EP2428855B1 - Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst - Google Patents

Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst Download PDF

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Publication number
EP2428855B1
EP2428855B1 EP11405311.9A EP11405311A EP2428855B1 EP 2428855 B1 EP2428855 B1 EP 2428855B1 EP 11405311 A EP11405311 A EP 11405311A EP 2428855 B1 EP2428855 B1 EP 2428855B1
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EP
European Patent Office
Prior art keywords
drive
cam
component
finger
date
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EP11405311.9A
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English (en)
French (fr)
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EP2428855A1 (de
Inventor
Denis Rudaz
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Rolex SA
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Rolex SA
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Publication of EP2428855A1 publication Critical patent/EP2428855A1/de
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/006—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices)
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • G04B19/2538—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement automatically corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to a device for displaying time periods determined for a timepiece, the device comprising a display element of said time periods, an indicator member movably mounted with respect to said display element, a driving member provided with a drive finger of the indicator member, a cam comprising a progressive arming phase and an instant disarming phase of a spring, said cam being engaged with said drive member, a mobile driving said cam in a cycle corresponding to that of said periods of time and correction means for coming into direct contact with said indicator member.
  • the invention also relates to a timepiece, including a watch, provided with such a device.
  • the instant jump date mechanisms known from the state of the art comprise rapid correction means which can act only by advancing the date, but not by retreating it. This may be suitable if the schedule is simple. The wearer of the watch will not have more than thirty calendar days to advance to set the date. On the other hand, if the calendar is annual or perpetual, and the only way to correct it is through the correction of the date, the possibility of being able to cause the date indicator by advancing or retreating the date becomes a necessity. However, if we want to proceed to the quick correction of the date when the mobile drive is engaged with the teeth of the date disc, we are in a situation of blockage if we try to advance the date, which leads to a deterioration of the mechanism if one seeks to overcome this blockage.
  • the EP 1 953 611 A1 and the CH 699 102 A2 relate to display mechanisms, in particular date with trailing date change, having the particularity of being able to correct the date bidirectionally by means of setting the time. Thus, the bidirectional date correction is done only slowly.
  • the EP 2 015 146 A1 relates to an instant jump display mechanism comprising a cam, integrated into an instant jump drive mobile, the geometry of which is provided to disengage the calendar drive finger from the teeth of the date disc.
  • This solution allows the fast correction of the date in the direction of advance of the date, but does not cancel the ranges of no correction of the date in the direction of the decline of the date.
  • this solution does not take into account the case where, following the change of date, the user would make a time setting that would bring the drive pin of the date disk into the toothing of this disc and would then prevent a discount on the fast date under penalty of breakage.
  • the EP 1 746 470 A1 discloses a date display mechanism which comprises an elastic drive finger of the date disk, mounted on an instant jump drive mobile.
  • This elastic finger makes it possible to delete all the non-fast correction zones of the date in the direction of advance of the date but does not cancel the ranges of non-fast correction of the date in the direction of the decline of the date.
  • Such a solution is also not suitable for canceling the rapid correction of the date in the direction of the decline of the date.
  • the document EP 1 586 961 A2 relates to an instant jump driving mobile provided with a unidirectional connection between the 24-hour wheel and the calendar driving finger.
  • This invention has the sole purpose of eliminating any risk of breakage when setting the time of a perpetual calendar.
  • the document makes no mention of any problem relating to the rapid correction of the calendar in one or two directions of correction, and does not describe any means of correction.
  • the document EP 1 734 419 A1 describes a design that aims to allow a time setting at any time. No mention is made of means of rapid correction of the various indicators.
  • the object of the present invention is to overcome, at least in part, the aforementioned drawbacks.
  • this invention relates to a device for displaying periods of time determined according to claim 1.
  • Claims 2 to 7 define embodiments of this device.
  • the claim 8 defines a timepiece according to the invention.
  • This device allows the correction at any time of the indicated period of time. Depending on the case, it allows this correction in the increasing display direction as well as in the decreasing display direction.
  • This display device can be used in particular with both an annual calendar and a perpetual calendar, without the need for an additional correction button. It could also be used to train a weekday indicator or a hours record for a jumping hour display, or a mobile moon phase indicator and would, at any time, quick bi-directional correction of these indications.
  • the display device of determined periods of time is related to the display of the calendar month of a timepiece and therefore corresponds to 24 hours.
  • This device comprises a date disk 1 provided with teeth 1a and positioned by the spout 2a of a jumper 2, and a display member A formed by a window provided in a dial. It also comprises a fast correction mobile 4, the toothing 4a is engaged with the teeth of the date disk 1 and can drive the date disc in both directions.
  • This fast correction mobile can be controlled directly, in known manner, by the winding stem, being driven not by the timer train, but by a more direct connection and therefore faster, hence the name “correction fast "to distinguish it from the correction through the clockwork, slower because of the gearing inherent in this cog.
  • the tooth 1a of the date disk 1 is driven, every 24 hours in this example, by a finger 3a of an instantaneous jump drive mechanism, illustrated in particular by the Figures 1A , 2 and 3 , in particular by a flank 3a 'of the finger.
  • This mechanism comprises a 24-hour wheel 5 which is engaged with the hour wheel (or barrel wheel, not shown) of the clockwork of the timepiece. Since the gear ratio is 2: 1 between the 24 hour wheel and the hour wheel, the 24 hour wheel makes a turn within 24 hours.
  • This wheel pivots freely around a segment 7c of a tubular core 7 pivotally mounted on a pivot integral with the frame of the timepiece.
  • the tubular core 7 comprises a bowl 7a in which a drive member 3 is pivotally mounted by means of a pivot 3b engaged in a circular opening 7e formed in the bottom of the bowl 7a.
  • This pivot 3b protrudes under the bowl 7a, in a circular recess 5a formed in the 24-hour wheel 5, recess in which a detent 11 is pivotally mounted by means of a pivot 11a.
  • a spring 12, bearing against one end of the detent 11, tends to keep the opposite end of this detent 11 against the side wall of the circular recess 5a.
  • This detent 11 serves as a unidirectional drive member between the 24 hour wheel 5 and the drive member 3.
  • the latter carries a drive finger 3a which protrudes on its surface to engage with the teeth of the disk or ring date 1.
  • This drive member comprises a 3d spring whose free end bears against the wall Lateral bowl 7a. This spring tends to rotate the drive member 3 in clockwise around the pivot 3b. This rotation is limited by one of the ends of an elongated opening 3c which abuts against the part 7b of the core 7.
  • the tubular core 7 further comprises a segment 7d of reduced diameter relative to the segment 7c on which the 24-hour wheel pivots and which extends below this 24-hour wheel 5.
  • An instantaneous jump cam 6 is driven on the segment 7d of the tubular core 7 and bears against the range between the segment 7d and the segment 7c.
  • the instantaneous jump cam 6 is engaged with a roller 8a carried by a rocker 8 which is pressed against the cam 6 by a spring 9.
  • This cam 6 has an armoring curve 6a, an instantaneous jump curve 6b and a curve Concave stopper 6c.
  • the intersection between the two curves 6a and 6b determines the exact moment when the rocker 8 biased by the spring 9 will make abruptly pass the roller 8a of this intersection to the stop curve 6c.
  • the device described above operates as follows: In normal operation, the 24 hour wheel 5 rotates in the direction of the arrow of the figure 4 .
  • the latching member 11 is in the position illustrated by this figure. Its opposite end to that which is engaged with the spring 12 simultaneously presses against the side wall of the clearance 5a of the 24-hour wheel 5 and against the pivot 3b of the drive member 3. Therefore, all the elements 3 , 6 and 7 are driven by the 24-hour wheel until the rocker roller 8a arrives at the junction of the curves 6a, 6b of the instantaneous jump cam 6.
  • FIG. 6 illustrates the position of the display device just after the jump of a date by the drive finger 3a. It can be seen that the pivot 3b of the drive member has separated from the detent 11 and that the drive finger 3a remains between two teeth 1a of the date disk. Thus, the flank 3a "of the finger 3a acts as a stop against the date disc, which ensures that this disc can not be moved more than one step by instant jump caused every 24 hours by the drive member 3.
  • the user of the watch tries to perform a time setting by turning the hands in the opposite direction to their usual direction.
  • the hour wheel (not shown) which drives the 24-hour wheel will turn the wheel in the direction indicated by the arrow on the figure 5 .
  • the latching member 11 switches in the opposite direction to that of the clockwise when it encounters the pivot 3b.
  • the drive member 3 and the cam 6 are not driven, the positioning of the finger 3a relative to the teeth then is not changed, and this rotation of the hands of the watch can be done without causing any problem of malfunction , blocking or breaking.
  • the fast correction mobile 4 If, in the same position of the driving finger 3a, the fast correction mobile 4 is driven manually in the direction of the arrow on the figure 6 it drives the teeth of the date disk 1 in the increasing display direction of the dates. Since the drive member 3 is disengaged from the 24-hour wheel 5 when the flank 3a "of the finger 3a is driven by the teeth 1a moving in the increasing display direction of the dates, the flip-flop 8 in engagement with the cam 6 will bring the roller 8a back into the hollow of the concave stop curve 6c of the cam 6 after each passage of a tooth 1a and will consequently bring back the finger 3a in the position of the figure 6 . Rapid correction in the increasing direction of the calendar is therefore not a problem.
  • the finger 3a has a flank 3a 'which is dedicated solely to driving a step of the date disk so as to allow the instantaneous passage of the date.
  • the finger 3a is provided with a flank 3a '"which is shaped so as to avoid any contact between one of the teeth la and the flank 3a' when the date disc moves in the display direction.
  • the disk or ring of the dates 1 carries a satellite 10 meshing with a planetary mobile P.
  • the satellite is provided with a pinion of four teeth 10a corresponding to the four months of the year with 30 days that meshes with fixed planetary gearing.
  • the tooth ratios of the satellite 10 and the planetary mobile P are chosen so that at the end of each month of 30 days, one of the teeth of the pinion 10a is in the path of an additional finger 14 secured to the tubular core 7 and therefore of the cam 6.
  • the additional finger 14 is angularly offset relative to the finger 3a of the driving member 3.
  • the finger 14 which first encounters one of the teeth 10a of the satellite 10 and moves the calendar ring one step, from 30 to 31 and then, during the same instantaneous jump of the cam 6, the finger 3a takes over and causes a tooth of the date ring 1 of a second step by passing it from 31 to 1.
  • the date ring goes from 30 to 1.
  • the finger 3a and the finger 14 are both integral with the instantaneous jump cam 6.
  • the finger 3a is integral with the driving member 3, while the finger 14 is not. If, when the components of the display mechanism are in the position illustrated by the figure 9 , it activates the delivery on the fast date in the direction of the regression of the dates, a tooth of the disk or ring of the dates 1 which moves in the direction of the arrow under the action of the fast correction mobile 4 meets the finger 3a and spreads it exactly as in the case of the figure 7 . Thus, there is no risk of blockage between the toothing 10a and the finger 14, that setting time in the anti-chronological direction is performed beforehand or not.
  • This same principle can be used for training a weekday indicator or in a jumping hour display.
  • the adaptation of the drive member to such display devices makes it possible to perform a rapid correction in both directions of correction or a simple time setting, or even both, without risk of blockage or breakage of this device.
  • correction means for coming into direct contact with the indicator member or "correction means coming into direct contact with the indicator member” means in particular means for moving the indicator member by exerting a transiting action. by the 24-hour wheel.

Claims (8)

  1. Vorrichtung zur Anzeige von festgelegten Zeiträumen für eine Uhr, wobei die Vorrichtung ein Anzeigeelement (A) der festgelegten Zeiträume umfasst, ein Zeigeorgan (1), welches beweglich im Verhältnis zu dem genannten Anzeigeelement (A) montiert ist, einen mit einem Mitnehmerstift (3a) ausgestatteten Mitnehmer (3) des Zeigeorgans (1), einen Nocken (6), umfassend eine Phase des progressiven Aufzugs und eine Phase des unmittelbaren Ablaufs einer Feder (9), wobei der Nocken (6) in Eingriff mit dem genannten Mitnehmer (3) steht, ein Antriebsdrehteil (5) des genannten Nockens (6) gemäß einem Zyklus, der dem der genannten Zeiträume entspricht und Korrekturmittel (4) für den direkten Eingriff in das genannte Zeigeorgan (1), derart gestaltet, dass eine Vorrichtung zur unidirektionellen Verbindung (3b, 11, 12) das genannte Antriebsdrehteil (5) mit dem Nocken (6) verbindet und dadurch gekennzeichnet, dass der genannte Mitnehmer (3) über elastische Rückstellmittel (3d) und Führungsmittel (3b) im Eingriff mit dem genannten Nocken (6) steht, die einen Freiheitsgrad des genannten Mitnehmers (3) definieren, um dem Zeigeorgan (1) zu ermöglichen, den Mitnehmer (3) entgegen den genannten elastischen Rückstellmitteln (3d) zu bewegen, sobald dieser eine dem Bewegen des Zeigeorgans (1) entgegenstehende Position einnimmt durch die Korrekturmittel (4), wobei die Vorrichtung es erlaubt, eine Zeitraumkorrektur in der aufsteigenden Anzeigerichtung wie auch in der absteigenden Anzeigerichtung vorzunehmen.
  2. Anzeigevorrichtung gemäß Anspruch 1, wobei der genannte Mitnehmer (3), die genannten elastischen Rückstellmittel (3d) und Führungsmittel (3b, 3c) ein einziges Organ bilden.
  3. Anzeigevorrichtung gemäß einem der Ansprüche 1 und 2, wobei die genannten Führungsmittel (3b) des genannten Mitnehmers (3) einen Zapfen (3b) umfassen, der in eine kreisförmige Öffnung (7e) eingreift, die im Boden einer formschlüssig mit dem Nocken verbundenen Vertiefung (7a) vorgesehen ist, wobei dieser Zapfen (3b) in eine kreisförmige Ausnehmung (5a) hineinragt, die in dem genannten Antriebsdrehteil (5) vorgesehen ist, wobei das genannte unidirektionelle Verbindungsmittel (3b, 11, 12) eine Rasteinrichtung (11, 12) umfasst, die fest mit dem Antriebsdrehteil (5) verbunden ist und in der genannten kreisförmigen Ausnehmung (5a) montiert ist, um nur in einer Drehrichtung des genannten Antriebsdrehteils (5) mit dem Teil des genannten, in die kreisförmige Ausnehmung (5a) hineinragenden Zapfens (3b) in Eingriff zu kommen.
  4. Anzeigevorrichtung gemäß Anspruch 3, bei welcher der Rand der genannten Vertiefung (7a), welche formschlüssig mit dem genannten Nocken (6) verbunden ist, den genannten elastischen Rückstellmitteln (3d) des genannten Mitnehmers (3) als Abstützung dient.
  5. Anzeigevorrichtung gemäß einem der vorangehenden Ansprüche, bei welcher die genannten Anzeigevorrichtung die eines Jahreskalenders ist, wobei das genannte Zeigeorgan ein Satellitendrehteil (10) trägt, welches in ein Planetendrehteil (P) eingreift und ein Ritzel (10a) trägt, dessen Zähne den Monaten des Jahres mit 30 Tagen entsprechen, wobei ein zusätzlicher Stift (14) fest mit dem genannten Nocken (6) zum sofortigen Sprung verbunden ist, der aber im Verhältnis zu dem Stift (3a) des genannten Mitnehmer (3) winklig versetzt ist, wobei das Verhältnis der Zahnung zwischen dem Satelliten (10) und dem Planetendrehteil gewählt ist, um einen der Zähne des Ritzels (10a) im Moment des augenblicklichen Umsprungs des genannten Nockens (6) in der Bahn des zusätzlichen Stifts zu platzieren.
  6. Anzeigevorrichtung gemäß einem der vorangehenden Ansprüche, bei welcher die genannten Korrekturmittel (4, 24) Schnellkorrekturmittel sind, die das Minutenrad nicht nutzen.
  7. Anzeigevorrichtung gemäß einem der vorangehenden Ansprüche, bei welcher der Mitnehmerstift (3a) eine Flanke (3a') aufweist, die zum Vorschub eines Schritts des Zeigeorgans (1) vorgesehen ist, insbesondere eine Datumsscheibe, derart, dass der augenblickliche Umsprung des Zeitraums, insbesondere des Datums, ermöglicht wird und bei welcher der Mitnehmerstift (3a) mit einer Flanke (3a'") ausgestattet ist, die so ausgebildet ist, dass jeglicher Kontakt zwischen einem der Zähne (1a) des Zeigeorgans (1) und der Flanke (3a') vermieden wird, während sich das Zeigeorgan (1) in absteigende Anzeigerichtung der Zeiträume bewegt.
  8. Zeitmessgerät, insbesondere Uhr, ausgestattet mit einer Anzeigevorrichtung gemäß einem der vorangehenden Ansprüche.
EP11405311.9A 2010-09-08 2011-09-02 Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst Active EP2428855B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11405311.9A EP2428855B1 (de) 2010-09-08 2011-09-02 Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10405168 2010-09-08
EP11405311.9A EP2428855B1 (de) 2010-09-08 2011-09-02 Uhrenteil, das eine Vorrichtung zur Anzeige von festgelegten Zeiträumen umfasst

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EP2428855A1 EP2428855A1 (de) 2012-03-14
EP2428855B1 true EP2428855B1 (de) 2019-07-03

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US (1) US8760975B2 (de)
EP (1) EP2428855B1 (de)
JP (1) JP6147465B2 (de)
CN (1) CN102402177B (de)

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CN102402177B (zh) 2016-01-20
JP2012068240A (ja) 2012-04-05
EP2428855A1 (de) 2012-03-14
CN102402177A (zh) 2012-04-04
US20120057434A1 (en) 2012-03-08
US8760975B2 (en) 2014-06-24
JP6147465B2 (ja) 2017-06-14

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