EP3173877A1 - Timepiece calendar system - Google Patents

Timepiece calendar system Download PDF

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Publication number
EP3173877A1
EP3173877A1 EP15196611.6A EP15196611A EP3173877A1 EP 3173877 A1 EP3173877 A1 EP 3173877A1 EP 15196611 A EP15196611 A EP 15196611A EP 3173877 A1 EP3173877 A1 EP 3173877A1
Authority
EP
European Patent Office
Prior art keywords
indexing
indexing device
date
mobile
dates
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
EP15196611.6A
Other languages
German (de)
French (fr)
Other versions
EP3173877B1 (en
Inventor
Marco La China
Vincent Lemosquet
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.)
Rolex SA
Original Assignee
Rolex 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 Rolex SA filed Critical Rolex SA
Priority to EP15196611.6A priority Critical patent/EP3173877B1/en
Priority to US15/360,867 priority patent/US10437198B2/en
Priority to JP2016228491A priority patent/JP6883977B2/en
Priority to CN201611063690.0A priority patent/CN106802545B/en
Publication of EP3173877A1 publication Critical patent/EP3173877A1/en
Application granted granted Critical
Publication of EP3173877B1 publication Critical patent/EP3173877B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches
    • G04B19/25313—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches driven or released by a steady movement
    • G04B19/2532—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches driven or released by a steady movement automatically corrected at the end of mounths having less than 31 days
    • 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
    • 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
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/2536—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement automatically corrected at the end of months having less than 31 days

Definitions

  • the invention relates to a watch calendar system, in particular an annual or perpetual watch calendar system. It also relates to a watch movement comprising such a system. It also relates to a timepiece, including a wristwatch, including such a system or such a movement. Finally, it relates to a method of operating such a watch calendar system, such a movement or such a timepiece.
  • Patent application is known EP0987609 an annual calendar mechanism with two kinematic drive chains for the date disk.
  • a first mobile calendar trainer allows, every day, a first jump of the date disc.
  • a second mobile calendar coach called mobile correction, allows an additional jump of the date disc at the end of a month of thirty days. It is pivoted on a rocker whose angular position is driven by a cam of months and return springs.
  • Such a construction requires a large number of parts, including springs and levers, and consumes a lot of energy.
  • it is very difficult to achieve an instantaneous date jump of the good quality calendar at the end of a short month.
  • Patent application is known EP1335253 an annual calendar mechanism implementing a date disk drive latch which, at the end of each month of thirty days, is provided to operate in combination with a conventional calendar driving mobile.
  • a roller, mounted on the drive rocker, is provided to cooperate continuously with a cam which is arranged at the outer periphery of the date disc.
  • the rocker accumulates the energy needed for a possible additional date jump by arming a spring via a profile of the cam. The profile ends with a steep slope so that the rocker and its roller can advance the date disc by an additional step under the effect of the force restored by the spring.
  • the spring is here dimensioned in such a way that it can overcome the holding torque of the date disk which is provided by a conventional indexing jumper, which is not optimal in terms of energy consumption. Furthermore, the rocker of the rocker, under the effect of the spring, is in continuous support against the date disk, so that a related device for adjusting the spring force is recommended to allow adjustment easy of the calendar.
  • EP1962152 a device for maintaining the position of a date disk. This discloses a locking member which, apart from the training periods of the date disk, acts on a jumper indexing the date disk so as to avoid any risk of double date jump.
  • the known annual calendars of the prior art are traditionally equipped with one or two mobile calendar drives which are provided to cooperate with a cam or an auxiliary wheel months.
  • This element drives the double-jump mechanism at the end of each month runs through any additional springs and levers.
  • Such a construction can induce a particularly delicate operating sequence.
  • the double date jump at the end of the thirty-day period can be problematic because of the sequencing of the operation of two separate kinematic chains for driving the date disk and, secondly, because of the energy increase that such jump requires.
  • the object of the invention is to provide a watch calendar system to overcome the drawbacks mentioned above and to improve the watch calendar systems known from the prior art.
  • the invention proposes in particular a reliable annual calendar calendar system whose energy consumption is minimized.
  • a watch calendar system according to the invention is defined by claim 1.
  • a movement according to the invention is defined by claim 15.
  • a timepiece according to the invention is defined by claim 16.
  • FIGS. 1 to 21 represent, by way of example, an embodiment of a calendar system according to the invention, in particular an annual calendar system.
  • the timepiece can in particular be a wristwatch. It comprises a movement 110, preferably a mechanical movement.
  • the embodiment of the movement 110 represented on the figure 1 includes a watch calendar system 100, including an annual calendar system.
  • the date indication mobile is for example a date indication disc or a date disc.
  • the indexation of the mobile 1 of the dates by one or other of the first and second indexing devices is exclusive.
  • the date mobile 1 is indexed by one or the other of the first and second indexing devices according to the state of the activation and deactivation element of at least one of the first and second devices. indexing.
  • the activation and deactivation element can be an exclusive activation and deactivation element of the first and second indexing devices.
  • the calendar is therefore intended for the recognition of months of thirty days or months of less than thirty days and months of thirty-one days in order to achieve an annual or perpetual calendar.
  • the calendar system 100 is distinguished by the implementation of a date display disc 1 which can be positioned angularly or indexed either by the first indexing device 3 or by the second indexing device 4 of the date display disc, as shown in particular on the Figures 1 and 2 .
  • the indexation of the date disk by one or the other of the first and second indexing devices is exclusive.
  • the first indexing device 3 indexe the angular position of the date display disc 1
  • the second indexing device 4 does not index the angular position of the date display disk 1
  • the first indexing device 3 does not index the angular position of the date display disc 1.
  • the first indexing device comprises a jumper 3, in particular a jumper head 3a and a return spring.
  • the jumper 3, in particular the head 3a of the jumper 3, is provided to cooperate, in particular cooperate by contact, with a first set of teeth 1a of the date disc under the effect of the return spring.
  • the second indexing device comprises a rocker 4 provided with a head 4a, in particular a first roller 4a, and a return spring 40.
  • the rocker 4, in particular the head 4a can be arranged to cooperate, in particular cooperate by contact, with a second set of teeth 1b of the date disc.
  • the second toothing 1b is provided with a cam surface 10b * enabling the second indexing device, in particular by means of the roller 4a, to drive the date disk on two steps of the date disk.
  • the disc 1 is therefore provided with two separate teeth 1a, 1b.
  • the first set of teeth 1a has thirty-one teeth 10a.
  • the teeth 10a are provided to cooperate, in particular cooperate by obstacle, on the one hand with a drive element 2 of the date disc, and on the other hand with the jumper 3.
  • the second toothing 1b comprises at least one tooth, in particular three teeth 10b, which are, in turn, provided to cooperate specifically with the latch 4.
  • the first indexing device, in particular, the jumper 3, and the second indexing device, including the latch 4 are for example mobile in rotation, in particular movable in rotation along the same pivot axis P.
  • the latch 4 is capable of controlling the jumper 3 so as to inhibit its action against the toothing 1a by means 3b, 3c, 4b , 40 which will be detailed below with reference to the figure 3 .
  • the angular position of the date display disc 1 is defined by the head or spout 3a of the jumper 3 which is shaped to cooperate with two consecutive teeth 10a.
  • the jumper 3 is provided with the spring 30 in the form of an elastic arm 30 which is provided to be armed by a pin G secured to the frame of the movement so as to generate a resistive torque M relative to the axis P , and thus allow the plating of the spout 3a against the teeth 10a when the disc 1 is not stressed by the driving element as shown in the drawings.
  • Figures 1 and 2 are provided to be armed by a pin G secured to the frame of the movement so as to generate a resistive torque M relative to the axis P , and thus allow the plating of the spout 3a against the teeth 10a when the disc 1 is not stressed by the driving element as shown in the drawings.
  • the driving element 2 may have a quite conventional structure as shown in FIG. figure 4 . It is provided with a driving finger 2a which is provided for driving a tooth 10a on an angular step of the disk 1 of the dates. It is also provided with a calendar wheel, making a complete rotation in 24 hours, which is connected to the gear 6 of the base movement, and a cam 7 which is designed to cooperate with an energy accumulator 8, 8a, 9, so that the drive finger 2a can instantly drive the disc 1 at midnight.
  • the accumulator comprises a rocker 8 provided with a roller 8a. A spring 9 is arranged to return the latch 8 so that the roller 8a bears against the cam 7.
  • the cam 7 is secured to the finger 2a.
  • the disengaging means between the wheel 5 and the cam 7 may be implemented by conventional means, such as an oblong cut 5a made on the board of the wheel 5, which is shaped to cooperate with a pin 7a driven on the cam 7.
  • these disengaging means may be substituted by a latching device such as that disclosed by the patent application EP2428855 of the plaintiff.
  • the wheel 5 leads the cam 7 and accumulates the energy required for the instantaneous jump of the finger 2a by arming the spring 9 via the profile of the cam 7 and the rocker 8.
  • the roller 8a reaches the top of the profile of the cam 7.
  • the date change is made in a fraction of a second when the spring 9 restores the accumulated energy by imparting a sudden movement of rotation to the cam 7 and finger 2a via the rocker 8 and its roller 8a.
  • the finger 2a then overcomes the holding torque M over at least one half-angular step of the disk 1 until the tooth vertex 10a is at least crossed by the spout 3a as shown in FIG. figure 5 .
  • the elastic arm 30 restores the energy and repositions the disk 1 to the next date as shown on the figure 6 .
  • the flip-flop 4 In conventional operation of the calendar mechanism, in particular at the end of a month of thirty-one days, the flip-flop 4 has no effect on the jumper 3. Thus, the first indexing device is activated and the second device indexing is disabled.
  • the spring 40 in the form of an elastic arm 40, is prestressed by a pin 3c of the jumper 3, in particular the spacer 3c of the spout 3a, so as to generate a resistive torque M 'relative to the axis P, and thus allow the unambiguous positioning of the rocker 4 against a stop B which is secured to the frame of the movement as shown in FIG. figure 7 .
  • the elastic arm 40 is defined such that the torque M 'is substantially less than the torque M, and thus have no effect on the positioning and displacement of the spout 3a against the toothing 1a.
  • the roller 4a disposed at a first end of the rocker 4, is out of reach of the toothing 1b, as shown in FIG. figure 7 .
  • the date jump is classically performed as represented by the Figures 4 to 6 .
  • the activation and deactivation element comprises a first device 70, 3b, 4b for deactivating the first indexing device and a second device 40, 70 for activating the second indexing device.
  • the first device 70, 3b, 4b of deactivation is arranged so that the first indexing device is deactivated and the second activation device 40, 70 is arranged so that the second indexing device is activated during the drive of the date disc during the passage of a short month to the following month.
  • the first deactivation device 70, 3b, 4b is arranged such that the first indexing device is deactivated and the second activation device 70 is arranged so that the second indexing device is activated for one day. or two days, or even three days, before the passage of a short month to the next month.
  • the first deactivation device 70, 3b, 4b is arranged so that the first indexing device is activated and the second activation device 40, 70 is arranged so that the second indexing device is deactivated. by default during the different months, especially during the days preceding Passages from one month long to the next month except for the days preceding the passage of a short month to the next month.
  • the first device 70, 3b, 4b of deactivation of the first indexing device may comprise a control cam 70.
  • the first device 70, 3b, 4b of deactivation of the first indexing device may comprise a first stop 3b provided on the first indexing device and cooperating with a second stop 4b provided on the second indexing device so as to remove the first indexing device of its position of cooperation with the date disk and so as to subject the second indexing device to the pair of the first return spring 30 of the first indexing device when the second indexing device cooperates with the record of the dates.
  • the first indexing device is by default activated by the effect of the first spring 30. Consequently, the first device for deactivating the first indexing device makes it possible to inhibit the cooperation of the jumper 3 and the disk 1 of the dates under the effect of the first spring 30.
  • the second device 40, 70 for activating the second indexing device may comprise a control cam 70.
  • the second indexing device may be provided to cooperate with the cam 70, in particular by means of a second roller 4c of the rocker 4.
  • the second device for activating the second indexing device thus makes it possible to constrain the second spring 40 so that the roller 4a is adapted to cooperate with the toothing 1b.
  • the roller 4a of the rocker 4 is positioned so as to be actuated by a first tooth 10b of the teeth 1b.
  • the latch 4 can be positioned by the annual cam 70 which is kinematically connected to the disk 1 of the calendars via, for example, a chain of wheels 1c, 60, 70c which will be explained later with reference to the figure 8 .
  • the roller 4c disposed at a second end of the rocker 4, bears against the outer periphery 70a of the cam 70 under the effect of the second spring 40.
  • the figure 8 illustrates the annual calendar mechanism on April 28, just prior to the date jump from April 28 to 29.
  • the roller 4a of the rocker 4 is positioned so as to be actuated by a first tooth 10b of the toothing 1b.
  • a first tooth 10b acts on the roller 4a, which induces the rotation of the latch 4 relative to P.
  • the latch 4 actuates the jumper 3, by means of a pin 4b which is intended to cooperate with a flank 3b of the jumper 3, so that the spout 3a emerges from the toothing 1a.
  • the angular position of the date display disc 1 is defined by the roller 4a of the lever 4 which is shaped to cooperate with two consecutive teeth 10b as shown in FIG. figure 10 .
  • the toothing 1b is defined so that the elastic arm 30, through the lever 4, accumulates, during the date transitions from the twenty-eighth to the thirtieth day, the energy necessary to allow an additional jump of the disc 1 at the end of a short month. More particularly, the toothing 1b is provided to allow complementary arming of the elastic arm 30 while inhibiting the role of the spout 3a to against the teeth 1a. Preferably, the toothing 1b is shaped so that the jumper 3 - toggle 4 generates a resistive torque relative to P at least equal to M, and thus allows an adequate holding of the angular position of the disk 1 of the dates when this last is not solicited by the finger coach 2a.
  • the energy required by the energy accumulator 8, 8a, 9 to allow a date jump when the toothing 1b is indexed by the roller 4a is not greater than that to allow a date jump when the toothing 1a is indexed by the spout 3a.
  • the geometry of the elements, in particular that of the teeth 1b, as well as the choice of materials have been optimized so as to reduce the losses due to friction.
  • the roller 4a may take the form of a rock 4a pivotally mounted at the end of the rocker 4.
  • the figure 11 illustrates the calendar mechanism as of April 30.
  • the roller 4a of the rocker 4 is pressed against the last two consecutive teeth 10b of the toothing 1b.
  • the toothing 1b has the particularity of terminating in an abrupt flank 10b * so that the rocker 4 and its roller 4a can advance the date disc by an additional step, ie two steps, under the effect of the force restored by the elastic arm 30 of the jumper 3 acting on the rocker by means of the pin 4b.
  • the driving finger 2a When changing from April 30 to May 1 as represented on the Figures 12 to 14 , the driving finger 2a first leads the disk 1 over at least one half-angular step of the date disk until the top of the last tooth 10b is at least crossed by the roller 4a as shown in FIG. figure 12 .
  • the additional date jump is performed in a second step by the cooperation of the roller 4a and the steep side 10b * as shown on the Figures 13 and 14 until the spout 3a is at least again in contact with the teeth 1a to allow the repositioning of the disc 1 to the next date as represented on the figure 15 .
  • the figure 15 illustrates the calendar mechanism as of May 1st.
  • the roller 4a is disengaged from the toothing 1b and, in the embodiment, the roller 4c is still bearing against the outer periphery 70a of the cam 70 under the effect of the elastic arm 40
  • This cam can be moved in rotation during the current month, for example during the transition from the first to the second calendar, as shown in FIG. figure 16 .
  • the disc 1 is provided with a third toothing 1c which is here in the form of a single tooth 10c disposed at the outer periphery of the disc 1. This is provided to cooperate with a reference 60a of a mobile 60 which is kinematically connected to the cam 70 via referrals 60c, 70c.
  • the angular position of the cam 70 is guaranteed to the tooth sets near an outer periphery 1d of the disk 1 which is provided to cooperate with an angular locking member 60b operating according to the principle of a cross of Malta.
  • Such a bond is similar to that disclosed in the patent applications EP2428856 and EP2624075 of the plaintiff.
  • the figure 16 illustrates the date jump during the transition from May 1 to May 2.
  • the rotation of the cam 70 induces the movement of the rocker 4 under the effect of the return of its elastic arm 40 until it meets the stop B which is integral with the frame of the movement.
  • the roller 4a is out of reach of the toothing 1b, and until the latch 4 is again moved by the cam 70 at its periphery 70a.
  • the flip-flop 4 is inoperative. Only the spout 3a of the jumper 3 is provided to index the angular position of the date disc, which allows only one and unique date jump.
  • Figures 18 to 21 illustrate the calendar mechanism from May 28 to May 31.
  • the toothing 1b is able to act on the latch 4 from the twenty-eighth to the twenty-ninth calendar.
  • the energy needed for the additional date jump is accumulated on three jumps of the date disc.
  • the radius R1 of the circle centered on the axis of rotation of the disk 1 and passing through the bottom defined by two first successive teeth 10 is greater than the radius R2 of the circle centered on the axis of rotation of the disk. 1 and passing through the bottom defined by two last successive teeth 10, as shown in FIG. figure 16 .
  • the radius R3 of the circle centered on the axis of rotation of the disc 1 and passing through the apex of a first tooth 10 is greater than the radius R4 of the circle centered on the axis of rotation of the disc 1 and passing through the top of a second tooth 10, itself greater than the radius R5 of the circle centered on the axis of rotation of the disc 1 and passing through the apex of a last tooth 10, as shown in FIG. figure 15 .
  • the first indexing device 3 is arranged so that the date disk is moved one step at each action of the driving element and the second indexing device 4 is arranged so that the date disk is moved from two steps to each action of the coaching element intervening at the end of the thirtieth day of a short month or thirty days.
  • the method may also govern the operation of a movement or a timepiece.
  • the method comprises deactivating the first indexing device and activating the second indexing device for the passage of the dates from one month to the next month.
  • the first and second indexing devices are selectively activated during the transition from one end of the month to the next month. These activations are preferably exclusive, that is to say that when one of the indexing devices is activated, the other is not.
  • the date disk 1 is indexed by one or the other of the first and second indexing devices according to the state of the activation and deactivation element of at least one of the first and second devices. indexing.
  • the first indexing device is activated by default, especially during the months and for long month ends.
  • the second indexing device is activated only at the end of short months, that is to say during the last day or the last few days before the end of short months, including the last two days or three last days.
  • the second indexing device is preferably activated on the last or last days of February, April, June, September and November.
  • an indexing device is activated even during a transitional period of change of date since the indexing device effectively indexes the date disk in position at a first date on a first day and that the device indexing effectively indexes the date disc to a second date on a second day, the second day just after the first day.
  • the timing system described above has the major advantage of providing a latch 4 which is firstly provided to allow the inhibition of the jumper 3. No resistive torque generated by the jumper 3 is to be overcome during the additional jump of dated. Moreover, studies by the applicant show that the energy required by the energy accumulator 8, 8a, 9 to allow a date jump when the toothing 1b is indexed by the roller 4a is not more important than that to allow a date jump when the toothing 1a is indexed by the spout 3a. Thus, the annual calendar system described above has the same energy consumption as a simple calendar system.
  • the driving element 2 is instantaneous jump.
  • it could take the form of a coach element semi-instantaneous jump or dragging.
  • the energy accumulator 8, 8a, 9 could possibly take the form of a spring provided for directly actuating a driving finger against a tooth 10a.
  • the disk 1 is provided with internal teeth 1a, 1b.
  • the teeth 1a and 1b can be external teeth.
  • the disc 1 may for example have the shape of a wheel on which is reported a display needle of the date indication.
  • the disk 1 may be provided to operate a display mechanism of a "big date”.
  • the latch 4 is directly actuated by a cam 70.
  • the latch 4 could be controlled via an additional control lever.
  • the cam 70 may be provided to display the indication of the month and possibly be a display member of the month.
  • the cam 70 is actuated by the disk 1 of the dates in the course of the month.
  • the cam 70 could be operated during the transition from thirty-one to the first of the following month.
  • the rocker 4 or the possible control lever could be actuated by a related control device.
  • the display of the month could for example be implemented by a device such as that disclosed by patent applications EP2428856 and EP2624075 , through a month display disk kinematically linked to a date display disc.
  • the embodiment of the calendar system described above thus implements a calendar training flip-flop which, at the end of each thirty-day month, is intended to work in combination with a conventional instant jump calendar trainer. .
  • the flip-flop of this embodiment is distinguished by the fact that it is also provided to allow the angular indexing of the date disc.
  • Such a construction makes it possible to achieve the implementation of an annual calendar device perfectly instantaneous, whose energy consumption is minimized.
  • a perpetual calendar could also be developed on the basis of such a construction, for example through an additional drive element of the date disc.
  • the drive flip-flop of the date disk has the particularity of acting punctually on the date disc. It is also provided, in certain configurations of the calendar system, to index the angular position of the date disc and thus replace the traditional jumper dates. Preferably, the torque required to move the date disc by an additional step is restored by the indexing jumper of the date disc. The torque provided to allow the movement of the drive rocker thus does not add to the torque required for indexing the date disc.
  • the calendar coaching element can be dimensioned in a manner similar to that of a calendar driver element of a single calendar, which is provided to allow the date disk to jump on a single, single angular step. Such a construction is therefore particularly favorable in terms of energy and development.

Abstract

Système (100) de calendrier horloger comprenant : - un mobile (1) des quantièmes ; - un premier dispositif (3) d'indexation de la position du mobile des quantièmes ; - un deuxième dispositif (4) d'indexation de la position du mobile des quantièmes ; - un élément (70, 3b, 4b, 40) d'activation et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation, l'indexation du mobile des quantièmes par l'un ou l'autre des premier et deuxième dispositifs d'indexation étant exclusive.A watch calendar system (100) comprising: a mobile (1) of the dates; a first device (3) for indexing the mobile position of the dates; a second device (4) for indexing the mobile position of the dates; an element (70, 3b, 4b, 40) for activating and deactivating at least one of the first and second indexing devices, the indexing of the date mobile by one or the other of the first and second indexing devices being exclusive.

Description

L'invention concerne un système de calendrier horloger, en particulier un système de calendrier horloger annuel ou perpétuel. Elle concerne aussi un mouvement horloger comprenant un tel système. Elle concerne encore une pièce d'horlogerie, notamment une montre bracelet, comprenant un tel système ou un tel mouvement. Elle concerne enfin un procédé de fonctionnement d'un tel système de calendrier horloger, d'un tel mouvement ou d'une telle pièce d'horlogerie.The invention relates to a watch calendar system, in particular an annual or perpetual watch calendar system. It also relates to a watch movement comprising such a system. It also relates to a timepiece, including a wristwatch, including such a system or such a movement. Finally, it relates to a method of operating such a watch calendar system, such a movement or such a timepiece.

On connaît de la demande de brevet EP0987609 un mécanisme de calendrier annuel doté de deux chaînes cinématiques d'entraînement du disque des quantièmes. Un premier mobile entraîneur de calendrier permet, tous les jours, un premier saut du disque des quantièmes. Un deuxième mobile entraîneur de calendrier, appelé mobile de correction, permet un saut supplémentaire du disque des quantièmes à la fin d'un mois de trente jours. Celui-ci est pivoté sur une bascule dont la position angulaire est pilotée par une came des mois et des ressorts de rappel. Une telle construction requiert un nombre important de pièces, notamment des ressorts et des leviers, et consomme beaucoup d'énergie. Par ailleurs, du fait du séquencement de fonctionnement d'un tel mécanisme, il est très difficile de parvenir à un saut de date instantané du calendrier de bonne qualité à la fin d'un mois court.Patent application is known EP0987609 an annual calendar mechanism with two kinematic drive chains for the date disk. A first mobile calendar trainer allows, every day, a first jump of the date disc. A second mobile calendar coach, called mobile correction, allows an additional jump of the date disc at the end of a month of thirty days. It is pivoted on a rocker whose angular position is driven by a cam of months and return springs. Such a construction requires a large number of parts, including springs and levers, and consumes a lot of energy. Moreover, because of the sequencing of operation of such a mechanism, it is very difficult to achieve an instantaneous date jump of the good quality calendar at the end of a short month.

On connaît de la demande de brevet EP1335253 un mécanisme de calendrier annuel mettant en oeuvre une bascule d'entraînement du disque des quantièmes qui, à la fin de chaque mois de trente jours, est prévue pour fonctionner en combinaison avec un mobile entraîneur de calendrier conventionnel. Un galet, monté sur la bascule d'entraînement, est prévu pour coopérer continuellement avec une came qui est agencée à la périphérie extérieure du disque des quantièmes. Tout au long du mois, la bascule accumule l'énergie nécessaire à un éventuel saut supplémentaire de date en armant un ressort par l'intermédiaire d'un profil de la came. Le profil se termine par une pente abrupte de façon à ce que la bascule et son galet puissent faire avancer le disque des quantièmes d'un pas supplémentaire sous l'effet de la force restituée par le ressort. Le ressort est ici dimensionné de telle façon qu'il puisse vaincre le couple de maintien du disque des quantièmes qui est assuré par un sautoir d'indexation conventionnel, ce qui n'est pas optimal en termes de consommation énergétique. Par ailleurs, le galet de la bascule, sous l'effet du ressort, est en appui continuel à l'encontre du disque des quantièmes, si bien qu'un dispositif connexe d'ajustement de la force du ressort est préconisé pour permettre un réglage aisé du calendrier.Patent application is known EP1335253 an annual calendar mechanism implementing a date disk drive latch which, at the end of each month of thirty days, is provided to operate in combination with a conventional calendar driving mobile. A roller, mounted on the drive rocker, is provided to cooperate continuously with a cam which is arranged at the outer periphery of the date disc. Throughout the month, the rocker accumulates the energy needed for a possible additional date jump by arming a spring via a profile of the cam. The profile ends with a steep slope so that the rocker and its roller can advance the date disc by an additional step under the effect of the force restored by the spring. The spring is here dimensioned in such a way that it can overcome the holding torque of the date disk which is provided by a conventional indexing jumper, which is not optimal in terms of energy consumption. Furthermore, the rocker of the rocker, under the effect of the spring, is in continuous support against the date disk, so that a related device for adjusting the spring force is recommended to allow adjustment easy of the calendar.

On connaît de la demande CH706799 un mécanisme de calendrier annuel doté d'une bascule d'entraînement qui présente la particularité d'agir de manière ponctuelle sur le disque des quantièmes. À la fin de chaque mois, le nombre de sauts du disque des quantièmes est fonction de la course angulaire qu'est susceptible d'effectuer la bascule. À cet effet, la bascule est à la fois pilotée par une came de calendrier qui est prévue pour emmagasiner l'énergie requise pour l'entraînement du disque des quantièmes, et par une came annuelle prévue pour définir l'amplitude de la course angulaire du levier. Le ressort prévu pour actionner la bascule d'entraînement est dimensionné de telle façon qu'il puisse vaincre le couple de maintien du disque des quantièmes sur deux pas angulaires du disque des quantièmes, ce qui n'est pas favorable en termes énergétique. Par ailleurs, un mécanisme de débrayage entre le disque des quantièmes et la bascule d'entraînement du disque des quantièmes est requis pour permettre le réglage du calendrier lorsque la bascule est en interaction avec la denture du disque des quantièmes. On connaît de la demande EP1962152 un dispositif d'aide au maintien en position d'un disque des quantièmes. Celui-ci divulgue un organe de blocage qui, en dehors des périodes d'entraînement du disque des quantièmes, agit sur un sautoir d'indexation du disque des quantièmes de façon à éviter tout risque de double saut de date.Demand is known CH706799 an annual calendar mechanism equipped with a drive rocker which has the particularity of acting in a specific manner on the date disc. At the end of each month, the number of jumps of the date disk is a function of the angular travel that the rocker can perform. For this purpose, the rocker is both driven by a calendar cam which is intended to store the energy required for the drive of the date disk, and by an annual cam provided to define the amplitude of the angular stroke of the the sink. The spring provided for actuating the drive rocker is dimensioned in such a way that it can overcome the holding torque of the date disk on two angular steps of the date disk, which is not favorable in terms of energy. Furthermore, a disengagement mechanism between the date disk and the date disk drive rocker is required to allow the calendar to be adjusted when the rocker is in interaction with the teeth of the date disk. Demand is known EP1962152 a device for maintaining the position of a date disk. This discloses a locking member which, apart from the training periods of the date disk, acts on a jumper indexing the date disk so as to avoid any risk of double date jump.

On connaît enfin de la demande EP2180383 un dispositif d'aide au maintien en position d'un disque des quantièmes. Celui-ci divulgue un organe de blocage d'un sautoir d'indexation d'un disque des quantièmes, qui peut être actionné par un mécanisme connexe de correction de façon à minimiser le couple résistant durant les phases de réglage de la date.We finally know the demand EP2180383 a device for maintaining the position of a date disk. It discloses a locking member of an indexing dart of a date disk, which can be actuated by a related correction mechanism so as to minimize the resistive torque during the phases of setting the date.

Ainsi, les calendriers annuels connus de l'art antérieur sont traditionnellement équipés d'un ou deux mobiles entraîneurs de calendrier qui sont prévus pour coopérer avec une came ou une roue auxiliaire des mois. Cet élément pilote le mécanisme de double saut de date à la fin de chaque mois court par le biais d'éventuels ressorts et leviers additionnels. Une telle construction peut induire un séquencement de fonctionnement particulièrement délicat. Le double saut de date à la fin des mois de trente jours peut être problématique du fait du séquencement de fonctionnement de deux chaînes cinématiques distinctes d'entraînement du disque des quantièmes et, d'autre part, du fait du surcroît énergétique qu'un tel saut requiert.Thus, the known annual calendars of the prior art are traditionally equipped with one or two mobile calendar drives which are provided to cooperate with a cam or an auxiliary wheel months. This element drives the double-jump mechanism at the end of each month runs through any additional springs and levers. Such a construction can induce a particularly delicate operating sequence. The double date jump at the end of the thirty-day period can be problematic because of the sequencing of the operation of two separate kinematic chains for driving the date disk and, secondly, because of the energy increase that such jump requires.

Le but de l'invention est de fournir un système de calendrier horloger permettant de remédier aux inconvénients mentionnés précédemment et d'améliorer les systèmes de calendrier horloger connus de l'art antérieur. En particulier, l'invention propose notamment un système de calendrier horloger annuel fiable dont la consommation énergétique est minimisée. Un système de calendrier horloger selon l'invention est défini par la revendication 1.The object of the invention is to provide a watch calendar system to overcome the drawbacks mentioned above and to improve the watch calendar systems known from the prior art. In particular, the invention proposes in particular a reliable annual calendar calendar system whose energy consumption is minimized. A watch calendar system according to the invention is defined by claim 1.

Différents modes de réalisation du système sont définis par les revendications dépendantes 2 à 14.Different embodiments of the system are defined by dependent claims 2-14.

Un mouvement selon l'invention est défini par la revendication 15.A movement according to the invention is defined by claim 15.

Une pièce d'horlogerie selon l'invention est définie par la revendication 16.A timepiece according to the invention is defined by claim 16.

Un procédé de fonctionnement selon l'invention est défini par la revendication 17.An operating method according to the invention is defined by claim 17.

Les figures 1 à 21 représentent, à titre d'exemple, un mode de réalisation d'un système de calendrier selon l'invention, notamment un système de calendrier annuel.The Figures 1 to 21 represent, by way of example, an embodiment of a calendar system according to the invention, in particular an annual calendar system.

Un mode de réalisation d'une pièce d'horlogerie 120 selon l'invention est décrit ci-après en référence sur la figure 1. La pièce d'horlogerie peut en particulier être une montre-bracelet. Elle comprend un mouvement 110, de préférence un mouvement mécanique.An embodiment of a timepiece 120 according to the invention is described below with reference to the figure 1 . The timepiece can in particular be a wristwatch. It comprises a movement 110, preferably a mechanical movement.

Le mode de réalisation du mouvement 110 représenté sur la figure 1 comprend un système de calendrier horloger 100, notamment un système de calendrier annuel.The embodiment of the movement 110 represented on the figure 1 includes a watch calendar system 100, including an annual calendar system.

Avantageusement, le mode de réalisation du système 100 de calendrier horloger représenté sur les figures 1 à 21 comprend :

  • un mobile 1 d'indication des quantièmes ;
  • un premier dispositif 3 d'indexation de la position du mobile des quantièmes ;
  • un deuxième dispositif 4 d'indexation de la position du mobile des quantièmes ; et
  • un élément d'activation 70, 4b et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation.
Advantageously, the embodiment of the watch calendar system 100 represented on the Figures 1 to 21 includes:
  • a mobile 1 indicating dates;
  • a first device 3 for indexing the mobile position of the dates;
  • a second device 4 indexing the mobile position of the dates; and
  • an activation element 70, 4b and deactivating at least one of the first and second indexing devices.

Le mobile d'indication des quantièmes est par exemple un disque d'indication des quantièmes ou un disque des quantièmes.The date indication mobile is for example a date indication disc or a date disc.

De préférence, l'indexation du mobile 1 des quantièmes par l'un ou l'autre des premier et deuxième dispositifs d'indexation est exclusive. Autrement dit, le mobile 1 des quantièmes est indexé par l'un ou l'autre des premier et deuxième dispositifs d'indexation selon l'état de l'élément d'activation et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation. Pour ce faire, l'élément d'activation et de désactivation peut être un élément d'activation et de désactivation exclusives des premier et deuxième dispositifs d'indexation.Preferably, the indexation of the mobile 1 of the dates by one or other of the first and second indexing devices is exclusive. In other words, the date mobile 1 is indexed by one or the other of the first and second indexing devices according to the state of the activation and deactivation element of at least one of the first and second devices. indexing. To do this, the activation and deactivation element can be an exclusive activation and deactivation element of the first and second indexing devices.

Le calendrier est donc prévu pour la reconnaissance des mois de trente jours ou des mois de moins de trente jours et des mois de trente et un jours afin de réaliser un calendrier annuel ou perpétuel.The calendar is therefore intended for the recognition of months of thirty days or months of less than thirty days and months of thirty-one days in order to achieve an annual or perpetual calendar.

Ainsi, le système 100 de calendrier se distingue par la mise en oeuvre d'un disque 1 d'affichage des quantièmes qui peut être positionné angulairement ou indexé soit par le premier dispositif d'indexation 3, soit par le deuxième dispositif d'indexation 4 du disque d'affichage des quantièmes, comme représenté en particulier sur les figures 1 et 2. Comme indiqué précédemment, l'indexation du disque des quantièmes par l'un ou l'autre des premier et deuxième dispositifs d'indexation est exclusive. Autrement dit, lorsque le premier dispositif d'indexation 3 indexe la position angulaire du disque 1 d'affichage des quantièmes, le deuxième dispositif d'indexation 4 n'indexe pas la position angulaire du disque 1 d'affichage des quantièmes, et lorsque le deuxième dispositif d'indexation 4 indexe la position angulaire du disque 1 d'affichage des quantièmes, le premier dispositif d'indexation 3 n'indexe pas la position angulaire du disque 1 d'affichage des quantièmes.Thus, the calendar system 100 is distinguished by the implementation of a date display disc 1 which can be positioned angularly or indexed either by the first indexing device 3 or by the second indexing device 4 of the date display disc, as shown in particular on the Figures 1 and 2 . As indicated above, the indexation of the date disk by one or the other of the first and second indexing devices is exclusive. In other words, when the first indexing device 3 indexe the angular position of the date display disc 1, the second indexing device 4 does not index the angular position of the date display disk 1, and when the second indexing device 4 indexes the angular position of the date display disc 1, the first indexing device 3 does not index the angular position of the date display disc 1.

Avantageusement, le premier dispositif d'indexation comprend un sautoir 3, en particulier une tête 3a de sautoir et un ressort 30 de rappel. Le sautoir 3, notamment la tête 3a du sautoir 3, est prévu pour coopérer, notamment coopérer par contact, avec une première denture 1a du disque des quantièmes sous l'effet du ressort 30 de rappel.Advantageously, the first indexing device comprises a jumper 3, in particular a jumper head 3a and a return spring. The jumper 3, in particular the head 3a of the jumper 3, is provided to cooperate, in particular cooperate by contact, with a first set of teeth 1a of the date disc under the effect of the return spring.

Avantageusement, le deuxième dispositif d'indexation comprend une bascule 4 pourvue d'une tête 4a, notamment d'un premier galet 4a, et un ressort de rappel 40. La bascule 4, notamment la tête 4a, peut être agencée pour coopérer, notamment coopérer par contact, avec une deuxième denture 1b du disque des quantièmes. La deuxième denture 1b est dotée d'une surface de came 10b* permettant au deuxième dispositif d'indexation, notamment par le biais du galet 4a, d'entraîner le disque des quantièmes sur deux pas du disque des quantièmes.Advantageously, the second indexing device comprises a rocker 4 provided with a head 4a, in particular a first roller 4a, and a return spring 40. The rocker 4, in particular the head 4a, can be arranged to cooperate, in particular cooperate by contact, with a second set of teeth 1b of the date disc. The second toothing 1b is provided with a cam surface 10b * enabling the second indexing device, in particular by means of the roller 4a, to drive the date disk on two steps of the date disk.

Le disque 1 est donc doté de deux dentures distinctes 1a, 1b. La première denture 1a comporte trente et une dents 10a. Les dents 10a sont prévues pour coopérer, notamment coopérer par obstacle, d'une part avec un élément 2 d'entraînement du disque des quantièmes, et d'autre part avec le sautoir 3. La deuxième denture 1b comporte au moins une dent, notamment trois dents 10b, qui sont, quant à elles, prévues pour coopérer spécifiquement avec la bascule 4. Le premier dispositif d'indexation, notamment, le sautoir 3, et le deuxième dispositif d'indexation, notamment la bascule 4, sont par exemple mobiles en rotation, notamment mobiles en rotation selon un même axe de pivotement P. Avantageusement, la bascule 4 est susceptible de commander le sautoir 3 de façon à inhiber son action à l'encontre de la denture 1a par le biais de moyens 3b, 3c, 4b, 40 qui seront détaillés plus bas en référence à la figure 3.The disc 1 is therefore provided with two separate teeth 1a, 1b. The first set of teeth 1a has thirty-one teeth 10a. The teeth 10a are provided to cooperate, in particular cooperate by obstacle, on the one hand with a drive element 2 of the date disc, and on the other hand with the jumper 3. The second toothing 1b comprises at least one tooth, in particular three teeth 10b, which are, in turn, provided to cooperate specifically with the latch 4. The first indexing device, in particular, the jumper 3, and the second indexing device, including the latch 4, are for example mobile in rotation, in particular movable in rotation along the same pivot axis P. Advantageously, the latch 4 is capable of controlling the jumper 3 so as to inhibit its action against the toothing 1a by means 3b, 3c, 4b , 40 which will be detailed below with reference to the figure 3 .

En fonctionnement conventionnel ou par défaut du système de calendrier, la position angulaire du disque 1 d'affichage des quantièmes est définie par la tête ou le bec 3a du sautoir 3 qui est conformé pour coopérer avec deux dents consécutives 10a. Pour ce faire, le sautoir 3 est doté du ressort 30 ayant la forme d'un bras élastique 30 qui est prévu pour être armé par une goupille G solidaire du bâti du mouvement de façon à générer un couple résistif M relativement à l'axe P, et ainsi permettre le placage du bec 3a à l'encontre des dents 10a lorsque le disque 1 n'est pas sollicité par l'élément entraîneur comme représenté sur les figures 1 et 2.In conventional or default operation of the calendar system, the angular position of the date display disc 1 is defined by the head or spout 3a of the jumper 3 which is shaped to cooperate with two consecutive teeth 10a. To do this, the jumper 3 is provided with the spring 30 in the form of an elastic arm 30 which is provided to be armed by a pin G secured to the frame of the movement so as to generate a resistive torque M relative to the axis P , and thus allow the plating of the spout 3a against the teeth 10a when the disc 1 is not stressed by the driving element as shown in the drawings. Figures 1 and 2 .

L'élément entraîneur 2 peut présenter une structure tout à fait classique comme représenté sur la figure 4. Celui-ci est doté d'un doigt entraîneur 2a qui est prévu pour entraîner une dent 10a sur un pas angulaire du disque 1 des quantièmes. Il est également muni d'une roue 5 de calendrier, effectuant une rotation complète en 24 heures, qui est reliée au rouage 6 du mouvement de base, et d'une came 7 qui est prévue pour coopérer avec un accumulateur d'énergie 8, 8a, 9, de manière à ce que le doigt d'entraînement 2a puisse entraîner instantanément le disque 1 au moment de minuit. L'accumulateur comprend une bascule 8 dotée d'un galet 8a. Un ressort 9 est agencé pour rappeler la bascule 8 de sorte que le galet 8a vienne en appui contre la came 7. La came 7 est solidaire du doigt 2a. Les moyens de débrayage entre la roue 5 et la came 7 peuvent être mis en oeuvre par le biais de moyens conventionnels, comme par exemple une découpe oblongue 5a réalisée sur la planche de la roue 5, qui est conformée pour coopérer avec une goupille 7a chassée sur la came 7. Alternativement, ces moyens de débrayage peuvent être substitués par un dispositif d'encliquetage tel que celui divulgué par la demande de brevet EP2428855 de la demanderesse.The driving element 2 may have a quite conventional structure as shown in FIG. figure 4 . It is provided with a driving finger 2a which is provided for driving a tooth 10a on an angular step of the disk 1 of the dates. It is also provided with a calendar wheel, making a complete rotation in 24 hours, which is connected to the gear 6 of the base movement, and a cam 7 which is designed to cooperate with an energy accumulator 8, 8a, 9, so that the drive finger 2a can instantly drive the disc 1 at midnight. The accumulator comprises a rocker 8 provided with a roller 8a. A spring 9 is arranged to return the latch 8 so that the roller 8a bears against the cam 7. The cam 7 is secured to the finger 2a. The disengaging means between the wheel 5 and the cam 7 may be implemented by conventional means, such as an oblong cut 5a made on the board of the wheel 5, which is shaped to cooperate with a pin 7a driven on the cam 7. Alternatively, these disengaging means may be substituted by a latching device such as that disclosed by the patent application EP2428855 of the plaintiff.

Tout au long de la journée, la roue 5 mène la came 7 et accumule l'énergie nécessaire au saut instantané du doigt 2a en armant le ressort 9 par l'intermédiaire du profil de la came 7 et de la bascule 8. Juste avant le passage de date, le galet 8a parvient au sommet du profil de la came 7. Le passage de date s'effectue en une fraction de seconde lorsque le ressort 9 restitue l'énergie accumulée en communiquant un mouvement brusque de rotation à la came 7 et au doigt 2a par l'intermédiaire de la bascule 8 et de son galet 8a. Le doigt 2a vainc alors le couple de tenue M sur au moins un demi-pas angulaire du disque 1 jusqu'à ce que le sommet de dent 10a soit au moins franchi par le bec 3a comme représenté sur la figure 5. Passé le sommet de dent, le bras élastique 30 restitue l'énergie et repositionne le disque 1 au quantième suivant comme représenté sur la figure 6.Throughout the day, the wheel 5 leads the cam 7 and accumulates the energy required for the instantaneous jump of the finger 2a by arming the spring 9 via the profile of the cam 7 and the rocker 8. Just before the When the date passes, the roller 8a reaches the top of the profile of the cam 7. The date change is made in a fraction of a second when the spring 9 restores the accumulated energy by imparting a sudden movement of rotation to the cam 7 and finger 2a via the rocker 8 and its roller 8a. The finger 2a then overcomes the holding torque M over at least one half-angular step of the disk 1 until the tooth vertex 10a is at least crossed by the spout 3a as shown in FIG. figure 5 . After the tooth tip, the elastic arm 30 restores the energy and repositions the disk 1 to the next date as shown on the figure 6 .

En fonctionnement conventionnel du mécanisme de calendrier, en particulier à la fin d'un mois de trente et un jours, la bascule 4 est sans effet sur le sautoir 3. Ainsi, le premier dispositif d'indexation est activé et le deuxième dispositif d'indexation est désactivé.In conventional operation of the calendar mechanism, in particular at the end of a month of thirty-one days, the flip-flop 4 has no effect on the jumper 3. Thus, the first indexing device is activated and the second device indexing is disabled.

Le ressort 40, sous forme de bras élastique 40, est précontraint par une goupille 3c du sautoir 3, en particulier l'entretoise 3c du bec 3a, de façon à générer un couple résistif M' relativement à l'axe P, et ainsi permettre le positionnement univoque de la bascule 4 à l'encontre d'une butée B qui est solidaire du bâti du mouvement comme représenté sur la figure 7. Le bras élastique 40 est défini de telle sorte que le couple M' soit sensiblement inférieur au couple M, et ainsi être sans effet quant au positionnement et au déplacement du bec 3a à l'encontre de la denture 1a. Par exemple, le couple M' peut être dix fois plus faible que le couple M.The spring 40, in the form of an elastic arm 40, is prestressed by a pin 3c of the jumper 3, in particular the spacer 3c of the spout 3a, so as to generate a resistive torque M 'relative to the axis P, and thus allow the unambiguous positioning of the rocker 4 against a stop B which is secured to the frame of the movement as shown in FIG. figure 7 . The elastic arm 40 is defined such that the torque M 'is substantially less than the torque M, and thus have no effect on the positioning and displacement of the spout 3a against the toothing 1a. For example, the torque M 'can be ten times lower than the torque M.

Dans cette configuration, le galet 4a, disposé à une première extrémité de la bascule 4, est hors de portée de la denture 1 b, comme représenté sur la figure 7. Ainsi, à la fin d'un mois de trente et un jours, le saut de date s'effectue classiquement comme représenté par les figures 4 à 6.In this configuration, the roller 4a, disposed at a first end of the rocker 4, is out of reach of the toothing 1b, as shown in FIG. figure 7 . Thus, at the end of a month of thirty-one days, the date jump is classically performed as represented by the Figures 4 to 6 .

De préférence, l'élément d'activation et de désactivation comprend un premier dispositif 70, 3b, 4b de désactivation du premier dispositif d'indexation et un deuxième dispositif 40, 70 d'activation du deuxième dispositif d'indexation. Le premier dispositif 70, 3b, 4b de désactivation est agencé de sorte que le premier dispositif d'indexation est désactivé et le deuxième dispositif 40, 70 d'activation est agencé de sorte que le deuxième dispositif d'indexation est activé lors de l'entraînement du disque des quantièmes lors des passages d'un mois court au mois suivant.Preferably, the activation and deactivation element comprises a first device 70, 3b, 4b for deactivating the first indexing device and a second device 40, 70 for activating the second indexing device. The first device 70, 3b, 4b of deactivation is arranged so that the first indexing device is deactivated and the second activation device 40, 70 is arranged so that the second indexing device is activated during the drive of the date disc during the passage of a short month to the following month.

De préférence, le premier dispositif 70, 3b, 4b de désactivation est agencé de sorte que le premier dispositif d'indexation est désactivé et le deuxième dispositif 70 d'activation est agencé de sorte que le deuxième dispositif d'indexation est activé durant un jour, voire deux jours, voire trois jours, précédents les passages d'un mois court au mois suivant.Preferably, the first deactivation device 70, 3b, 4b is arranged such that the first indexing device is deactivated and the second activation device 70 is arranged so that the second indexing device is activated for one day. or two days, or even three days, before the passage of a short month to the next month.

Complémentairement ou alternativement, le premier dispositif 70, 3b, 4b de désactivation est agencé de sorte que le premier dispositif d'indexation est activé et le deuxième dispositif 40, 70 d'activation est agencé de sorte que le deuxième dispositif d'indexation est désactivé par défaut durant les différents mois, notamment pendant les jours précédant les passages d'un mois long au mois suivant à l'exception des jours précédant les passages d'un mois court au mois suivant.Complementarily or alternatively, the first deactivation device 70, 3b, 4b is arranged so that the first indexing device is activated and the second activation device 40, 70 is arranged so that the second indexing device is deactivated. by default during the different months, especially during the days preceding Passages from one month long to the next month except for the days preceding the passage of a short month to the next month.

Le premier dispositif 70, 3b, 4b de désactivation du premier dispositif d'indexation peut comprendre une came 70 de commande. Le premier dispositif 70, 3b, 4b de désactivation du premier dispositif d'indexation peut comprendre une première butée 3b prévue sur le premier dispositif d'indexation et coopérant avec une deuxième butée 4b prévue sur le deuxième dispositif d'indexation de sorte à écarter le premier dispositif d'indexation de sa position de coopération avec le disque des quantièmes et de sorte à soumettre le deuxième dispositif d'indexation au couple du premier ressort 30 de rappel du premier dispositif d'indexation lorsque le deuxième dispositif d'indexation coopère avec le disque des quantièmes.The first device 70, 3b, 4b of deactivation of the first indexing device may comprise a control cam 70. The first device 70, 3b, 4b of deactivation of the first indexing device may comprise a first stop 3b provided on the first indexing device and cooperating with a second stop 4b provided on the second indexing device so as to remove the first indexing device of its position of cooperation with the date disk and so as to subject the second indexing device to the pair of the first return spring 30 of the first indexing device when the second indexing device cooperates with the record of the dates.

Le premier dispositif d'indexation est par défaut activé sous l'effet du premier ressort 30. Dès lors, le premier dispositif de désactivation du premier dispositif d'indexation permet d'inhiber la coopération du sautoir 3 et du disque 1 des quantièmes sous l'effet du premier ressort 30.The first indexing device is by default activated by the effect of the first spring 30. Consequently, the first device for deactivating the first indexing device makes it possible to inhibit the cooperation of the jumper 3 and the disk 1 of the dates under the effect of the first spring 30.

Le deuxième dispositif 40, 70 d'activation du deuxième dispositif d'indexation peut comprendre une came 70 de commande. Le deuxième dispositif d'indexation peut être prévu pour coopérer avec la came 70, notamment par le biais d'un deuxième galet 4c de la bascule 4. Le deuxième dispositif d'activation du deuxième dispositif d'indexation permet ainsi de contraindre le deuxième ressort 40 de telle sorte que le galet 4a est apte à coopérer avec la denture 1 b.The second device 40, 70 for activating the second indexing device may comprise a control cam 70. The second indexing device may be provided to cooperate with the cam 70, in particular by means of a second roller 4c of the rocker 4. The second device for activating the second indexing device thus makes it possible to constrain the second spring 40 so that the roller 4a is adapted to cooperate with the toothing 1b.

Dès lors, à la fin d'un mois de trente jours, en particulier lors du passage du vingt-huitième au vingt-neuvième quantième, le galet 4a de la bascule 4 est positionné de manière à pouvoir être actionné par une première dent 10b de la denture 1 b. A cet effet, la bascule 4 peut être positionnée par la came annuelle 70 qui est liée cinématiquement au disque 1 des quantièmes par le biais, par exemple, d'une chaîne de rouages 1c, 60, 70c qui sera explicitée par après en référence à la figure 8. Dans cette configuration, le galet 4c, disposé à une deuxième extrémité de la bascule 4, est en appui à l'encontre de la périphérie extérieure 70a de la came 70 sous l'effet du deuxième ressort 40.Therefore, at the end of a month of thirty days, especially during the passage of the twenty-eighth to the twenty-ninth calendar, the roller 4a of the rocker 4 is positioned so as to be actuated by a first tooth 10b of the teeth 1b. For this purpose, the latch 4 can be positioned by the annual cam 70 which is kinematically connected to the disk 1 of the calendars via, for example, a chain of wheels 1c, 60, 70c which will be explained later with reference to the figure 8 . In this configuration, the roller 4c, disposed at a second end of the rocker 4, bears against the outer periphery 70a of the cam 70 under the effect of the second spring 40.

Un saut de date à la fin d'un mois court ou de trente jours, par exemple à la fin du mois d'avril est décrit ci-après. La figure 8 illustre le mécanisme de calendrier annuel le 28 avril, juste avant le saut de date du 28 au 29 avril. Dans cette configuration, le galet 4a de la bascule 4 est positionné de manière à pouvoir être actionné par une première dent 10b de la denture 1 b.A date jump at the end of a short month or thirty days, for example at the end of April, is described below. The figure 8 illustrates the annual calendar mechanism on April 28, just prior to the date jump from April 28 to 29. In this configuration, the roller 4a of the rocker 4 is positioned so as to be actuated by a first tooth 10b of the toothing 1b.

Lors du passage de date du 28 au 29 avril comme représenté sur la figure 9, une première dent 10b agit sur le galet 4a, ce qui induit la rotation de la bascule 4 relativement à P. Lors de son déplacement, la bascule 4 actionne le sautoir 3, par le biais d'une goupille 4b qui est prévue pour coopérer avec un flanc 3b du sautoir 3, de telle façon que le bec 3a se dégage de la denture 1a. Une fois le saut de date réalisé, la position angulaire du disque 1 d'affichage des quantièmes est définie par le galet 4a de la bascule 4 qui est conformé pour coopérer avec deux dents consécutives 10b comme représenté sur la figure 10.When going from 28th to 29th of April as depicted on the figure 9 , a first tooth 10b acts on the roller 4a, which induces the rotation of the latch 4 relative to P. During its movement, the latch 4 actuates the jumper 3, by means of a pin 4b which is intended to cooperate with a flank 3b of the jumper 3, so that the spout 3a emerges from the toothing 1a. Once the date jump has been achieved, the angular position of the date display disc 1 is defined by the roller 4a of the lever 4 which is shaped to cooperate with two consecutive teeth 10b as shown in FIG. figure 10 .

La denture 1b est définie de façon à ce que le bras élastique 30, par l'entremise de la bascule 4, accumule, lors des passages de date du vingt-huitième au trentième quantième, l'énergie nécessaire pour permettre un saut additionnel du disque 1 à la fin d'un mois court. Plus particulièrement, la denture 1b est prévue pour permettre un armage complémentaire du bras élastique 30 tout en inhibant le rôle du bec 3a à l'encontre de la denture 1a. Préférentiellement, la denture 1b est conformée de manière à ce que l'association sautoir 3 - bascule 4 génère un couple résistif relativement à P au moins égal à M, et permette ainsi une tenue adéquate de la position angulaire du disque 1 des quantièmes lorsque ce dernier n'est pas sollicité par le doigt entraîneur 2a. Avantageusement, l'énergie requise par l'accumulateur d'énergie 8, 8a, 9 pour permettre un saut de date lorsque la denture 1 b est indexée par le galet 4a n'est pas plus importante que celle pour permettre un saut de date lorsque la denture 1a est indexée par le bec 3a. Pour ce faire, la géométrie des éléments, notamment celle de la denture 1 b, ainsi que le choix des matériaux ont été optimisés de façon à réduire les pertes dues aux frottements. Par exemple, le galet 4a pourra prendre la forme d'une pierre 4a montée pivotante à l'extrémité de la bascule 4.The toothing 1b is defined so that the elastic arm 30, through the lever 4, accumulates, during the date transitions from the twenty-eighth to the thirtieth day, the energy necessary to allow an additional jump of the disc 1 at the end of a short month. More particularly, the toothing 1b is provided to allow complementary arming of the elastic arm 30 while inhibiting the role of the spout 3a to against the teeth 1a. Preferably, the toothing 1b is shaped so that the jumper 3 - toggle 4 generates a resistive torque relative to P at least equal to M, and thus allows an adequate holding of the angular position of the disk 1 of the dates when this last is not solicited by the finger coach 2a. Advantageously, the energy required by the energy accumulator 8, 8a, 9 to allow a date jump when the toothing 1b is indexed by the roller 4a is not greater than that to allow a date jump when the toothing 1a is indexed by the spout 3a. To do this, the geometry of the elements, in particular that of the teeth 1b, as well as the choice of materials have been optimized so as to reduce the losses due to friction. For example, the roller 4a may take the form of a rock 4a pivotally mounted at the end of the rocker 4.

La figure 11 illustre le mécanisme de calendrier au 30 avril. Dans cette configuration, le galet 4a de la bascule 4 est plaqué à l'encontre des deux dernières dents consécutives 10b de la denture 1b. La denture 1b présente la particularité de se terminer par un flanc abrupt 10b* de façon à ce que la bascule 4 et son galet 4a puissent faire avancer le disque des quantièmes d'un pas supplémentaire, soit de deux pas, sous l'effet de la force restituée par le bras élastique 30 du sautoir 3 agissant sur la bascule par le biais de la goupille 4b.The figure 11 illustrates the calendar mechanism as of April 30. In this configuration, the roller 4a of the rocker 4 is pressed against the last two consecutive teeth 10b of the toothing 1b. The toothing 1b has the particularity of terminating in an abrupt flank 10b * so that the rocker 4 and its roller 4a can advance the date disc by an additional step, ie two steps, under the effect of the force restored by the elastic arm 30 of the jumper 3 acting on the rocker by means of the pin 4b.

Lors du passage de date du 30 avril au 1er mai comme représenté sur les figures 12 à 14, le doigt entraîneur 2a mène tout d'abord le disque 1 sur au moins un demi-pas angulaire du disque des quantièmes jusqu'à ce que le sommet de la dernière dent 10b soit au moins franchi par le galet 4a comme représenté sur la figure 12. Le saut de date additionnel s'effectue dans un deuxième temps par la coopération du galet 4a et du flanc abrupt 10b* comme représenté sur les figures 13 et 14 jusqu'à ce que le bec 3a soit au moins à nouveau en contact avec la denture 1a pour permettre le repositionnement du disque 1 au quantième suivant comme représenté sur la figure 15.When changing from April 30 to May 1 as represented on the Figures 12 to 14 , the driving finger 2a first leads the disk 1 over at least one half-angular step of the date disk until the top of the last tooth 10b is at least crossed by the roller 4a as shown in FIG. figure 12 . The additional date jump is performed in a second step by the cooperation of the roller 4a and the steep side 10b * as shown on the Figures 13 and 14 until the spout 3a is at least again in contact with the teeth 1a to allow the repositioning of the disc 1 to the next date as represented on the figure 15 .

La figure 15 illustre le mécanisme de calendrier au 1er mai. Dans cette configuration, le galet 4a est dégagé de la denture 1 b et, dans le mode de réalisation, le galet 4c est toujours en appui à l'encontre de la périphérie extérieure 70a de la came 70 sous l'effet du bras élastique 40. Cette came peut être déplacée en rotation lors du mois en cours, par exemple lors du passage du premier au deuxième quantième comme représenté sur la figure 16. A cet effet, le disque 1 est doté d'une troisième denture 1 c qui se présente ici sous la forme d'une unique dent 10c disposée à la périphérie extérieure du disque 1. Celle-ci est prévue pour coopérer avec un renvoi 60a d'un mobile 60 qui est lié cinématiquement à la came 70 par l'entremise de renvois 60c, 70c. En fonctionnement par défaut du mécanisme de calendrier, la position angulaire de la came 70 est garantie aux jeux de dentures près par une périphérie extérieure 1d du disque 1 qui est prévue pour coopérer avec un organe de verrouillage angulaire 60b fonctionnant selon le principe d'une croix de Malte. Une telle liaison est similaire à celle divulguée dans les demandes de brevet EP2428856 et EP2624075 de la demanderesse.The figure 15 illustrates the calendar mechanism as of May 1st. In this configuration, the roller 4a is disengaged from the toothing 1b and, in the embodiment, the roller 4c is still bearing against the outer periphery 70a of the cam 70 under the effect of the elastic arm 40 This cam can be moved in rotation during the current month, for example during the transition from the first to the second calendar, as shown in FIG. figure 16 . For this purpose, the disc 1 is provided with a third toothing 1c which is here in the form of a single tooth 10c disposed at the outer periphery of the disc 1. This is provided to cooperate with a reference 60a of a mobile 60 which is kinematically connected to the cam 70 via referrals 60c, 70c. In the default operation of the calendar mechanism, the angular position of the cam 70 is guaranteed to the tooth sets near an outer periphery 1d of the disk 1 which is provided to cooperate with an angular locking member 60b operating according to the principle of a cross of Malta. Such a bond is similar to that disclosed in the patent applications EP2428856 and EP2624075 of the plaintiff.

La figure 16 illustre le saut de date lors du passage du 1 er au 2 mai. La rotation de la came 70 induit le déplacement de la bascule 4 sous l'effet de la restitution de son bras élastique 40 jusqu'à ce qu'elle rencontre la butée B qui est solidaire du bâti du mouvement. Dans cette configuration, le galet 4a est hors de portée de la denture 1b, et ce jusqu'à ce que la bascule 4 soit à nouveau déplacée par la came 70 au niveau de sa périphérie 70a. Ainsi, à la fin d'un mois de trente et un jours, la bascule 4 est inopérante. Seul le bec 3a du sautoir 3 est prévu pour indexer la position angulaire du disque des quantièmes, ce qui n'autorise qu'un seul et unique saut de date. A titre d'exemple, les figures 18 à 21 illustrent le mécanisme de calendrier du 28 mai au 31 mai.The figure 16 illustrates the date jump during the transition from May 1 to May 2. The rotation of the cam 70 induces the movement of the rocker 4 under the effect of the return of its elastic arm 40 until it meets the stop B which is integral with the frame of the movement. In this configuration, the roller 4a is out of reach of the toothing 1b, and until the latch 4 is again moved by the cam 70 at its periphery 70a. Thus, at the end of a month of thirty-one days, the flip-flop 4 is inoperative. Only the spout 3a of the jumper 3 is provided to index the angular position of the date disc, which allows only one and unique date jump. For example, Figures 18 to 21 illustrate the calendar mechanism from May 28 to May 31.

Dans le mode de réalisation, la denture 1 b est susceptible d'agir sur la bascule 4 dès le passage du vingt-huitième au vingt-neuvième quantième. Autrement dit, l'énergie nécessaire au saut additionnel de date est accumulée sur trois sauts du disque des quantièmes. A cet effet, on remarque que le rayon R1 du cercle centré sur l'axe de rotation du disque 1 et passant par le fond défini par deux premières dents 10 successives est supérieur au rayon R2 du cercle centré sur l'axe de rotation du disque 1 et passant par le fond défini par deux dernières dents 10 successives, comme représenté sur la figure 16. De même, on remarque que le rayon R3 du cercle centré sur l'axe de rotation du disque 1 et passant par le sommet d'une première dent 10 est supérieur au rayon R4 du cercle centré sur l'axe de rotation du disque 1 et passant par le sommet d'une deuxième dent 10, lui-même supérieur au rayon R5 du cercle centré sur l'axe de rotation du disque 1 et passant par le sommet d'une dernière dent 10, comme représenté sur la figure 15. Bien entendu, il est possible de conformer la denture 1 b de façon à accumuler l'énergie sur un nombre différent de sauts du disque des quantièmes.In the embodiment, the toothing 1b is able to act on the latch 4 from the twenty-eighth to the twenty-ninth calendar. In other words, the energy needed for the additional date jump is accumulated on three jumps of the date disc. For this purpose, it is noted that the radius R1 of the circle centered on the axis of rotation of the disk 1 and passing through the bottom defined by two first successive teeth 10 is greater than the radius R2 of the circle centered on the axis of rotation of the disk. 1 and passing through the bottom defined by two last successive teeth 10, as shown in FIG. figure 16 . Similarly, it is noted that the radius R3 of the circle centered on the axis of rotation of the disc 1 and passing through the apex of a first tooth 10 is greater than the radius R4 of the circle centered on the axis of rotation of the disc 1 and passing through the top of a second tooth 10, itself greater than the radius R5 of the circle centered on the axis of rotation of the disc 1 and passing through the apex of a last tooth 10, as shown in FIG. figure 15 . Of course, it is possible to conform the toothing 1b so as to accumulate energy on a different number of jumps of the date disk.

Ainsi, le premier dispositif d'indexation 3 est agencé pour que le disque des quantièmes soit déplacé d'un pas à chaque action de l'élément entraîneur et le deuxième dispositif d'indexation 4 est agencé pour que le disque des quantièmes soit déplacé de deux pas à chaque action de l'élément entraîneur intervenant à la fin du trentième quantième d'un mois court ou de trente jours.Thus, the first indexing device 3 is arranged so that the date disk is moved one step at each action of the driving element and the second indexing device 4 is arranged so that the date disk is moved from two steps to each action of the coaching element intervening at the end of the thirtieth day of a short month or thirty days.

Un mode d'exécution d'un procédé selon l'invention est décrit ci-après. Le procédé régit par exemple le fonctionnement d'un système de calendrier tel que décrit précédemment et comprenant donc :

  • un disque 1 des quantièmes ;
  • un premier dispositif 3 d'indexation de la position du disque des quantièmes ;
  • un deuxième dispositif 4 d'indexation de la position du disque des quantièmes ;
  • un élément d'activation et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation.
One embodiment of a method according to the invention is described below. The method governs, for example, the operation of a calendar system as described above and thus comprising:
  • a record 1 of the dates;
  • a first device 3 for indexing the position of the date disk;
  • a second device 4 for indexing the position of the date disk;
  • an element for activating and deactivating at least one of the first and second indexing devices.

Le procédé peut également régir le fonctionnement d'un mouvement ou d'une pièce d'horlogerie.The method may also govern the operation of a movement or a timepiece.

Le procédé comprend la désactivation du premier dispositif d'indexation et l'activation du deuxième dispositif d'indexation pour les passages des quantièmes d'un mois court au mois suivant.The method comprises deactivating the first indexing device and activating the second indexing device for the passage of the dates from one month to the next month.

Ainsi, les premier et deuxième dispositifs d'indexation sont sélectivement activés lors des passages d'une fin de mois au mois suivant. Ces activations sont de préférence exclusives, c'est-à-dire que lorsque l'un des dispositifs d'indexation est activé, l'autre ne l'est pas. Ainsi, le disque 1 des quantièmes est indexé par l'un ou l'autre des premier et deuxième dispositifs d'indexation selon l'état de l'élément d'activation et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation.Thus, the first and second indexing devices are selectively activated during the transition from one end of the month to the next month. These activations are preferably exclusive, that is to say that when one of the indexing devices is activated, the other is not. Thus, the date disk 1 is indexed by one or the other of the first and second indexing devices according to the state of the activation and deactivation element of at least one of the first and second devices. indexing.

De préférence, le premier dispositif d'indexation est activé par défaut, notamment au cours des mois et lors de fins de mois longs. Par contre, le deuxième dispositif d'indexation est activé uniquement à la fin des mois courts, c'est-à-dire pendant le dernier jour ou les quelques derniers jours précédents la fin des mois courts, notamment les deux derniers jours ou les trois derniers jours. En particulier, le deuxième dispositif d'indexation est de préférence activé le dernier ou les derniers jours des mois de février, avril, juin, septembre et novembre.Preferably, the first indexing device is activated by default, especially during the months and for long month ends. By cons, the second indexing device is activated only at the end of short months, that is to say during the last day or the last few days before the end of short months, including the last two days or three last days. In particular, the second indexing device is preferably activated on the last or last days of February, April, June, September and November.

Il faut bien entendu comprendre qu'un dispositif d'indexation est activé même pendant une phase transitoire de changement de date dès lors que le dispositif d'indexation indexe effectivement en position le disque des quantièmes à une première date un premier jour et que le dispositif d'indexation indexe effectivement en position le disque des quantièmes à une deuxième date un deuxième jour, le deuxième jour venant juste après le premier jour.It should of course be understood that an indexing device is activated even during a transitional period of change of date since the indexing device effectively indexes the date disk in position at a first date on a first day and that the device indexing effectively indexes the date disc to a second date on a second day, the second day just after the first day.

Le système de calendrier décrit précédemment a pour avantage majeur de proposer une bascule 4 qui est d'une part prévue pour permettre l'inhibition du sautoir 3. Aucun couple résistif généré par le sautoir 3 n'est donc à vaincre lors du saut additionnel de date. Par ailleurs, des études de la demanderesse montrent que l'énergie requise par l'accumulateur d'énergie 8, 8a, 9 pour permettre un saut de date lorsque la denture 1 b est indexée par le galet 4a n'est pas plus importante que celle pour permettre un saut de date lorsque la denture 1a est indexée par le bec 3a. Ainsi, le système de calendrier annuel décrit précédemment présente la même consommation énergétique qu'un système de calendrier simple.The timing system described above has the major advantage of providing a latch 4 which is firstly provided to allow the inhibition of the jumper 3. No resistive torque generated by the jumper 3 is to be overcome during the additional jump of dated. Moreover, studies by the applicant show that the energy required by the energy accumulator 8, 8a, 9 to allow a date jump when the toothing 1b is indexed by the roller 4a is not more important than that to allow a date jump when the toothing 1a is indexed by the spout 3a. Thus, the annual calendar system described above has the same energy consumption as a simple calendar system.

Dans le mode de réalisation du système décrit plus haut, l'élément entraîneur 2 est à saut instantané. Alternativement, celui-ci pourrait prendre la forme d'un élément entraîneur à saut semi-instantané, voire traînant. L'accumulateur d'énergie 8, 8a, 9 pourrait éventuellement prendre la forme d'un ressort prévu pour actionner directement un doigt entraîneur à l'encontre d'une dent 10a.In the embodiment of the system described above, the driving element 2 is instantaneous jump. Alternatively, it could take the form of a coach element semi-instantaneous jump or dragging. The energy accumulator 8, 8a, 9 could possibly take the form of a spring provided for directly actuating a driving finger against a tooth 10a.

Dans le mode de réalisation du système décrit plus haut, le disque 1 est doté de dentures intérieures 1a, 1b. Alternativement, les dentures 1a et 1b peuvent être des dentures extérieures. Dans cette construction alternative, le disque 1 peut par exemple présenter la forme d'une roue sur laquelle est rapportée une aiguille d'affichage de l'indication des quantièmes. Alternativement, le disque 1 peut être prévu pour actionner un mécanisme d'affichage d'une « grande date ».In the embodiment of the system described above, the disk 1 is provided with internal teeth 1a, 1b. Alternatively, the teeth 1a and 1b can be external teeth. In this alternative construction, the disc 1 may for example have the shape of a wheel on which is reported a display needle of the date indication. Alternatively, the disk 1 may be provided to operate a display mechanism of a "big date".

Dans le mode de réalisation du système décrit plus haut, la bascule 4 est directement actionnée par une came 70. Bien entendu, la bascule 4 pourrait être pilotée par l'intermédiaire d'un levier additionnel de commande. La came 70 peut être prévue pour afficher l'indication du mois et éventuellement constituer un organe d'affichage du mois. Dans le mode de réalisation, la came 70 est actionnée par le disque 1 des quantièmes dans le courant du mois. Bien entendu, la came 70 pourrait être actionnée lors du passage du trente et un au premier du mois suivant. Pour ce faire, la bascule 4 ou l'éventuel levier de commande pourrait être actionné par un dispositif de commande connexe. En alternative, l'affichage du mois pourrait par exemple être mis en oeuvre par un dispositif tel que celui divulgué par les demandes de brevet EP2428856 et EP2624075 , par le biais d'un disque d'affichage des mois lié cinématiquement à un disque d'affichage des quantièmes.In the embodiment of the system described above, the latch 4 is directly actuated by a cam 70. Of course, the latch 4 could be controlled via an additional control lever. The cam 70 may be provided to display the indication of the month and possibly be a display member of the month. In the embodiment, the cam 70 is actuated by the disk 1 of the dates in the course of the month. Of course, the cam 70 could be operated during the transition from thirty-one to the first of the following month. To do this, the rocker 4 or the possible control lever could be actuated by a related control device. Alternatively, the display of the month could for example be implemented by a device such as that disclosed by patent applications EP2428856 and EP2624075 , through a month display disk kinematically linked to a date display disc.

Le mode de réalisation du système de calendrier décrit plus haut met ainsi en oeuvre une bascule d'entraînement du calendrier qui, à la fin de chaque mois de trente jours, est prévue pour fonctionner en combinaison avec un élément entraîneur de calendrier conventionnel à saut instantané. La bascule de ce mode de réalisation se distingue par le fait qu'elle est également prévue pour permettre l'indexation angulaire du disque des quantièmes. Une telle construction permet d'aboutir à la mise en oeuvre d'un dispositif de calendrier annuel parfaitement instantané, dont la consommation énergétique est minimisée. Un calendrier perpétuel pourrait également être élaboré sur la base d'une telle construction, par le bais par exemple d'un élément d'entraînement supplémentaire du disque des quantièmes.The embodiment of the calendar system described above thus implements a calendar training flip-flop which, at the end of each thirty-day month, is intended to work in combination with a conventional instant jump calendar trainer. . The flip-flop of this embodiment is distinguished by the fact that it is also provided to allow the angular indexing of the date disc. Such a construction makes it possible to achieve the implementation of an annual calendar device perfectly instantaneous, whose energy consumption is minimized. A perpetual calendar could also be developed on the basis of such a construction, for example through an additional drive element of the date disc.

Dans le mode de réalisation décrit plus haut, la bascule d'entraînement du disque des quantièmes présente la particularité d'agir ponctuellement sur le disque des quantièmes. Elle est également prévue, dans certaines configurations du système de calendrier, pour indexer la position angulaire du disque des quantièmes et ainsi se substituer au traditionnel sautoir des quantièmes. De préférence, le couple requis pour faire déplacer le disque des quantièmes d'un pas supplémentaire est restitué par le sautoir d'indexation du disque des quantièmes. Le couple prévu pour permettre le déplacement de la bascule d'entraînement ne vient ainsi pas s'ajouter au couple nécessaire à l'indexation du disque des quantièmes. Par ailleurs, l'élément entraîneur de calendrier peut être dimensionné de manière similaire à celle d'un élément entraîneur de calendrier d'un calendrier simple, qui est prévu pour permettre le saut du disque des quantièmes sur un seul et unique pas angulaire. Une telle construction est donc particulièrement favorable en termes énergétiques et de mises au point.In the embodiment described above, the drive flip-flop of the date disk has the particularity of acting punctually on the date disc. It is also provided, in certain configurations of the calendar system, to index the angular position of the date disc and thus replace the traditional jumper dates. Preferably, the torque required to move the date disc by an additional step is restored by the indexing jumper of the date disc. The torque provided to allow the movement of the drive rocker thus does not add to the torque required for indexing the date disc. Furthermore, the calendar coaching element can be dimensioned in a manner similar to that of a calendar driver element of a single calendar, which is provided to allow the date disk to jump on a single, single angular step. Such a construction is therefore particularly favorable in terms of energy and development.

Claims (17)

Système (100) de calendrier horloger comprenant : - un mobile (1) des quantièmes ; - un premier dispositif (3) d'indexation de la position du mobile des quantièmes ; - un deuxième dispositif (4) d'indexation de la position du mobile des quantièmes ; - un élément (70, 3b, 4b, 40) d'activation et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation,
l'indexation du mobile (1) des quantièmes par l'un ou l'autre des premier et deuxième dispositifs d'indexation étant exclusive. A watch calendar system (100) comprising: a mobile (1) of the dates; a first device (3) for indexing the mobile position of the dates; a second device (4) for indexing the mobile position of the dates; an element (70, 3b, 4b, 40) for activating and deactivating at least one of the first and second indexing devices,
the indexation of the mobile (1) of the dates by one or the other of the first and second indexing devices being exclusive. Système selon la revendication précédente, caractérisé en ce que l'élément d'activation et de désactivation comprend : - un premier dispositif (70, 3b, 4b) de désactivation du premier dispositif d'indexation ; et - un deuxième dispositif (70, 40) d'activation du deuxième dispositif d'indexation,
le premier dispositif (70, 3b, 4b) de désactivation étant agencé de sorte que le premier dispositif d'indexation est désactivé et le deuxième dispositif (70, 40) d'activation étant agencé de sorte que le deuxième dispositif d'indexation est activé lors de l'entraînement du mobile des quantièmes lors des passages d'un mois court au mois suivant. System according to the preceding claim, characterized in that the activation and deactivation element comprises: a first device (70, 3b, 4b) for deactivating the first indexing device; and a second device (70, 40) for activating the second indexing device,
the first deactivation device (70, 3b, 4b) being arranged such that the first indexing device is deactivated and the second activation device (70, 40) being arranged so that the second indexing device is activated during the training of the mobile of the dates during the passage of a short month to the following month. Système selon la revendication précédente, caractérisé en ce que le premier dispositif (70, 3b, 4b) de désactivation est agencé de sorte que le premier dispositif d'indexation est désactivé et le deuxième dispositif (70, 40) d'activation est agencé de sorte que le deuxième dispositif d'indexation est activé durant un jour, voire deux jours, voire trois jours, précédents les passages d'un mois court au mois suivant et/ou en ce que le premier dispositif (70, 3b, 4b) de désactivation est agencé de sorte que le premier dispositif d'indexation est activé et le deuxième dispositif (70, 40) d'activation est agencé de sorte que le deuxième dispositif d'indexation est désactivé par défaut, soit le reste du temps.System according to the preceding claim, characterized in that the first device (70, 3b, 4b) of deactivation is arranged so that the first indexing device is deactivated and the second activation device (70, 40) is arranged to so that the second indexing device is activated during a day, or even two days, or even three days, preceding the passage of a short month to the next month and / or in that the first device (70, 3b, 4b) of deactivation is arranged so that the first indexing device is activated and the second activation device (70, 40) is arranged such that the second indexing device is deactivated by default, ie the rest of the time. Système selon l'une des revendications 2 et 3, caractérisé en ce que le système comprend un élément (2) entraîneur du mobile des quantièmes, le premier dispositif d'indexation (3) étant agencé pour que le mobile des quantièmes soit déplacé d'un pas à chaque action de l'élément entraîneur et le deuxième dispositif d'indexation (4) étant agencé pour que le mobile des quantièmes soit déplacé de deux pas à chaque action de l'élément entraîneur intervenant à la fin du trentième quantième d'un mois court.System according to one of claims 2 and 3, characterized in that the system comprises a member (2) driving the date mobile, the first indexing device (3) being arranged so that the date mobile is moved from one step at each action of the driving element and the second indexing device (4) being arranged so that the date mobile is moved two steps to each action of the driver element intervening at the end of the thirtieth day of a short month. Système selon l'une des revendications 2 à 4, caractérisé en ce que le premier dispositif (70, 3b, 4) de désactivation du premier dispositif d'indexation comprend une came (70) de commande et/ou en ce que le deuxième dispositif (70, 40) d'activation du deuxième dispositif d'indexation comprend une came (70) de commande.System according to one of Claims 2 to 4, characterized in that the first device (70, 3b, 4) for deactivating the first indexing device comprises a control cam (70) and / or in that the second device (70, 40) for activating the second indexing device comprises a control cam (70). Système selon la revendication précédente, caractérisé en ce que le deuxième dispositif d'indexation est prévu pour coopérer, notamment coopérer par contact, avec la came (70), notamment par le biais d'un galet (4c) de la bascule (4).System according to the preceding claim, characterized in that the second indexing device is provided to cooperate, in particular cooperate by contact, with the cam (70), in particular by means of a roller (4c) of the rocker (4) . Système selon l'une des revendications 2 à 6, caractérisé en ce que le premier dispositif (70, 4) de désactivation du premier dispositif d'indexation comprend une première butée (3b) prévue sur le premier dispositif d'indexation et coopérant avec une deuxième butée (4b) prévue sur le deuxième dispositif d'indexation de sorte à écarter le premier dispositif d'indexation de sa position de coopération avec le mobile des quantièmes et de sorte à soumettre le deuxième dispositif d'indexation au couple du premier ressort (30) de rappel du premier dispositif d'indexation lorsque le deuxième dispositif d'indexation coopère avec le mobile des quantièmes.System according to one of claims 2 to 6, characterized in that the first device (70, 4) for deactivating the first indexing device comprises a first stop (3b) provided on the first indexing device and cooperating with a second stop (4b) provided on the second indexing device so as to deviate the first indexing device from its position of cooperation with the mobile date and so as to subject the second indexing device to the first spring pair (30). ) of the first indexing device when the second indexing device cooperates with the date mobile. Système selon l'une des revendications précédentes, caractérisé en ce que le premier dispositif d'indexation comprend un sautoir (3), en particulier une tête (3a) de sautoir, et un premier ressort (30) de rappel.System according to one of the preceding claims, characterized in that the first indexing device comprises a jumper (3), in particular a jumper head (3a), and a first return spring (30). Système selon la revendication précédente, caractérisé en ce que le sautoir (3), notamment la tête (3a) du sautoir (3), est prévu pour coopérer avec une première denture (1a) du mobile des quantièmes sous l'effet du premier ressort (30) de rappel.System according to the preceding claim, characterized in that the jumper (3), in particular the head (3a) of the jumper (3), is provided to cooperate with a first toothing (1a) of the date mobile under the effect of the first spring (30) reminder. Système selon l'une des revendications précédentes, caractérisé en ce que le deuxième dispositif d'indexation comprend une bascule (4) pourvue d'une tête (4a), notamment un galet (4a), et un deuxième ressort de rappel (40).System according to one of the preceding claims, characterized in that the second indexing device comprises a rocker (4) provided with a head (4a), in particular a roller (4a), and a second return spring (40) . Système selon la revendication précédente, caractérisé en ce que la bascule (4), notamment la tête (4a), est agencée pour coopérer avec une deuxième denture (1b) du mobile des quantièmes sous l'effet du premier ressort (30) de rappel et/ou du deuxième ressort (40) de rappel.System according to the preceding claim, characterized in that the rocker (4), in particular the head (4a) is arranged to cooperate with a second toothing (1b) of the calendar mobile under the effect of the first spring (30) for returning and / or the second return spring (40). Système selon la revendication précédente, caractérisé en ce que la deuxième denture (1 b) est dotée d'une surface de came (10b*) permettant au galet (4a) d'entraîner le mobile des quantièmes sur deux pas du mobile des quantièmes.System according to the preceding claim, characterized in that the second toothing (1b) is provided with a cam surface (10b *) allowing the roller (4a) to drive the date mobile on two steps of the date mobile. Système selon l'une des revendications précédentes, caractérisé en ce que les premier et deuxième dispositifs d'indexation sont mobiles en rotation autour d'un même axe (P) et en ce que le couple de rappel du deuxième dispositif d'indexation autour de l'axe (P) est inférieur, en particulier cinq fois inférieur, voire dix fois inférieur, au couple de rappel du deuxième dispositif d'indexation autour de l'axe (P).System according to one of the preceding claims, characterized in that the first and second indexing devices are rotatable about a same axis (P) and in that the return torque of the second indexing device around the axis (P) is smaller, in particular five times smaller, or even ten times smaller, the restoring torque of the second indexing device around the axis (P). Système selon l'une des revendications précédentes, caractérisé en ce qu'il est du type à saut instantané.System according to one of the preceding claims, characterized in that it is of the instant jump type. Mouvement horloger (110) comprenant un système (100) selon l'une des revendications 1 à 14.Clock movement (110) comprising a system (100) according to one of claims 1 to 14. Pièce d'horlogerie (120), en particulier montre bracelet, comprenant un système (100) selon l'une des revendications 1 à 14 ou un mouvement (110) selon la revendication précédente.Timepiece (120), in particular wristwatch, comprising a system (100) according to one of claims 1 to 14 or a movement (110) according to the preceding claim. Procédé de fonctionnement d'un système (100) de calendrier horloger comprenant : - un mobile (1) des quantièmes ; - un premier dispositif d'indexation (3) de la position du mobile des quantièmes ; - un deuxième dispositif d'indexation (4) de la position du mobile des quantièmes ; - un élément d'activation et de désactivation d'au moins un des premier et deuxième dispositifs d'indexation,
le procédé comprenant la désactivation du premier dispositif d'indexation et l'activation du deuxième dispositif d'indexation pour les passages de quantièmes d'un mois court au mois suivant. A method of operating a watch calendar system (100) comprising: a mobile (1) of the dates; a first indexing device (3) for the position of the mobile of the dates; a second indexing device (4) for the position of the mobile of the dates; an activation and deactivation element of at least one of the first and second indexing devices,
the method comprising deactivating the first indexing device and activating the second indexing device for the one-month date passages runs to the next month.
EP15196611.6A 2015-11-26 2015-11-26 Timepiece calendar system Active EP3173877B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15196611.6A EP3173877B1 (en) 2015-11-26 2015-11-26 Timepiece calendar system
US15/360,867 US10437198B2 (en) 2015-11-26 2016-11-23 Timepiece calendar system
JP2016228491A JP6883977B2 (en) 2015-11-26 2016-11-25 Clock calendar system
CN201611063690.0A CN106802545B (en) 2015-11-26 2016-11-25 Clock calendar system

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EP15196611.6A EP3173877B1 (en) 2015-11-26 2015-11-26 Timepiece calendar system

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EP3173877B1 EP3173877B1 (en) 2019-10-16

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US20170153604A1 (en) 2017-06-01
JP6883977B2 (en) 2021-06-09
JP2017116533A (en) 2017-06-29
EP3173877B1 (en) 2019-10-16
CN106802545B (en) 2020-12-01
US10437198B2 (en) 2019-10-08
CN106802545A (en) 2017-06-06

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