cooperating with the writing means in the driving position in order to obtain a trace of thickness greater than that of the traces obtained with the cam in several positions;
  • the cam with several positions and the additional cam are advantageously integral in rotation, and subjected to the action of a spring tending to move them away from one another.
  • the actuation means allowing the automatic substitution in the driving position essentially comprise a drum whose rotation is controlled by the speed chain of the vehicle and a lever cooperating at one end with said drum and by the other end with the additional guidance means so that this substitution occurs as soon as the speed of the vehicle crosses a predetermined threshold; for example, the drum has a circular track against which the associated end of the lever is supported, said track being interrupted by a notch with an inclined ramp which can cooperate with said end when the vehicle speed drops from zero to the predetermined speed threshold, and said drum further carries the axis of the tachometer indicator needle.
  • the device then advantageously includes means allowing an abrupt automatic substitution in the driving position as soon as a very low speed threshold is reached, for example 0.1 km / h, for example by a servo setting setting in motion over a short angular range. the vehicle speed chain as soon as the speed threshold is crossed, said angular range being sufficient for automatic substitution to be carried out.
  • the writing, guiding and actuating means are split for recording on two diagram-carrying discs, so as to distinguish the use of the vehicle by one of two drivers, the speed chain of the vehicle controlling the actuation means for automatic substitution in any one of the two kinematic chains; when a control drum is provided as above, said drum is preferably common to the two kinematic chains, the splitting occurring for the lever, the guide means and the writing means.
  • the illustrated recording device comprises writing means 1 for obtaining a recording trace on a diagram-carrying disc 2 driven in accordance with real time by a watch 3, and control means 4 acting directly on the means subscribers 1 for a route giving an account of the different types of use of the vehicle.
  • the control means 4 are here in direct engagement with the drive motor of the watch 3, and there is provided a guide cam 5 with several positions, cooperating with the writing means 1 so as to obtain a layout whose thickness corresponds to each of said positions. Direct movement is thus achieved by engaging a pinion 6 mounted on an output shaft 7 of the watch drive motor 3, on a pinion 8 forming the start of the kinematic chain of the control means 4, this chain continuing with sprockets 9, 10, to drive a pin 11 on which slides freely the cam 5, the assembly being held by fixed elements 12, 13 integral with the boot of the apparatus.
  • the roller 14 of the stylus holder 15 bears against the cam 5, on one of its tracks 16, 16 ', 16 "(here 16"), the choice being made by a manual control button (not shown) accessible from the front of the housing and acting on a member 17 serving as a pusher for said cam.
  • the choice of tracks determines the layout mode with its thickness.
  • the track 16 is circular and corresponds to a rest position, the recording on the diagram-carrying disc 2 resulting in a simple thin circular line.
  • the non-circular tracks 16 'and 16 "correspond to two working positions when stationary, for example loading / unloading and repairing respectively.
  • the device further comprises additional guide means 18 which can replace the cam 5, and this in any of the positions thereof, as well as actuation means 19, controlled by the vehicle speed chain, automatically carrying out said substitution as soon as the vehicle is in motion so that the writing means 1 produce a trace corresponding to a driving position.
  • the additional guide means 18 can be produced in several ways, the important thing being that they replace the cam 5 in the driving position.
  • the illustrated embodiment consists of a cam 18, coaxial with the cam 5 in several positions.
  • the cam 18 comprises a support ring 20 which can slide on the pin 11, and a lateral bar 21 whose cross section has the shape of a meniscus; it is this lateral bar which "covers" the cam 5 in a way when it acts as a support for the roller 14.
  • the cams 5 and 18 are integral in rotation. This connection is illustrated by the passage of the end 22 of the cam 5 in a lateral orifice 23.
  • the pin 11, the movement of which is controlled from the clockwork movement 3, carries a pin 24 engaging in a longitudinal groove 25 passing through the support ring, so that the cams 5 and 18 subjected to the action of a spring 26 tending to move them away from one another, rotate continuously, regardless of their relative axial position.
  • the tracks 16 'and 16 "have as minimum radius the radius of the circular track 16, so that the meniscus of the bar 21 has a corresponding substantially circular internal curvature, the external curvature being chosen, in shape and in maximum radius, depending on the method of registration and the thickness of the path chosen.
  • the actuating means 19 are engaged on the speed chain of the vehicle: the block 27 shows diagrammatically the conventional speed gain, with an output pinion 28 which is used, in known manner, to control the tachometer needle 29 and the means 30 speed markers (illustrated schematically).
  • a drum 31, the rotation of which is controlled by the pinion 28, by means of an auxiliary pinion 32, has a circular track interrupted by an inclined ramp notch 33.
  • a lever 34, here articulated, cooperates at one end with the inclined ramp notch 33, and at its other end with a washer 35 bearing against the cam 18.
  • the other end of the lever pushes the cam 18 towards the cam 5, against the action of the spring 26. Due to the coupling of the two cams, the bar 21 is always well positioned radially, to avoid a stop against the roller 14 which would prevent the cam 18 from covering the cam 5 in the driving position. It should be noted that this does not depend on that of the tracks of the cam 5 against which the roller 14 rests when one passes into the driving position.
  • a very low speed threshold 0.1 km / h for example
  • a housing (not shown) in which the recording means 1, the control means 4, the cams 5 and 18 and the actuating means 19 are arranged, while an articulated cover (not shown) supports the watch 3 and the diagram-carrying disc 2.
  • the direct movement movement on the watch, to control the cam 5 and the writing means 1, is thus carried out as soon as the articulated cover is closed, from which the pinion 6 towards the housing; this makes it possible to have a thickened trace on the diagram-carrying disc when the vehicle is stopped, this trace having a thickness specific to each position of the cam 5, therefore to each type of use for the driver.
  • the cam 18 automatically replaces the cam 5 by covering the latter, and a plot having an even different thickness is obtained, so that the reading of the diagram-carrying disc is very easy.

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

Abstract

1. A recording device for a route log, said device being capable of coming automatically into action as soon as the vehicle is put into operation, the device comprising recording means (1) for obtaining a record trace on a chart disk, and multi-position guide cam (5) co-operating with the recording means (1) in such a manner as to obtain a trace capable of distinguishing different types of vehicle use, characterized in that the recording device includes additional guide means (18) capable of taking the place of the multi-position guide cam (5) regard-less of which one of said positions with guide cam is in, together with actuator means (19) controlled by the vehicle speedometer drive (27, 28) capable of automatically causing said substitution to take place as soon as the vehicle is in operation to cause the recording means (1) to produce a trace corresponding to a driving position.

Description

L'invention concerne un dispositif d'inscription pour enregistreurs de route, dénommés en général tachygraphes, et en particulier un dispositif pouvant entrer en action automatiquement dès que le véhicule est en marche.The invention relates to a recording device for route recorders, generally called tachographs, and in particular a device that can come into action automatically as soon as the vehicle is in motion.

Il est connu d'utiliser des enregistreurs de route pour inscrire des données intervenant au cours de l'utilisation d'un véhicule, telles que le trajet parcouru, la vitesse effectuée, le temps de route. Ces données concernent une utilisation en conduite, à un ou deux chauffeurs, et sont reportées par des moyens inscripteurs qui permettent d'obtenir un tracé d'enregistrement sur un disque porte-diagramme (ou deux disques en variante bi-chauffeurs) entraîné conformément au temps réel par un organe tel qu'une montre.It is known to use route recorders to record data intervening during the use of a vehicle, such as the distance traveled, the speed performed, the travel time. These data relate to use in driving, to one or two drivers, and are reported by writing means which make it possible to obtain a recording trace on a chart-holding disc (or two discs in a two-driver variant) driven in accordance with real time by an organ such as a watch.

De tels dispositifs comportent des moyens inscripteurs pour l'obtention d'un tracé d'enregistrement sur un disque porte-diagramme. On utilise ainsi des dispositifs inscripteurs qui entrent en action aussi bien pendant la marche du véhicule que pour l'enregistrement de travaux auxiliaire, tels que chargement et déchargement, répérations sur le véhicule, temps d'attente et autres, alors que le véhicule est à l'arrêt. Ces dispositifs inscripteurs de temps de travail, pour autant qu'ils inscrivent également des diagrammes à trait épaissi, sont le plus souvent entraînés par un générateur électrique d'oscillations., et sont en général montés sur des axes disposés à l'intérieur du bottier de l'enregistreur de route ou sur une platine de montage pouvant être mise en place à l'intérieur de l'enregistreur de route.Such devices include writing means for obtaining a recording trace on a diagram-carrying disc. Use is thus made of writing devices which come into action both during the running of the vehicle and for the recording of auxiliary work, such as loading and unloading, repetitions on the vehicle, waiting times and others, while the vehicle is at the stop. These working time recording devices, provided that they also write thick line diagrams, are most often driven by an electric oscillation generator., And are generally mounted on axes arranged inside the case. of the route recorder or on a mounting plate that can be installed inside the route recorder.

Il est donc en général prévu un moteur spécial pour commander les moyens inscripteurs lorsque le véhicule est à l'a:rêt, de façon à avoir un trait épaissi sur le disque po÷=e-diagramme, car le moyen classique d'obtention d'un tel trait par un mouvement de va-et-vient du stylet inscripteur commandé par la chaîne mécanique odométrique n'est évidemment plus utilisable. Sans insister sur les inconvénients d'un tel moteur spécial, il est important de noter que, pour de tels dispositifs, l'activité conduite est repérée sur le disque porte-diagramme par un tracé "temps-chauffeur" dont l'épaississement est obtenu par le mouvement de va-et-vient du stylet, mouvement qui est commandé par la chaîne mécanique odométrique. Cette commande n'est cependant pas automatique : le chauffeur doit actionner un bouton en face avant du bottier. Cette manoeuvre est obligatoire : en cas d'oubli, le chauffeur serait en infraction avec la réglementation et le dépouillement au sol serait faussé, d'où l'aspect fastidieux d'une telle manoeuvre lorsqu'elle est répétée plusieurs fois.It is therefore generally provided a special motor to control the listing means when the vehicle is at: stop, so as to have a thickened line on the disc po ÷ = e-diagram, because the conventional means of obtaining such a line by a back and forth movement of the writing stylus controlled by the odometric mechanical chain is obviously no longer usable. Without insisting on the drawbacks of such a special motor, it is important to note that, for such devices, the activity carried out is identified on the diagram-carrying disc by a "time-driver" trace, the thickening of which is obtained. by the movement of the stylus back and forth, movement which is controlled by the odometric mechanical chain. However, this command is not automatic: the driver must press a button on the front of the bootmaker. This maneuver is compulsory: in the event of forgetting, the driver would be in violation of the regulations and the counting on the ground would be distorted, hence the tedious aspect of such a maneuver when it is repeated several times.

D'autres dispositifs connus utilisent le positionnement d'un organe mécanique à partir de la chaîne odométrique pour la conduite, le retour de cet organe provenant de la "chaîne montre" qui entraîne en temps réel le disque porte-diagramme ; on peut aussi prévoir un retour par un dispositif du type électro-aimant ou bilame commandé par un circuit électronique.Other known devices use the positioning of a mechanical member from the odometric chain for driving, the return of this member from the "watch chain" which drives the diagram-carrying disc in real time; one can also provide a return by a device of the electromagnet or bimetal type controlled by an electronic circuit.

Ces différents dispositifs restent de structure complexe et coûteux à réaliser, de sorte que l'automatisme de l'enregistrement en position de conduite, dont le principe est naturellement très séduisant, implique une mise en oeuvre qui décourage bien des fabricants.These various devices remain of complex structure and costly to produce, so that the automatic recording in the driving position, the principle of which is naturally very attractive, involves an implementation which discourages many manufacturers.

Un but de l'invention est de proposer un dispositif d'inscription pouvant entrer en action automatiquement dès que le véhicule est en marche, et qui soit de conception simple tout en ayant une fiabilité élevée.An object of the invention is to provide a registration device which can come into action automatically as soon as the vehicle is running, and which is of simple design while having high reliability.

Un autre but de l'invention est d'obtenir un enregistrement du "temps-chauffeur" de lecture aisée.Another object of the invention is to obtain a recording of the "time-driver" for easy reading.

Un autre but de l'invention est que le dispositif d'inscription proposé soit aisément adaptable pour une application bi-chauffeurs.Another object of the invention is that the proposed registration device is easily adaptable for a two-driver application.

Un dernier but de l'invention est que le dispositif soit compatible avec une homologation dite "en sécurité intrinsèque", concernant le transport de matières dangereuses par véhicules routiers.A final object of the invention is that the device is compatible with a so-called "intrinsically safe" approval, relating to the transport of hazardous materials by road vehicles.

L'invention concerne un dispositif d'inscription pour enregistreurs de route,pouvant entrer en action automatiquement dès que le véhicule est en marche, comportant des moyens inscripteurs pour l'obtention d'un tracé d'enregistrement sur un disque porte-diagramme et une came de guidage à plusieurs positions coopérant avec les moyens inscripteurs de façon à obtenir un tracé rendant ainsi compte des différents types d'utilisation du véhicule, caractérisé par le fait qu'il comporte des moyens supplémentaires de guidage pouvant se substituer à la came de guidage à plusieurs positions, et ce dans n'importe laquelle desdites positions, et des moyens d'actionnement, commandés par la chaîne vitesse du véhicule, réalisant automatiquement ladite substitution dès que le véhicule est en marche pour que les moyens inscripteurs produisent un tracé correspondant à une position de conduite.The invention relates to a recording device for route recorders, capable of entering into action automatically as soon as the vehicle is in motion, comprising writing means for obtaining a recording trace on a chart-holding disc and a multi-position guide cam cooperating with the listing means so as to obtain a layout thus accounting for the different types of use of the vehicle, characterized in that it comprises additional guide means which can replace the guide cam at several positions, and in any of said positions, and actuation means, controlled by the vehicle speed chain, automatically performing said substitution as soon as the vehicle is in motion so that the writing means produce a trace corresponding to a driving position.

Selon une caractéristique avantageuse, les moyens supplémentaires de guidage sont essentiellement constitués par une came supplémentaire coaxiale à la came de guidage à plusieurs positions, dont le rayon intérieur permet de coiffer ladite came à plusieurs positions pour se substituer à celle-ci automatiquement en position de conduite.According to an advantageous characteristic, the additional guide means essentially consist of an additional cam coaxial with the guide cam with several positions, the internal radius of which makes it possible to cover said cam in several positions to replace it automatically in the position of conduct.

De préférence, la came supplémentaire comporte une bague support pouvant coulisser sur le tourillon de la came à plusieurs positions, et une barrette latérale dont la section transversale a la forme d'un ménisque, ladite barrette coopérant automatiquement avec les moyens inscripteurs en position de conduite pour l'obtention d'un tracé d'épaisseur supérieure à celle des tracés obtenus avec la came à plusieurs positions ; la came à plusieurs positions et la came supplémentaire sont avantageusement solidaires en rotation, et soumises à l'action d'un ressort tendant à les éloigner l'une de l'autre.Preferably, the additional cam comprises a support ring which can slide on the journal of the cam in several positions, and a lateral bar whose cross section has the shape of a meniscus, said bar automatically cooperating with the writing means in the driving position in order to obtain a trace of thickness greater than that of the traces obtained with the cam in several positions; the cam with several positions and the additional cam are advantageously integral in rotation, and subjected to the action of a spring tending to move them away from one another.

Selon une autre caractéristique avantageuse, les moyens d'actionnement permettant la substitution automatique en position de conduite comportent essentiellement un tambour dont la rotation est commandée par la chaîne vitesse du véhicule et unlevier coopérant par une extrémité avec ledit tambour et par l'autre extrémité avec les moyens supplémentaires de guidage de façon que cette substitution intervienne dès que la vitesse du véhicule franchit un seuil prédéterminé ; par exemple, le tambour présente une piste circulaire contre laquelle l'extrémité associée du levier est en appui, ladite piste étant interrompue par une encoche à rampe inclinée pouvant coopérer avec ladite extrémité lorsque la vitesse du véhicule passe de zéro au seuil de vitesse prédéterminé, et ledit tambour porte en outre l'axe de l'aiguille indicatrice du tachymètre.According to another advantageous characteristic, the actuation means allowing the automatic substitution in the driving position essentially comprise a drum whose rotation is controlled by the speed chain of the vehicle and a lever cooperating at one end with said drum and by the other end with the additional guidance means so that this substitution occurs as soon as the speed of the vehicle crosses a predetermined threshold; for example, the drum has a circular track against which the associated end of the lever is supported, said track being interrupted by a notch with an inclined ramp which can cooperate with said end when the vehicle speed drops from zero to the predetermined speed threshold, and said drum further carries the axis of the tachometer indicator needle.

Le dispositif comporte ensuite avantageusement des moyens permettant une substitution automatique brusque en position de conduite dès qu'un seuil de vitesse très bas est atteint, par exemple 0,1 km/h, par exemple par un asservissement mettant en mouvement sur une courte plage angulaire la chaîne vitesse du véhicule dès le franchissement du seuil de vitesse, ladite plage angulaire étant suffisante pour que la substitution automatique soit réalisée.The device then advantageously includes means allowing an abrupt automatic substitution in the driving position as soon as a very low speed threshold is reached, for example 0.1 km / h, for example by a servo setting setting in motion over a short angular range. the vehicle speed chain as soon as the speed threshold is crossed, said angular range being sufficient for automatic substitution to be carried out.

Selon une variante, les moyens inscripteurs, de guidage et d'actionnement sont dédoublés pour un enregistrement sur deux disques porte-diagramme, de façon à distinguer l'utilisation du véhicule par l'un de deux chauffeurs, la chaîne vitesse du véhicule commandant les moyens d'actionnement pour la substitution automatique dans l'une quelconque des deux chaînes cinématiques ; lorsqu'il est prévu comme précédemment un tambour de commande, ledit tambour est de préférence commun aux deux chaînes cinématiques, le dédoublement intervenant pour le levier, les moyens de guidage et les moyens inscripteurs.According to a variant, the writing, guiding and actuating means are split for recording on two diagram-carrying discs, so as to distinguish the use of the vehicle by one of two drivers, the speed chain of the vehicle controlling the actuation means for automatic substitution in any one of the two kinematic chains; when a control drum is provided as above, said drum is preferably common to the two kinematic chains, the splitting occurring for the lever, the guide means and the writing means.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lumière de la description qui va suivre et du dessin annexé, en référence à la figure de la planche unique illustrant schématiquement, en coupe partielle, un mode de réalisation préférentiel d'un dispositif d'inscription conforme à l'invention.Other characteristics and advantages of the invention will appear more clearly in the light of the description which follows and of the appended drawing, with reference to the figure of the single plate schematically illustrating, in partial section, a preferred embodiment of a registration device according to the invention.

Le dispositif d'inscription illustré comporte des moyens inscripteurs 1 pour l'obtention d'un tracé d'enregistrement sur un disque porte-diagramme 2 entraîné conformément au temps réel par une montre 3, et des moyens de commande 4 agissant directement sur les moyens inscripteurs 1 en vue d'un tracé rendant compte des différents types d'utilisation du véhicule.The illustrated recording device comprises writing means 1 for obtaining a recording trace on a diagram-carrying disc 2 driven in accordance with real time by a watch 3, and control means 4 acting directly on the means subscribers 1 for a route giving an account of the different types of use of the vehicle.

Les moyens de commande 4 sont ici en prise directe avec le moteur d'entraînement de la montre 3, et il est prévu une came de guidage 5 à plusieurs positions, coopérant avec les moyens inscripteurs 1 de façon à obtenir un tracé dont l'épaisseur correspond à chacune desdites positions. La prise directe de mouvement est ainsi réalisée par engrènement d'un pignon 6 monté sur un arbre de sortie 7 du moteur d'entraînement de la montre 3, sur un pignon 8 formant le début de la chaîne cinématique des moyens de commande 4, cette chaîne se poursuivant par des pignons 9, 10, pour entraîner un tourillon 11 sur lequel coulisse librement la came 5, l'ensemble étant maintenu par des éléments fixes 12, 13 solidaires du bottier de l'appareil. Le galet 14 du porte-stylet 15 vient en appui contre la came 5, sur l'une de ses pistes 16, 16', 16" (ici 16"), le choix se faisant par un bouton de commande manuelle (non représenté) accessible en face avant du boîtier et agissant sur un organe 17 servant de poussoir pour ladite came.The control means 4 are here in direct engagement with the drive motor of the watch 3, and there is provided a guide cam 5 with several positions, cooperating with the writing means 1 so as to obtain a layout whose thickness corresponds to each of said positions. Direct movement is thus achieved by engaging a pinion 6 mounted on an output shaft 7 of the watch drive motor 3, on a pinion 8 forming the start of the kinematic chain of the control means 4, this chain continuing with sprockets 9, 10, to drive a pin 11 on which slides freely the cam 5, the assembly being held by fixed elements 12, 13 integral with the boot of the apparatus. The roller 14 of the stylus holder 15 bears against the cam 5, on one of its tracks 16, 16 ', 16 "(here 16"), the choice being made by a manual control button (not shown) accessible from the front of the housing and acting on a member 17 serving as a pusher for said cam.

Le choix des pistes, aussi bien quant à leur nombre que quant à leur forme, détermine le mode de tracé avec son épaisseur. Ici la piste 16 est circulaire et correspond à une position de repos, l'enregistrement sur le disque porte-diagramme 2 se traduisant par un simple trait circulaire fin. Les pistes non circulaires 16' et 16" correspondent à deux positions de travail à l'arrêt, par exemple chargement/déchargement et réparation respectivement.The choice of tracks, both in terms of their number and their shape, determines the layout mode with its thickness. Here the track 16 is circular and corresponds to a rest position, the recording on the diagram-carrying disc 2 resulting in a simple thin circular line. The non-circular tracks 16 'and 16 "correspond to two working positions when stationary, for example loading / unloading and repairing respectively.

On va maintenant décrire les organes qui permettent d'avoir un enregistrement automatique en position de conduite, sans que soit nécessaire une quelconque commande manuelle.We will now describe the members which allow automatic recording in the driving position, without the need for any manual control.

Conformément à un aspect fondamental de l'invention, le dispositif comporte en outre des moyens supplémentaires de guidage 18 pouvant se substituer à la came 5, et ce dans n'importe laquelle des positions de celle-ci, ainsi que des moyens d'actionnement 19, commandés par la chaîne vitesse du véhicule, réalisant automatiquement ladite substitution dès que le véhicule est en marche pour que les moyens inscripteurs 1 produisent un tracé correspondant à une position de conduite.In accordance with a fundamental aspect of the invention, the device further comprises additional guide means 18 which can replace the cam 5, and this in any of the positions thereof, as well as actuation means 19, controlled by the vehicle speed chain, automatically carrying out said substitution as soon as the vehicle is in motion so that the writing means 1 produce a trace corresponding to a driving position.

Les moyens supplémentaires de guidage 18 peuvent être réalisés de plusieurs façons, l'important étant qu'ils se substituent à la came 5 en position de conduite. Le mode de réalisation illustré consiste en une came 18, coaxiale à la came 5 à plusieurs positions. La came 18 comporte une bague support 20 pouvant coulisser sur le tourillon 11, et une barrette latérale 21 dont la section transversale a la forme d'un ménisque ; c'est cette barrette latérale qui "coiffe" en quelque sorte la came 5 lorsqu'elle intervient comme appui pour le galet 14.The additional guide means 18 can be produced in several ways, the important thing being that they replace the cam 5 in the driving position. The illustrated embodiment consists of a cam 18, coaxial with the cam 5 in several positions. The cam 18 comprises a support ring 20 which can slide on the pin 11, and a lateral bar 21 whose cross section has the shape of a meniscus; it is this lateral bar which "covers" the cam 5 in a way when it acts as a support for the roller 14.

Pour une bonne transmission de mouvement, il est intéressant que les cames 5 et 18 soient solidaires en rotation. Cette solidarisation est illustrée par le passage de l'extrémité 22 de la came 5 dans un orifice latéral 23. Le tourillon 11, dont le mouvement est commandé depuis le mouvement d'horlogerie 3, porte une goupille 24 s'engageant dans une rainure longitudinale 25 traversant la bague support, de sorte que les cames 5 et 18 soumises à l'action d'un ressort 26 tendant à les éloigner l'une de l'autre, tournent en permanence, et ce quelle que soit leur position axiale relative.For good motion transmission, it is advantageous that the cams 5 and 18 are integral in rotation. This connection is illustrated by the passage of the end 22 of the cam 5 in a lateral orifice 23. The pin 11, the movement of which is controlled from the clockwork movement 3, carries a pin 24 engaging in a longitudinal groove 25 passing through the support ring, so that the cams 5 and 18 subjected to the action of a spring 26 tending to move them away from one another, rotate continuously, regardless of their relative axial position.

Il est à noter que pour la variante illustrée, les pistes 16' et 16" ont comme rayon minimum le rayon de la piste circulaire 16, de sorte que le ménisque de la barrette 21 présente une courbure interne sensiblement circulaire correspondante, la courbure externe étant choisie, en forme et en rayon maximal, en fonction du mode d'inscription et de l'épaisseur de tracé choisis.It should be noted that for the illustrated variant, the tracks 16 'and 16 "have as minimum radius the radius of the circular track 16, so that the meniscus of the bar 21 has a corresponding substantially circular internal curvature, the external curvature being chosen, in shape and in maximum radius, depending on the method of registration and the thickness of the path chosen.

Les moyens d'actionnement 19 sont en prise sur la chaîne vitesse du véhicule : le bloc 27 schématise la prise de vitesse classique, avec un pignon de sortie 28 qui sert, de façon connue, à commander l'aiguille du tachymètre 29 et les moyens inscripteurs 30 de la vitesse (illustrés schématiquement). Un tambour 31, dont la rotation est commandée par le pignon 28, par l'intermédiaire d'un pignon auxiliaire 32, présente une piste circulaire interrompue par une encoche à rampe inclinée 33. Un levier 34, ici articulé, coopère par une extrémité avec l'encoche à rampe inclinée 33, et par son autre extrémité avec une rondelle 35 en appui contre la came 18.The actuating means 19 are engaged on the speed chain of the vehicle: the block 27 shows diagrammatically the conventional speed gain, with an output pinion 28 which is used, in known manner, to control the tachometer needle 29 and the means 30 speed markers (illustrated schematically). A drum 31, the rotation of which is controlled by the pinion 28, by means of an auxiliary pinion 32, has a circular track interrupted by an inclined ramp notch 33. A lever 34, here articulated, cooperates at one end with the inclined ramp notch 33, and at its other end with a washer 35 bearing against the cam 18.

Ainsi, dès que la vitesse du véhicule franchit un seuil prédéterminé, c'est-à-dire lorsque le tambour 31 a tourné d'un angle suffisant pour que l'extrémité correspondante du levier 34 se dégage de l'encoche 33 (position illustrée en traits mixtes), l'autre extrémité du levier pousse la came 18 vers la came 5, contre l'action du ressort 26. Du fait du couplage des deux cames, la barrette 21 est toujours bien positionnée radialement, pour éviter une butée contre le galet 14 qui empêcherait la came 18 de coiffer la came 5 en position de conduite. Il est à noter que ceci ne dépend pas de celle des pistes de la came 5 contre laquelle s'appuie le galet 14 au moment où l'on passe en position de conduite.Thus, as soon as the speed of the vehicle crosses a predetermined threshold, that is to say when the drum 31 has turned by an angle sufficient for the corresponding end of the lever 34 to disengage from the notch 33 (position illustrated in dashed lines), the other end of the lever pushes the cam 18 towards the cam 5, against the action of the spring 26. Due to the coupling of the two cams, the bar 21 is always well positioned radially, to avoid a stop against the roller 14 which would prevent the cam 18 from covering the cam 5 in the driving position. It should be noted that this does not depend on that of the tracks of the cam 5 against which the roller 14 rests when one passes into the driving position.

Il est par ailleurs intéressant de prévoir en outre des moyens permettant une substitution automatique brusque des cames 5, 18 en position de conduite, dès qu'un seuil de vitesse très bas (0,1 km/h par exemple) est atteint. On peut prévoir par exemple un asservissement (non représenté) mettant en mouvement sur une courte plage angulaire la chaîne vitesse du véhicule, dès le franchissement de ce seuil bas ; la substitution brusque, obtenue ainsi artificiellement par des moyens électroniques de préférence à des moyens mécaniques, évite l'inconvénient d'une phase transitoire.It is also advantageous to further provide means allowing sudden automatic substitution of the cams 5, 18 in the driving position, as soon as a very low speed threshold (0.1 km / h for example) is reached. One can provide for example a servo (not shown) setting in motion over a short angular range the speed chain of the vehicle, upon crossing this low threshold; the sudden substitution, thus obtained artificially by electronic means in preference to mechanical means, avoids the disadvantage of a transient phase.

On peut par exemple organiser la commande de substitution en position de conduite de la façon suivante :

  • - véhicule à l'arrêt : l'aiguille du tachymètre est-en butée d'arrêt, affichant fictivement 8 km/h ;
  • - véhicule en avance très lente : dès 0,1 km/h en vitesse réelle, les moyens précités font avancer l'aiguille brusquement jusqu'à une vitesse fictive affichée de 11 km/h (cette avance provoquant la substitution des cames précédemment décrite, de sorte que le tracé corresponde à une position de conduite) ;
  • - véhicule en avance normale : dès que la vitesse réelle atteint le seuil de 11 km/h, l'aiguille du tachymètre affiche normalement la vitesse, au-delà des seuils fictifs précédents de 8 km/h et 11 km/h.
For example, the substitution command can be organized in the driving position as follows:
  • - vehicle stopped: the tachometer needle is at the stop, fictitiously displaying 8 km / h;
  • - vehicle in very slow advance: from 0.1 km / h at real speed, the aforementioned means cause the needle to suddenly advance to a fictitious speed displayed of 11 km / h (this advance causing the substitution of the cams described above, so that the course corresponds to a driving position);
  • - vehicle in normal advance: as soon as the actual speed reaches the threshold of 11 km / h, the tachometer hand normally displays the speed, beyond the previous fictitious thresholds of 8 km / h and 11 km / h.

Pour un enregistreur du type tachygraphe, il est prévu un boîtier (non représenté) dans lequel sont disposés les moyens enregistreurs 1, les moyens de commande 4, les cames 5 et 18 et les moyens d'actionnement 19, tandis qu'un capot articulé (non représenté) supporte la montre 3 et le disque porte-diagramme 2. La prise directe de mouvement sur la montre, pour commander la came 5 et les moyens inscripteurs 1, s'effectue ainsi dès la fermeture du capot articulé, duquel saille le pignon 6 en direction du boîtier ; ceci permet d'avoir sur le disque porte-diagramme un tracé épaissi lorsque le véhicule est à l'arrêt, ce tracé ayant une épaisseur propre à chaque position de la came 5, donc à chaque type d'utilisation pour le chauffeur. Dès que le véhicule est en marche, la came 18 se substitue automatiquement à la came 5 en coiffant celle-ci, et l'on obtient un tracé présentant une épaisseur encore différente, de sorte que la lecture du disque porte-diagramme est très aisée.For a tachograph type recorder, there is provided a housing (not shown) in which the recording means 1, the control means 4, the cams 5 and 18 and the actuating means 19 are arranged, while an articulated cover (not shown) supports the watch 3 and the diagram-carrying disc 2. The direct movement movement on the watch, to control the cam 5 and the writing means 1, is thus carried out as soon as the articulated cover is closed, from which the pinion 6 towards the housing; this makes it possible to have a thickened trace on the diagram-carrying disc when the vehicle is stopped, this trace having a thickness specific to each position of the cam 5, therefore to each type of use for the driver. As soon as the vehicle is running, the cam 18 automatically replaces the cam 5 by covering the latter, and a plot having an even different thickness is obtained, so that the reading of the diagram-carrying disc is very easy. .

Si l'on désire avoir une variante bi-chauffeurs, il suffit de prévoir une deuxième chaîne cinématique avec des moyens analogues. Il est rationnel alors que la deuxième chaîne utilise d'une part, pour les cames et les moyens inscripteurs qui lui sont propres, une prise de mouvement directe sur la montre (avec le pignon 9 par exemple), et d'autre part, pour le levier d'actionnement qui lui est propre, une prise de mouvement sur la chaîne vitesse du véhicule avec un tambour de commande commun.If it is desired to have a two-driver variant, it suffices to provide a second kinematic chain with similar means. It is rational while the second chain uses on the one hand, for the cams and the writing means which are specific to it, a direct power take-off on the watch (with the pinion 9 by example), and on the other hand, for the actuation lever which is specific to it, a power take-off on the speed chain of the vehicle with a common control drum.

Pour le ou les disques porte-diagramme, on peut adopter, avec une came 5 à trois pistes dont une est circulaire, le mode de tracé des temps-chauffeurs suivant selon quatre épaisseurs :

  • - tracé fin en position de repos (illustrée par le symole )
  • - tracé de 0,8 mm en position de travail 1, par exemple chargement/déchargement, (illustrée par le symbole )
  • - tracé de 1,6 mm en position de travail 2, par exemple réparation (illustrée par le symbole ).
  • - tracé de 2,4 mm en position de conduite, dont l'enregistrement est commandé automatiquement quel que soit le type d'utilisation à l'arrêt (illustrée par le symbole ).
For the diagram-carrying disc (s), it is possible to adopt, with a cam 5 with three tracks, one of which is circular, the mode of plotting the following driver-times according to four thicknesses:
  • - fine line in rest position (illustrated by the symbol)
  • - 0.8 mm line in working position 1, for example loading / unloading, (illustrated by the symbol)
  • - 1.6 mm line in working position 2, for example repair (illustrated by the symbol).
  • - 2.4 mm track in the driving position, the recording of which is automatically controlled regardless of the type of use when stationary (illustrated by the symbol).

L'invention n'est pas limitée au mode de réalisation qui vient d'être décrit, mais englobe toute variante qui reprendrait, avec des moyens équivalents, les caractéristiques essentielles figurant aux revendications.The invention is not limited to the embodiment which has just been described, but encompasses any variant which would take up, with equivalent means, the essential characteristics appearing in the claims.

Claims (12)

1) Dispositif d'inscription pour enregistreurs de route, pouvant entrer en action automatiquement dès que le véhicule est en marche, comportant des moyens inscripteurs pour l'obtention d'un tracé d'enregistrement sur un disque porte-diagramme et une came de guidage à plusieurs positions coopérant avec les moyens inscripteurs de façon à obtenir un tracé rendant ainsi compte des différents types d'utilisation du véhicule, caractérisé par le fait qu'il comporte des moyens supplémentaires de guidage (18) pouvant se substituer à la came de guidage (5) à plusieurs positions, et ce dans n'importe laquelle desdites positions, et des moyens d'actionnement (19), commandés par la chaîne vitesse du véhicule (27, 28), réalisant automatiquement ladite substitution dès que le véhicule est en marche pour que les moyens inscripteurs (1) produisent un tracé correspondant à une position de conduite. 1 ) Registration device for route recorders, capable of entering into action automatically as soon as the vehicle is in motion, comprising writing means for obtaining a recording trace on a chart-holding disc and a guide cam at several positions cooperating with the writing means so as to obtain a layout thus accounting for the different types of use of the vehicle, characterized in that it comprises additional guide means (18) which can replace the guide cam (5) at several positions, and in any of said positions, and actuating means (19), controlled by the vehicle speed chain (27, 28), automatically performing said substitution as soon as the vehicle is in step so that the writing means (1) produce a path corresponding to a driving position. 2) Dispositif d'inscription selon la revendication 1, caractérisé par le fait que les moyens supplémentaires de guidage sont essentiellement constitués par une came supplémentaire (18) coaxiale à la came de guidage à plusieurs positions (5), dont le rayon intérieur permet de coiffer ladite came à plusieurs positions pour se substituer à celle-ci automatiquement en position de conduite.2) A recording device according to claim 1, characterized in that the additional guide means essentially consist of an additional cam (18) coaxial with the guide cam with several positions (5), the internal radius of which makes it possible to cover said cam in several positions to replace it automatically in the driving position. 3) Dispositif d'inscription selon la revendication 2, caractérisé par le fait que la came supplémentaire (18) comporte une bague support (20) pouvant coulisser sur le tourillon (11) de la came à plusieurs positions, et une barrette latérale (21) dont la section transversale a la forme d'un ménisque, ladite barrette coopérant automatiquement avec les moyens inscripteurs (1) en position de conduite pour l'obtention d'un tracé d'épaisseur supérieure à celle des tracés obtenus avec la came à plusieurs postons.3) A recording device according to claim 2, characterized in that the additional cam (18) comprises a support ring (20) which can slide on the pin (11) of the cam in several positions, and a lateral bar (21 ) whose cross section has the shape of a meniscus, said bar automatically cooperating with the writing means (1) in the driving position to obtain a trace of thickness greater than that of the traces obtained with the cam with several let's post. 4) Dispositif d'inscription selon l'une des revendications 2 et 3, caractérisé par le fait que la came (5) à plusieurs positions et la came supplémentaire (18) sont solidaires en rotation.4) Registration device according to one of claims 2 and 3, characterized in that the cam (5) in several positions and the additional cam (18) are integral in rotation. 5) Dispositif d'inscription selon l'une des revendications 2 à 4, caractérisé par le fait que la came (5) à plusieurs positions et la came supplémentaire (18) sont soumises à l'action d'un ressort (26) tendant à les éloigner l'une de l'autre.5) A recording device according to one of claims 2 to 4, characterized in that the cam (5) in several positions and the additional cam (18) are subjected to the action of a tensioning spring (26) to keep them away from each other. 6) Dispositif d'inscription selon l'une des revendications 1 à 5, caractérisé par le fait que les moyens d'actionnement (19) permettant la substitution automatique en position de conduite comportent essentiellement un tambour (31) dont la rotation est commandée par la chaîne vitesse du véhicule et un levier (34) coopérant par une extrémité avec ledit tambour et par l'autre extrémité avec les moyens supplémentaires de guidage (18) de façon que cette substitution intervienne dès que la vitesse du véhicule franchit un seuil prédéterminé.6) A recording device according to one of claims 1 to 5, characterized in that the actuating means (19) allowing automatic substitution in the driving position essentially comprise a drum (31) whose rotation is controlled by the vehicle speed chain and a lever (34) cooperating at one end with said drum and at the other end with the additional guide means (18) so that this substitution occurs as soon as the speed of the vehicle crosses a predetermined threshold. 7) Dispositif d'inscription selon la revendication 6, caractérisé par le fait que le tambour (31) présente une piste circulaire contre laquelle l'extrémité associée du levier (34) est en appui, ladite piste étant interrompue par une encoche à rampe inclinée (33) pouvant coopérer avec ladite extrémité lorsque la vitesse du véhicule passe de zéro au seuil de vitesse prédéterminé.7) A recording device according to claim 6, characterized in that the drum (31) has a circular track against which the associated end of the lever (34) is supported, said track being interrupted by a notch with an inclined ramp (33) being able to cooperate with said end when the vehicle speed goes from zero to the predetermined speed threshold. 8) Dispositif d'inscription selon l'une des revendications 6 et 7, caractérisé par le fait que le tambour (31) porte l'axe de l'aiguille indicatrice du tachymètre.8) A recording device according to one of claims 6 and 7, characterized in that the drum (31) carries the axis of the indicator needle of the tachometer. 9) Dispositif d'inscription selon l'une des revendications 1 à 8, caractérisé par le fait qu'il comporte en outre des moyens permettant une substitution automatique brusque en position de conduite dès qu'un seuil de vitesse très bas est atteint, par exemple 0,1 km/h.9) A recording device according to one of claims 1 to 8, characterized in that it further comprises means allowing sudden automatic substitution in the driving position as soon as a very low speed threshold is reached, by example 0.1 km / h. 10) Dispositif d'inscription selon la revendication 9, caractérisé par le fait que ces moyens comprennent essentiellement un asservissement mettant en mouvement sur une courte plage angulaire la chaîne vitesse du véhicule dès le franchissement du seuil de vitesse, ladite plage angulaire étant suffisante pour que la substitution automatique soit réalisée.10) A recording device according to claim 9, characterized in that these means essentially comprise a servo setting in motion over a short angular range the speed chain of the vehicle from the crossing of the speed threshold, said angular range being sufficient for that automatic substitution is performed. 11) Dispositif d'inscription selon l'une des revendications 1 à 10, caractérisé par le fait que les moyens inscripteurs, de guidage et d'actionnement sont dédoublés pour un enregistrement sur deux disques porte-diagramme, de façon à distinguer l'utilisation du véhicule par l'un de deux chauffeurs, la chaîne vitesse du véhicule (27, 28) commandant les moyens d'actionnement pour la substitution automatique dans l'une quelconque des deux chaînes cinématiques.11) A recording device according to one of claims 1 to 10, characterized in that the writing, guiding and actuating means are split for recording on two diagram-carrying discs, so as to distinguish the use of the vehicle by one of two drivers, the vehicle speed chain (27, 28) controlling the actuation means for automatic substitution in any one of the two kinematic chains. 12) Dispositif d'inscription selon l'une des revendications 6 à 10, et la revendication 11, caractérisé par le fait que le tambour de commande (31) est commun aux deux chaînes cinématiques, le dédoublement intervenant pour le levier, les moyens de guidage et les moyens inscripteurs.12) A recording device according to one of claims 6 to 10, and claim 11, characterized in that the control drum (31) is common to the two kinematic chains, the duplication occurring for the lever, the means of guidance and listing means.
EP85402369A 1984-12-05 1985-12-02 Tachograph registering device automatically actuated immediately the vehicle starts moving Expired EP0186557B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8418545 1984-12-05
FR8418545A FR2574199B1 (en) 1984-12-05 1984-12-05 REGISTRATION DEVICE FOR ROUTE RECORDERS, CAPABLE OF ACTING AUTOMATICALLY AS SOON AS THE VEHICLE IS OPERATING

Publications (2)

Publication Number Publication Date
EP0186557A1 true EP0186557A1 (en) 1986-07-02
EP0186557B1 EP0186557B1 (en) 1989-05-17

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Application Number Title Priority Date Filing Date
EP85402369A Expired EP0186557B1 (en) 1984-12-05 1985-12-02 Tachograph registering device automatically actuated immediately the vehicle starts moving

Country Status (6)

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EP (1) EP0186557B1 (en)
KR (1) KR940004216B1 (en)
DE (1) DE3570303D1 (en)
ES (1) ES8707356A1 (en)
FR (1) FR2574199B1 (en)
TR (1) TR22775A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658937A1 (en) * 1990-02-28 1991-08-30 Jaeger INSPECTOR DEVICE FOR VEHICLE ROAD RECORDERS WHICH MAY ENTER INTO ACTION AUTOMATICALLY WHILE THE VEHICLE IS ON AND ALSO WHEN THE VEHICLE IS STOPPED.
WO1997010574A1 (en) * 1995-09-15 1997-03-20 Tvi Europe Limited Tachograph with phase correction

Citations (9)

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Publication number Priority date Publication date Assignee Title
FR2014574A1 (en) * 1968-07-11 1970-04-17 Kienzle Apparate Gmbh
CH501925A (en) * 1969-07-09 1971-01-15 Kienzle Apparate Gmbh Recording drive for tachograph
BE772432A (en) * 1971-09-10 1972-03-10 Concentration Ind En Abrege Ce DEVICE FOR CONTROL AND SAFETY IN ROAD TRANSPORT
US3683399A (en) * 1970-08-25 1972-08-08 Wagner Electric Corp Information recorder
FR2188880A5 (en) * 1972-06-08 1974-01-18 Nauder Ets
FR2203549A5 (en) * 1972-10-11 1974-05-10 Kienzle Apparate Gmbh
DE2353988A1 (en) * 1973-10-27 1975-05-07 Moto Meter Gmbh Variable bar chart recording instrument - has trace amplitude controlled by adjustable multi-step cam
GB2067291A (en) * 1980-01-09 1981-07-22 Jaeger Device for controlling the positioning of the pen of a tachograph
EP0126374A2 (en) * 1983-05-21 1984-11-28 Mannesmann Kienzle GmbH Registering device for a tachograph

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2014574A1 (en) * 1968-07-11 1970-04-17 Kienzle Apparate Gmbh
CH501925A (en) * 1969-07-09 1971-01-15 Kienzle Apparate Gmbh Recording drive for tachograph
US3683399A (en) * 1970-08-25 1972-08-08 Wagner Electric Corp Information recorder
BE772432A (en) * 1971-09-10 1972-03-10 Concentration Ind En Abrege Ce DEVICE FOR CONTROL AND SAFETY IN ROAD TRANSPORT
FR2188880A5 (en) * 1972-06-08 1974-01-18 Nauder Ets
FR2203549A5 (en) * 1972-10-11 1974-05-10 Kienzle Apparate Gmbh
DE2353988A1 (en) * 1973-10-27 1975-05-07 Moto Meter Gmbh Variable bar chart recording instrument - has trace amplitude controlled by adjustable multi-step cam
GB2067291A (en) * 1980-01-09 1981-07-22 Jaeger Device for controlling the positioning of the pen of a tachograph
EP0126374A2 (en) * 1983-05-21 1984-11-28 Mannesmann Kienzle GmbH Registering device for a tachograph

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658937A1 (en) * 1990-02-28 1991-08-30 Jaeger INSPECTOR DEVICE FOR VEHICLE ROAD RECORDERS WHICH MAY ENTER INTO ACTION AUTOMATICALLY WHILE THE VEHICLE IS ON AND ALSO WHEN THE VEHICLE IS STOPPED.
EP0445031A1 (en) * 1990-02-28 1991-09-04 Jaeger Tachograph inscription device, automatically operated as soon as a vehicle starts moving or is in a stationary position
WO1997010574A1 (en) * 1995-09-15 1997-03-20 Tvi Europe Limited Tachograph with phase correction

Also Published As

Publication number Publication date
EP0186557B1 (en) 1989-05-17
KR940004216B1 (en) 1994-05-17
FR2574199B1 (en) 1987-02-27
FR2574199A1 (en) 1986-06-06
TR22775A (en) 1988-07-18
ES550410A0 (en) 1987-07-16
KR860005311A (en) 1986-07-21
ES8707356A1 (en) 1987-07-16
DE3570303D1 (en) 1989-06-22

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