EP2813901B1 - Mechanism for displaying the number of the week in the year - Google Patents

Mechanism for displaying the number of the week in the year Download PDF

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Publication number
EP2813901B1
EP2813901B1 EP14164021.9A EP14164021A EP2813901B1 EP 2813901 B1 EP2813901 B1 EP 2813901B1 EP 14164021 A EP14164021 A EP 14164021A EP 2813901 B1 EP2813901 B1 EP 2813901B1
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EP
European Patent Office
Prior art keywords
week
mobile
pawl
cam
display
Prior art date
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Active
Application number
EP14164021.9A
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German (de)
French (fr)
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EP2813901A3 (en
EP2813901A2 (en
Inventor
Lukas Gisler
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Patek Philippe SA Geneve
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Patek Philippe SA Geneve
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Publication date
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Publication of EP2813901A2 publication Critical patent/EP2813901A2/en
Publication of EP2813901A3 publication Critical patent/EP2813901A3/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
    • 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
    • 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
    • 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
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • G04B19/2538—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement automatically corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to a mechanism for displaying the number of the week in the year suitable for equipping a timepiece whose movement comprises a first mobile performing one turn per week and whose position is significant for the day of the week and a second mobile performing a turn per month and whose position is significant the calendar of the month, the timepiece having a display of the number of the week in the year.
  • Document is known WO2007 / 085607 a display device that allows to drive a mobile display member of the week number in the year of one step per week between Sunday and Monday and a further step to another time of the fifty -second week if during this fifty-second week a display mobile of the date passes from the display of "27" to the display of "28" of the month.
  • Such a device is not satisfactory because it requires a first mechanism causing a jump of the mobile display unit of the week number once a week between the Sunday and the following Monday and a second mechanism causing an additional jump of said mobile display unit of the week number during the fifty-second week but not from Sunday to Monday, so that the indication of the week number provided by this display device is false during part of the fifty - second week and / or first week of the year with only fifty-two weeks.
  • the object of the present invention is to propose a mechanism for displaying the number of the week in the year which is simple and which gives an exact indication of the number of the week at any time of the year that it includes fifty. -two or fifty-three weeks and this from the knowledge of the day of the week and its date only.
  • Another aim of the present invention is to propose a mechanism for displaying the number of the week in which the mobile whose position is significant for the number of the week is not necessarily coaxial with the mobile whose position is significant for the day of the month for to facilitate their integration into the movement of a timepiece.
  • Another object of the present invention is to propose a mechanism for displaying the number of the week which does not require any manual or automatic correction other than those of adjusting the day of the month to take account of the months of twenty-eight days, thirty days and thirty-one days and leap years with twenty-nine February. Therefore this mechanism is adapted to be incorporated in the movement of a timepiece having a date display that it is monthly, annual or perpetual.
  • the subject of the present invention is a mechanism for displaying the number of the week according to claim 1.
  • the present invention also relates to a timepiece according to claim 8.
  • the purpose of the display mechanism according to the invention is to easily determine, whatever the current year, for each day of the year, the number of the week in that year in which it is located and this using only two pieces of information, the day of the week and its date in the month.
  • a mobile display member is mechanically displaced from the number of the week in the year next to a graduation or a counter, the mobile display member or the graduation comprising fifty-three marks separated by intervals of display, in successive steps at a rate of one unit, corresponding to a display interval, per week in the night from Sunday to the following Monday to display the numbers of the week "1" to "52" or "53”; and, if while the mobile display member of the week number in the year displays the week number "52" on Sunday bears a different date than the "26" or the "27” of the month, then mechanically moves the mobile display member of the week number in the year in the night of Sunday to Monday following a double step, corresponding to two display intervals.
  • the mechanism for displaying the number of the week in the year according to the invention is simple. It does not require any correction other than the adjustment of the date and is easily integrated in a movement of a timepiece.
  • This mechanism comprises a first mobile capable of being driven at a rate of one step per day, the position is significant day of the week; a second mobile capable of being trained at a rate of one step per day, the position of which is significant on the day of the month; and a third mobile, whose position is significant of the number of the week in the year, resulting in a mobile device for displaying the number of the week in the year next to a graduation or wicket, this organ mobile display of the number of the week or the graduation comprising fifty-three marks separated by intervals of display.
  • the first mobile comprises a first cam; the second mobile comprises a second cam; and the third mobile comprises a star of fifty-three teeth integral with a drive member.
  • This mechanism also comprises a first latch cooperating with the first cam, this first latch comprising a first pawl cooperating with the teeth of the star of fifty-three and a second pawl cooperating with the drive member; It also comprises a second latch cooperating on the one hand with the second cam and on the other hand with the second pawl, all arranged so that the star of fifty-three is driven by a step corresponding to a display interval per week from Sunday to Monday following the first ratchet and that during week number "52" this star of fifty-three is driven with a double step, corresponding to two intervals of posting, from Sunday to the following Monday if Sunday this week number "52" carries a date other than "26" or "27” by the second pawl cooperating with the drive member.
  • the first mobile whose position is significant from the day of the week and the third mobile whose position is significant of the number of the week are not coaxial as is the case in most timepiece movements including a display of the day of the week, a display of the calendar and a displaying the number of the week, which greatly facilitates the integration of the display mechanism of the number of the week in the movement of such a timepiece.
  • the number display mechanism of the week is designed so that the mobile display unit of the number of the week is driven with a unit step or a double step each week in the night of the Sunday to the following Monday, preferably instantaneously, at midnight or in a range of plus or minus a few minutes before or after midnight.
  • a mechanism for displaying the particular week number will be described by way of example and preferred embodiment.
  • the figure 7 of the appended drawing illustrates a timepiece comprising a housing 1 and a dial 2.
  • This timepiece comprises a time display comprising indexes 3, an hour hand 4 and a minute hand 5.
  • This timepiece comprises still a display of the days of the week consisting of a hand of days 6 and a graduation of days 7 carried by the dial, at nine o'clock, where the name of the abbreviated days are inscribed in a crown on the dial 2.
  • This timepiece also includes a date display formed by a date hand 8 and a date graduation 9 carried by the dial 2 at six o'clock, with the numbers "1" to "31" arranged in a ring on the dial 2.
  • This timepiece also includes a display of the number of the week formed by a week number hand cooperating with a graduation of the number of the week 12 comprising the numbers of weeks "1" to "53" evenly distributed to the periphery of the dial 2.
  • This display of the week number 10, 11 is controlled by a display mechanism of the number of the week according to the invention incorporated into the movement of the timepiece.
  • the figure 8 illustrates a variant of the timepiece equipped with the display mechanism of the number of the week in which the display of the number of the week is formed by a mobile display member 11 constituted by a window 10 of the dial, located at twelve hours, revealing a portion of a mobile display member of the number of the week 11.
  • this display unit of the number of the week 11 is a disc, concentrically rotated at the time switch 4, 5 and bearing along its periphery the numbers of weeks "1" to "53" evenly distributed which appear successively in the window as the rotation of the mobile display member of the number of the week 11
  • the other displays of this timepiece are in accordance with those shown in figure 7 and described above.
  • the figure 9 is a table representing the different possible cases of end-of-year weeks. As indicated in the introduction, the table that matches the name of the days, its date and the number of the week in which it has been established for more than four hundred years shows that only the eight different end of the year on the figure 9 are possible. For each of these eight cases the figure 9 represents the last ten days of a year and the first eleven days of the following year, indicating for each day its name and date. Moreover this table indicates for each case of weeks of end of year the years for which it intervenes.
  • the mechanism according to the invention must therefore be able to advance each week between Sunday and the following Monday, if possible instantly and as close to midnight as possible, the mobile unit of display of the number of the week of a unitary step and a double step on the Sundays of the week "52" other than the "26" or "27” for skip the display of the week number fifty-three since in this case the year is only fifty-two weeks.
  • This mechanism for displaying the number of the week in the year includes a first mobile 13 adapted to be driven step by step one turn per week in seven successive steps whose position is significant day of the week.
  • This first mobile 13 carries a first cam 14 which in the example shown is a snail cam.
  • This first cam 14 cooperates with a first flip-flop 15, or flip-flop of weeks, pivoted about an axis of first flip-flop O.
  • This first flip-flop comprises a first probe 16 and is subjected to an elastic return action (not shown) tending to keep the probe 16 in contact with the periphery of the first cam 14.
  • the first cam 14 is indexed on the first mobile 13 and positioned relative to the probe 16 of the first latch 15 so that this probe falls from the upper part of the first cam 14 on the lower part of the first cam 14 when the first mobile passes from the position it occupies on Sunday to its position it occupies the following Monday.
  • This first rocker 15 comprises a first pivot 17 serving as an axis of rotation to a first pawl 18, or ratchet weeks, comprising a first arm ending in a pusher 19 and a second arm ending in a pin 20 engaged in a slot oblong 21 that includes the first latch 15 and limiting the angular displacements of the first pawl 18 relative to the first latch 15.
  • This first pawl 18 is subjected to an elastic return action (not shown) tending to move it clockwise by compared to the first flip-flop 15.
  • the first rocker further comprises a second pivot 22 serving as an axis of rotation to a second pawl 23, or ratchet fifty-third week, having a first arm terminating in a spout 24 and a second arm having a slide 25.
  • This second pawl 23 is also subjected to an elastic return action tending to move it clockwise with respect to the first lever 15.
  • the pivot points 17, 22 of the first and second pawls 18, 23 on the first rocker 15 and the length of the first arms of these first and second pawls respectively carrying the pusher 19 and the spout 24 are such that during the fall of the first probe 16 of the first flip-flop from the high point to the low point of the first cam 14 the amplitude of the stroke made by the second pawl 23 of the first flip-flop 15 is substantially equal to twice the stroke made by the first pawl 18 of this first rocker 15.
  • This mechanism for displaying the number of the week in the year also includes a second mobile 26 capable of being driven step by step on the basis of one turn per month in thirty-one successive steps whose position is significant for the calendar of the month.
  • this second mobile 26 is a date star or thirty-one teeth performing a step per day or more at the end of the month of less than thirty-one days.
  • This second mobile 26 carries a second cam 27, or isolation cam, which in the example shown is a snail cam.
  • a second flip-flop 28, or isolation flip-flop, is pivoted at X on a fixed part of the mechanism or the clockwork comprising this week number display mechanism and includes a first arm terminating in a second probe 29 cooperating with the periphery of the second cam 27.
  • This second rocker 28 comprises a second arm carrying at its free end a stud 30 engaged in the slide 25 of the second pawl 23 of the first rocker 15.
  • This second rocker 28 is subjected to an action elastic (not shown) tending to apply the second probe 29 against the periphery of the second cam 27.
  • This second cam 27 pivoted Z on a fixed part of the movement has a low point 31 and its diameter increases in the counterclockwise direction to a point "high" 32. From this point "high” 32 the periphery of the second cam 27 is circular. Alternatively, however, the outer diameter of the second cam 27 could continue to increase to its point of fall 33.
  • the angular distance between the "high" point 32 of the drop point 33 of the second cam 27 is at least two steps successive of this cam 27 but is in any case less than three successive steps of this second cam 27.
  • the indexing of the second cam 27 on the second mobile 26 and its position relative to the second probe 29 of the second latch 28 are such that the portion of the second cam 27 located between its point “high” and its point of fall 33 is in contact with said second probe 29 of the second latch 28 while the second mobile is in an angular position corresponding to the dates "26" and "27" of the month.
  • "high" point 32 of the cam 27 is meant the point of this cam from which the second latch 28 maintains the spout 24 of the second pawl 23 in the inactive position, outside the path of the single tooth 36 of the third cam 35.
  • This mechanism for displaying the number of the week also comprises a third mobile 34, or star of weeks, constituted in this embodiment by a star of fifty-three teeth carrying a third cam 35.
  • This third mobile 34 carries the mobile display member 11, graduated disc or needle, the display number of the week.
  • This third mobile 34 is pivoted at Y on a fixed part of the mechanism or movement and the diameter of its teeth of fifty-three teeth and the diameter of the third cam 35 are such that the first pawl 18 of the first lever 15 cooperates by its pusher 19 with the toothing of the third mobile 34 and that the second pawl 23 of this first latch 15 cooperates through its nose 24 with the third cam 35.
  • This third cam 35 is formed in the embodiment illustrated by a disc having a tooth 36 on its periphery and has a diameter less than the star of weeks.
  • This single tooth 36 of the third cam 35 is indexed relative to the third mobile so as to be in the active position on the trajectory of the spout 24, when the movable display member 11 displays the number "52".
  • This single tooth 36 constitutes a device for actuating the third mobile 34 in rotation.
  • the first mobile 13 may be the star of seven days of the week of the movement and the second mobile 26 may be the date star of the movement.
  • the spout 24 of the second pawl 23 will be in active position against the periphery of the third cam 35, indeed the second probe 29 does not will not be in contact with the portion of the second cam 27 located between its high point 32 and its point of fall 33 so that the second pawl 23 will be released and not maintained in the inactive position by the pin 30 of the second latch 28, and upon the fall of the first latch 15 the second pawl 23 thereof will cause the single tooth 36 of the third cam 35 to a value of two unitary steps, a double pitch; the third mobile 34 will move from its position indicating the fifty-second week to its position indicating the first week of the following year (see Figures 4 to 6 ).
  • the second pawl 23 of the first rocker 15 will be held inactive position by the second latch 28, its beak 24 will escape the single tooth 36 of the third cam 34 and the third mobile will be driven only one unit step by the first pawl 18 of the first latch so that it will move from its position indicating the fifty-second week to its position indicating the fifty-third week (see figure 1 to 3 ).
  • this mechanism permits indexing of a unitary step corresponding to a display interval each week from Sunday to the following Monday of the third mobile 34 and a double step corresponding to two display intervals of this third mobile 34 if the Sunday of the week "52" carries a date other than the "26" or the "27".
  • the figure 1 illustrates the number display mechanism of the week in the position it occupies on a Sunday 27 of the week "52" of a year as indicated by the arrows a and b next to the teeth of the second mobile 26 and the third mobile 34.
  • the date star 26 When lifting the large date scale (not shown) from “27” to "28” around midnight, the date star 26 is advanced one step ( fig.2 ). The second probe 29 of the second flip-flop 28 is then resting on the second cam 27 just before reaching the point of fall 33 of this second cam 27.
  • the first mobile 13 advances one step ( Fig. 3 ) causing the fall of the first probe 16 and the drive of a unitary step of the movable display member 11 by the pusher 19 of the first pawl 18 of the first latch 15. This making the spout 24 of the second pawl 23 of this first rocker 15 passes over the single tooth 36 of the third cam 25 without driving it.
  • the mechanism for displaying the number of the week is in the position illustrated in the figure 3 , the mobile display member 11 carried by the third mobile 34 has advanced one step and displays the week number "53", the first pawl 18 of the first lever 15 has returned to the rest position under the action of its return spring.
  • the second mobile 26 has advanced one step and displays the date "28".
  • the figure 4 illustrates the position of the weekly number display mechanism on Sunday 28 of the week "52" as indicated by the arrows a and b.
  • the large date latch (not shown) causes midnight when lifting the lead of one step of the date star 26 causing the fall of the second probe 29 on the part low of the second cam 27 ( figure 5 ).
  • the spout 24 of the second pawl 23 falls on the periphery of the third cam 35 just in front of the single tooth 36.
  • the first mobile 13 is driven by one step and the first probe 16 of the first fall rocker causing by its second pawl 23 the single tooth 36 of the third cam 35 of a double step thus passing the display of the number of the week of "52" directly to "1" by jumping the " 53 "and the weekly number display mechanism is then in the position illustrated in figure 6 .
  • the angular position of the first, second and third movable between their actuation step by step is generally provided by jumpers.
  • the three main mobiles, the first, second and third mobile are not arranged coaxially and in a movement the first mobile can be coaxial with the star of days, the second mobile be coaxial with the mobile date and the third mobile to be coaxial with the time display.
  • the week number display mechanism can thus be easily integrated into the architecture of an existing watch movement including a display of the name of the days and a display of the date.
  • the actuating member 36 of the third mobile 34 is a cam formed of a disc with a tooth 36.
  • this actuating member 36 could consist of by a pin secured to the third mobile 34 or a tooth connected to the third mobile 34 by a spring.

Description

La présente invention concerne un mécanisme d'affichage du numéro de la semaine dans l'année apte à équiper une pièce d'horlogerie dont le mouvement comporte un premier mobile effectuant un tour par semaine et dont la position est significative du jour de la semaine et un second mobile effectuant un tour par mois et dont la position est significative du quantième du mois, cette pièce d'horlogerie comportant un affichage du numéro de la semaine dans l'année.The present invention relates to a mechanism for displaying the number of the week in the year suitable for equipping a timepiece whose movement comprises a first mobile performing one turn per week and whose position is significant for the day of the week and a second mobile performing a turn per month and whose position is significant the calendar of the month, the timepiece having a display of the number of the week in the year.

On connaît du document WO2007/085607 un dispositif d'affichage qui permet d'entraîner un organe mobile d'affichage du numéro de la semaine dans l'année d'un pas par semaine entre le dimanche et le lundi et d'un pas supplémentaire à un autre moment de la cinquante-deuxième semaine si au cours de cette cinquante-deuxième semaine un mobile d'affichage du quantième passe de l'affichage du "27" à l'affichage du "28" du mois.Document is known WO2007 / 085607 a display device that allows to drive a mobile display member of the week number in the year of one step per week between Sunday and Monday and a further step to another time of the fifty -second week if during this fifty-second week a display mobile of the date passes from the display of "27" to the display of "28" of the month.

Un tel dispositif n'est pas satisfaisant car il nécessite un premier mécanisme provoquant un saut de l'organe mobile d'affichage du numéro de la semaine une fois par semaine entre le dimanche et le lundi suivant et un second mécanisme provoquant un saut supplémentaire dudit organe d'affichage mobile du numéro de la semaine pendant la cinquante-deuxième semaine mais pas du dimanche au lundi, ce qui fait que l'indication du numéro de la semaine fournie par ce dispositif d'affichage est faux pendant une partie de la cinquante-deuxième semaine et/ou de la première semaine des années ne comportant que cinquante-deux semaines.Such a device is not satisfactory because it requires a first mechanism causing a jump of the mobile display unit of the week number once a week between the Sunday and the following Monday and a second mechanism causing an additional jump of said mobile display unit of the week number during the fifty-second week but not from Sunday to Monday, so that the indication of the week number provided by this display device is false during part of the fifty - second week and / or first week of the year with only fifty-two weeks.

On connaît encore de la demande de brevet publiée CH 704081 A2 un mécanisme qui permet de faire avancer l'affichage du numéro de la semaine de deux pas successifs du dimanche au lundi suivant si dans la cinquante-deuxième semaine de l'année le dimanche le quantième affiche le "28", "29", "30", "31", "1" ou "2". Dans ce mécanisme un mobile dont la position est significative du numéro de la semaine dans l'année est obligatoirement coaxial à un autre mobile dont la position est significative du quantième du mois ce qui peut causer des difficultés d'intégration dans certains mouvements d'horlogerie au moins.There is still a published patent application CH 704081 A2 a mechanism that allows to advance the display of the number of the week of two successive steps from Sunday to the following Monday if in the fifty-second week of the year on Sunday the date displays the "28", "29", " 30 "," 31 "," 1 "or" 2 ". In this mechanism a mobile whose position is significant of the number of the week in the year is necessarily coaxial with another mobile whose position is significant of the calendar of the month which can cause integration difficulties in some watch movements at least.

Le but de la présente invention est de proposer un mécanisme d'affichage du numéro de la semaine dans l'année qui soit simple et qui donne une indication exacte du numéro de la semaine à tout moment de l'année que celle-ci comporte cinquante-deux ou cinquante-trois semaines et ceci à partir de la connaissance du jour de la semaine et de son quantième seulement.The object of the present invention is to propose a mechanism for displaying the number of the week in the year which is simple and which gives an exact indication of the number of the week at any time of the year that it includes fifty. -two or fifty-three weeks and this from the knowledge of the day of the week and its date only.

Un autre but de la présente invention est de proposer un mécanisme d'affichage du numéro de la semaine où le mobile dont la position est significative du numéro de la semaine ne soit pas obligatoirement coaxial au mobile dont la position est significative du quantième du mois pour en faciliter l'intégration dans le mouvement d'une pièce d'horlogerie.Another aim of the present invention is to propose a mechanism for displaying the number of the week in which the mobile whose position is significant for the number of the week is not necessarily coaxial with the mobile whose position is significant for the day of the month for to facilitate their integration into the movement of a timepiece.

Un autre but encore de la présente invention est de proposer un mécanisme d'affichage du numéro de la semaine qui ne nécessite aucune correction manuelle ou automatique autres que celles consistant à ajuster le quantième du mois pour tenir compte des mois de vingt-huit jours, trente jours et de trente et un jours ainsi que des années bissextiles comportant un vingt-neuf février. De ce fait ce mécanisme est apte à être incorporé dans le mouvement d'une pièce d'horlogerie comportant un affichage du quantième que celui-ci soit mensuel, annuel ou perpétuel.Another object of the present invention is to propose a mechanism for displaying the number of the week which does not require any manual or automatic correction other than those of adjusting the day of the month to take account of the months of twenty-eight days, thirty days and thirty-one days and leap years with twenty-nine February. Therefore this mechanism is adapted to be incorporated in the movement of a timepiece having a date display that it is monthly, annual or perpetual.

La présente invention a pour objet un mécanisme d'affichage du numéro de la semaine selon la revendication 1. Enfin la présente invention a aussi pour objet une pièce d'horlogerie selon la revendication 8.The subject of the present invention is a mechanism for displaying the number of the week according to claim 1. Finally, the present invention also relates to a timepiece according to claim 8.

Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution du mécanisme d'affichage du numéro de la semaine dans l'année selon la présente invention.

  • Les figures 1 à 3 sont des vues en plan du mécanisme d'affichage du numéro de la semaine dans l'année dans différentes positions qu'il occupe lors du passage de la semaine "52" à la semaine "53".
  • Les figures 4 à 6 sont des vues en plan du mécanisme d'affichage du numéro de la semaine dans l'année dans différentes positions qu'il occupe lors du passage de la semaine "52" à la semaine "1".
  • La figure 7 est une vue en plan d'une pièce d'horlogerie munie du mécanisme illustré aux figures 1 à 6 avec indication du numéro de la semaine à l'aide d'une aiguille et d'une graduation.
  • La figure 8 est une vue en plan d'une pièce d'horlogerie munie du mécanisme illustré aux figures 1 à 6 avec indication du numéro de la semaine dans l'année dans un guichet.
  • La figure 9 illustre les différents cas possibles pour les semaines de fin d'année portant les numéros de semaine un, cinquante-deux et cinquante-trois respectivement.
The accompanying drawing illustrates schematically and by way of example an embodiment of the display mechanism of the number of the week in the year according to the present invention.
  • The Figures 1 to 3 are plan views of the display mechanism of the number of the week in the year in different positions it occupies during the passage of the week "52" to the week "53".
  • The Figures 4 to 6 are plan views of the display mechanism of the number of the week in the year in different positions it occupies during the passage of the week "52" to the week "1".
  • The figure 7 is a plan view of a timepiece equipped with the mechanism illustrated in Figures 1 to 6 indicating the number of the week using a hand and a tick.
  • The figure 8 is a plan view of a timepiece equipped with the mechanism illustrated in Figures 1 to 6 with indication of the number of the week in the year in a window.
  • The figure 9 illustrates the different possible cases for the end-of-year weeks bearing the numbers of week one, fifty-two and fifty-three respectively.

L'objectif du mécanisme d'affichage selon l'invention est de pouvoir déterminer aisément, quelle que soit l'année en cours, pour chaque jour de l'année, le numéro de la semaine dans cette année dans laquelle il se trouve et ceci à l'aide de deux informations seulement, le jour de la semaine et son quantième dans le mois.The purpose of the display mechanism according to the invention is to easily determine, whatever the current year, for each day of the year, the number of the week in that year in which it is located and this using only two pieces of information, the day of the week and its date in the month.

Il faut donc trouver un critère qui permette cette détermination tant du point de vue technique que du point de vue pratique pour pouvoir être mis en oeuvre mécaniquement avec des moyens simples.We must therefore find a criterion that allows this determination both from the technical point of view and the practical point of view to be implemented mechanically with simple means.

Pour ce faire on a créé un fichier ou table recensant pour chaque jour du 1 janvier 1980 jusqu'au 31 décembre 2400 le nom du jour, son quantième dans le mois et le numéro de la semaine dans lequel ce jour se trouve. Ce tableau tient donc compte des corrections bissextiles, centenaire et quadri-centenaires.To do this we created a file or table listing for each day from January 1, 1980 to December 31, 2400 the name of the day, its date in the month and the number of the week in which this day is. This table therefore takes into account leap, centenary and quadrennial corrections.

Pour créer un tel fichier il suffit de savoir par exemple que le 1er décembre 1980 était un lundi puis d'incrémenter jour par jour l'indication du nom du jour tout en incrémentant le quantième du mois en tenant compte des mois à vingt-huit, vingt-neuf, trente et trente et un jours en respectant les règles usuelles notamment pour les années bissextiles. On obtient ainsi un tableau qui peut s'étendre sur un siècle ou plus faisant correspondre pour chaque jour le nom du jour, son quantième et le numéro de la semaine dans laquelle il se trouve.To create such a file, it is sufficient to know, for example, that the 1 st of December 1980 was a Monday, then to increment day by day the indication of the name of the day while incrementing the date of the month taking into account the months at twenty-eight. , twenty-nine, thirty and thirty-one days in accordance with the usual rules, especially for leap years. We thus obtain a table which can extend over a century or more, for each day the name of the day, its date and the number of the week in which it is

En examinant le tableau ainsi obtenu, on peut identifier les différents cas pouvant intervenir en fin d'année et représenter ces différents cas ou possibilités comme illustré à la figure 9.By examining the table thus obtained, we can identify the various cases that can occur at the end of the year and represent these different cases or possibilities as illustrated in figure 9 .

En examinant de plus près les différentes possibilités de semaines de fin d'année, voir figure 9, on constate que l'année comporte cinquante-trois semaines uniquement si le dimanche de la cinquante-deuxième semaine porte le quantième "26" ou "27". Lorsque le dimanche de la cinquante-deuxième semaine porte le quantième "28", "29", "30", "31", "1" ou "2", l'année n'a que cinquante-deux semaines.Looking more closely at the different possibilities of end-of-year weeks, see figure 9 It can be seen that the year consists of fifty-three weeks only if the Sunday of the fifty-second week bears the date "26" or "27". When the Sunday of the fifty-second week bears the date "28", "29", "30", "31", "1" or "2", the year is only fifty-two weeks.

Fort de cette constatation et en postulant que le quantième du jour soit juste, c'est-à-dire que l'on tienne compte des corrections correspondant aux mois de vingt-huit, vingt-neuf, trente et trente et un jours soit manuellement soit automatiquement de façon mécanique alors on peut énoncer la règle à suivre pour l'affichage du numéro de la semaine dans l'année comme suit :
on déplace mécaniquement un organe d'affichage mobile du numéro de la semaine dans l'année en regard d'une graduation ou d'un guichet, l'organe mobile d'affichage ou la graduation comportant cinquante-trois repères séparés par des intervalles d'affichage, par pas successifs à raison d'un pas unitaire, correspondant à un intervalle d'affichage, par semaine dans la nuit du dimanche au lundi suivant pour afficher les numéros de la semaine "1" à "52" ou "53"; et, si pendant que l'organe d'affichage mobile du numéro de la semaine dans l'année affiche le numéro de semaine "52" le dimanche porte un autre quantième que le "26" ou le "27" du mois, alors on déplace mécaniquement l'organe d'affichage mobile du numéro de la semaine dans l'année dans la nuit de dimanche au lundi suivant d'un pas double, correspondant à deux intervalles d'affichage.Based on this observation and assuming that the day's date is correct, that is to say that the corrections corresponding to the months of twenty-eight, twenty-nine, thirty and thirty-one days be taken manually. either automatically in a mechanical way so you can state the rule for the display of the week number in the year as follows:
a mobile display member is mechanically displaced from the number of the week in the year next to a graduation or a counter, the mobile display member or the graduation comprising fifty-three marks separated by intervals of display, in successive steps at a rate of one unit, corresponding to a display interval, per week in the night from Sunday to the following Monday to display the numbers of the week "1" to "52" or "53"; and, if while the mobile display member of the week number in the year displays the week number "52" on Sunday bears a different date than the "26" or the "27" of the month, then mechanically moves the mobile display member of the week number in the year in the night of Sunday to Monday following a double step, corresponding to two display intervals.

Le mécanisme d'affichage du numéro de la semaine dans l'année selon l'invention est simple. Il ne nécessite aucune correction autre que l'ajustement du quantième et est facilement intégrable dans un mouvement d'une pièce d'horlogerie. Ce mécanisme comporte un premier mobile apte à être entraîné à raison d'un pas par jour, dont la position est significative du jour de la semaine; un second mobile apte à être entraîné à raison d'un pas par jour, dont la position est significative du quantième du mois; et un troisième mobile, dont la position est significative du numéro de la semaine dans l'année, entraînant un organe mobile d'affichage du numéro de la semaine dans l'année en regard d'une graduation ou d'un guichet, cet organe mobile d'affichage du numéro de la semaine ou la graduation comportant cinquante-trois repères séparés par des intervalles d'affichage. Le premier mobile comporte une première came; le second mobile comporte une seconde came; et le troisième mobile comporte une étoile de cinquante-trois dents solidaire d'un organe d'entraînement. Ce mécanisme comporte encore une première bascule coopérant avec la première came, cette première bascule comportant un premier cliquet coopérant avec la denture de l'étoile de cinquante-trois et un second cliquet coopérant avec l'organe d'entraînement; Il comporte encore une seconde bascule coopérant d'une part avec la seconde came et d'autre part avec le second cliquet, le tout agencé pour que l'étoile de cinquante-trois soit entraînée d'un pas correspondant à un intervalle d'affichage par semaine du dimanche au lundi suivant par le premier cliquet et que durant la semaine numéro "52" cette étoile de cinquante-trois soit entraînée d'un pas double, correspondant à deux intervalles d'affichage, du dimanche au lundi suivant si le dimanche de cette semaine numéro "52" porte un quantième autre que le "26" ou le "27" par le second cliquet coopérant avec l'organe d'entraînement.The mechanism for displaying the number of the week in the year according to the invention is simple. It does not require any correction other than the adjustment of the date and is easily integrated in a movement of a timepiece. This mechanism comprises a first mobile capable of being driven at a rate of one step per day, the position is significant day of the week; a second mobile capable of being trained at a rate of one step per day, the position of which is significant on the day of the month; and a third mobile, whose position is significant of the number of the week in the year, resulting in a mobile device for displaying the number of the week in the year next to a graduation or wicket, this organ mobile display of the number of the week or the graduation comprising fifty-three marks separated by intervals of display. The first mobile comprises a first cam; the second mobile comprises a second cam; and the third mobile comprises a star of fifty-three teeth integral with a drive member. This mechanism also comprises a first latch cooperating with the first cam, this first latch comprising a first pawl cooperating with the teeth of the star of fifty-three and a second pawl cooperating with the drive member; It also comprises a second latch cooperating on the one hand with the second cam and on the other hand with the second pawl, all arranged so that the star of fifty-three is driven by a step corresponding to a display interval per week from Sunday to Monday following the first ratchet and that during week number "52" this star of fifty-three is driven with a double step, corresponding to two intervals of posting, from Sunday to the following Monday if Sunday this week number "52" carries a date other than "26" or "27" by the second pawl cooperating with the drive member.

Avec le présent mécanisme d'affichage du numéro de la semaine le déplacement de l'organe mobile d'affichage d'un pas unitaire ou d'un pas double s'effectue de façon instantanée.With the present mechanism for displaying the number of the week the movement of the movable display member with a unitary pitch or a double step is effected instantaneously.

Dans la forme d'exécution illustrée du mécanisme d'affichage du numéro de la semaine, le premier mobile dont la position est significative du jour de la semaine et le troisième mobile dont la position est significative du numéro de la semaine ne sont pas coaxiaux comme c'est le cas dans la plupart des mouvements de pièce d'horlogerie comportant un affichage du jour de la semaine, un affichage du quantième et un affichage du numéro de la semaine, ce qui facilite grandement l'intégration du mécanisme d'affichage du numéro de la semaine dans le mouvement d'une telle pièce d'horlogerie.In the illustrated embodiment of the display mechanism of the number of the week, the first mobile whose position is significant from the day of the week and the third mobile whose position is significant of the number of the week are not coaxial as is the case in most timepiece movements including a display of the day of the week, a display of the calendar and a displaying the number of the week, which greatly facilitates the integration of the display mechanism of the number of the week in the movement of such a timepiece.

Le mécanisme d'affichage du numéro de la semaine est conçu pour que l'organe d'affichage mobile du numéro de la semaine soit entraîné d'un pas unitaire respectivement d'un pas double chaque semaine dans la nuit du dimanche au lundi suivant, de préférence de façon instantanée, à minuit ou dans une plage de plus ou moins quelques minutes avant ou après minuit.The number display mechanism of the week is designed so that the mobile display unit of the number of the week is driven with a unit step or a double step each week in the night of the Sunday to the following Monday, preferably instantaneously, at midnight or in a range of plus or minus a few minutes before or after midnight.

Un mécanisme d'affichage du numéro de la semaine particulier sera décrit à titre d'exemple et de forme d'exécution préférée.A mechanism for displaying the particular week number will be described by way of example and preferred embodiment.

La figure 7 du dessin annexé illustre une pièce d'horlogerie comportant un boîtier 1 et un cadran 2. Cette pièce d'horlogerie comporte un affichage horaire comportant des index 3, une aiguille des heures 4 et une aiguille des minutes 5. Cette pièce d'horlogerie comporte encore un affichage des jours de la semaine formé d'une aiguille des jours 6 et d'une graduation des jours 7 portée par le cadran, à neuf heures, où le nom des jours abrégés sont inscrits dans une couronne sur le cadran 2. Cette pièce d'horlogerie comporte encore un affichage du quantième formé par une aiguille de quantième 8 et une graduation de quantième 9 portée par le cadran 2, à six heures, comportant les chiffres de "1" à "31" disposés en couronne sur le cadran 2.The figure 7 of the appended drawing illustrates a timepiece comprising a housing 1 and a dial 2. This timepiece comprises a time display comprising indexes 3, an hour hand 4 and a minute hand 5. This timepiece comprises still a display of the days of the week consisting of a hand of days 6 and a graduation of days 7 carried by the dial, at nine o'clock, where the name of the abbreviated days are inscribed in a crown on the dial 2. This timepiece also includes a date display formed by a date hand 8 and a date graduation 9 carried by the dial 2 at six o'clock, with the numbers "1" to "31" arranged in a ring on the dial 2.

Cette pièce d'horlogerie comporte encore un affichage du numéro de la semaine formé par une aiguille du numéro de la semaine coopérant avec une graduation du numéro de la semaine 12 comportant les numéros des semaines "1" à "53" répartis uniformément à la périphérie du cadran 2. Cet affichage du numéro de la semaine 10, 11 est commandé par un mécanisme d'affichage du numéro de la semaine selon l'invention incorporé au mouvement de la pièce d'horlogerie.This timepiece also includes a display of the number of the week formed by a week number hand cooperating with a graduation of the number of the week 12 comprising the numbers of weeks "1" to "53" evenly distributed to the periphery of the dial 2. This display of the week number 10, 11 is controlled by a display mechanism of the number of the week according to the invention incorporated into the movement of the timepiece.

La figure 8 illustre une variante de la pièce d'horlogerie équipée du mécanisme d'affichage du numéro de la semaine dans laquelle l'affichage du numéro de la semaine est formé par un organe d'affichage mobile 11 constitué par un guichet 10 du cadran, situé à douze heures, laissant apparaître une portion d'un organe mobile d'affichage du numéro de la semaine 11. Dans cet exemple cet organe d'affichage du numéro de la semaine 11 est un disque, pivoté concentriquement à l'aiguillage horaire 4, 5 et portant le long de sa périphérie les numéros des semaines "1" à "53" répartis de façon uniforme qui apparaissent successivement dans le guichet au fur et à mesure de la rotation de l'organe d'affichage mobile du numéro de la semaine 11. Les autres affichages de cette pièce d'horlogerie sont conformes à ceux illustrés à la figure 7 et décrits plus haut.The figure 8 illustrates a variant of the timepiece equipped with the display mechanism of the number of the week in which the display of the number of the week is formed by a mobile display member 11 constituted by a window 10 of the dial, located at twelve hours, revealing a portion of a mobile display member of the number of the week 11. In this example, this display unit of the number of the week 11 is a disc, concentrically rotated at the time switch 4, 5 and bearing along its periphery the numbers of weeks "1" to "53" evenly distributed which appear successively in the window as the rotation of the mobile display member of the number of the week 11 The other displays of this timepiece are in accordance with those shown in figure 7 and described above.

La figure 9 est un tableau représentant les différents cas possibles de semaines de fin d'année. Comme indiqué dans l'introduction le tableau faisant correspondre le nom des jours, son quantième et le numéro de la semaine dans laquelle il se trouve qui a été établi pour plus de quatre cents ans permet de montrer que seuls les huit différents cas de semaines de fin d'année repris sur la figure 9 sont possibles. Pour chacun de ces huit cas la figure 9 représente les dix derniers jours d'une année et les onze premiers jours de l'année suivante en indiquant pour chaque jour son nom et son quantième. De plus ce tableau indique pour chaque cas de semaines de fin d'année les années pour lesquelles il intervient.The figure 9 is a table representing the different possible cases of end-of-year weeks. As indicated in the introduction, the table that matches the name of the days, its date and the number of the week in which it has been established for more than four hundred years shows that only the eight different end of the year on the figure 9 are possible. For each of these eight cases the figure 9 represents the last ten days of a year and the first eleven days of the following year, indicating for each day its name and date. Moreover this table indicates for each case of weeks of end of year the years for which it intervenes.

Par cette représentation on constate que lorsque le quantième du dernier dimanche d'une année est un "26" ou un "27" l'année a cinquante-trois semaines, dans tous les autres cas, où le dimanche de la semaine "52" porte un quantième différent de "26" ou de "27" l'année n'a que cinquante-deux semaines.By this representation we see that when the date of the last Sunday of a year is a "26" or a "27" the year has fifty-three weeks, in all other cases, where the Sunday of the week "52" carries a different date of "26" or "27" the year is only fifty-two weeks.

Le mécanisme selon l'invention doit donc être capable de faire avancer chaque semaine entre le dimanche et le lundi suivant, si possible instantanément et aussi près de minuit que possible, l'organe mobile d'affichage du numéro de la semaine d'un pas unitaire et d'un pas double les dimanches de la semaine "52" autres que le "26" ou "27" pour sauter l'affichage de la semaine numéro cinquante-trois puisque dans ce cas l'année n'a que cinquante-deux semaines.The mechanism according to the invention must therefore be able to advance each week between Sunday and the following Monday, if possible instantly and as close to midnight as possible, the mobile unit of display of the number of the week of a unitary step and a double step on the Sundays of the week "52" other than the "26" or "27" for skip the display of the week number fifty-three since in this case the year is only fifty-two weeks.

Une forme d'exécution préférée d'un tel mécanisme selon l'invention est illustrée dans différentes positions de fonctionnement aux figures 1 à 6 du dessin annexé. Ce mécanisme d'affichage du numéro de la semaine dans l'année comporte un premier mobile 13 apte à être entraîné pas à pas à raison d'un tour par semaine en sept pas successifs dont la position est significative du jour de la semaine. Ce premier mobile 13 porte une première came 14 qui dans l'exemple illustré est une came escargot.A preferred embodiment of such a mechanism according to the invention is illustrated in different operating positions at Figures 1 to 6 of the attached drawing. This mechanism for displaying the number of the week in the year includes a first mobile 13 adapted to be driven step by step one turn per week in seven successive steps whose position is significant day of the week. This first mobile 13 carries a first cam 14 which in the example shown is a snail cam.

Cette première came 14 coopère avec une première bascule 15, ou bascule de déclenchement des semaines, pivotée autour d'un axe de première bascule O. Cette première bascule comporte un premier palpeur 16 et est soumise à une action élastique de rappel (non illustrée) tendant à maintenir le palpeur 16 en contact avec la périphérie de la première came 14. La première came 14 est indexée sur le premier mobile 13 et positionnée par rapport au palpeur 16 de la première bascule 15 de manière à ce que ce palpeur tombe de la partie haute de la première came 14 sur la partie basse de cette première came 14 lorsque le premier mobile passe de la position qu'il occupe le dimanche à sa position qu'il occupe le lundi suivant.This first cam 14 cooperates with a first flip-flop 15, or flip-flop of weeks, pivoted about an axis of first flip-flop O. This first flip-flop comprises a first probe 16 and is subjected to an elastic return action (not shown) tending to keep the probe 16 in contact with the periphery of the first cam 14. The first cam 14 is indexed on the first mobile 13 and positioned relative to the probe 16 of the first latch 15 so that this probe falls from the upper part of the first cam 14 on the lower part of the first cam 14 when the first mobile passes from the position it occupies on Sunday to its position it occupies the following Monday.

Cette première bascule 15 comporte un premier pivot 17 servant d'axe de rotation à un premier cliquet 18, ou cliquet des semaines, comportant un premier bras se terminant par un poussoir 19 et un second bras se terminant par une goupille 20 engagée dans une fente oblongue 21 que comporte la première bascule 15 limitant ainsi les déplacements angulaires du premier cliquet 18 par rapport à la première bascule 15. Ce premier cliquet 18 est soumis à une action élastique de rappel (non illustré) tendant à le déplacer dans le sens horaire par rapport à la première bascule 15.This first rocker 15 comprises a first pivot 17 serving as an axis of rotation to a first pawl 18, or ratchet weeks, comprising a first arm ending in a pusher 19 and a second arm ending in a pin 20 engaged in a slot oblong 21 that includes the first latch 15 and limiting the angular displacements of the first pawl 18 relative to the first latch 15. This first pawl 18 is subjected to an elastic return action (not shown) tending to move it clockwise by compared to the first flip-flop 15.

La première bascule comporte encore un second pivot 22 servant d'axe de rotation à un second cliquet 23, ou cliquet de cinquante-troisième semaine, comportant un premier bras se terminant par un bec 24 et un second bras comportant une glissière 25. Ce second cliquet 23 est également soumis à une action élastique de rappel tendant à le déplacer dans le sens horaire par rapport à la première bascule 15.The first rocker further comprises a second pivot 22 serving as an axis of rotation to a second pawl 23, or ratchet fifty-third week, having a first arm terminating in a spout 24 and a second arm having a slide 25. This second pawl 23 is also subjected to an elastic return action tending to move it clockwise with respect to the first lever 15.

Les points de pivotements 17, 22 des premier et second cliquets 18, 23 sur la première bascule 15 et la longueur des premiers bras de ces premier et second cliquets portant respectivement le poussoir 19 et le bec 24 sont tels que lors de la chute du premier palpeur 16 de la première bascule du point haut au point bas de la première came 14 l'amplitude de la course effectuée par le second cliquet 23 de la première bascule 15 soit sensiblement égale à deux fois la course effectuée par le premier cliquet 18 de cette première bascule 15.The pivot points 17, 22 of the first and second pawls 18, 23 on the first rocker 15 and the length of the first arms of these first and second pawls respectively carrying the pusher 19 and the spout 24 are such that during the fall of the first probe 16 of the first flip-flop from the high point to the low point of the first cam 14 the amplitude of the stroke made by the second pawl 23 of the first flip-flop 15 is substantially equal to twice the stroke made by the first pawl 18 of this first rocker 15.

Ce mécanisme d'affichage du numéro de la semaine dans l'année comporte encore un second mobile 26 apte à être entraîné pas à pas à raison d'un tour par mois en trente et un pas successifs dont la position est significative du quantième du mois. Dans cette forme d'exécution ce second mobile 26 est une étoile de quantième ou de trente et une dents effectuant un pas par jour ou plus à la fin des mois de moins de trente et un jours. Ce second mobile 26 porte une seconde came 27, ou came d'isolation, qui dans l'exemple illustré est une came escargot.This mechanism for displaying the number of the week in the year also includes a second mobile 26 capable of being driven step by step on the basis of one turn per month in thirty-one successive steps whose position is significant for the calendar of the month. . In this embodiment, this second mobile 26 is a date star or thirty-one teeth performing a step per day or more at the end of the month of less than thirty-one days. This second mobile 26 carries a second cam 27, or isolation cam, which in the example shown is a snail cam.

Une seconde bascule 28, ou bascule d'isolation, est pivotée en X sur une partie fixe du mécanisme ou du mouvement d'horlogerie comportant ce mécanisme d'affichage du numéro de la semaine et comporte un premier bras se terminant par un second palpeur 29 coopérant avec la périphérie de la seconde came 27. Cette seconde bascule 28 comporte un second bras portant à son extrémité libre un téton 30 engagé dans la glissière 25 du second cliquet 23 de la première bascule 15. Cette seconde bascule 28 est soumise à une action élastique (non illustrée) tendant à appliquer le second palpeur 29 contre la périphérie de la seconde came 27.A second flip-flop 28, or isolation flip-flop, is pivoted at X on a fixed part of the mechanism or the clockwork comprising this week number display mechanism and includes a first arm terminating in a second probe 29 cooperating with the periphery of the second cam 27. This second rocker 28 comprises a second arm carrying at its free end a stud 30 engaged in the slide 25 of the second pawl 23 of the first rocker 15. This second rocker 28 is subjected to an action elastic (not shown) tending to apply the second probe 29 against the periphery of the second cam 27.

Cette seconde came 27 pivotée en Z sur une partie fixe du mouvement comporte un point bas 31 puis son diamètre croît dans le sens anti-horaire jusqu'à un point "haut" 32. A partir de ce point "haut" 32 la périphérie de la seconde came 27 est circulaire. En variante toutefois le diamètre extérieur de cette seconde came 27 pourrait continuer à augmenter jusqu'à son point de chute 33. La distance angulaire séparant le point "haut" 32 du point de chute 33 de cette seconde came 27 correspond au moins à deux pas successifs de cette came 27 mais est en tous cas inférieure à trois pas successifs de cette seconde came 27. L'indexage de la seconde came 27 sur le second mobile 26 et sa position par rapport au second palpeur 29 de la seconde bascule 28 sont tels que la portion de la seconde came 27 située entre son point "haut" et son point de chute 33 est en contact avec ledit second palpeur 29 de la seconde bascule 28 pendant que le second mobile est dans une position angulaire correspondant aux quantièmes "26" et "27" du mois. Par point "haut" 32 de la came 27 on entend le point de cette came à partir duquel la seconde bascule 28 maintient le bec 24 du second cliquet 23 en position inactive, en dehors de la trajectoire de la dent unique 36 de la troisième came 35.This second cam 27 pivoted Z on a fixed part of the movement has a low point 31 and its diameter increases in the counterclockwise direction to a point "high" 32. From this point "high" 32 the periphery of the second cam 27 is circular. Alternatively, however, the outer diameter of the second cam 27 could continue to increase to its point of fall 33. The angular distance between the "high" point 32 of the drop point 33 of the second cam 27 is at least two steps successive of this cam 27 but is in any case less than three successive steps of this second cam 27. The indexing of the second cam 27 on the second mobile 26 and its position relative to the second probe 29 of the second latch 28 are such that the portion of the second cam 27 located between its point "high" and its point of fall 33 is in contact with said second probe 29 of the second latch 28 while the second mobile is in an angular position corresponding to the dates "26" and "27" of the month. By "high" point 32 of the cam 27 is meant the point of this cam from which the second latch 28 maintains the spout 24 of the second pawl 23 in the inactive position, outside the path of the single tooth 36 of the third cam 35.

Grâce à ce second mobile 26 et à la seconde bascule 28 le second cliquet 23 de la première bascule 15 est maintenu dans une position rétractée ou inactive, déplacée dans le sens anti-horaire contre son action élastique de rappel par le téton 30 agissant sur la glissière 25 du second cliquet 23 quand le second palpeur 29 de la seconde bascule 28 est en contact avec la portion de la seconde came située entre son point haut 32 et son point de chute 33, c'est-à-dire tous les mois pendant deux jours, lorsque le second mobile 26 a une position angulaire correspondant aux "26" et "27" de chaque mois.With this second mobile 26 and the second latch 28 the second pawl 23 of the first latch 15 is held in a retracted or inactive position, moved in the counterclockwise direction against its elastic return action by the pin 30 acting on the slide 25 of the second pawl 23 when the second probe 29 of the second latch 28 is in contact with the portion of the second cam located between its high point 32 and its point of fall 33, that is to say every month during two days, when the second mobile 26 has an angular position corresponding to the "26" and "27" of each month.

Lorsque ce second mobile est dans une position autre que celle correspondant au "26" et "27" d'un mois, le second palpeur 29 de la seconde bascule 28 se déplace sous l'action d'un ressort de rappel (non illustré) pour rester en contact avec la périphérie de la seconde came 27. Ce faisant la seconde bascule 28 se déplace dans le sens horaire et son téton 30 coopérant avec la glissière 25 du second cliquet 23 libère ce second cliquet 23 qui se positionne en position active telle que définie plus loin.When this second mobile is in a position other than that corresponding to the "26" and "27" of a month, the second probe 29 of the second flip-flop 28 moves under the action of a return spring (not shown) to remain in contact with the periphery of the second cam 27. This making the second flip-flop 28 moves in the clockwise direction and its stud 30 cooperating with the slide 25 of the second pawl 23 releases this second pawl 23 which is positioned in the active position as defined below.

Ce mécanisme d'affichage du numéro de la semaine comporte encore un troisième mobile 34, ou étoile des semaines, constitué dans cette forme d'exécution par une étoile de cinquante-trois dents portant une troisième came 35.This mechanism for displaying the number of the week also comprises a third mobile 34, or star of weeks, constituted in this embodiment by a star of fifty-three teeth carrying a third cam 35.

Ce troisième mobile 34 porte l'organe d'affichage mobile 11, disque gradué ou aiguille, de l'affichage du numéro de la semaine.This third mobile 34 carries the mobile display member 11, graduated disc or needle, the display number of the week.

Ce troisième mobile 34 est pivoté en Y sur une partie fixe du mécanisme ou du mouvement et le diamètre de sa denture de cinquante-trois dents ainsi que le diamètre de la troisième came 35 sont tels que le premier cliquet 18 de la première bascule 15 coopère par son poussoir 19 avec la denture du troisième mobile 34 et que le second cliquet 23 de cette première bascule 15 coopère par son bec 24 avec la troisième came 35. Cette troisième came 35 est formée dans la forme d'exécution illustrée par un disque présentant une dent 36 sur sa périphérie et présente un diamètre inférieur à l'étoile des semaines. Cette dent unique 36 de la troisième came 35 est indexée par rapport au troisième mobile de manière à être en position active sur la trajectoire du bec 24, lorsque l'organe d'affichage mobile 11 affiche le chiffre "52". Cette dent unique 36 constitue un organe d'actionnement en rotation du troisième mobile 34.This third mobile 34 is pivoted at Y on a fixed part of the mechanism or movement and the diameter of its teeth of fifty-three teeth and the diameter of the third cam 35 are such that the first pawl 18 of the first lever 15 cooperates by its pusher 19 with the toothing of the third mobile 34 and that the second pawl 23 of this first latch 15 cooperates through its nose 24 with the third cam 35. This third cam 35 is formed in the embodiment illustrated by a disc having a tooth 36 on its periphery and has a diameter less than the star of weeks. This single tooth 36 of the third cam 35 is indexed relative to the third mobile so as to be in the active position on the trajectory of the spout 24, when the movable display member 11 displays the number "52". This single tooth 36 constitutes a device for actuating the third mobile 34 in rotation.

Lorsque ce mécanisme d'affichage du numéro de la semaine est intégré dans le mouvement d'une pièce d'horlogerie comportant un affichage du jour de la semaine et un affichage du quantième, le premier mobile 13 peut être l'étoile de sept des jours de la semaine du mouvement et le second mobile 26 peut être l'étoile de quantième du mouvement.When this number display mechanism of the week is integrated into the movement of a timepiece including a day of the week display and a date display, the first mobile 13 may be the star of seven days of the week of the movement and the second mobile 26 may be the date star of the movement.

Dès lors, chaque semaine du dimanche au lundi suivant, de préférence à minuit, la première bascule 15 chute, provoquant l'entraînement d'un pas du troisième mobile 34, le poussoir 19 du premier cliquet 18 poussant d'un pas le troisième mobile 34 par sa denture.Therefore, every week from Sunday to Monday, preferably at midnight, the first rocker 15 falls, causing the training of a step of third mobile 34, the pusher 19 of the first pawl 18 pushing one step the third mobile 34 by its toothing.

De la semaine "1" à la semaine "51" le bec 24 du second cliquet 23 de la première bascule est hors de portée de la dent unique 36 de la troisième came 35, que le second cliquet 23 soit dans sa position active ou inactive.From the week "1" to the week "51" the spout 24 of the second pawl 23 of the first latch is out of reach of the single tooth 36 of the third cam 35, the second pawl 23 is in its active or inactive position .

A la semaine "52" par contre si le dimanche porte un quantième différent du "26" ou "27" le bec 24 du second cliquet 23 sera en position active contre la périphérie de la troisième came 35, en effet le second palpeur 29 ne sera pas en contact avec la portion de la deuxième came 27 située entre son point haut 32 et son point de chute 33 de sorte que le second cliquet 23 sera libéré et non plus maintenu en position inactive par le téton 30 de la seconde bascule 28, et lors de la chute de la première bascule 15 le second cliquet 23 de celle-ci entraînera la dent unique 36 de la troisième came 35 d'une valeur de deux pas unitaires, soit un pas double; le troisième mobile 34 passera de sa position indiquant la cinquante-deuxième semaine à sa position indiquant la première semaine de l'année suivante (voir figures 4 à 6).At the week "52" on the other hand if the Sunday carries a different date of the "26" or "27" the spout 24 of the second pawl 23 will be in active position against the periphery of the third cam 35, indeed the second probe 29 does not will not be in contact with the portion of the second cam 27 located between its high point 32 and its point of fall 33 so that the second pawl 23 will be released and not maintained in the inactive position by the pin 30 of the second latch 28, and upon the fall of the first latch 15 the second pawl 23 thereof will cause the single tooth 36 of the third cam 35 to a value of two unitary steps, a double pitch; the third mobile 34 will move from its position indicating the fifty-second week to its position indicating the first week of the following year (see Figures 4 to 6 ).

Si par contre la chute de la première bascule s'effectue un dimanche "26" ou "27" de la semaine "52" le second cliquet 23 de la première bascule 15 sera maintenu en position inactive par la seconde bascule 28, son bec 24 échappera à la dent unique 36 de la troisième came 34 et le troisième mobile ne sera entraîné que d'un pas unitaire par le premier cliquet 18 de la première bascule de sorte qu'il passera de sa position indiquant la cinquante-deuxième semaine à sa position indiquant la cinquante-troisième semaine (voir figure 1 à 3).If on the other hand the fall of the first rocker is a Sunday "26" or "27" of the week "52" the second pawl 23 of the first rocker 15 will be held inactive position by the second latch 28, its beak 24 will escape the single tooth 36 of the third cam 34 and the third mobile will be driven only one unit step by the first pawl 18 of the first latch so that it will move from its position indicating the fifty-second week to its position indicating the fifty-third week (see figure 1 to 3 ).

Bien entendu le mécanisme d'affichage du numéro de la semaine décrit ci-dessus et illustrée au dessin n'est qu'un exemple, la réalisation des différents bascules, cliquets et cames pourraient être modifiée, ce qui importe c'est que ce mécanisme permette un indexage d'un pas unitaire correspondant à un intervalle d'affichage chaque semaine du dimanche au lundi suivant du troisième mobile 34 et d'un pas double correspondant à deux intervalles d'affichage de ce troisième mobile 34 si le dimanche de la semaine "52" porte un quantième autre que le "26" ou le "27".Of course the mechanism for displaying the number of the week described above and illustrated in the drawing is only an example, the realization of the different scales, pawls and cams could be modified, what is important is that this mechanism permits indexing of a unitary step corresponding to a display interval each week from Sunday to the following Monday of the third mobile 34 and a double step corresponding to two display intervals of this third mobile 34 if the Sunday of the week "52" carries a date other than the "26" or the "27".

Le fonctionnement du mécanisme d'affichage du numéro de la semaine dans l'année décrit est illustré aux figures 1 à 3 pour le passage de la semaine "52" à la semaine "53" qui a lieu chaque fois que le dimanche de la semaine "52" tombe sur un quantième "26" ou "27" et aux figures 4 à 6 pour le passage de la semaine "52" à la semaine "1" qui a lieu chaque fois que le dimanche de la semaine "52" tombe sur un quantième "28", "29", "30", "31", "1" ou "2".The operation of the mechanism for displaying the number of the week in the year described is illustrated in Figures 1 to 3 for the passage from the week "52" to the week "53" which takes place each time the Sunday of the week "52" falls on a date "26" or "27" and to Figures 4 to 6 for the passage of the week "52" to the week "1" which takes place each time the Sunday of the week "52" falls on a date "28", "29", "30", "31", " 1 or 2".

La figure 1 illustre le mécanisme d'affichage de numéro de la semaine dans la position qu'il occupe un dimanche 27 de la semaine "52" d'une année comme l'indique les flèches a et b en regard des dents du second mobile 26 et du troisième mobile 34.The figure 1 illustrates the number display mechanism of the week in the position it occupies on a Sunday 27 of the week "52" of a year as indicated by the arrows a and b next to the teeth of the second mobile 26 and the third mobile 34.

Dans cette position le second palpeur 29 de la seconde bascule 28 est situé en appui sur la seconde came 27. De ce fait le téton 3 de la seconde bascule 28 engagé dans la glissière 25 du second cliquet 23 maintient le second cliquet 23 de la première bascule 15 en position inactive pour laquelle son bec 24 se trouve en dehors de la trajectoire de la dent unique 36 de la troisième came 35.In this position the second probe 29 of the second flip-flop 28 is placed in abutment on the second cam 27. Thus, the pin 3 of the second latch 28 engaged in the slide 25 of the second pawl 23 holds the second pawl 23 of the first rocker 15 in the inactive position for which its spout 24 is outside the path of the single tooth 36 of the third cam 35.

Lors de la levée de la grande bascule du quantième (non illustrée) du "27" au "28" vers minuit l'étoile de quantième 26 est avancée d'un pas (fig.2). Le second palpeur 29 de la seconde bascule 28 est alors en appui sur la seconde came 27 juste avant d'atteindre le point de chute 33 de cette seconde came 27.When lifting the large date scale (not shown) from "27" to "28" around midnight, the date star 26 is advanced one step ( fig.2 ). The second probe 29 of the second flip-flop 28 is then resting on the second cam 27 just before reaching the point of fall 33 of this second cam 27.

Lors de la chute de la grande bascule de quantième, le premier mobile 13 avance d'un pas (fig. 3) provoquant la chute du premier palpeur 16 et l'entraînement d'un pas unitaire de l'organe mobile d'affichage 11 par le poussoir 19 du premier cliquet 18 de la première bascule 15. Ce faisant le bec 24 du second cliquet 23 de cette première bascule 15 passe au-dessus de la dent unique 36 de la troisième came 25 sans entraîner celle-ci.During the fall of the big date scale, the first mobile 13 advances one step ( Fig. 3 ) causing the fall of the first probe 16 and the drive of a unitary step of the movable display member 11 by the pusher 19 of the first pawl 18 of the first latch 15. This making the spout 24 of the second pawl 23 of this first rocker 15 passes over the single tooth 36 of the third cam 25 without driving it.

Le lundi 28 décembre le mécanisme d'affichage du numéro de la semaine se trouve dans la position illustrée à la figure 3, l'organe d'affichage mobile 11 porté par le troisième mobile 34 a avancé d'un pas et affiche le numéro de semaine "53", le premier cliquet 18 de la première bascule 15 est revenu en position de repos sous l'action de son ressort de rappel. Le second mobile 26 a avancé d'un pas et affiche le quantième "28". Lors du passage de l'étoile de quantième du lundi "28" au mardi "29" le second palpeur 29 de la seconde bascule tombe sur la partie basse de la seconde came 27 et le bec 24 du second cliquet 23 de la première bascule 15 vient buter sur la périphérie de la troisième came 35 mais à une distance telle de la dent unique 36 qu'il ne puisse plus entrer en contact avec elle le dimanche suivant lors de la chute de la première bascule 15, soit une distance correspondant à deux pas unitaires du troisième mobile 34.On Monday, December 28th, the mechanism for displaying the number of the week is in the position illustrated in the figure 3 , the mobile display member 11 carried by the third mobile 34 has advanced one step and displays the week number "53", the first pawl 18 of the first lever 15 has returned to the rest position under the action of its return spring. The second mobile 26 has advanced one step and displays the date "28". During the transition from the date star of Monday "28" to Tuesday "29" the second probe 29 of the second flip-flop falls on the lower part of the second cam 27 and the spout 24 of the second pawl 23 of the first flip-flop 15 abuts on the periphery of the third cam 35 but at such a distance from the single tooth 36 that it can not come into contact with it the following Sunday when the first rocker 15 falls, ie a distance corresponding to two unitary steps of the third mobile 34.

La figure 4 illustre la position du mécanisme d'affichage du numéro de la semaine un dimanche 28 de la semaine "52" comme l'indiquent les flèches a et b. Dans la nuit du dimanche 28 au lundi 29 décembre la grande bascule du quantième (non illustrée) provoque vers minuit lors de sa levée l'avance d'un pas de l'étoile de quantième 26 provoquant la chute du second palpeur 29 sur la partie basse de la seconde came 27 (figure 5). Ce faisant le bec 24 du second cliquet 23 tombe sur la périphérie de la troisième came 35 juste devant la dent unique 36. Ensuite lors de la chute de la grande bascule de quantième le premier mobile 13 est entraîné d'un pas et le premier palpeur 16 de la première bascule chute entraînant par son second cliquet 23 la dent unique 36 de la troisième came 35 d'un pas double faisant ainsi passer l'affichage du numéro de la semaine de "52" directement à "1" en sautant le "53" et le mécanisme d'affichage du numéro de la semaine se trouve alors dans la position illustrée à la figure 6.The figure 4 illustrates the position of the weekly number display mechanism on Sunday 28 of the week "52" as indicated by the arrows a and b. On the night of Sunday 28 to Monday, December 29 the large date latch (not shown) causes midnight when lifting the lead of one step of the date star 26 causing the fall of the second probe 29 on the part low of the second cam 27 ( figure 5 ). In doing so, the spout 24 of the second pawl 23 falls on the periphery of the third cam 35 just in front of the single tooth 36. Then, when the large calendar flip-flop falls, the first mobile 13 is driven by one step and the first probe 16 of the first fall rocker causing by its second pawl 23 the single tooth 36 of the third cam 35 of a double step thus passing the display of the number of the week of "52" directly to "1" by jumping the " 53 "and the weekly number display mechanism is then in the position illustrated in figure 6 .

La position angulaire des premier, second et troisième mobiles entre leur actionnement pas à pas est généralement assurée par des sautoirs.The angular position of the first, second and third movable between their actuation step by step is generally provided by jumpers.

Dans un tel mécanisme les trois mobiles principaux, les premier, second et troisième mobiles, ne sont pas disposés coaxialement et dans un mouvement le premier mobile peut être coaxial à l'étoile des jours, le second mobile être coaxial au mobile de quantième et le troisième mobile être coaxial à l'affichage horaire. Le mécanisme d'affichage du numéro de la semaine peut ainsi être intégré facilement dans l'architecture d'un mouvement horloger existant comportant un affichage du nom des jours et un affichage du quantième.In such a mechanism the three main mobiles, the first, second and third mobile, are not arranged coaxially and in a movement the first mobile can be coaxial with the star of days, the second mobile be coaxial with the mobile date and the third mobile to be coaxial with the time display. The week number display mechanism can thus be easily integrated into the architecture of an existing watch movement including a display of the name of the days and a display of the date.

Dans la forme d'exécution décrite et illustrée l'organe d'actionnement 36 du troisième mobile 34 est une came formée d'un disque à une dent 36. Dans d'autres formes d'exécution cet organe d'actionnement 36 pourrait être constitué par une goupille solidaire du troisième mobile 34 ou une dent reliée à ce troisième mobile 34 par un ressort.In the embodiment described and illustrated, the actuating member 36 of the third mobile 34 is a cam formed of a disc with a tooth 36. In other embodiments, this actuating member 36 could consist of by a pin secured to the third mobile 34 or a tooth connected to the third mobile 34 by a spring.

Claims (10)

  1. Mechanism for displaying the number of the week in the year comprising a first mobile (13) able to be driven by one pitch per day, the position thereof indicating the day of the week; a second mobile (26) able to be driven by one pitch per day, the position thereof indicating the day of the month; and a third mobile (34), the position thereof indicating the number of the week in the year, driving a mobile member (11) for displaying the number of the week in the year opposite a graduation or an aperture (10, 12), this mobile member (11) for displaying the number of the week or the graduation (12) comprising fifty three guide-marks separated by display intervals, the second mobile (26) comprising a second cam (27), the third mobile (34) comprising a star-wheel with fifty three teeth fixedly attached to an actuating member (36), said mechanism being arranged such that the star-wheel with fifty three teeth is driven by a pitch corresponding to one display interval per week from Sunday to the following Monday and that during week number "52" this star-wheel with fifty three teeth is driven by a double pitch corresponding to two display intervals, from Sunday to the following Monday if the Sunday of this week number "52" is not the "26th" or the "27th" of the month; characterised in that the first mobile (13) comprises a first cam (14); in that this mechanism also comprises a first lever (15) cooperating with the first cam (14), this first lever (15) comprising a first pawl (18) cooperating with the toothing of the star-wheel with fifty three teeth and a second pawl (23) cooperating with the actuating member (36); and in that the mechanism also comprises a second lever (28) cooperating on the one hand with the second cam (27) and on the other hand with the second pawl (23), the first pawl (18) being arranged to drive the star-wheel with fifty three teeth by one pitch when the first cam (14) passes from a position corresponding to Sunday to a position corresponding to the following Monday of each week, the second lever (28) and the second mobile (26) being arranged to keep the second pawl (23) in an inactive position, outside the trajectory of the actuating member (36), or to leave the second pawl (23) in an active position according to the position of the second cam (27), the actuating member (36) being on the trajectory of the second pawl (23) only when the display mobile member (11) displays the number "52" and when the second pawl (23) is in an active position, so that if the Sunday of week number "52" is not the "26th" or the "27th" of the month the second pawl (23), in an active position, cooperates with the actuating member (36) during transition from this Sunday to the following Monday to displace the star-wheel with fifty three teeth by a double pitch, and so that if the Sunday of week "52" is the "26th" or "27th" the second pawl (23), in an inactive position, cannot cooperate with the actuating member (36).
  2. Mechanism as claimed in claim 1, characterised in that the first cam (14) is a snail-shaped cam cooperating with a feeler-spindle (16) of the first lever.
  3. Mechanism as claimed in claim 1 or claim 2, characterised in that the second cam (27) is a snail-shaped cam comprising a portion located between its high point (32) and its falling point (33) corresponding to two successive pitches of the second mobile (26).
  4. Mechanism as claimed in any one of claims 1 to 3, characterised in that the second lever (28) comprises a second feeler-spindle (29) cooperating with the periphery of the second cam (27) and in that this second lever (28) comprises a stud (30) cooperating with a slide bar (25) of the second pawl (23) of the first lever (15).
  5. Mechanism as claimed in any one of claims 1 to 4, characterised in that the actuating member (36) is a single tooth on the periphery of a disc (35).
  6. Mechanism as claimed in any one of claims 1 to 5, characterised in that the second pawl (23) of the first lever (15) - upon falling of this lever once per week - effects travel substantially equal to double the travel of the first pawl (18) of this first lever (15).
  7. Display mechanism as claimed in any one of the preceding claims, characterised in that the display mobile member (11) is rigidly connected to the third mobile (34) and is formed by a hand.
  8. Timepiece comprising a mechanism for displaying the number of the week as claimed in any one of claims 1 to 7.
  9. Timepiece as claimed in claim 8, characterised in that the first mobile (13) of the mechanism for displaying the number of the week comprises a star-wheel with seven teeth of the mechanism for displaying the day of the week of the movement of the timepiece.
  10. Timepiece as claimed in claim 8 or 9, characterised in that the second mobile (26) of the mechanism for displaying the number of the week comprises a date mobile of the mechanism for displaying the day of the month of the movement of the timepiece.
EP14164021.9A 2013-06-13 2014-04-09 Mechanism for displaying the number of the week in the year Active EP2813901B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01126/13A CH708166B1 (en) 2013-06-13 2013-06-13 Method and mechanism for displaying the number of the week in the year.

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EP2813901A2 EP2813901A2 (en) 2014-12-17
EP2813901A3 EP2813901A3 (en) 2016-04-13
EP2813901B1 true EP2813901B1 (en) 2019-03-20

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EP14164021.9A Active EP2813901B1 (en) 2013-06-13 2014-04-09 Mechanism for displaying the number of the week in the year

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3705951A1 (en) * 2019-03-07 2020-09-09 Patek Philippe SA Genève Mechanism for displaying the week number for a timepiece
EP4050426A1 (en) * 2021-02-26 2022-08-31 Patek Philippe SA Genève Timepiece device comprising a rocker for inactivation of a function and timepiece comprising such a device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51135571A (en) * 1975-05-20 1976-11-24 Citizen Watch Co Ltd Calendar watch
EP1813997A1 (en) * 2006-01-27 2007-08-01 Meier Willy Bureau Technique Week display device
CH704081B1 (en) * 2010-11-03 2015-02-13 Patek Philippe Sa Geneve Process and display mechanism numbers of the week in the year.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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CH708166A2 (en) 2014-12-15
CH708166B1 (en) 2020-11-30
EP2813901A3 (en) 2016-04-13
EP2813901A2 (en) 2014-12-17

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