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EP1546818A2 - Mechanical hour and minute display device - Google Patents

Mechanical hour and minute display device

Info

Publication number
EP1546818A2
EP1546818A2 EP03798851A EP03798851A EP1546818A2 EP 1546818 A2 EP1546818 A2 EP 1546818A2 EP 03798851 A EP03798851 A EP 03798851A EP 03798851 A EP03798851 A EP 03798851A EP 1546818 A2 EP1546818 A2 EP 1546818A2
Authority
EP
European Patent Office
Prior art keywords
display
hours
tens
wheel
integral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03798851A
Other languages
German (de)
French (fr)
Other versions
EP1546818B1 (en
Inventor
Carlos Dias
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manufacture Roger Dubuis SA
Original Assignee
Manufacture Roger Dubuis SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Manufacture Roger Dubuis SA filed Critical Manufacture Roger Dubuis SA
Priority to EP03798851A priority Critical patent/EP1546818B1/en
Publication of EP1546818A2 publication Critical patent/EP1546818A2/en
Application granted granted Critical
Publication of EP1546818B1 publication Critical patent/EP1546818B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs

Definitions

  • the present invention relates to a mechanical device for displaying hours and minutes. If we know the digital display of the hours and minutes by liquid crystals or light-emitting diodes for quartz watches, this is practically unknown in the case of mechanical watches. Even if some attempts have been made, in any case there is no known display device in which the changes in hours and minutes are all instantaneous.
  • a mechanical digital display device for a watch is also not known, in which all the figures are placed side by side, allowing easy reading and have the same size and a sufficient size, for reading without a magnifying glass, which supposes that the device separately displays the units and tens, both hours and minutes.
  • the present invention specifically aims to overcome the difficulties inherent in the digital display of hours and minutes by mechanical means, which has the effect of doubling the number of display members compared to traditional analog display.
  • the subject of this invention is a mechanical device for displaying the hours and minutes as defined by claim 1.
  • the advantage of the display device which is the subject of the present invention is that it allows instant digital display of the hours and minutes by mechanical means.
  • FIG. 1 is a plan view of the entire mechanical display of the timepiece including the hour and minute display object of the invention
  • FIG. 2 is a plan view similar to that of FIG. 1, but without the various indicator disks making it possible to see all of the display mechanisms of this timepiece
  • Figure 3 is a partial plan view of Figure 2 illustrating the minute display mechanism
  • Figure 4 is a sectional view along line IV-IV of Figure 3
  • FIG. 5 is another partial plan view of FIG. 2, illustrating the mechanism for displaying the hours and the day and night hours
  • Figure 6 is a sectional view along line VI-VI of Figure 5
  • Figure 7 is a partial plan view of Figure 2, illustrating the display correction mechanism in the disengaged position
  • Figure 8 is a view similar to Figure 7, showing the display correction mechanism in the engaged position
  • FIG. 9 is a sectional view along the line IX-IX of FIG. 8.
  • the timepiece illustrated here by way of example includes several indications derived from the time, in particular the days of the week, the calendar of the month, the phase of the moon and the day and night hours. It is already specified that these other indications are only illustrated on an optional basis, but that the present invention is not limited to their presence in association with the display of the hours and minutes.
  • the hours are indicated by two concentric discs 1, 2 bearing res- pectively the tens digits (0, 1 for a display of the hours in twelve hour increments) and the ten digits' of the units, that the minutes are indicated by two non-concentric discs 3, 4 carrying the tens digits (0 to 5) and the ten unit digits.
  • Two digits side by side of the pair of hour discs 1, 2 are aligned with two adjacent digits of the pair of minute discs 3, 4.
  • These two adjacent pairs of digits aligned with the discs of hours 1, 2, respectively minutes 3, 4 appear through two rectangular apertures A, respectively B, formed through the dial of watch C (FIGS. 4 and 6) which covers the various display discs illustrated in FIG. 1, like the windows commonly used, in particular to indicate the date of the month.
  • the mechanism for driving the minute discs 3, 4 (FIGS. 3, 4) comprises a drive wheel 5 located at the center of the movement of the watch.
  • the center of this drive wheel 5 has a square opening 5a which adjusts to a part of the same section of the roadway (not shown) of the conventional timer train, so that this drive wheel 5 rotates at a rate of 1 turn / hour. It meshes with a 6 minute mobile with a 2/1 ratio, so that this minute wheel makes two revolutions per hour. It is integral with a 7 minute instant jump wheel which has 30 triangular teeth, each tooth of which constitutes an instant jump cam. For this purpose, one of the faces of each tooth has a radial orientation by relative to the center of the wheel 7, while the other is inclined and constitutes an arcing ramp.
  • An intermediate lever 8 is pivotally mounted about an axis by a fixing screw 9.
  • This lever 8 has a toothing in engagement with a toothing of a minute lever 10 pivotally mounted about a axis by a fixing screw 11
  • This minute lever 10 carries a drive pawl 12 applied against a stop 10a of the lever 10 by a spring 13.
  • This drive pawl 12 is engaged with a toothing of a star toothed wheel 14 of ten teeth triangular, integral with the minute units disc 4.
  • This star gear 14 is positioned by a jumper spring 15.
  • a spring 16 constantly tends to rotate the intermediate lever 8 in the opposite direction to that of the watch hands, thus maintaining permanent contact between this lever 8 and one of the teeth or cam of the instantaneous jump wheel 7. Being given the link between the scales 8 and 10 by their respective toothed sectors, the minutes scale 10 is moved clockwise when the intermediate scale 8 is moved in the opposite direction and vice versa.
  • the tens of minutes disc 3 is secured to a star gear 17 having twelve triangular teeth, positioned by a jumper spring 18.
  • This wheel 17 is offset relative to the star gear 14 secured to the units disc of minutes 4.
  • the relative positions of the two star gear wheels 14, 17 are such that there is an area in which their respective teeth overlap.
  • a pin 17a is fixed, perpendicular to the plane of the star gear 17, at the center of each triangular tooth, thus forming projections. These pins extend in the direction of the star gear in 14, one of the ten teeth 14a (FIG.
  • the time display mechanism Figures 5, 6) has a camshaft for instantaneous jumps of the hours 19, coaxial with the drive wheel 5 of the minutes, but which is integral with the barrel wheel (not shown) of the conventional clockwork, so that it does one turn in twelve hours and turns clockwise.
  • This wheel 19 has twelve cams in the shape of triangular teeth, one of their respective faces having a radial orientation.
  • an instant jump lever 20 is pressed by a spring 21 against the cam wheel 19.
  • the other end of this lever carries a pawl 22, pressed against a stop 20a, by a spring 23.
  • This pawl 22 is in engagement with a toothing of a reference 24a of 24 teeth of a mobile 24 which rotates in 24 hours.
  • This mobile 24 has a second toothing of a second return 24b of four teeth, arranged symmetrically in pairs.
  • the two references 24a, 24b are integral and coaxial with each other.
  • the teeth of the reference 24a are positioned by a jumper spring 33.
  • the toothing 24a of the wheel 24 is engaged with a star toothed wheel of twelve teeth 25 integral with the disc 2 of the hour units and positioned by a jumper spring 34, while the teeth 24b are engaged with a toothed wheel in star 26 of six teeth, integral with the disc 1 for tens of hours and positioned by a jumper spring 35.
  • the connection between the teeth 24b and the star wheel 26 is not carried out by means of the teeth of this wheel 26 , but by pins 26a (FIG. 6) which project perpendicularly to this star wheel 26.
  • the angular positions of the four teeth 24b of the teeth are chosen to drive the star wheel 26 for the first time during the passage of the units to that of the ten and a second time after the display of the number 12 to return to the units, this cycle repeating a second time in 24 hours.
  • the display is done by dividing the duration of a day into two 12-hour periods.
  • a disc 27 ( Figures 1 and 6) which moves under a window D is fixed to a star wheel 28 ( Figures 5 and 6) positioned by a jumper spring 29.
  • This star wheel 28 is driven each 12 hours by a finger 30a secured to a pinion 30 which makes two turns in 24 hours, driven by a wheel 31 engaged with a coaxial wheel 32 and secured to the wheel 24.
  • the disc 27 bears indications capable of distinguishing one on the other, the two 12-hour periods.
  • the two periods indicated by the disc 27 each have 12 hours. It does not necessarily coincide with the 12-hour periods of the time display discs 1, 2.
  • the disc 27 distinguishes between day and night, the start of each period can for example begin cer at 6 am, respectively in the evening. If the disc 27 indicates the hours in the Anglo-Saxon way, it can carry the indications AM and PM and in this case, the periods will coincide with the two 12-hour periods of the discs 1, 2.
  • the instantaneous jump display mechanism which has just been described has the particularity that its various organs cannot rotate in the opposite direction to that of the hands of the watch. Indeed, the presence of the cam wheels 7 and 19, the triangular teeth of which each have a side with radial orientation, allows rotation only in one direction, since in the opposite direction, the radial sides of the teeth block the wheel when the rocker is at the bottom of a space separating two teeth. If we could drive these cogs in both directions as in other watches, we could cause great damage to the movement of the watch.
  • This mechanism comprises a conventional winding stem 36 on which is mounted an equally conventional sliding pinion 37, which traditionally slides on a square section portion of the winding rod 36, so that this sliding pinion 37 is integral in rotation of this winding stem what that is its position along this winding stem 36.
  • This sliding pinion 37 comprises, like all conventional sliding pinions, a groove in which a rocker 38 is engaged.
  • This lever 38 is controlled by a pull tab 39 pivotally mounted and of which a finger is engaged, in the usual way, in a groove of the winding stem.
  • the pull tab 39 pivots and controls the pivoting of the lever 38 which moves the sliding pinion 37 in two positions illustrated respectively in FIGS. 7 and 8.
  • This reference 40 has a Breguet 40a type edge teeth (FIG. 9) engaged with a Breguet 41a type edge teeth also, integral with a second coaxial reference 41.
  • the second reference 41 is pivotally mounted on a tubular pivoting element 42 in which a coil spring 43 is housed.
  • This spring 43 presses the two sawtooth teeth 40a, 41a against each other, so that the gear 40 does not transmit its rotation to the gear 41 in one direction, since in the other direction, the sawtooth teeth disengage and cause the disengagement of the gear 41, the latter being able to slide axially on the tubular pivoting element 42.
  • This arrangement therefore makes it possible to drive the hours and minutes display mechanisms only in the desired direction, thus avoiding any risk of deterioration of these mechanisms.
  • the lever 38 ends in two arms forming a gripping element 38a between which is located one end of a correction lever 44 which carries three references 45, 46, 47 and which is pivoted coaxially with the reference 46.
  • a correction lever 44 which carries three references 45, 46, 47 and which is pivoted coaxially with the reference 46.
  • the three references 45, 46, 47 are disconnected from the reference 41 and the pinion 14a integral with the star wheel 14 of the minute units.
  • the correction lever 44 is moved and simultaneously sets the reference 45 in engagement with the reference 41 and reference 47 engages with the pinion 14a of the star wheel 14 for displaying the units of minutes.
  • This correction lever 44 constitutes a mechanism for establishing a direct connection between the sliding pinion 37 and the star wheel 14 for displaying the units of minutes.
  • a reference 48, engaged with the drive wheel 5 integral with the road, is also engaged in the time setting position of the winding and time setting mechanism, with the reference 45a, so that the unidirectional movement of rotation of the reference 41 is also transmitted to the train of the hour display mechanism, as well as to all the other display mechanisms which may still be associated.
  • FIG. 1 shows that the timepiece described here also includes a disc for displaying the days of the week 49, a hand 50 for displaying the calendar of the month, as well as a disc 51 for displaying the phases from the moon.
  • the drive of these display members is carried out from a pinion 52 (FIGS. 2 and 5) integral with the hour cam wheel 19 itself integral with the barrel wheel (not shown) of the timer train usual of all watches with mechanical display.
  • the mechanical display mechanism object of the present invention must overcome the friction of the display organs, as well as the loss of energy caused by the arming of the springs intended to store sufficient energy to move the organs of display by instantaneous jumps and to overcome the force of the jumper springs for positioning the display discs. It is obvious that such a display mechanism can only function if the surface condition of the friction surfaces of the various members of this mechanism makes it possible to reduce friction as much as possible.
  • the bearing on which the the inner circular surface of this ring will advantageously be in ruby.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)

Abstract

Two concentric disks (1,2) bear peripheral numerals which enable them to indicate twelve hours through a dial plate slot. An adjacent dial plate slot shows peripheral numbers on two non concentric disks (3,4) to give a complete numerical time display. The hour disks are driven through spring loaded rockers and the minute disks through instantaneous step cams. Further disks (27,49,51) show am/pm, day and moon position

Description

DISPOSITIF MECANIQUE D'AFFICHAGE DES HEURES ET DES MINUTES MECHANICAL DEVICE FOR DISPLAYING HOURS AND MINUTES

La présente invention se rapporte à un dispositif mécanique d'affichage des heures et des minutes. Si l'on connaît l'affichage digital des heures et des minutes par cristaux liquides ou diodes électroluminescentes pour les montres à quartz, celui-ci est pratiquement inconnu dans le cas de montres mécaniques. Même si quelques tentatives ont été faites, on ne connaît en tout cas pas de dispo- sitif d'affichage dans lequel les changements d'heures et de minutes sont toutes à saut instantané. On ne connaît pas davantage un dispositif mécanique d'affichage digital pour montre dans lequel tous les chiffres sont disposés côte à côte, permettant une lecture aisée et ont la même grandeur et une grandeur suffisante, pour une lecture sans loupe, ce qui suppose que le dispositif affiche séparément les unités et les dizaines, aussi bien des heures que des minutes.The present invention relates to a mechanical device for displaying hours and minutes. If we know the digital display of the hours and minutes by liquid crystals or light-emitting diodes for quartz watches, this is practically unknown in the case of mechanical watches. Even if some attempts have been made, in any case there is no known display device in which the changes in hours and minutes are all instantaneous. A mechanical digital display device for a watch is also not known, in which all the figures are placed side by side, allowing easy reading and have the same size and a sufficient size, for reading without a magnifying glass, which supposes that the device separately displays the units and tens, both hours and minutes.

La présente invention a précisément pour but de surmonter les difficultés inhérentes à l'affichage digital des heures et des minutes par des moyens mécanique, ce qui a pour effet de doubler le nombre des organes d'affichage par rapport à l'affichage analogique traditionnel.The present invention specifically aims to overcome the difficulties inherent in the digital display of hours and minutes by mechanical means, which has the effect of doubling the number of display members compared to traditional analog display.

A cet effet, cette invention a pour objet un dispositif mécanique d'affichage des heures et des minutes tel que défini par la revendication 1.To this end, the subject of this invention is a mechanical device for displaying the hours and minutes as defined by claim 1.

L'intérêt du dispositif d'affichage objet de la présente invention est de permettre l'affichage digital instantané des heures et des minutes par des moyens mécaniques.The advantage of the display device which is the subject of the present invention is that it allows instant digital display of the hours and minutes by mechanical means.

Le dessin annexé illustre, schématiquement et à titre d'exemple, une forme d'exécution du dispositif d'affichage objet de la présente invention.The accompanying drawing illustrates, schematically and by way of example, an embodiment of the display device which is the subject of the present invention.

La figure 1 est une vue en plan de l'ensemble de l'affichage mécanique de la pièce d'horlogerie comprenant le dispositif d'affichage des heures et des minutes objet de 1' invention; la figure 2 est une vue en plan semblable à celle de la figure 1, mais sans les différents disques indicateurs per- mettant de voir l'ensemble des mécanismes d'affichage de cette pièce d'horlogerie; la figure 3 est une vue en plan partielle de la figure 2, illustrant le mécanisme d'affichage des minutes; la figure 4 est une vue en coupe selon la ligne IV-IV de la figure 3; la figure 5 est une autre vue en plan partielle de la figure 2, illustrant le mécanisme d'affichage des heures et des heures diurnes et nocturnes; la figure 6 est une vue en coupe selon la ligne VI-VI de la figure 5; la figure 7 est une vue en plan partielle de la figure 2, illustrant le mécanisme de correction d'affichage en position débrayée; la figure 8 est une vue semblable à la figure 7, illus- trant le mécanisme de correction d'affichage en position embrayée; la figure 9 est une vue en coupe selon la ligne IX-IX de la figure 8.Figure 1 is a plan view of the entire mechanical display of the timepiece including the hour and minute display object of the invention; FIG. 2 is a plan view similar to that of FIG. 1, but without the various indicator disks making it possible to see all of the display mechanisms of this timepiece; Figure 3 is a partial plan view of Figure 2 illustrating the minute display mechanism; Figure 4 is a sectional view along line IV-IV of Figure 3; FIG. 5 is another partial plan view of FIG. 2, illustrating the mechanism for displaying the hours and the day and night hours; Figure 6 is a sectional view along line VI-VI of Figure 5; Figure 7 is a partial plan view of Figure 2, illustrating the display correction mechanism in the disengaged position; Figure 8 is a view similar to Figure 7, showing the display correction mechanism in the engaged position; FIG. 9 is a sectional view along the line IX-IX of FIG. 8.

La pièce d'horlogerie illustrée ici à titre d'exemple comporte plusieurs indications dérivées de l'heure, notamment le jours de la semaine, le quantième du mois, la phase de la lune et les heures diurnes et nocturnes. Il est d'ores et déjà précisé que ces autres indications ne sont illustrées qu'à titre facultatif, mais que la présente invention n'est pas limitée à leur présence en association avec l'affichage de l'heure et des minutes.The timepiece illustrated here by way of example includes several indications derived from the time, in particular the days of the week, the calendar of the month, the phase of the moon and the day and night hours. It is already specified that these other indications are only illustrated on an optional basis, but that the present invention is not limited to their presence in association with the display of the hours and minutes.

On peut constater sur la figure 1 que les heures sont indiquées par deux disques concentriques 1, 2 portant res- pectivement les chiffres des dizaines (0, 1 pour un affichage des heures par tranches de douze heures) et les dix chiffres ' des unités, que les minutes sont indiquées par deux disques non concentriques 3, 4 portant respectivement les chiffres des dizaines (0 à 5) et les dix chiffres des unités .It can be seen in FIG. 1 that the hours are indicated by two concentric discs 1, 2 bearing res- pectively the tens digits (0, 1 for a display of the hours in twelve hour increments) and the ten digits' of the units, that the minutes are indicated by two non-concentric discs 3, 4 carrying the tens digits (0 to 5) and the ten unit digits.

Deux chiffres côte à côte de la paire de disques des heures 1, 2 sont alignés avec deux chiffres adjacents de la paire de disques des minutes 3, 4. Ces deux paires adja- centes de chiffres alignés des disques des heures 1, 2, respectivement des minutes 3, 4 apparaissent à travers deux guichets rectangulaires A, respectivement B, ménagés à travers le cadran de la montre C (figures 4 et 6) qui recouvre les différents disques d'affichage illustrés par la figure 1, à l'instar des guichets couramment utilisés, notamment pour indiquer les quantièmes du mois. C'est ainsi que dans la position des disques 1, 2, 3, 4 de l'exemple illustré, on pourra lire à travers ces guichets A, B qu'il est 11 heures 59 minutes. Le mécanisme d'entraînement des disques des minutes 3, 4 (figures 3, 4) comporte une roue d'entraînement 5 située au centre du mouvement de la montre. Le centre de cette roue d'entraînement 5 présente une ouverture carrée 5a qui s'ajuste sur une partie de même section de la chaussée (non représentée) du rouage classique de minuterie, de sorte que cette roue d'entraînement 5 tourne à raison de 1 tour/heure. Elle engrène avec un mobile des minutes 6 avec un rapport 2/1, de sorte que cette roue des minutes fait deux tours par heure. Elle est solidaire d'une roue de saut instantané des minutes 7 qui comporte 30 dents triangulaires dont chaque dent constitue une came de saut instantané. A cet effet, une des faces de chaque dent a une orientation radiale par rapport au centre de la roue 7, tandis que l'autre est inclinée et constitue une rampe d'ar age.Two digits side by side of the pair of hour discs 1, 2 are aligned with two adjacent digits of the pair of minute discs 3, 4. These two adjacent pairs of digits aligned with the discs of hours 1, 2, respectively minutes 3, 4 appear through two rectangular apertures A, respectively B, formed through the dial of watch C (FIGS. 4 and 6) which covers the various display discs illustrated in FIG. 1, like the windows commonly used, in particular to indicate the date of the month. Thus in the position of the disks 1, 2, 3, 4 of the example illustrated, it will be possible to read through these counters A, B that it is 11 hours 59 minutes. The mechanism for driving the minute discs 3, 4 (FIGS. 3, 4) comprises a drive wheel 5 located at the center of the movement of the watch. The center of this drive wheel 5 has a square opening 5a which adjusts to a part of the same section of the roadway (not shown) of the conventional timer train, so that this drive wheel 5 rotates at a rate of 1 turn / hour. It meshes with a 6 minute mobile with a 2/1 ratio, so that this minute wheel makes two revolutions per hour. It is integral with a 7 minute instant jump wheel which has 30 triangular teeth, each tooth of which constitutes an instant jump cam. For this purpose, one of the faces of each tooth has a radial orientation by relative to the center of the wheel 7, while the other is inclined and constitutes an arcing ramp.

Une bascule intermédiaire 8 est montée pivotante autour d'un axe par une vis de fixation 9. Cette bascule 8 comporte une denture en prise avec une denture d'une bascule des minutes 10 montée pivotante autour d'un axe par une vis de fixation 11. Cette bascule de minutes 10 porte un cliquet d'entraînement 12 appliqué contre une butée 10a de la bascule 10 par un ressort 13. Ce cliquet d'entraînement 12 est en prise avec une denture d'une roue dentée en étoile 14 de dix dents triangulaires, solidaire du disque des unités de minutes 4. Cette roue dentée en étoile 14 est positionnée par un ressort sautoir 15.An intermediate lever 8 is pivotally mounted about an axis by a fixing screw 9. This lever 8 has a toothing in engagement with a toothing of a minute lever 10 pivotally mounted about a axis by a fixing screw 11 This minute lever 10 carries a drive pawl 12 applied against a stop 10a of the lever 10 by a spring 13. This drive pawl 12 is engaged with a toothing of a star toothed wheel 14 of ten teeth triangular, integral with the minute units disc 4. This star gear 14 is positioned by a jumper spring 15.

Un ressort 16 tend constamment à faire tourner la bas- cule intermédiaire 8 dans le sens inverse de celui des aiguilles de la montre, maintenant ainsi un contact permanent entre cette bascule 8 et une des dents ou came de la roue de saut instantané 7. Etant donné la liaison entre les bascules 8 et 10 par leurs secteurs dentés respectifs, la bascule des minutes 10 est déplacée dans le sens des aiguilles de la montre lorsque la bascule intermédiaire 8 est déplacée dans le sens opposé et inversement.A spring 16 constantly tends to rotate the intermediate lever 8 in the opposite direction to that of the watch hands, thus maintaining permanent contact between this lever 8 and one of the teeth or cam of the instantaneous jump wheel 7. Being given the link between the scales 8 and 10 by their respective toothed sectors, the minutes scale 10 is moved clockwise when the intermediate scale 8 is moved in the opposite direction and vice versa.

Le disque des dizaines de minutes 3 est solidaire d'une roue dentée en étoile 17 comportant douze dents triangulai- res, positionnée par un ressort sautoir 18. Cette roue 17 est décentrée par rapport à la roue dentée en étoile 14 solidaire du disque des unités de minutes 4. Les positions relatives des deux roues dentées en étoile 14, 17 sont telles qu'il existe une zone dans laquelle leurs dentures respecti- ves se superposent. Une cheville 17a est fixée, perpendiculairement au plan de la roue dentée en étoile 17, au centre de chaque dent triangulaire, formant ainsi des saillies. Ces chevilles s'étendent en direction de la roue dentée en étoi- le 14, dont une des dix dents 14a (figure 4) est plus épaisse que le reste de cette roue 14, formant ainsi une saillie dirigée vers la roue en étoile 17, en sorte que cette dent 14a coupe la trajectoire des chevilles 17a et entraîne la roue en étoile 17 d'un pas à chaque tour de la roue en étoile 14. Comme cette roue 14 a dix dents, elle entraîne donc la roue en étoile 17 solidaire du disque de dizaines de minutes 4 d'un pas à chaque changement de dizaine. Par ailleurs, étant donné que la roue 14 est entraînée par sauts instantanés, la roue 17 est donc elle aussi entraînée par sauts instantanés. Cette roue en étoile 17 ayant douze dents, elle fera donc un tour en deux heures et le disque 4 qui lui est solidaire porte de ce fait deux séries de chiffres de 0 à 5. Le mécanisme d'affichage de l'heure Figures 5, 6) comporte une roue à cames de sauts instantanés des heures 19, coaxiale à la roue d'entraînement 5 des minutes, mais qui est solidaire de la roue à canon (non représentée) du rouage classique de minuterie, de sorte qu'elle fait un tour en douze heures et tourne dans le sens des aiguilles de la montre. Cette roue 19 comporte douze cames en forme de dents triangulaires, dont une de leurs faces respectives a une orientation radiale.The tens of minutes disc 3 is secured to a star gear 17 having twelve triangular teeth, positioned by a jumper spring 18. This wheel 17 is offset relative to the star gear 14 secured to the units disc of minutes 4. The relative positions of the two star gear wheels 14, 17 are such that there is an area in which their respective teeth overlap. A pin 17a is fixed, perpendicular to the plane of the star gear 17, at the center of each triangular tooth, thus forming projections. These pins extend in the direction of the star gear in 14, one of the ten teeth 14a (FIG. 4) is thicker than the rest of this wheel 14, thus forming a projection directed towards the star wheel 17, so that this tooth 14a intersects the trajectory of the pins 17a and drives the star wheel 17 by one step at each turn of the star wheel 14. As this wheel 14 has ten teeth, it therefore drives the star wheel 17 secured to the disc for tens of minutes 4 by one step at each change of ten. Furthermore, since the wheel 14 is driven by instantaneous jumps, the wheel 17 is therefore also driven by instantaneous jumps. This star wheel 17 having twelve teeth, it will therefore make a revolution in two hours and the disc 4 which is integral with it therefore carries two series of numbers from 0 to 5. The time display mechanism Figures 5, 6) has a camshaft for instantaneous jumps of the hours 19, coaxial with the drive wheel 5 of the minutes, but which is integral with the barrel wheel (not shown) of the conventional clockwork, so that it does one turn in twelve hours and turns clockwise. This wheel 19 has twelve cams in the shape of triangular teeth, one of their respective faces having a radial orientation.

Une extrémité d'une bascule de sauts instantanés 20 est pressée par un ressort 21 contre la roue à cames 19. L'autre extrémité de cette bascule porte un cliquet 22, pressé contre une butée 20a, par un ressort 23. Ce cliquet 22 est en prise avec une denture d'un renvoi 24a de 24 dents d'un mobile 24 qui fait un tour en 24 heures. Ce mobile 24 comporte une seconde denture d'un second renvoi 24b de quatre dents, disposées symétriquement deux à deux. Les deux renvois 24a, 24b sont solidaires et coaxiaux l'un de l'autre. La denture du renvoi 24a est positionnée par un ressort sautoir 33. La denture 24a de la roue 24 est en prise avec une roue dentée en étoile de douze dents 25 solidaire du disque 2 des unités d'heure et positionnée par un ressort sautoir 34, tandis que les dents 24b sont en prise avec une roue dentée en étoile 26 de six dents, solidaire du disque 1 des dizaines d'heure et positionnée par un ressort sautoir 35. La liaison entre les dents 24b et la roue en étoile 26 n'est pas réalisée par l'intermédiaire des dents de cette roue 26, mais par des chevilles 26a (figure 6) qui font saillie per- pendiculairement à cette roue en étoile 26. Les positions angulaires des quatre dents 24b de la denture sont choisies pour entraîner la roue en étoile 26 une première fois lors du passage des unités à celui de la dizaine et une seconde fois après l'affichage du chiffre 12 pour revenir aux unités, ce cycle se répétant une seconde fois en 24 heures. Bien entendu, dans l'exemple donné ici, l'affichage se fait en divisant la durée d'un jour en deux périodes de 12 heures .One end of an instant jump lever 20 is pressed by a spring 21 against the cam wheel 19. The other end of this lever carries a pawl 22, pressed against a stop 20a, by a spring 23. This pawl 22 is in engagement with a toothing of a reference 24a of 24 teeth of a mobile 24 which rotates in 24 hours. This mobile 24 has a second toothing of a second return 24b of four teeth, arranged symmetrically in pairs. The two references 24a, 24b are integral and coaxial with each other. The teeth of the reference 24a are positioned by a jumper spring 33. The toothing 24a of the wheel 24 is engaged with a star toothed wheel of twelve teeth 25 integral with the disc 2 of the hour units and positioned by a jumper spring 34, while the teeth 24b are engaged with a toothed wheel in star 26 of six teeth, integral with the disc 1 for tens of hours and positioned by a jumper spring 35. The connection between the teeth 24b and the star wheel 26 is not carried out by means of the teeth of this wheel 26 , but by pins 26a (FIG. 6) which project perpendicularly to this star wheel 26. The angular positions of the four teeth 24b of the teeth are chosen to drive the star wheel 26 for the first time during the passage of the units to that of the ten and a second time after the display of the number 12 to return to the units, this cycle repeating a second time in 24 hours. Of course, in the example given here, the display is done by dividing the duration of a day into two 12-hour periods.

Une indication permet de donner une information desti- née à distinguer les heures du jour et celles de la nuit. A cet effet, un disque 27 (figures 1 et 6) qui se déplace sous un guichet D est fixé à une roue en étoile 28 (figures 5 et 6) positionnée par un ressort sautoir 29. Cette roue en étoile 28 est entraînée chaque 12 heures par un doigt 30a solidaire d'un pignon 30 qui fait deux tours en 24 heures, entraîné par une roue 31 en prise avec une roue 32 coaxiale et solidaire de la roue 24. Le disque 27 porte des indications aptes à distinguer l'une de l'autre les deux périodes de 12 heures. Les deux périodes indiquées par le disque 27 ont chacune 12 heures. Elle ne coïncident pas nécessairement avec les périodes de 12 heures des disques 1, 2 d'affichage de l'heure. En effet, si le disque 27 distingue le jour et la nuit, le début de chaque période peut par exemple commen- cer à 6 heures, du matin, respectivement du soir. Si le disque 27 indique les heures à la façon anglo-saxonne, il peut porter les indications AM et PM et dans ce cas, les périodes coïncideront avec les deux périodes de 12 heures des disques 1, 2.An indication gives information intended to distinguish the hours of the day from those of the night. To this end, a disc 27 (Figures 1 and 6) which moves under a window D is fixed to a star wheel 28 (Figures 5 and 6) positioned by a jumper spring 29. This star wheel 28 is driven each 12 hours by a finger 30a secured to a pinion 30 which makes two turns in 24 hours, driven by a wheel 31 engaged with a coaxial wheel 32 and secured to the wheel 24. The disc 27 bears indications capable of distinguishing one on the other, the two 12-hour periods. The two periods indicated by the disc 27 each have 12 hours. It does not necessarily coincide with the 12-hour periods of the time display discs 1, 2. Indeed, if the disc 27 distinguishes between day and night, the start of each period can for example begin cer at 6 am, respectively in the evening. If the disc 27 indicates the hours in the Anglo-Saxon way, it can carry the indications AM and PM and in this case, the periods will coincide with the two 12-hour periods of the discs 1, 2.

Le mécanisme d'affichage à sauts instantanés qui vient d' être décrit présente la particularité que ses différents organes ne peuvent pas tourner dans le sens inverse de celui des aiguilles de la montre. En effet, la présence des roues à cames 7 et 19 dont les dents triangulaires comportent chacune un côté à orientation radiale, ne permet la rotation que dans un sens, puisque dans le sens opposé, les flancs radiaux des dents bloquent la roue lorsque la bascule est au fond d'un espace séparant deux dents. Si on pouvait entraî- ner ces rouages dans les deux sens comme dans les autres montres, on pourrait causer de gros dégâts au mouvement de la montre.The instantaneous jump display mechanism which has just been described has the particularity that its various organs cannot rotate in the opposite direction to that of the hands of the watch. Indeed, the presence of the cam wheels 7 and 19, the triangular teeth of which each have a side with radial orientation, allows rotation only in one direction, since in the opposite direction, the radial sides of the teeth block the wheel when the rocker is at the bottom of a space separating two teeth. If we could drive these cogs in both directions as in other watches, we could cause great damage to the movement of the watch.

Même en résolvant ce problème du sens de rotation du rouage, si la mise à l'heure devait être effectuée à travers le mécanisme de saut instantané du mécanisme d'affichage des minutes, la mise à l'heure serait extrêmement longue à effectuer en raison de l'entraînement pas à pas de la roue dentée en étoile 14 par le mécanisme de bascules 8, 10 et de la vitesse forcément limitée à laquelle ce mécanisme peut être entraîné.Even by solving this problem of the direction of rotation of the gear train, if the time setting were to be carried out by means of the instantaneous jump mechanism of the minute display mechanism, the time setting would be extremely long to perform due to the step-by-step drive of the star gear 14 by the rocker mechanism 8, 10 and the necessarily limited speed at which this mechanism can be driven.

C'est la raison pour laquelle un mécanisme de mise à l'heure particulier a été réalisé afin de satisfaire les deux exigences susmentionnées. Ce mécanisme comporte une tige de remontoir classique 36 sur laquelle est monté un pi- gnon coulant 37 tout aussi classique, qui coulisse de manière traditionnelle sur une partie de section carrée de la tige de remontoir 36, de sorte que ce pignon coulant 37 est solidaire en rotation de cette tige de remontoir quelle que soit sa position le long de cette tige de remontoir 36. Ce pignon coulant 37 comporte, comme tous les pignons coulants classiques, une gorge dans laquelle une bascule 38 est en prise. Cette bascule 38 est commandée par une tirette 39 montée pivotante et dont un doigt est en prise, de manière habituelle, dans une gorge de la tige de remontoir. Lors des déplacement axiaux de la tige de remontoir 36, la tirette 39 pivote et commande le pivotement de la bascule 38 qui déplace le pignon coulant 37 dans deux positions illustrées res- pectivement par les figures 7 et 8.This is the reason why a particular time-setting mechanism has been implemented in order to satisfy the two above-mentioned requirements. This mechanism comprises a conventional winding stem 36 on which is mounted an equally conventional sliding pinion 37, which traditionally slides on a square section portion of the winding rod 36, so that this sliding pinion 37 is integral in rotation of this winding stem what that is its position along this winding stem 36. This sliding pinion 37 comprises, like all conventional sliding pinions, a groove in which a rocker 38 is engaged. This lever 38 is controlled by a pull tab 39 pivotally mounted and of which a finger is engaged, in the usual way, in a groove of the winding stem. During the axial displacements of the winding stem 36, the pull tab 39 pivots and controls the pivoting of the lever 38 which moves the sliding pinion 37 in two positions illustrated respectively in FIGS. 7 and 8.

Lorsque le pignon coulant 37 est dans la position illustrée par la figure 8, c'est-à-dire en position de mise à l'heure, sa denture de chant est en prise avec un renvoi de mise à l'heure 40. Ce renvoi 40 présente une denture de chant de type Breguet 40a (figure 9) en prise avec une denture de chant de type Breguet 41a également, solidaire d'un second renvoi coaxial 41. Le second renvoi 41 est monté pivotant sur un élément de pivotement tubulaire 42 dans lequel un ressort à boudin 43 est logé. Ce ressort 43 presse l'une contre l'autre les deux dentures en dents de scie 40a, 41a, de sorte que le renvoi 40 ne transmet sa rotation au renvoi 41 que dans un sens, étant donné que dans l'autre sens, les dentures en dents de scie désengrènent et provoquent le débrayage du renvoi 41, celui-ci pouvant coulisser axialement sur l'élément de pivotement tubulaire 42. Cette disposition permet donc de n'entraîner les mécanismes d'affichage des heures et des minutes que dans le sens voulu, évitant ainsi tout risque de détérioration de ces mécanismes.When the sliding pinion 37 is in the position illustrated in FIG. 8, that is to say in the time setting position, its edge teeth are engaged with a time setting reference 40. This reference 40 has a Breguet 40a type edge teeth (FIG. 9) engaged with a Breguet 41a type edge teeth also, integral with a second coaxial reference 41. The second reference 41 is pivotally mounted on a tubular pivoting element 42 in which a coil spring 43 is housed. This spring 43 presses the two sawtooth teeth 40a, 41a against each other, so that the gear 40 does not transmit its rotation to the gear 41 in one direction, since in the other direction, the sawtooth teeth disengage and cause the disengagement of the gear 41, the latter being able to slide axially on the tubular pivoting element 42. This arrangement therefore makes it possible to drive the hours and minutes display mechanisms only in the desired direction, thus avoiding any risk of deterioration of these mechanisms.

La bascule 38 se termine par deux bras formant un élé- ment de préhension 38a entre lesquels se situe une extrémité d'une bascule de correction 44 qui porte trois renvois 45, 46, 47 et qui est pivotée coaxialement au renvoi 46. Dans la position de remontage du mécanisme de mise à l'heure illus- trée par la figure 7, les trois renvois 45, 46, 47 sont déconnectés du renvoi 41 et du pignon 14a solidaire de la roue en étoile 14 des unités de minutes. Lorsque la tige de ' remontoir 36 déplace le mécanisme de mise à l'heure dans la position illustrée par la figure 8, la bascule de correction 44 est déplacée et met simultanément le renvoi 45 en prise avec le renvoi 41 et le renvoi 47 en prise avec le pignon 14a de la roue en étoile 14 d'affichage des unités de minutes. Cette bascule de correction 44 constitue un mécanisme pour établir une connexion directe entre le pignon coulant 37 et la roue en étoile 14 d'affichage des unités de minutes .The lever 38 ends in two arms forming a gripping element 38a between which is located one end of a correction lever 44 which carries three references 45, 46, 47 and which is pivoted coaxially with the reference 46. In the position for reassembling the time-setting mechanism illus- trée by Figure 7, the three references 45, 46, 47 are disconnected from the reference 41 and the pinion 14a integral with the star wheel 14 of the minute units. When the stem of 'winding 36 moves the time-setting mechanism in the position illustrated in Figure 8, the correction lever 44 is moved and simultaneously sets the reference 45 in engagement with the reference 41 and reference 47 engages with the pinion 14a of the star wheel 14 for displaying the units of minutes. This correction lever 44 constitutes a mechanism for establishing a direct connection between the sliding pinion 37 and the star wheel 14 for displaying the units of minutes.

Grâce à cette disposition, le mécanisme d'entraînement à saut instantané de la roue en étoile 14 est mis hors ser- vice, le déplacement des disques 3 et 4 étant effectué par l'intermédiaire des renvois 41, 45, 46, 47 et du pignon 14a, ce qui permet une mise à l'heure beaucoup plus rapide qu'en passant à travers le mécanismes des bascules 8 et 10.Thanks to this arrangement, the instantaneous jump drive mechanism of the star wheel 14 is put out of service, the displacement of the discs 3 and 4 being effected by means of the references 41, 45, 46, 47 and the pinion 14a, which allows setting the time much faster than passing through the mechanisms of flip-flops 8 and 10.

Un renvoi 48, en prise avec la roue d'entraînement 5 solidaire de la chaussée, est également mis en prise en position de mise à l'heure du mécanisme de remontage et de mise à l'heure, avec le renvoi 45a, en sorte que le mouvement unidirectionnel de rotation du renvoi 41 est également transmis au rouage du mécanisme d'affichage des heures, ainsi qu'à tous les autres mécanismes d'affichage qui peuvent encore être associés.A reference 48, engaged with the drive wheel 5 integral with the road, is also engaged in the time setting position of the winding and time setting mechanism, with the reference 45a, so that the unidirectional movement of rotation of the reference 41 is also transmitted to the train of the hour display mechanism, as well as to all the other display mechanisms which may still be associated.

Comme on a pu le constater au cours de la description précédente, tous les changements d'affichage des minutes et des heures, ainsi que l'affichage dérivé de celui des heu- res, à savoir l'indication du jour et de la nuit, sont commandés par la roue à cames 7 et les bascules 8, 11, respectivement par la roue à cames 19 et la bascule associée 20. La figure 1 montre que la pièce d'horlogerie décrite ici comporte encore un disque d'affichage des jours de la semaine 49, une aiguille 50 pour l'affichage des quantièmes du mois, ainsi qu'un disque 51 pour l'affichage des phases de la lune. L'entraînement de ces organes d'affichage est réalisé à partir d'un pignon 52 (figures 2 et 5) solidaire de la roue à cames des heures 19 elle-même solidaire de la roue à canon (non représentée) du rouage de minuterie habituel de toutes les montres à affichage mécanique. Ces méca- nismes sont de type classique et ne font pas partie de la présente invention, en sorte qu'il n'est pas utile de les décrire ici, dans la mesure où ils ne sont pas nécessaire à la compréhension de la présente invention.As we could see during the previous description, all changes to the display of the minutes and hours, as well as the display derived from that of the hours, namely the indication of day and night, are controlled by the cam wheel 7 and the rockers 8, 11, respectively by the cam wheel 19 and the associated rocker 20. FIG. 1 shows that the timepiece described here also includes a disc for displaying the days of the week 49, a hand 50 for displaying the calendar of the month, as well as a disc 51 for displaying the phases from the moon. The drive of these display members is carried out from a pinion 52 (FIGS. 2 and 5) integral with the hour cam wheel 19 itself integral with the barrel wheel (not shown) of the timer train usual of all watches with mechanical display. These mechanisms are of conventional type and do not form part of the present invention, so that it is not useful to describe them here, insofar as they are not necessary for the understanding of the present invention.

Il est évident que le mécanisme d'affichage mécanique objet de la présente invention doit surmonter les frottements des organes d'affichage, ainsi que la perte d'énergie provoquée par l'armage des ressorts destinés à emmagasiner une énergie suffisante pour déplacer les organes d'affichage par sauts instantanés et pour vaincre la force des ressorts sautoirs de positionnement des disques d'affichage. Il est évident qu'un tel mécanisme d'affichage ne peut fonctionner que si l'état de surface des surfaces de frottement des différents organes de ce mécanisme permet de réduire le plus possible les frottements. C'est ainsi, en particulier, que dans le cas de la roue en étoile 17, solidaire du disque des dizaines de minutes 3, qui se présente sous la forme d'un anneau* (figure 4), le palier sur lequel pivote la surface circulaire interne de cet anneau sera avantageusement en rubis . It is obvious that the mechanical display mechanism object of the present invention must overcome the friction of the display organs, as well as the loss of energy caused by the arming of the springs intended to store sufficient energy to move the organs of display by instantaneous jumps and to overcome the force of the jumper springs for positioning the display discs. It is obvious that such a display mechanism can only function if the surface condition of the friction surfaces of the various members of this mechanism makes it possible to reduce friction as much as possible. Thus, in particular, in the case of the star wheel 17, integral with the tens of minutes disc 3, which is in the form of a ring * (Figure 4), the bearing on which the the inner circular surface of this ring will advantageously be in ruby.

Claims

REVENDICATIONS 1. Dispositif mécanique d'affichage des heures et des minutes, caractérisé en ce qu'il comporte quatre disques (1, 2, 3, 4), deux (1, 2) pour afficher respectivement les dizaines et unités d'heures, deux (3, 4) pour afficher respectivement les dizaines et unités de minutes, chaque disque étant solidaire d'une roue dentée associée à un ressort sautoir de positionnement, lesdites roues dentées (25, 14) so- lidaires des deux disques (2, 4) pour afficher respectivement les unités d'heures et de minutes étant associées à des mécanismes à bascules respectifs (8, 10, 20) pressés par des moyens élastiques (16, 21) contre des organes à cames de sauts instantanés respectifs (7, 19) et comporte encore, entre lesdits organes à cames (7, 19) et lesdites roues dentées (17, 26) solidaires respectivement desdits disques des dizaines de minutes et d'heures (3, 1) des moyens (14a, 17a, 24b) pour relier lesdites roues dentées (17, 26) aux- dits organes à cames de sauts instantanés respectifs (7, 19) à chaque changement de dizaines.1. Mechanical device for displaying the hours and minutes, characterized in that it comprises four disks (1, 2, 3, 4), two (1, 2) for displaying respectively the tens and units of hours, two (3, 4) for displaying respectively the tens and units of minutes, each disc being integral with a toothed wheel associated with a jumper positioning spring, said toothed wheels (25, 14) integral with the two discs (2, 4 ) to display respectively the units of hours and minutes being associated with respective rocker mechanisms (8, 10, 20) pressed by elastic means (16, 21) against respective instantaneous jump cam members (7, 19 ) and further comprises, between said cam members (7, 19) and said toothed wheels (17, 26) respectively secured to said discs for tens of minutes and hours (3, 1) of the means (14a, 17a, 24b) for connecting said toothed wheels (17, 26) to said instantaneous jump cam members s respective (7, 19) at each change of tens. 2. Dispositif selon la revendication 1 dans lequel les axes de rotation desdites roues dentées (14, 17) solidaires respectivement desdits disques d'affichage des unités (4) et des dizaines (3) de minutes sont parallèles et disposés pour que deux portions respectives des dentures de ces roues dentées (14, 17) se superposent, une dent sur dix de ladite roue dentée (14) solidaire dudit disque d'affichage des unité présentant une saillie (14a) dirigée vers l'autre roue dentée (17), alors que chaque dent de cette dernière roue présente une saillie (17a) dirigée vers l'autre roue dentée (14), de sorte qu'à chaque tour de la saillie (14a) de ladite roue d'a fichage des unités (14), cette saillie (14a) entraîne d'un pas ladite roue d'affichage des dizaines. 2. Device according to claim 1 wherein the axes of rotation of said toothed wheels (14, 17) respectively integral with said display disks of the units (4) and tens (3) of minutes are parallel and arranged so that two respective portions the teeth of these toothed wheels (14, 17) overlap, one tooth in ten of said toothed wheel (14) integral with said display disc of the units having a projection (14a) directed towards the other toothed wheel (17), while each tooth of this last wheel has a projection (17a) directed towards the other toothed wheel (14), so that at each turn of the projection (14a) of said unit display wheel (14) , this projection (14a) drives said tens display wheel with one step. 3. Dispositif selon l'une des revendications précédentes, dans lequel lesdites roues dentées (25, 26) solidaires respectivement desdits disques d'affichage des unités (2) et des dizaines (1) d'heures sont concentriques, un mobile (24) à double renvoi (24a, 24b) étant interposé entre ledit mécanisme à bascule (20) et lesdites roues, le premier renvoi (24a) dudit mobile (24) étant en prise d'une part avec ledit mécanisme à bascule (20) agencé pour l'entraîner d'un pas par heure et d'autre part, avec ladite roue dentée (25) so- lidaire dudit disque d'affichage des unités d'heures (2), le second renvoi (24b) dudit mobile (24) comportant des dents (24b) disposées angulairement pour venir en prise avec ladite roue dentée (26) solidaire dudit disque d'affichage des dizaines d'heures lors du passage des dizaines et toutes les douze heures.3. Device according to one of the preceding claims, wherein said toothed wheels (25, 26) respectively integral with said display discs of the units (2) and tens (1) of hours are concentric, a mobile (24) with double deflection (24a, 24b) being interposed between said rocking mechanism (20) and said wheels, the first deflection (24a) of said mobile (24) being engaged on the one hand with said rocking mechanism (20) arranged to drive it one step per hour and on the other hand, with said toothed wheel (25) in solidarity with said hour unit display disc (2), the second gear (24b) of said mobile (24) comprising teeth (24b) arranged angularly to engage said toothed wheel (26) integral with said display disk for tens of hours during the passage of tens and every twelve hours. 4. Dispositif selon l'une des revendications précédentes, comprenant un mécanisme de mise à l'heure dont le rouage comporte des moyens (40-43) de transmission unidirectionnelle de la rotation de la tige de remontoir et de mise à l'heure (36) .4. Device according to one of the preceding claims, comprising a time-setting mechanism, the gear train of which comprises means (40-43) for unidirectional transmission of the rotation of the winding stem and for setting the time ( 36). 5. Dispositif selon la revendication 4, dans lequel le mécanisme de mise à l'heure comporte d'une part des moyens5. Device according to claim 4, in which the time-setting mechanism comprises on the one hand means (44-47) pour établir, en position de mise à l'heure de ladite tige de remontoir et de mise à l'heure (36), une liaison directe entre cette dernière et ladite roue dentée (14) solidaire dudit disque (4) pour afficher les unités de minutes et d'autre part, des moyens (45a, 48) pour établir, en position de mise à l'heure de ladite tige de remontoir et de mise à l'heure (36), une liaison entre cette dernière et ledit mobile (24) à double renvoi (24a, 24b) interposé entre ledit mécanisme à bascule (20) et lesdites roues dentées (25, 26) solidaires respectivement desdits disques d'affichage des unités (2) et des dizaines (1) d'heures. (44-47) to establish, in the time setting position of said winding and time setting rod (36), a direct connection between the latter and said toothed wheel (14) integral with said disc (4 ) to display the units of minutes and on the other hand, means (45a, 48) for establishing, in the time setting position of said winding and time setting rod (36), a connection between the latter and said mobile with double deflection (24a, 24b) interposed between said rocking mechanism (20) and said toothed wheels (25, 26) integral respectively with said display discs of the units (2) and tens ( 1) hours.
EP03798851A 2002-10-01 2003-09-29 Mechanical hour and minute display device Expired - Lifetime EP1546818B1 (en)

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EP03798851A EP1546818B1 (en) 2002-10-01 2003-09-29 Mechanical hour and minute display device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02405843A EP1406131A1 (en) 2002-10-01 2002-10-01 Mechanical device for the display of hours and minutes
EP02405843 2002-10-01
PCT/CH2003/000645 WO2004031869A2 (en) 2002-10-01 2003-09-29 Mechanical hour and minute display device
EP03798851A EP1546818B1 (en) 2002-10-01 2003-09-29 Mechanical hour and minute display device

Publications (2)

Publication Number Publication Date
EP1546818A2 true EP1546818A2 (en) 2005-06-29
EP1546818B1 EP1546818B1 (en) 2006-07-12

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ID=31985169

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02405843A Withdrawn EP1406131A1 (en) 2002-10-01 2002-10-01 Mechanical device for the display of hours and minutes
EP03798851A Expired - Lifetime EP1546818B1 (en) 2002-10-01 2003-09-29 Mechanical hour and minute display device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02405843A Withdrawn EP1406131A1 (en) 2002-10-01 2002-10-01 Mechanical device for the display of hours and minutes

Country Status (8)

Country Link
US (1) US7075860B2 (en)
EP (2) EP1406131A1 (en)
JP (1) JP4594094B2 (en)
CN (1) CN100389367C (en)
AT (1) ATE333115T1 (en)
AU (1) AU2003264222A1 (en)
DE (1) DE60306790D1 (en)
WO (1) WO2004031869A2 (en)

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Also Published As

Publication number Publication date
WO2004031869A2 (en) 2004-04-15
AU2003264222A8 (en) 2004-04-23
EP1546818B1 (en) 2006-07-12
US20050152225A1 (en) 2005-07-14
AU2003264222A1 (en) 2004-04-23
CN100389367C (en) 2008-05-21
CN1685292A (en) 2005-10-19
US7075860B2 (en) 2006-07-11
JP2006501451A (en) 2006-01-12
HK1074082A1 (en) 2005-10-28
EP1406131A1 (en) 2004-04-07
JP4594094B2 (en) 2010-12-08
ATE333115T1 (en) 2006-08-15
WO2004031869A3 (en) 2004-08-05
DE60306790D1 (en) 2006-08-24

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