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EP0389739B1 - Analogical display module for a clockwork movement - Google Patents

Analogical display module for a clockwork movement Download PDF

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Publication number
EP0389739B1
EP0389739B1 EP90100399A EP90100399A EP0389739B1 EP 0389739 B1 EP0389739 B1 EP 0389739B1 EP 90100399 A EP90100399 A EP 90100399A EP 90100399 A EP90100399 A EP 90100399A EP 0389739 B1 EP0389739 B1 EP 0389739B1
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EP
European Patent Office
Prior art keywords
module
fact
display
cam
sector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90100399A
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German (de)
French (fr)
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EP0389739A1 (en
Inventor
Gérald Dubois
François Berthoud
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LE PHARE-JEAN D'EVE SA
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LE PHARE-JEAN D'EVE SA
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Publication of EP0389739A1 publication Critical patent/EP0389739A1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/087—Geometrical arrangement of the graduations with several separate scales

Definitions

  • the present invention relates to an analog display module comprising a dial, hands and a mechanism for driving its hands from a PTO of a clockwork movement, generally constituted by the roadway performing a tour in one hour.
  • This display module is intended to be fixed to the clockwork movement in place of the usual dial and hands and aims to achieve a new type of time display which allows a new arrangement of the dial and the hands creating a completely new aesthetic for the watch.
  • This analog display module is distinguished by the characteristics described and claimed in the following.
  • Figure 1 is a plan view of the dial and hands of a first embodiment of the display module.
  • Figure 2 is a plan view of the dial and hands of a second embodiment of the display module.
  • Figure 3 is a partial section along line III - III of Figure 4 illustrating the needle drive mechanism of the second embodiment of the display module.
  • Figure 4 is a bottom view of the mechanism of the second embodiment of the display module.
  • Figures 5 and 6 are views similar to Figures 3 and 4 illustrating a variant of the mechanism of the second embodiment of the display module.
  • FIG. 7 illustrates the dial and the hands of a third embodiment of the display module.
  • Figure 8 is a partial section along line VIII - VIII of Figure 9 of the needle drive mechanism of the third embodiment of the display module.
  • Figure 9 is a partial bottom view of the third embodiment of the display module.
  • the first embodiment of the display module illustrated in FIG. 1, comprises a dial 1 comprising a graduation representing the hours formed by four circular sectors 2,3,4,5 arranged symmetrically with respect to the center 6 of the dial 1 and each representing a duration of three hours. Each of these time sectors 2,3,4,5 cooperates with a hand 7,8,9,10 respectively pivoted near the four corners of the dial 1.
  • the time sector 2 and the hand 7 allow the display of the time between noon or midnight and three hours; sector 3 and hand 8 the time display between three and six hours; sector 4 and hand 9 display the time between six and nine o'clock and sector 5 and hand 10 display the time between nine o'clock and noon or midnight.
  • Each of these time sectors and the hand associated therewith constitutes a retrograde time display lasting at least three hours.
  • the time display of this second embodiment of the module is identical to that of the first embodiment except that a fifth hand 11 pivoted in the center cooperates with a concentric scale 12 to indicate the minutes.
  • the display module comprises a base plate 13 fixed by any known means to the clock movement 14, the pavement 15 of which serves as a PTO, performing a revolution in one hour, for driving the mechanism of the module. display.
  • This carriageway 15 carries the minute hand 11 at its upper end.
  • This roadway 15 is connected by the usual cogs of the timer (not shown) of the movement 14 to the hour wheel 16, secured to a barrel, pivoted madly around the roadway 15.
  • a disc 17 is made integral with the barrel of the hour wheel 16 and its upper surface constitutes a coupling of the Bréguet type, that is to say a wolf tooth, with a hub 18 pivoted idly on said barrel and applied against the disc 17 by a cup spring 19 supported by the dial 1.
  • the hub 18 is driven by friction or at least by a clutch system allowing a relative angular movement between the disc 17 rigidly fixed to the hour wheel and this hub 18 in the event of excessive torque, in particular during reset. the time in the opposite direction to the time indications.
  • the hub 18 is integral with a snail cam 20 having a circular peripheral portion, concentric with the hub 18 over approximately three quarters of its periphery and a lift 21 extending over a little more than a quarter of its periphery, the last portion 22 of this lift 21 being concentric with the hub 18.
  • This cam 20, 21, 22 makes a revolution in twelve hours and its periphery cooperates with four levers 23, 24, 25, 26 each pivoted on a pin 27 driven into the base plate 13 of the module and held in place with screws 28.
  • Each of these levers 23 - 26 has a spout 29 at one of its ends and a toothed sector 30 at its other end.
  • Hairpin springs 31 fixed on a pin 32 driven into the base plate 13 bearing on a fixed stop 33 and on a stud 34 of each lever and thus tend to maintain the spout 29 of each of these levers 23 - 26 against the periphery of the cam 20.
  • Each needle 7,8,9,10 is carried by a mobile 35 pivoted on an axis 36 driven into the base plate 13 with which it remains in contact with the effect of a spring 37 bearing under the dial 1.
  • the teeth of each of these mobiles 35 are engaged with the toothed sector 30 of the corresponding lever 23 - 26.
  • the position of the mechanism illustrated in Figure 4 corresponds to the indication of three hours.
  • the beak 29 of the lever 23 driving the needle 7 is at the maximum of the lift 21, it approaches the concentric portion 22 of this lift so that the needle 7 indicates three hours.
  • the lever 24 actuating the needle 8 begins to be actuated by the lever 21.
  • the needle 7 remains for three hours while the needle 8 advances towards four o'clock.
  • the beak 29 of the lever 23 escapes lifting 21 and the hand 7 instantly returns to its initial position indicating twelve hours.
  • the user can thus read the time successively on the four parts of the time indicator 2.7; 3.8; 4.9 and 5.10 without there being a solution of continuity, the needle of the preceding sector remaining at the end of the race the time necessary for the needle of the following display sector to have advanced sufficiently so that there is no ambiguity on the sector which must be considered for the indication of the time at any time.
  • the minutes are displayed by the central display 11,12.
  • FIG. 1 which does not include an indication of the minutes, the mechanism is identical to that which has just been described except that the roadway 15 does not carry a needle.
  • the base plate 13 of the display module has an opening 36 and the dial 1 a window 37 allowing the user to see an indication of the dates of movement 14 through the display module.
  • FIGS. 5 and 6 illustrate a variant of the mechanism of this second embodiment of the display module in which the hub 18 is directly integral with the roadway 15.
  • the dial 1 comprises four displays of the retrograde sector type located in the four corners of the dial, each comprising a minute scale 50,51,52,53 and a corresponding minute hand 54 , 55.56 and 57.
  • the dial is provided with a central concentric hour display comprising a graduation 58 and a hour hand 59.
  • Each retrograde sector display corresponds to a quarter of an hour and the indications follow one another to display the sixty minutes an hour.
  • the mechanism of this embodiment of the display module is of the type described with reference to FIGS. 5 and 6 except that the cam 20 is integral with the carriageway 15 which is pivoted madly on a barrel 60 integral with the upper bridge 61 of the watch movement.
  • the hands 54 to 57 clearly indicating the minutes the cam 20 performing a complete revolution in one hour.
  • the central hour hand 59 is carried by a mobile 62 idly pivoted on the upper end of the roadway 15.
  • the toothing 63 of this mobile 62 is engaged with the toothing of a pinion 64 pivoted in a barrel 65 driven into a bore in the cam 20.
  • a second pinion 66 is also pivoted in this barrel 65, located on the other side of the cam 20, and meshes with a pinion 67 secured to the hour wheel 16.
  • the ratio introduced by this chain cynematic is 1: 1 so that the hand 59 rotates at the same speed as the hour wheel 16 which it is driven by a clockwork from the minute wheel of the movement, at the rate of one lap for twelve hours.
  • this display module driven by any conventional clockwork movement, mechanical, automatic or quartz, we obtain a completely new time display mode allowing a revolutionary appearance and design of the watch face.
  • a display module which in principle consists of comprising several displays with a retrograde sector each comprising a mobile display member cooperating with at least one fixed reference, the time indications provided by each retrograde sector display relating to fractions of days, respectively of hours succeeding one another without discontinuity.
  • a fixed index can be provided on the dial cooperating with a mobile scale, without making any changes in principle to the mechanism of the module.
  • four eccentric stops 100, 101, 102 and 103, fixed in plate 13 operate as four stops when the respective levers are in position dropped under the effect of their respective spring 31.
  • These stops have eccentric pivots, it is possible to turn them individually and thus adjust each lever so as to leave a slight space between the spouts 29 of the levers and the low position of the cam 20, in order to reduce the friction of the spouts on the cam, thus eliminating the friction of three or at least two spouts out of four.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

It comprises several displays with a retrograde sector each comprising a movable display member (7-10) interacting with at least one fixed reference point (2-5). The hour indications supplied by each display with a retrograde sector relate to fractions of a day or of an hour, respectively, following on from each other without interruption. <IMAGE>

Description

La présente invention se rapporte à un module d'affichage analogique comportant un cadran, des aiguilles et un mécanisme d'entraînement de ses aiguilles à partir d'une prise de force d'un mouvement d'horlogerie, généralement constituée par la chaussée effectuant un tour en une heure. Ce module d'affichage est destiné à être fixé sur le mouvement d'horlogerie à la place du cadran et des aiguilles usuel les et a pour but la réalisation d'un nouveau type d'affichage horaire qui permette une nouvelle disposition du cadran et des aiguilles créant une esthétique totalement nouvelle de la montre.The present invention relates to an analog display module comprising a dial, hands and a mechanism for driving its hands from a PTO of a clockwork movement, generally constituted by the roadway performing a tour in one hour. This display module is intended to be fixed to the clockwork movement in place of the usual dial and hands and aims to achieve a new type of time display which allows a new arrangement of the dial and the hands creating a completely new aesthetic for the watch.

Ce module d'affichage analogique se distingue par les caractéristiques décrites et revendiquées dans ce qui suit.This analog display module is distinguished by the characteristics described and claimed in the following.

Le dessin annexé illustre schématiquement et à titre d'exemple trois formes d'exécution du module d'affichage selon la présente invention.The accompanying drawing illustrates schematically and by way of example three embodiments of the display module according to the present invention.

La figure 1 est une vue en plan du cadran et des aiguilles d'une première forme d'exécution du module d'affichage.Figure 1 is a plan view of the dial and hands of a first embodiment of the display module.

La figure 2 est une vue en plan du cadran et des aiguilles d'une seconde forme d'exécution du module d'affichage.Figure 2 is a plan view of the dial and hands of a second embodiment of the display module.

La figure 3 est une coupe partielle suivant la ligne III - III de la figure 4 illustrant le mécanisme d'entraînement des aiguilles de la seconde forme d'exécution du module d'affichage.Figure 3 is a partial section along line III - III of Figure 4 illustrating the needle drive mechanism of the second embodiment of the display module.

La figure 4 est une vue de dessous du mécanisme de la seconde forme d'exécution du module d'affichage.Figure 4 is a bottom view of the mechanism of the second embodiment of the display module.

Les figures 5 et 6 sont des vues semblables aux figures 3 et 4 illustrant une variante du mécanisme de la seconde forme d'exécution du module d'affichage.Figures 5 and 6 are views similar to Figures 3 and 4 illustrating a variant of the mechanism of the second embodiment of the display module.

La figure 7 illustre le cadran et les aiguilles d'une troisième forme d'exécution du module d'affichage.FIG. 7 illustrates the dial and the hands of a third embodiment of the display module.

La figure 8 est une coupe partielle suivant la ligne VIII - VIII de la figure 9 du mécanisme d'entraînement des aiguilles de la troisième forme d'exécution du module d'affichage.Figure 8 is a partial section along line VIII - VIII of Figure 9 of the needle drive mechanism of the third embodiment of the display module.

La figure 9 est une vue partielle de dessous de la troisième forme d'exécution du module d'affichage.Figure 9 is a partial bottom view of the third embodiment of the display module.

La première forme d'exécution du module d'affichage, illustrée à la figure 1, comporte un cadran 1 comportant une graduation représentant les heures formées par quatre secteurs circulaires 2,3,4,5 disposés symétriquement par rapport au centre 6 du cadran 1 et représentant chacun une durée de trois heures. Chacun de ces secteurs horaire 2,3,4,5 coopère avec une aiguille 7,8,9,10 respectivement pivotée à proximité des quatres coins du cadran 1.The first embodiment of the display module, illustrated in FIG. 1, comprises a dial 1 comprising a graduation representing the hours formed by four circular sectors 2,3,4,5 arranged symmetrically with respect to the center 6 of the dial 1 and each representing a duration of three hours. Each of these time sectors 2,3,4,5 cooperates with a hand 7,8,9,10 respectively pivoted near the four corners of the dial 1.

Le secteur horaire 2 et l'aiguille 7 permettent l'affichage de l'heure entre midi ou minuit et trois heures; le secteur 3 et l'aiguille 8 l'affichage de l'heure entre trois et six heures; le secteur 4 et l'aiguille 9 l'affichage de l'heure entre six et et neuf heures et le secteur 5 et l'aiguille 10 l'affichage de l'heure entre neuf heures et midi ou minuit.The time sector 2 and the hand 7 allow the display of the time between noon or midnight and three hours; sector 3 and hand 8 the time display between three and six hours; sector 4 and hand 9 display the time between six and nine o'clock and sector 5 and hand 10 display the time between nine o'clock and noon or midnight.

Chacun de ces secteurs horaires et l'aiguille qui lui est associée constitue un affichage horaire rétrograde d'une durée de trois heures au moins.Each of these time sectors and the hand associated therewith constitutes a retrograde time display lasting at least three hours.

Le mécanisme pour l'entraînement de ces aiguilles 7,8,9, et 10 à secteur rétrogade est pratiquement identique à celui de la seconde forme d'exécution du module d'affichage illustré aux figures 2,3 et 4 et sera décrit dans le cadre de cette seconde forme d'exécution.The mechanism for driving these needles 7,8,9, and 10 with retrograde sector is practically identical to that of the second embodiment of the display module illustrated in FIGS. 2, 3 and 4 and will be described in the context of this second embodiment.

L'affichage horaire de cette seconde forme d'exécution du module est identique à celui de la première forme d'exécution au fait près qu'une cinquième aiguille 11 pivotée au centre coopère avec une graduation concentrique 12 pour indiquer les minutes.The time display of this second embodiment of the module is identical to that of the first embodiment except that a fifth hand 11 pivoted in the center cooperates with a concentric scale 12 to indicate the minutes.

Le mécanisme du module d'affichage entraînant les aiguilles 7,8,9,10 et 11 sera maintenant décrit en référence aux figures 3 et 4.The mechanism of the display module driving the hands 7,8,9,10 and 11 will now be described with reference to FIGS. 3 and 4.

Le module d'affichage comporte une plaque de base 13 fixée par tous moyens connus sur le mouvememnt d'horlogerie 14 dont la chaussée 15 sert de prise de force, effectuant une révolution en une heure, pour l'entraînement du mécanisme du module d'affichage. Cette chaussée 15 porte à son extrémité supérieure l'aiguille des minutes 11.The display module comprises a base plate 13 fixed by any known means to the clock movement 14, the pavement 15 of which serves as a PTO, performing a revolution in one hour, for driving the mechanism of the module. display. This carriageway 15 carries the minute hand 11 at its upper end.

Cette chaussée 15 est reliée par les rouages habituels de la minuterie (non illustrés) du mouvement 14 à la roue des heures 16, solidaire d'un canon, pivotée folle autour de la chaussée 15.This roadway 15 is connected by the usual cogs of the timer (not shown) of the movement 14 to the hour wheel 16, secured to a barrel, pivoted madly around the roadway 15.

Un disque 17 est rendu solidaire du canon de la roue des heures 16 et sa surface supérieure constitue un accouplement du type Bréguet, soit à dent de loup, avec un moyeu 18 pivoté fou sur ledit canon et appliqué contre le disque 17 par un ressort cuvette 19 prennant appui sous le cadran 1.A disc 17 is made integral with the barrel of the hour wheel 16 and its upper surface constitutes a coupling of the Bréguet type, that is to say a wolf tooth, with a hub 18 pivoted idly on said barrel and applied against the disc 17 by a cup spring 19 supported by the dial 1.

Ainsi le moyeu 18 est entraîné à friction ou tout au moins par un système d'embrayage permettant un mouvement angulaire relatif entre le disque 17 fixé rigidement à la roue des heures et ce moyeu 18 en cas de couple excessif, notamment lors de la remise à l'heure dans le sens contraire des indications horaires.Thus the hub 18 is driven by friction or at least by a clutch system allowing a relative angular movement between the disc 17 rigidly fixed to the hour wheel and this hub 18 in the event of excessive torque, in particular during reset. the time in the opposite direction to the time indications.

Le moyeu 18 est solidaire d'une came escargot 20 présentant une portion périphérique circulaire, concentrique au moyeu 18 sur approximativement trois quart de son pourtour et une levée 21 s'étendant sur un peu plus d'un quart de son pourtour, la dernière portion 22 de cette levée 21 étant concentrique au moyeu 18. Cette came 20,21,22 effectue un tour en douze heures et sa périphérie coopère avec quatre leviers 23,24,25,26 pivotés chacun sur un tourillon 27 chassé dans la plaque de base 13 du module et maintenu à l'aide de vis 28.The hub 18 is integral with a snail cam 20 having a circular peripheral portion, concentric with the hub 18 over approximately three quarters of its periphery and a lift 21 extending over a little more than a quarter of its periphery, the last portion 22 of this lift 21 being concentric with the hub 18. This cam 20, 21, 22 makes a revolution in twelve hours and its periphery cooperates with four levers 23, 24, 25, 26 each pivoted on a pin 27 driven into the base plate 13 of the module and held in place with screws 28.

Chacun de ces leviers 23 - 26 comporte un bec 29 à l'une de ses extrémités et un secteur denté 30 à son autre extrémité. Des ressorts 31 en épingle à cheveu fixés sur une goupille 32 chassée dans la plaque de base 13 prenant appui sur une butée fixe 33 et sur un téton 34 de chaque levier et tendent ainsi à maintenir le bec 29 de chacun de ces leviers 23 - 26 contre la périphérie de la came 20.Each of these levers 23 - 26 has a spout 29 at one of its ends and a toothed sector 30 at its other end. Hairpin springs 31 fixed on a pin 32 driven into the base plate 13 bearing on a fixed stop 33 and on a stud 34 of each lever and thus tend to maintain the spout 29 of each of these levers 23 - 26 against the periphery of the cam 20.

Chaque aiguille 7,8,9,10 est portée par un mobile 35 pivoté sur un axe 36 chassé dans la plaque de base 13 avec laquelle il reste en contact du à l'effet d'un ressort 37 prenant appui sous le cadran 1. La denture de chacun de ces mobiles 35 est en prise avec le secteur denté 30 du levier 23 - 26 correspondant.Each needle 7,8,9,10 is carried by a mobile 35 pivoted on an axis 36 driven into the base plate 13 with which it remains in contact with the effect of a spring 37 bearing under the dial 1. The teeth of each of these mobiles 35 are engaged with the toothed sector 30 of the corresponding lever 23 - 26.

La position du mécanisme illustré à la figure 4 correspond à l'indication de trois heures. Le bec 29 du levier 23 entraînant l'aiguille 7 est au maximum de la levée 21, il aborde la portion 22 concentrique de cette levée de sorte que l'aiguille 7 indique trois heures. A cet instant le levier 24 actionnant l'aiguille 8 commence à être actionnée par la levée 21. Pendant deux à quinze minutes, correspondant à la partie concentrique 22 de la levée 21, l'aiguille 7 reste sur trois heures tandis que l'aiguille 8 avance en direction de quatre heures. Ensuite le bec 29 du levier 23 échappe à la levée 21 et l'aiguille 7 revient instantanément à sa position initiale indiquant douze heures.The position of the mechanism illustrated in Figure 4 corresponds to the indication of three hours. The beak 29 of the lever 23 driving the needle 7 is at the maximum of the lift 21, it approaches the concentric portion 22 of this lift so that the needle 7 indicates three hours. At this instant the lever 24 actuating the needle 8 begins to be actuated by the lever 21. For two to fifteen minutes, corresponding to the concentric part 22 of the lever 21, the needle 7 remains for three hours while the needle 8 advances towards four o'clock. Then the beak 29 of the lever 23 escapes lifting 21 and the hand 7 instantly returns to its initial position indicating twelve hours.

L'usager peut ainsi lire l'heure successivement sur les quatres partie de l'indicateur horaire 2,7; 3,8; 4,9 et 5,10 sans qu'il y ait de solution de continuité, l'aiguille du secteur précédent restant en fin de course le temps nécessaire à ce que l'aiguille du secteur d'affichage suivant ait suffisamment avancé pour qu'il n'y ait aucune ambiguïté sur le secteur qui doit être considéré pour l'indication de l'heure à chaque instant. Les minutes sont affichées par l'affichage central 11,12.The user can thus read the time successively on the four parts of the time indicator 2.7; 3.8; 4.9 and 5.10 without there being a solution of continuity, the needle of the preceding sector remaining at the end of the race the time necessary for the needle of the following display sector to have advanced sufficiently so that there is no ambiguity on the sector which must be considered for the indication of the time at any time. The minutes are displayed by the central display 11,12.

Dans la première forme d'exécution, figure 1, qui ne comporte pas d'indication des minutes, le mécanisme est identique à celui qui vient d'être décrit au fait près que la chaussée 15 ne porte pas d'aiguille.In the first embodiment, FIG. 1, which does not include an indication of the minutes, the mechanism is identical to that which has just been described except that the roadway 15 does not carry a needle.

La plaque de base 13 du module d'affichage comporte une ouverture 36 et le cadran 1 un guichet 37 permettant à l'usager de voir une indication de quantièmes du mouvement 14 à travers le module d'affichage.The base plate 13 of the display module has an opening 36 and the dial 1 a window 37 allowing the user to see an indication of the dates of movement 14 through the display module.

Les figures 5 et 6 illustrent une variante du mécanisme de cette seconde forme d'exécution du module d'affichage dans laquelle le moyeu 18 est directement solidaire de la chaussée 15.FIGS. 5 and 6 illustrate a variant of the mechanism of this second embodiment of the display module in which the hub 18 is directly integral with the roadway 15.

Le principe du mécanisme et la grande partie de sa réalisation sont les même que ceux décrits précédemment. Simplement du fait que la came 20 est solidaire rigidement de la chaussée 15 les becs 29 de chaque levier 23 - 26 sont portés par des pièces 40 articulées sur l'extrémité des leviers en 41. Ces pièces 40 portent une goupille 42 et sont soumises à l'action d'un ressort 43 tendant à les maintenir en position de service, la goupille 42 étant en appui contre le levier 23 - 26 correspondant.The principle of the mechanism and most of its implementation are the same as those described above. Simply because the cam 20 is rigidly integral with the roadway 15 the spouts 29 of each lever 23 - 26 are carried by parts 40 articulated on the end of the levers at 41. These parts 40 carry a pin 42 and are subjected to the action of a spring 43 tending to maintain them in the service position, the pin 42 being in abutment against the corresponding lever 23 - 26.

Ainsi lors de la mise à l'heure, notamment dans le sens contraire de l'affichage horaire normal, lorsque les becs 29 butent contre la face 44 de la levée 21 de la came 20 les pièces 40 sont déplacées contre l'action de leur ressort 43 puis reviennent en position de service. On évite ainsi toute détérioration possible du mécanisme.So when setting the time, especially in the opposite direction normal time display, when the spouts 29 abut against the face 44 of the lift 21 of the cam 20 the parts 40 are moved against the action of their spring 43 then return to the service position. This avoids any possible deterioration of the mechanism.

Dans la troisième forme d'exécution du module d'affichage le cadran 1 comporte quatre affichages du type à secteur rétrograde situés dans les quatre coins du cadran comportant chacun une graduation de minutes 50,51,52,53 et une aiguille de minutes correspondante 54,55,56 et 57. Le cadran est muni d'un affichage concentrique central des heures comportant une graduation 58 et une aiguile des heures 59. Chaque affichage à secteur rétrograde correspond à un quart d'heure et les indications se succèdent pour afficher les soixantes minutes de l'heure.In the third embodiment of the display module, the dial 1 comprises four displays of the retrograde sector type located in the four corners of the dial, each comprising a minute scale 50,51,52,53 and a corresponding minute hand 54 , 55.56 and 57. The dial is provided with a central concentric hour display comprising a graduation 58 and a hour hand 59. Each retrograde sector display corresponds to a quarter of an hour and the indications follow one another to display the sixty minutes an hour.

Le mécanisme de cette forme d'exécution du module d'affichage est du type de celui décrit en référence aux figures 5 et 6 sauf que la came 20 est solidaire de la chaussée 15 qui est pivotée folle sur un canon 60 solidaire du pont supérieur 61 du mouvement d'horlogerie. Ainsi les aiguilles 54 à 57 indiquant bien les minutes la came 20 effectuant une révolution complète en une heure.The mechanism of this embodiment of the display module is of the type described with reference to FIGS. 5 and 6 except that the cam 20 is integral with the carriageway 15 which is pivoted madly on a barrel 60 integral with the upper bridge 61 of the watch movement. Thus the hands 54 to 57 clearly indicating the minutes the cam 20 performing a complete revolution in one hour.

L'aiguille des heures centrale 59 est portée par un mobile 62 pivoté fou sur l'extrémité supérieure de la chaussée 15. La denture 63 de ce mobile 62 est en prise avec la denture d'un pignon 64 pivoté dans un canon 65 chassé dans un perçage de la came 20. Un second pignon 66 est également pivoté dans ce canon 65, situé de l'autre côté de la came 20, et engrène avec un pignon 67 solidaire de la roue des heures 16. Le rapport introduit par cette chaîne cynématique est de 1:1 de sorte que l'aiguille 59 tourne à la même vitesse que la roue des heures 16 qui elle est entraînée, par un rouage de minuterie à partir de la roue des minutes du mouvement, à raison d'un tour pour douze heures.The central hour hand 59 is carried by a mobile 62 idly pivoted on the upper end of the roadway 15. The toothing 63 of this mobile 62 is engaged with the toothing of a pinion 64 pivoted in a barrel 65 driven into a bore in the cam 20. A second pinion 66 is also pivoted in this barrel 65, located on the other side of the cam 20, and meshes with a pinion 67 secured to the hour wheel 16. The ratio introduced by this chain cynematic is 1: 1 so that the hand 59 rotates at the same speed as the hour wheel 16 which it is driven by a clockwork from the minute wheel of the movement, at the rate of one lap for twelve hours.

Grâce à ce module d'affichage, entraîné par n'importe quel mouvement d'horlogerie conventionnel, mécanique, automatique ou à quartz, on obtient un mode d'affichage horaire totalement nouveau permettant une apparence et un design révolutionnaire du cadran de la montre.Thanks to this display module, driven by any conventional clockwork movement, mechanical, automatic or quartz, we obtain a completely new time display mode allowing a revolutionary appearance and design of the watch face.

Il est évident que l'on peut entrevoir de nombreuses variantes et exécutions d'un tel module d'affichage qui dans son principe consiste à comporter plusieurs affichages à secteur rétrograde comprenant chacun un organe d'affichage mobile coopérant avec au moins un repère fixe, les indications horaires fournies par chaque affichage à secteur rétrograde se rapportant à des fractions de jours, respectivement d'heures se succédant sans discontinuité.It is obvious that one can glimpse many variants and executions of such a display module which in principle consists of comprising several displays with a retrograde sector each comprising a mobile display member cooperating with at least one fixed reference, the time indications provided by each retrograde sector display relating to fractions of days, respectively of hours succeeding one another without discontinuity.

On peut ainsi envisager n'avoir que deux ou trois affichages à secteur rétrograde correspondant à six ou quatre heures chacun respectivement à trente ou vingt minutes. On peut également envisager d'avoir plus de quatre affichages à secteur rétrograde, le nombre de ceux-ci dépendant en premier lieu de l'esthétique et de la forme de la boîte de la montre.It is thus possible to envisage having only two or three displays with a retrograde sector corresponding to six or four hours each respectively to thirty or twenty minutes. We can also consider having more than four retrograde sector displays, the number of these depending primarily on the aesthetics and the shape of the watch case.

A la place d'aiguilles se déplaçant en regard de graduation on peut prévoir sur le cadran un index fixe coopérant avec une graduation mobile et ceci sans apporter de modifications de principe au mécanisme du module.Instead of needles moving opposite the scale, a fixed index can be provided on the dial cooperating with a mobile scale, without making any changes in principle to the mechanism of the module.

Dans les trois formes d'exécution et pour éviter que les quatre becs 29 des leviers 23,24, 25 et 26 ne s'appuient simultanément sur le pourtour de la came 20 et par conséquent la freine, quatre butées excentriques 100,101,102 et 103, fixées dans la planche 13, fonctionnent comme quatre butées lorsque les leviers respectifs sont en position retombée sous l'effet de leur ressort 31 respectif. Ces butées possèdent des pivots excentriques, il est possible de les tourner individuellement et de régler ainsi chaque levier de façon à laisser un léger espace entre les becs 29 des leviers et la position basse de la came 20, afin de diminuer le frottement des becs sur la came, en supprimant ainsi le frottement de trois ou au minimum deux becs sur quatre.In the three embodiments and to prevent the four nozzles 29 of the levers 23, 24, 25 and 26 from being pressed simultaneously on the periphery of the cam 20 and consequently the brake, four eccentric stops 100, 101, 102 and 103, fixed in plate 13, operate as four stops when the respective levers are in position dropped under the effect of their respective spring 31. These stops have eccentric pivots, it is possible to turn them individually and thus adjust each lever so as to leave a slight space between the spouts 29 of the levers and the low position of the cam 20, in order to reduce the friction of the spouts on the cam, thus eliminating the friction of three or at least two spouts out of four.

Les trois formes d'exécution ont été représentées pour des montres de forme carrée. Il est bien entendu que le présent dispositif peut être intégré dans n'importe quelle forme de boîte, y compris boîte et cadran ronds.The three embodiments have been shown for square-shaped watches. It is understood that the present device can be integrated into any form of box, including round box and dial.

Claims (14)

1. Analogic display module fixed on a time piece movement comprising a dial, hands and a driving mechanism of said hands through a power force of a watch movement formed for example by the cannon-pinion making one revolution in one hour, which comprises for the indication of the hours or of the minutes several sector displays each comprising a movable display member cooperating with at least one fixed index, and in which further the time indications given by each retrograde sector display concern fractions of days respectively of hours which follow up without discontinuity.
2. Module as claimed in claim 1 characterized by the fact that it comprises four sector displays comprising each a graduation corresponding to three hours, respectively fifteen minutes, and a hand cooperating with said graduation.
3. Module as claimed in claim 1 or 2 characterized by the fact that it comprises further a central display for the minutes or the hours.
4. Module as claimed in one of the preceeding claims characterized by the fact that the movable display members of each retrograde sector display are driven by a wheel meshing with a toothed sector of a lever pivoted on a base plate of the module, the other end of said lever comprising a beak cooperating with a cam driven in rotation by the time piece movement.
5. Module as claimed in claim 4 characterized by the fact that the cam comprises a low concentric portion and a lift of progressive amplitude extending on an angular distance corresponding to the time interval having to be displayed by each sector display.
6. Module as claimed in claim 5 characterized by the fact that the lift of the cam comprises an end of the higher portion which is concentric and the angular extent of which corresponds to a fraction of the time interval having to be displaced by each sector display.
7. Module as claimed in one of claims 4 to 6 characterized by the fact in that it comprises a Bréguet-type coupling between the cam and the driving member of the time piece movement.
8. Module as claimed in one of claims 4 to 6 characterized by the fact that the beak of each lever is carried by a part hinged on the end of the corresponding lever, part which is maintained in its service position through a spring and an abutment.
9. Module as claimed in one of claims 4 to 8 characterized by the fact that the cam is driven by the cannon-pinion of the time piece movement.
10. Module as claimed in one of claims 4 to 8 characterized by the fact that the cam is driven by the hours wheel of the time piece movement.
11. Module as claimed in claim 9 characterized by the fact that the cannon-pinion carries the hand of a central concentric display.
12. Module as claimed in claim 10 characterized by the fact that the hand of a central concentric display is driven by the hours wheel of the time piece movement through an intermediate wheel idly pivoted in the cam.
13. Module as claimed in one of claims 1 to 10 characterized by the fact that the stroke of the levers towards the cam is limited by adjustable excentric abutments.
14. Module as claimed in one of claims 1 to 11 characterized by the fact that it is intended to be integrated in a time piece of any shape, the dial presenting a corresponding shape, square, circular, oval, etc.
EP90100399A 1989-03-30 1990-01-10 Analogical display module for a clockwork movement Expired - Lifetime EP0389739B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1166/89 1989-03-30
CH1166/89A CH676309B5 (en) 1989-03-30 1989-03-30

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EP0389739A1 EP0389739A1 (en) 1990-10-03
EP0389739B1 true EP0389739B1 (en) 1992-07-29

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US (1) US5043955A (en)
EP (1) EP0389739B1 (en)
JP (1) JPH0675109B2 (en)
CH (1) CH676309B5 (en)
DE (2) DE69000228T2 (en)

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Also Published As

Publication number Publication date
CH676309GA3 (en) 1991-01-15
JPH0675109B2 (en) 1994-09-21
DE389739T1 (en) 1991-04-11
EP0389739A1 (en) 1990-10-03
DE69000228D1 (en) 1992-09-03
CH676309B5 (en) 1991-07-15
US5043955A (en) 1991-08-27
JPH02281181A (en) 1990-11-16
DE69000228T2 (en) 1993-03-04

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